Tag Archives: vsd compressor

China OEM Industry Heavy Duty Two-Stage Compression Pm VSD Screw Air Compressor Variable Frequency 90kw, 110kw, 132kw, 160kw, 220kw, 250kw, 280kw, 315kw, 355kw, 400kw small air compressor

Product Description

Product Parameters

Model Motor Power Maximum Working Pressure Free Air Delivery Air Outlet Pipe Diameter Weight Dimensions(L*W*H)
kW hp bar(g) psig m³/min cfm kg mm
BG30APMII 22 30 7 102 4.3 152 G1-1/2″ 650 1500*1000*1350
8 116 4.1  145
10 145 3.5  124
13 189 2.7  95
BG40APMII 30 40 7 102 6.0  212 G1-1/2″ 700 1500*1000*1350
8 116 5.9  208
10 145 4.7  166
13 189 3.9  138
BG50APMII 37 50 7 102 7.1  251 G1-1/2″ 750 1500*1000*1350
8 116 6.9  244
10 145 5.8  205
13 189 5.4  191
BG60APMII 45 60 7 102 10.0  353 G2″ 1250 2100*1300*1650
8 116 9.5  335
10 145 7.8  275
13 189 6.8  240
BG75APMII 55 75 7 102 13.0  459 G2″ 1300 2100*1300*1650
8 116 12.5  441
10 145 9.2  325
13 189 7.5  265
BG100APMII 75 100 7 102 15.5  547 G2″ 1350 2100*1300*1650
8 116 15.2  537
10 145 12.0  424
13 189 10.2  360
BG125APMII 90 125 7 102 19.8  699 DN80 2700 2500*1650*1900
8 116 19.5  689
10 145 15.0  530
13 189 14.0  494
BG150APMII 110 150 7 102 24.0  848 DN80 2800 2500*1650*1900
8 116 23.0  812
10 145 19.2  678
13 189 16.0  565
BG180APMII 132 180 7 102 27.5  971 DN80 3000 2500*1650*1900
8 116 27.0  954
10 145 23.7  837
13 189 19.0  671
BG220APMII 160 220 7 102 33.0  1165 DN80 4300 3000*1900*1950
8 116 32.5  1148
10 145 27.5  971
13 189 22.5  795
BG250APMII 185 250 7 102 39.0  1377 DN80 4400 3000*1900*1950
8 116 36.0  1271
10 145 32.0  1130
13 189 27.5  971
BG270APMII 200 270 7 102 43.5  1536 DN80 5000 3600*2200*2200
8 116 41.0  1448
10 145 35.5  1254
13 189 31.5  1112
BG300APMII 220 300 7 102 51.5  1819 DN100 5500 3600*2200*2200
8 116 46.0  1624
10 145 38.5  1360
13 189 35.5  1254
BG340APMII 250 340 7 102 54.0  1907 DN100 6000 3600*2200*2200
8 116 51.0  1801
10 145 45.0  1589
13 189 38.0  1342
BG380APMII 280 380 7 102 60.0  2119 DN125 6800 4000*2300*2300
8 116 57.0  2013
10 145 50.0  1766
13 189 43.0  1519
BG420APMII 315 420 7 102 65.0  2295 DN125 7000 4000*2300*2300
8 116 62.0  2190
10 145 56.0  1978
13 189 50.5  1783
BG480APMII 355 480 7 102 75.0  2649 DN150 8500 4200*2200*2350
8 116 73.0  2578
10 145 64.0  2260
13 189 55.0  1942
BG540APMII 400 540 7 102 84.0  2966 DN150 9000 4200*2200*2350
8 116 82.0  2896
10 145 72.0  2543
13 189 61.0  2154

Company Profile

Wallboge is a high-tech enterprise and is considered 1 of the leading manufacturers of air compressor products in China. Our goal is to provide exceptional customer service coupled with quality products and energy saving solutions.

Wallboge’ s primary businesses focus in following key areas:

Integrated screw air compressor for laser cutting
Permanent magnet variable frequency screw air compressor
Two-stage compression permanent magnet variable frequency screw air compressor
Low pressure two-stage compression permanent magnet variable frequency screw air compressor
Low pressure permanent magnet variable frequency screw air compressor
Water-lubricated oil-free screw air compressor
Fixed speed screw air compressor
Oil-free screw blower
Screw vacuum pump

At Wallboge, we earn our customers’ trust and satisfaction by manufacturing the superior quality compressed air products for all industries. All of our products are designed for reliable performance, easy maintenance, and maximum energy efficiency. CHINAMFG has been exporting to more than 150 countries across the globe. 

Wallboge continuously innovates product development and management to meet customers’ demand. The powerful enterprise culture and continuous innovation make CHINAMFG improved rapidly. Wallboge’ s vision is to be a world-renowned high-end energy-saving machinery brand, with sustainable development, constantly improving its own value and sharing it with our customers and staff, committed to continuously satisfying the needs of global companies by providing a full range of industrial air compression solutions.

Certifications

Exhibitions

 

After Sales Service

1. 24/7 after sales service in different languages.
2. Online instruction for installation and commissioning.
3. On-site instruction for installation and commissioning provided by well-trained engineers or local authorized service center.
4. CHINAMFG agents and after sales service available.
 

Our Advantages

1. Proven product quality.
2. Factory direct prices.
3. On-time delivery.
4. Prompt technical support in different languages before sales, in sales and after sales.
5. Small orders accepted to check quality first.
6. OEM & ODM service available.

 

FAQ

Q1: Are you a factory or a trading company? 
A1: We are a factory. Please check our Company Profile.

Q2: What is the exact address of your factory? 
A2: No. 588, East Tonggang Road, Shaxi Town, HangZhou City, ZheJiang Province, China

Q3: What is your delivery time?
A3: For standard voltage, the delivery time is 15 working days after you confirm the order. For non-standard voltage, please contact our sales to confirm the delivery time.

Q4: What kind of payment terms do you accept?
A4: We accept T/T, L/C at sight.

Q5: How long is the warranty of your air compressor?
A5: 2 years for the whole air compressor except consumable spare parts.

Q6: How long could your air compressor be used?
A6: Generally, more than 10 years.

Q7: What is your MOQ requirement?
A7: 1 unit.

Q8: Can you offer OEM & ODM service?
A8: Yes, with a professional design team, we can offer OEM & ODM service.

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

After-sales Service: Engineers Available to Overseas Service.
Warranty: 2 Years
Lubrication Style: Lubricated
Customization:
Available

|

.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}

Shipping Cost:

Estimated freight per unit.







about shipping cost and estimated delivery time.
Payment Method:







 

Initial Payment



Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

air compressor

Can air compressors be used for shipbuilding and maritime applications?

Air compressors are widely used in shipbuilding and maritime applications for a variety of tasks and operations. The maritime industry relies on compressed air for numerous essential functions. Here’s an overview of how air compressors are employed in shipbuilding and maritime applications:

1. Pneumatic Tools and Equipment:

Air compressors are extensively used to power pneumatic tools and equipment in shipbuilding and maritime operations. Pneumatic tools such as impact wrenches, drills, grinders, sanders, and chipping hammers require compressed air to function. The versatility and power provided by compressed air make it an ideal energy source for heavy-duty tasks, maintenance, and construction activities in shipyards and onboard vessels.

2. Painting and Surface Preparation:

Air compressors play a crucial role in painting and surface preparation during shipbuilding and maintenance. Compressed air is used to power air spray guns, sandblasting equipment, and other surface preparation tools. Compressed air provides the force necessary for efficient and uniform application of paints, coatings, and protective finishes, ensuring the durability and aesthetics of ship surfaces.

3. Pneumatic Actuation and Controls:

Air compressors are employed in pneumatic actuation and control systems onboard ships. Compressed air is used to operate pneumatic valves, actuators, and control devices that regulate the flow of fluids, control propulsion systems, and manage various shipboard processes. Pneumatic control systems offer reliability and safety advantages in maritime applications.

4. Air Start Systems:

In large marine engines, air compressors are used in air start systems. Compressed air is utilized to initiate the combustion process in the engine cylinders. The compressed air is injected into the cylinders to turn the engine’s crankshaft, enabling the ignition of fuel and starting the engine. Air start systems are commonly found in ship propulsion systems and power generation plants onboard vessels.

5. Pneumatic Conveying and Material Handling:

In shipbuilding and maritime operations, compressed air is used for pneumatic conveying and material handling. Compressed air is utilized to transport bulk materials, such as cement, sand, and grain, through pipelines or hoses. Pneumatic conveying systems enable efficient and controlled transfer of materials, facilitating construction, cargo loading, and unloading processes.

6. Air Conditioning and Ventilation:

Air compressors are involved in air conditioning and ventilation systems onboard ships. Compressed air powers air conditioning units, ventilation fans, and blowers, ensuring proper air circulation, cooling, and temperature control in various ship compartments, cabins, and machinery spaces. Compressed air-driven systems contribute to the comfort, safety, and operational efficiency of maritime environments.

These are just a few examples of how air compressors are utilized in shipbuilding and maritime applications. Compressed air’s versatility, reliability, and convenience make it an indispensable energy source for various tasks and systems in the maritime industry.

air compressor

How do you maintain proper air quality in compressed air systems?

Maintaining proper air quality in compressed air systems is essential to ensure the reliability and performance of pneumatic equipment and the safety of downstream processes. Here are some key steps to maintain air quality:

1. Air Filtration:

Install appropriate air filters in the compressed air system to remove contaminants such as dust, dirt, oil, and water. Filters are typically placed at various points in the system, including the compressor intake, aftercoolers, and before point-of-use applications. Regularly inspect and replace filters to ensure their effectiveness.

2. Moisture Control:

Excessive moisture in compressed air can cause corrosion, equipment malfunction, and compromised product quality. Use moisture separators or dryers to remove moisture from the compressed air. Refrigerated dryers, desiccant dryers, or membrane dryers are commonly employed to achieve the desired level of dryness.

3. Oil Removal:

If the compressed air system utilizes oil-lubricated compressors, it is essential to incorporate proper oil removal mechanisms. This can include coalescing filters or adsorption filters to remove oil aerosols and vapors from the air. Oil-free compressors eliminate the need for oil removal.

4. Regular Maintenance:

Perform routine maintenance on the compressed air system, including inspections, cleaning, and servicing of equipment. This helps identify and address any potential issues that may affect air quality, such as leaks, clogged filters, or malfunctioning dryers.

5. Air Receiver Tank Maintenance:

Regularly drain and clean the air receiver tank to remove accumulated contaminants, including water and debris. Proper maintenance of the tank helps prevent contamination from being introduced into the compressed air system.

6. Air Quality Testing:

Periodically test the quality of the compressed air using appropriate instruments and methods. This can include measuring particle concentration, oil content, dew point, and microbial contamination. Air quality testing provides valuable information about the effectiveness of the filtration and drying processes and helps ensure compliance with industry standards.

7. Education and Training:

Educate personnel working with compressed air systems about the importance of air quality and the proper procedures for maintaining it. Provide training on the use and maintenance of filtration and drying equipment, as well as awareness of potential contaminants and their impact on downstream processes.

8. Documentation and Record-Keeping:

Maintain accurate records of maintenance activities, including filter replacements, drying system performance, and air quality test results. Documentation helps track the system’s performance over time and provides a reference for troubleshooting or compliance purposes.

By implementing these practices, compressed air systems can maintain proper air quality, minimize equipment damage, and ensure the integrity of processes that rely on compressed air.

air compressor

Can you explain the basics of air compressor terminology?

Understanding the basic terminology related to air compressors can help in better comprehension of their operation and discussions related to them. Here are some essential terms related to air compressors:

1. CFM (Cubic Feet per Minute): CFM is a unit of measurement that denotes the volumetric flow rate of compressed air. It indicates the amount of air a compressor can deliver within a minute and is a crucial factor in determining the compressor’s capacity.

2. PSI (Pounds per Square Inch): PSI is a unit of measurement used to quantify pressure. It represents the force exerted by the compressed air on a specific area. PSI is a vital specification for understanding the pressure capabilities of an air compressor and determining its suitability for various applications.

3. Duty Cycle: Duty cycle refers to the percentage of time an air compressor can operate in a given time period. It indicates the compressor’s ability to handle continuous operation without overheating or experiencing performance issues. For instance, a compressor with a 50% duty cycle can run for half the time in a given hour or cycle.

4. Horsepower (HP): Horsepower is a unit used to measure the power output of a compressor motor. It indicates the motor’s capacity to drive the compressor pump and is often used as a reference for comparing different compressor models.

5. Receiver Tank: The receiver tank, also known as an air tank, is a storage vessel that holds the compressed air delivered by the compressor. It helps in stabilizing pressure fluctuations, allowing for a more consistent supply of compressed air during peak demand periods.

6. Single-Stage vs. Two-Stage: These terms refer to the number of compression stages in a reciprocating air compressor. In a single-stage compressor, air is compressed in a single stroke of the piston, while in a two-stage compressor, it undergoes initial compression in one stage and further compression in a second stage, resulting in higher pressures.

7. Oil-Free vs. Oil-Lubricated: These terms describe the lubrication method used in air compressors. Oil-free compressors have internal components that do not require oil lubrication, making them suitable for applications where oil contamination is a concern. Oil-lubricated compressors use oil for lubrication, enhancing durability and performance but requiring regular oil changes and maintenance.

8. Pressure Switch: A pressure switch is an electrical component that automatically starts and stops the compressor motor based on the pre-set pressure levels. It helps maintain the desired pressure range in the receiver tank and protects the compressor from over-pressurization.

9. Regulator: A regulator is a device used to control and adjust the output pressure of the compressed air. It allows users to set the desired pressure level for specific applications and ensures a consistent and safe supply of compressed air.

These are some of the fundamental terms associated with air compressors. Familiarizing yourself with these terms will aid in understanding and effectively communicating about air compressors and their functionality.

China OEM Industry Heavy Duty Two-Stage Compression Pm VSD Screw Air Compressor Variable Frequency 90kw, 110kw, 132kw, 160kw, 220kw, 250kw, 280kw, 315kw, 355kw, 400kw   small air compressor China OEM Industry Heavy Duty Two-Stage Compression Pm VSD Screw Air Compressor Variable Frequency 90kw, 110kw, 132kw, 160kw, 220kw, 250kw, 280kw, 315kw, 355kw, 400kw   small air compressor
editor by CX 2024-03-27

China Best Sales 3bar Big Capacity VSD Screw Air Low Pressure Compressor with Good quality

Product Description

EPM Series permanent Magnet VSD Screw Compressor

Energy can represent over 70% of a compressor’s lifecycle costs. Generating compressed air can account for more than 40% of a plant’s total electricity bill. Most production environments have a fluctuating air demand depending on the time of day, week, or even months per year. With Adekom’s VSD technology monitoring compressed air requirements, fluctuating demand no longer equals high energy costs.

ADEKOM’s latest technology of Variable Speed Drive (VSD) CHINAMFG which adopts permanent magnet motor and controlled by frequency inverter is having the following features:VSD compressor precisely follows the varying air demand by adjusting motor rotation speed, this prevents unnecessary full load high current operation and energy consumed during unload operation of standard base load compressor;By adopting modern High Efficiency Interior Permanent Magnet (IPM) Motor Drive, CHINAMFG LM series VSD compressor is having 6-7% more energy efficient than standard VSD CHINAMFG available in the market.;Especially under low loading running, optimal control range of IPM motor plays a significant role of superior energy saving effect.Thanks to the high energy efficiency of IPM motor under wide operating range, this inverter controlled variable speed drive CHINAMFG can achieve energy saving of 35% in comparing with standard base load compressor.

Comparative Advantages

· VSD compressor precisely follows the varying air demand by adjusting motor rotation speed, this prevents unnecessary full load high current operation and energy consumed during unload operation.

· By adopting High Efficiency oil-cooled Permanent Magnet motor, this IPM VSD compressor is having 6-7% more energy efficient than standard VSD CHINAMFG available in the market.

· Especially under low loading operation, optimal control range of IPM motor plays a significant role of superior energy saving effect.

· The oil-cooled permanent magnet motor is designed with double-layer housing. Lubricating oil of compressor is circulating to cool down the motor. Low temperature operation of the motor can be ensured in full frequency range, preventing the system from demagnetizing at high temperature and greatly reducing the motor power consumption to achieve real energy saving.

· Thanks to the high efficiency IPM motor under wide operating range, our customers can save 35% on their energy costs compared to fix speed compressors.

· Oil-cooled permanent magnet motor is designed according to IP65 protection standard, this good waterproof and dustproof insulation, effectively improve services life of the motor.

Technical parameters:
 

Model Motor   power (kW)  Working pressure (bar) Capacity FAD (m3/min) Discharge air pipe connection (Inch/mm) Dimensions 
(L× W × H mm)
KB22L-3(INV) 22 3 5.5 DN50 1650×960×1650
KC30L-3(INV) 30 3 7.8 DN65 1850×1300×1850
KC37L-3(INV) 37 3 10 DN65 1850×1300×1850
KC45L-3(INV) 45 3 13 DN80 2200×1350×1850
KD55L-3(INV) 55 3 16 DN100 2790×1800×2050
KD75L-3(INV) 75 3 20.5 DN100 2790×1800×2050
KE90L-3(INV) 90 3 28 DN125 3590×2060×2300
KE110L-3(INV) 110 3 32 DN150 3590×2060×2300
KE132L-3(INV) 132 3 41 DN150 4050×2060×2300
KF160L-3(INV) 160 3 44 DN150 4050×2060×2300
KF185L-3(INV) 185 3 49.5 DN150 4250×2060×2300
KF200L-3(INV) 200 3 55.5 DN200 4250×2060×2300
KF220L-3(INV) 220 3 60.5 DN200 4550×2060×2300
KF250L-3(INV) 250 3 65.5 DN200 4550×2060×2300

ADEKOM (ASIA PACIFIC) LIMITED founded in the late 90’s is a specialized air/gas compressors and treatment system manufacturer with headquarter in Hong Kong. Its partners located in Vicenza, Italy and Germering, Germany are the world’s leading manufacturers with global recognition and experience in designing, manufacturing and marketing of rotary screw air/gas compressors for decades. QUALITY, RELIABILITY and ENERGY EFFICIENCY have been the main objectives of serving customers all over the world. CHINAMFG follows the company core of its European partners, is committed to the research & development, quality assurance and satisfaction of customers’ needs. Today, what CHINAMFG can do is not just to supply the best products to the market, but to provide THE TOTAL SOLUTION TO YOUR NEEDS!

 

  /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Lubrication Style: Lubricated
Cooling System: Air Cooling
Cylinder Position: Angular
Structure Type: Closed Type
Installation Type: Stationary Type
Type: Twin-Screw Compressor
Customization:
Available

|

air compressor

How are air compressors used in the food and beverage industry?

Air compressors play a vital role in the food and beverage industry, providing a reliable source of compressed air for various applications. Here are some common uses of air compressors in this industry:

1. Packaging and Filling:

Air compressors are extensively used in packaging and filling operations in the food and beverage industry. Compressed air is utilized to power pneumatic systems that control the movement and operation of packaging machinery, such as filling machines, capping machines, labeling equipment, and sealing devices. The precise and controlled delivery of compressed air ensures accurate and efficient packaging of products.

2. Cleaning and Sanitization:

Air compressors are employed for cleaning and sanitization purposes in food and beverage processing facilities. Compressed air is used to operate air-powered cleaning equipment, such as air blowguns, air-operated vacuum systems, and air knives. It helps remove debris, dust, and contaminants from production lines, equipment, and hard-to-reach areas. Additionally, compressed air is used for drying surfaces after cleaning and for applying sanitizing agents.

3. Cooling and Refrigeration:

In the food and beverage industry, air compressors are utilized in cooling and refrigeration systems. Compressed air is used to drive air compressors in refrigeration units, enabling the circulation of refrigerants and maintaining optimal temperatures for food storage and preservation. The controlled airflow provided by the compressors facilitates efficient cooling and refrigeration processes.

4. Aeration and Mixing:

Air compressors are used for aeration and mixing applications in the food and beverage industry. Compressed air is introduced into processes such as fermentation, dough mixing, and wastewater treatment. It helps in promoting oxygen transfer, enhancing microbial activity, and facilitating proper mixing of ingredients or substances, contributing to the desired quality and consistency of food and beverage products.

5. Pneumatic Conveying:

In food processing plants, air compressors are employed for pneumatic conveying systems. Compressed air is used to transport bulk materials such as grains, powders, and ingredients through pipes or tubes. It enables the gentle and efficient movement of materials without the need for mechanical conveyors, reducing the risk of product damage or contamination.

6. Quality Control and Testing:

Air compressors are utilized in quality control and testing processes within the food and beverage industry. Compressed air is used for leak testing of packaging materials, containers, and seals to ensure product integrity. It is also employed for spraying air or gases during sensory analysis and flavor testing.

7. Air Agitation:

In certain food and beverage production processes, air compressors are used for air agitation. Compressed air is introduced into tanks, mixing vessels, or fermentation tanks to create turbulence and promote mixing or chemical reactions. It aids in achieving consistent product quality and uniform distribution of ingredients or additives.

It is important to note that air compressors used in the food and beverage industry must meet strict hygiene and safety standards. They may require specific filtration systems, oil-free operation, and compliance with food safety regulations to prevent contamination or product spoilage.

By utilizing air compressors effectively, the food and beverage industry can benefit from improved productivity, enhanced product quality, and efficient processing operations.

air compressor

How are air compressors used in refrigeration and HVAC systems?

Air compressors play a vital role in refrigeration and HVAC (Heating, Ventilation, and Air Conditioning) systems, providing the necessary compression of refrigerant gases and facilitating the heat transfer process. Here are the key ways in which air compressors are used in refrigeration and HVAC systems:

1. Refrigerant Compression:

In refrigeration systems, air compressors are used to compress the refrigerant gas, raising its pressure and temperature. This compressed gas then moves through the system, where it undergoes phase changes and heat exchange to enable cooling or heating. The compressor is the heart of the refrigeration cycle, as it pressurizes and circulates the refrigerant.

2. Refrigeration Cycle:

The compression of refrigerant gas by the air compressor is an essential step in the refrigeration cycle. After compression, the high-pressure, high-temperature gas flows to the condenser, where it releases heat and condenses into a liquid. The liquid refrigerant then passes through an expansion valve or device, which reduces its pressure and temperature. This low-pressure, low-temperature refrigerant then enters the evaporator, absorbing heat from the surrounding environment and evaporating back into a gas. The cycle continues as the gas returns to the compressor for re-compression.

3. HVAC Cooling and Heating:

In HVAC systems, air compressors are used to facilitate cooling and heating processes. The compressor compresses the refrigerant gas, which allows it to absorb heat from the indoor environment in the cooling mode. The compressed gas releases heat in the outdoor condenser unit and then circulates back to the compressor to repeat the cycle. In the heating mode, the compressor reverses the refrigeration cycle, absorbing heat from the outdoor air or ground source and transferring it indoors.

4. Air Conditioning:

Air compressors are an integral part of air conditioning systems, which are a subset of HVAC systems. Compressed refrigerant gases are used to cool and dehumidify the air in residential, commercial, and industrial buildings. The compressor pressurizes the refrigerant, initiating the cooling cycle that removes heat from the indoor air and releases it outside.

5. Compressor Types:

Refrigeration and HVAC systems utilize different types of air compressors. Reciprocating compressors, rotary screw compressors, and scroll compressors are commonly used in these applications. The selection of the compressor type depends on factors such as system size, capacity requirements, efficiency, and application-specific considerations.

6. Energy Efficiency:

Efficient operation of air compressors is crucial for refrigeration and HVAC systems. Energy-efficient compressors help minimize power consumption and reduce operating costs. Additionally, proper compressor sizing and system design contribute to the overall energy efficiency of refrigeration and HVAC systems.

By effectively compressing refrigerant gases and facilitating the heat transfer process, air compressors enable the cooling and heating functions in refrigeration and HVAC systems, ensuring comfortable indoor environments and efficient temperature control.

air compressor

What are the different types of air compressors?

There are several different types of air compressors, each with its own unique design and operating principle. Here’s an overview of the most commonly used types:

1. Reciprocating Air Compressors: Reciprocating air compressors, also known as piston compressors, use one or more pistons driven by a crankshaft to compress air. They operate by drawing air into a cylinder, compressing it with the piston’s up-and-down motion, and discharging the compressed air into a storage tank. Reciprocating compressors are known for their high pressure capabilities and are commonly used in industrial applications.

2. Rotary Screw Air Compressors: Rotary screw air compressors utilize two interlocking screws to compress air. As the male and female screws rotate, the air is trapped between them and gradually compressed as it moves along the screw threads. These compressors are known for their continuous duty cycle, high efficiency, and quiet operation. They are widely used in industrial, commercial, and automotive applications.

3. Centrifugal Air Compressors: Centrifugal air compressors rely on the principle of centrifugal force to compress air. They use a high-speed impeller to accelerate the incoming air and then convert the kinetic energy into pressure energy. Centrifugal compressors are commonly used in large-scale industrial applications that require high volumes of compressed air.

4. Rotary Vane Air Compressors: Rotary vane air compressors employ a rotor with sliding vanes that compress the air. As the rotor rotates, the vanes slide in and out of the rotor, creating compression chambers. Air is drawn in, trapped, and compressed as the vanes move. These compressors are compact, reliable, and suitable for small to medium-sized applications.

5. Axial Flow Air Compressors: Axial flow air compressors are primarily used in specialized applications such as aircraft engines and gas turbines. They utilize a series of rotating and stationary blades to compress air in a continuous flow. Axial flow compressors are known for their high flow rates and are designed for applications that require large volumes of compressed air.

6. Scroll Air Compressors: Scroll air compressors consist of two interlocking spirals or scrolls that compress the air. One spiral remains stationary while the other orbits around it, creating a series of expanding and contracting pockets that compress the air. Scroll compressors are compact, reliable, and commonly used in applications where low noise and oil-free air are required, such as medical and dental equipment.

These are just a few examples of the different types of air compressors available. Each type has its own advantages, capabilities, and ideal applications. The choice of air compressor depends on factors such as required pressure, flow rate, duty cycle, noise level, oil-free operation, and specific application requirements.

China Best Sales 3bar Big Capacity VSD Screw Air Low Pressure Compressor   with Good qualityChina Best Sales 3bar Big Capacity VSD Screw Air Low Pressure Compressor   with Good quality
editor by CX 2024-02-28

China wholesaler Industrial Stationary Oilless/Oil Free Water Lubricated Pm VSD Rotary Screw Air Compressor with Great quality

Product Description

Product Description

100HP Screw Type Oil-Free Silent Screw Air Compressor with CE/ISO9001 Certificate
 

Model: RW-75A/W
Type: oil free water lubrication screw air compressor
Screw type: Single screw
Free air delivery: 13 m3/min
Working pressure: 8bar
Control: Touch screen PLC
Driven: direct
Cooling: by air
Starting method: Frequency conversion start
Inverter brand: Inovance
Lubricating water volume: 120 liters
Electric motor: 100hp 75KW  380v/50hz/3ph,IP55
Discharge temperature: less than ambient +8 ºC
Noise: less than 73 dB(A)
Air outlet size: G2″
Dimension: 2160*1600*1900mm
Weight: 2250kg

Product Features

1. IE4 motor, save your electricity cost, IP54, B-level temperature rise
is suitable for harsh environments such as large dust and high
temperature;
2. 100% oil free air certified by Germany TUV.
3. Coupling connection, more energy saving.
4. Stainless Steel Pipe.
5. Centrifugal Fan for better cooling effect. 
6. Optimized shock absorption pad to reduce vibration and noise.
6. Motor overload protection.
7. Dedicated control system, multi-channel pressure sensor and multi-channel temperature sensor to comprehensively detect the running state of the unit; the user interface is more friendly, the control is more accurate and reliable.

Technical parameter

Model Air Delivery (m3/min) Power (kW) Lubricating water amount (Liters) Cooling water amount T/Hour Cooling water inlet/outlet diameter Noise dB(A) Outlet diameter Dimension (mm)
8 bar 10 Bar 12.5 bar L*W*H
RW-08A/W 1.17 1.05 0.81 7.5 10 2.0 3/4″ 58 3/4″ 800*800*1200
RW-11A/W 1.65 1.42 1.10 11 26 2.5 1″ 60 3/4″ 1150*755*1340
RW-15A/W 2.43 2.17 1.80 15 26 3.5 1″ 63 3/4″ 1150*755*1340
RW-18A/W 3.13 2.82 2.05 18.5 30 4.0 1″ 65 1″ 1400*900*1450
RW-22A/W 3.52 3.21 2.78 22 30 5.0 1″ 65 1″ 1400*900*1450
RW-30A/W 5.12 4.43 3.63 30 40 7.0 1 1/2″ 67 1 1/4″ 1550*1150*1550(A) 1500*1150*1300(W)
RW-37A/W 6.30 5.33 4.77 37 40 9.0 1 1/2″ 67 1 1/4″ 1550*1150*1550(A) 1500*1150*1300(W)
RW-45A/W 7.40 6.30 5.56 45 90 10.0 1 1/2″ 68 2″ 1980*1300*1760(A) 1800*1300*1670(W)
RW-55A/W 9.60 8.55 7.67 55 120 12.0 1 1/2″ 70 2″ 1980*1300*1760(A) 1800*1300*1670(W)
RW-75A/W 13.00 11.50 9.70 75 120 18.0 1 1/2″ 73 2″ 2100*1600*1900(A) 2200*1500*1800(W)
RW-90A/W 14.80 13.90 12.60 90 180 20.0 1 1/2″ 73 2 1/2″ 2400*1600*2000(A) 2200*1500*1800(W)
RW-110A/W 19.85 16.66 15.56 110 180 24.0 2″ 78 2 1/2″ 3000*1700*2250(A) 2200*1500*1800(W)
RW-132A/W 23.10 19.97 16.90 132 240 30.0 2″ 78 2 1/2″ 3000*1700*2250(A) 2200*1500*1800(W)
RW-160W 28.11 25.45 22.52 160 240 35.0 3H 80 DN80 2700*2800*2050
RW-185W 33.97 29.00 25.21 185 300 38.0 3″ 80 DN80 2700*2800*2050
RW-200W 36.75 32.78 29.24 200 300 42.0 4″ 80 DN100 2700*2800*2050
RW-220W 39.67 36.75 29.63 220 360 47.0 4″ 80 DN100 2700*2800*2050
RW-250W 43.50 39.30 34.00 250 360 58.0 4″ 80 DN100 2700*2800*2050
Note:” A” means air cooling,” W” means water cooling.

 

Successful cases

 

Certifications

Company Profile

ZheJiang CHINAMFG Machinery Co., Ltd. is a company dedicated to the production and research and development of various gas compression equipment. The company was established in 2012 and has a total of 5 licensed technical engineers. Mainly engaged in air, nitrogen, CO2 and other special gas compression equipment and after-treat equipment. With the development in recent years, the company has established a foreign trade team in ZheJiang , and hired foreign trade consultants with 10 years of industry experience to better serve customers worldwide. With excellent quality and the support of 30 distributors worldwide, our annual sales in 2018 exceeded 5 million US dollars. We look CHINAMFG to working with you to create a better tomorrow!

 

Packaging & Shipping

Payment and delivery

FAQ

Q1. Are you trading company or manufacture ?
A: We are professional manufacture of screw air compressor of HangZhou,ZheJiang ,China. More than 18 years of experience in air compressor manufacturing.

 

Q2. How long is the delivery time ?
A: For standard voltage ,15 working days. Non-standard ,please contact our sales.

 

Q3. What’s payment term ?
A: T/T, L/C, D/P, Western Union, Paypal, Credit Card, and etc. Also we could accept USD, RMB, Euro and other currency.

 

Q4. How about your after-sales service ?
A: 1.Provide customers with installation and commissioning online instructions.
     2. Well-trained engineers available to overseas service.
     3.CHINAMFG agents and after service avaiable.arrange our engineers to help you training and installation.

 

Q5. How about your warranty?
A: One year for the whole machine and 2 years for screw air end, except consumable spare parts.

 

Q6. Do you have any certificate ?
A: Yes, per different customer’s market need ,we can offer CE ,ISO etc certificate.

 

Q7. What about the maintenance ?
A: First maintenance need to be done after 500Hours, and then every 2000-3000 hours to do the normal maintenance, and consider the actual environment.

 

Q8. How do you control quality ?
A: 1. The raw materials are strictly inspected
     2. Some key parts are imported from overseas
     3. Each compressor must pass at least 5 hours of continuous testing before leaving the factory.

 

Q9. Do you offer OEM service ?
A: Yes.Both OEM & ODM service can be accepted.

 

Q10.How long could your air compressor be used?
A: Generally, more than 10 years.

/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

After-sales Service: Online Support
Warranty: 2year
Lubrication Style: Oil-free
Customization:
Available

|

.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}

Shipping Cost:

Estimated freight per unit.







about shipping cost and estimated delivery time.
Payment Method:







 

Initial Payment



Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

air compressor

What is the role of air compressors in power generation?

Air compressors play a significant role in power generation, supporting various operations and equipment within the industry. Here are some key roles of air compressors in power generation:

1. Combustion Air Supply:

Air compressors are used to supply compressed air for the combustion process in power generation. In fossil fuel power plants, such as coal-fired or natural gas power plants, compressed air is required to deliver a steady flow of air to the burners. The compressed air helps in the efficient combustion of fuel, enhancing the overall performance and energy output of the power plant.

2. Instrumentation and Control:

Air compressors are utilized for instrumentation and control systems in power generation facilities. Compressed air is used to operate pneumatic control valves, actuators, and other pneumatic devices that regulate the flow of steam, water, and gases within the power plant. The reliable and precise control provided by compressed air ensures efficient and safe operation of various processes and equipment.

3. Cooling and Ventilation:

In power generation, air compressors are involved in cooling and ventilation applications. Compressed air is used to drive air-operated cooling fans and blowers, providing adequate airflow for cooling critical components such as generators, transformers, and power electronics. The compressed air also assists in maintaining proper ventilation in control rooms, substations, and other enclosed spaces, helping to dissipate heat and ensure a comfortable working environment.

4. Cleaning and Maintenance:

Air compressors are employed for cleaning and maintenance tasks in power generation facilities. Compressed air is utilized to blow away dust, dirt, and debris from equipment, machinery, and electrical panels. It helps in maintaining the cleanliness and optimal performance of various components, reducing the risk of equipment failure and improving overall reliability.

5. Pneumatic Tools and Equipment:

In power generation plants, air compressors provide the necessary compressed air for operating pneumatic tools and equipment. These tools include impact wrenches, pneumatic drills, grinders, and sandblasting equipment, which are utilized for installation, maintenance, and repair tasks. The high-pressure air generated by compressors enables efficient and reliable operation of these tools, enhancing productivity and reducing manual effort.

6. Nitrogen Generation:

Sometimes, air compressors are used in power generation for nitrogen generation. Compressed air is passed through a nitrogen generator system, which separates nitrogen from other components of air, producing a high-purity nitrogen gas stream. Nitrogen is commonly used in power plant applications, such as purging systems, blanketing in transformers, and generator cooling, due to its inert properties and low moisture content.

7. Start-up and Emergency Systems:

Air compressors are an integral part of start-up and emergency systems in power generation. Compressed air is utilized to power pneumatic starters for gas turbines, providing the initial rotation needed to start the turbine. In emergency situations, compressed air is also used to actuate emergency shutdown valves, safety systems, and fire suppression equipment, ensuring the safe operation and protection of the power plant.

Overall, air compressors contribute to the efficient and reliable operation of power generation facilities, supporting combustion processes, control systems, cooling, cleaning, and various other applications critical to the power generation industry.

air compressor

What is the role of air compressors in manufacturing and industrial processes?

Air compressors play a crucial role in various manufacturing and industrial processes, providing a reliable source of compressed air that powers a wide range of equipment and tools. Here are some key roles of air compressors in manufacturing and industrial settings:

1. Pneumatic Tools and Equipment:

Air compressors power a wide range of pneumatic tools and equipment used in manufacturing processes. These tools include impact wrenches, air drills, sanders, grinders, nail guns, and spray guns. Compressed air provides the necessary force and energy for these tools, enabling efficient and precise operations.

2. Automation and Control Systems:

Compressed air is used in automation and control systems within manufacturing facilities. Pneumatic actuators and valves use compressed air to control the movement of machinery and components. These systems are widely used in assembly lines, packaging operations, and material handling processes.

3. Air Blowing and Cleaning:

Compressed air is employed for blowing and cleaning applications in manufacturing and industrial processes. Air blowguns and air nozzles are used to remove debris, dust, and contaminants from surfaces, machinery, and products. Compressed air is also used for drying, cooling, and purging operations.

4. Air Separation and Gas Generation:

Air compressors are used in air separation plants to generate industrial gases such as nitrogen, oxygen, and argon. These gases are essential for various industrial processes, including metal fabrication, chemical production, and food packaging.

5. HVAC Systems:

Compressed air is utilized in heating, ventilation, and air conditioning (HVAC) systems. It powers pneumatic actuators for damper control, pneumatic controls for pressure regulation, and pneumatic valves for flow control in HVAC applications.

6. Air Compression for Storage and Transport:

Compressed air is used for storage and transport purposes in manufacturing and industrial settings. It is often used to pressurize storage tanks or containers that hold gases or liquids. Compressed air also facilitates the transfer of materials through pipelines and pneumatic conveying systems.

7. Process Instrumentation:

Compressed air is utilized in process instrumentation and control systems. It powers pneumatic instruments such as pressure gauges, flow meters, and control valves. These instruments play a critical role in monitoring and regulating various parameters in industrial processes.

8. Material Handling and Pneumatic Conveying:

In manufacturing and industrial facilities, compressed air is used for material handling and pneumatic conveying systems. It enables the movement of bulk materials such as powders, granules, and pellets through pipelines, facilitating efficient and controlled material transfer.

Overall, air compressors are vital components in manufacturing and industrial processes, providing a versatile and efficient source of power for a wide range of applications. The specific role of air compressors may vary depending on the industry, process requirements, and operational needs.

air compressor

What is the impact of tank size on air compressor performance?

The tank size of an air compressor plays a significant role in its performance and functionality. Here are the key impacts of tank size:

1. Air Storage Capacity: The primary function of the air compressor tank is to store compressed air. A larger tank size allows for greater air storage capacity. This means the compressor can build up a reserve of compressed air, which can be useful for applications that require intermittent or fluctuating air demand. Having a larger tank ensures a steady supply of compressed air during peak usage periods.

2. Run Time: The tank size affects the run time of the air compressor. A larger tank can provide longer continuous operation before the compressor motor needs to restart. This is because the compressed air in the tank can be used to meet the demand without the need for the compressor to run continuously. It reduces the frequency of motor cycling, which can improve energy efficiency and prolong the motor’s lifespan.

3. Pressure Stability: A larger tank helps maintain stable pressure during usage. When the compressor is running, it fills the tank until it reaches a specified pressure level, known as the cut-out pressure. As the air is consumed from the tank, the pressure drops to a certain level, known as the cut-in pressure, at which point the compressor restarts to refill the tank. A larger tank size results in a slower pressure drop during usage, ensuring more consistent and stable pressure for the connected tools or equipment.

4. Duty Cycle: The duty cycle refers to the amount of time an air compressor can operate within a given time period. A larger tank size can increase the duty cycle of the compressor. The compressor can run for longer periods before reaching its duty cycle limit, reducing the risk of overheating and improving overall performance.

5. Tool Compatibility: The tank size can also impact the compatibility with certain tools or equipment. Some tools, such as high-demand pneumatic tools or spray guns, require a continuous and adequate supply of compressed air. A larger tank size ensures that the compressor can meet the air demands of such tools without causing pressure drops or affecting performance.

It is important to note that while a larger tank size offers advantages in terms of air storage and performance, it also results in a larger and heavier compressor unit. Consider the intended application, available space, and portability requirements when selecting an air compressor with the appropriate tank size.

Ultimately, the optimal tank size for an air compressor depends on the specific needs of the user and the intended application. Assess the air requirements, duty cycle, and desired performance to determine the most suitable tank size for your air compressor.

China wholesaler Industrial Stationary Oilless/Oil Free Water Lubricated Pm VSD Rotary Screw Air Compressor   with Great qualityChina wholesaler Industrial Stationary Oilless/Oil Free Water Lubricated Pm VSD Rotary Screw Air Compressor   with Great quality
editor by CX 2024-01-18

China Professional Industrial Electric Energy Saving Variable Energy Frequency Adjustable Rotary Screw Air Compressor 20HP Kw Cfm Bar VSD Inverter Variable Speed with CE and ISO air compressor oil

Product Description

VSD screw air compressor

♦ Intelligent Touch-Screen Design

♦ Direct  Driver

♦ Oil Gas Separator

♦ Oil Filter

♦ Air Filter 

♦ Stainless Steel

♦ Piping Design

Product features
One shaft type structure
1. Permanent magnet motor and airend use the embedded integrated Shaft connecting structure, more compact, 100% transmission Efficiency.
2. No motor bearings, eliminating the motor bearing fault points. Different speeds, permanent magnet
 
 
motor with high efficiency, Remarkable energy-saving effect
1. At rated speed point, permanent magnet motor efficiency is higher Than ordinary motors.
2. Under low motor speed, permanent magnet motor can still keep high Motor efficiency. If the gas consumption less, it still keeps extremely High efficiency. Compared with common frequency conversion
3: Motor, the motor efficiency appears obvious gap and the air Compressor has effective energy saving
It has the integrated structure, configuration of high efficiency Permanent magnet motor, small size, saving space, easy disassembly. Deloying efficient permanent magnet variable frequency controllor, it Small volume, low noise Can change the speed of the permanent magnet motor according to The exhaust volume, it will achieve lower operation noise than ordinary Ones.
4. Permanent magnet motor has high performance NdFeB permanent Magnet, 120 º Cwithout loss of excitation, and service life of over 15 Years.
5. Stator coil adopts special inverter corona resistant enamelled wire. Insulation performance and longer service life.
6. Realizing soft start, the motor current will not exceed the full load Current during operation, and greatly reduce the impact on network Equipment, no damage to electrical equipment.OSG-EZV series permanent magnet compressor Stable operation.

Energy-saving advantages:
a. Permanent magnet motor has high performance NdFeB permanent Magnet, 120 º Cwithout loss of excitation, and service life of over 15 Years.
b. Stator coil adopts special inverter corona resistant enamelled wire. Insulation performance and longer service life.
c. Realizing soft start, the motor current will not exceed the full load Current during operation, and greatly reduce the impact on network Equipment, no damage to electrical equipment.OSG-EZV series permanent magnet compressor
Energy-saving advantages:
 
Condition energy saving
1: The permanent magnet motor remains high efficiency at low speeds, ensuring Obvious energy-saving advantages in small air volume.
2: Frequency range from 0%-100% (common conversion from 60%-100%)
3: Compared with the fixed speed compressor, energy saving 22%-40%
4: Compared with the common inverter compressor, energy saving 5%-15%
5: System volume fluctuations larger, then energy-saving effect more obviously.
6: Energy saving system of unloading (inverter):
According to the stationary air compressors in gas consumption fluctuation, it has the unloading time, then the air compressor idling but also need 45% of the Electricity, but the permanent-magnet frequency air compressor will control for Inverter, no unloading and no waste. If the air compressor units become larger,
Energy saves more. Save the wasted electric energy by pressure control bandwidth (energy saving):
Fixed compressor must set a minimum control pressure for the 1Barg band (i. E. Air Compressor limits) to avoid the impact on the unit and the power grid. Several Machines must use together with a pressure gradient, more wide pressure, while the OSG permanent-magnet variable-frequency Air compressor series is inverter control,Unlimited stop, no need to set pressure, but a pressure point on the line. The pressureOf each 0.14Barg bandwidth, the system can save energy 1%.
 
Energy saving startup (inverter):
Air compressor’ s starting current is 3-6 times of the rated current, the frequently Start will waste a lot of energy, and frequency conversion type has no frequent Starting and stopping, but soft start. The maximum current does not exceed the Rated working current, no energy waste. At the same time also greatly reduce the Impact on network equipment, and no damage to electrical equipment OSG company has obtained a compressor production license(certificate NO: XK06-571-0571), has obtained a quality systemCertificate and general machinery certificate. Product design,Manufacturing processes are strict in accordance with ISO9001: 2008 quality system standards

 

Model Pressure
(mpa)
Displacement
(m³/min)
Power
(kw)
Dimension
(mm)
Weight
(kg)
Outlet Size
VSD-0.7/7.5 0.7  1.20  7.5 840*620*850 450 G3/4″
VSD-0.8/7.5 0.8  1.10 
VSD-1.0/7.5 1.0  0.95 
VSD-1.3/7.5 1.3  0.80 
VSD-0.7/11 0.7  1.70  11 1150*750*1571 500 G1″
VSD-0.8/11 0.8  1.60 
VSD-1.0/11 1.0  1.40 
VSD-1.3/11 1.3  1.20 
VSD-0.7/15 0.7  2.40  15 1150*750*1571 550 G1″
VSD-0.8/15 0.8  2.20 
VSD-1.0/15 1.0  2.00 
VSD-1.3/15 1.3  1.70 
VSD-0.7/22 0.7  3.80  22 1300*850*1140 620 Rp1 1/4″
VSD-0.8/22 0.8  3.50 
VSD-1.0/22 1.0  3.20 
VSD-1.3/22 1.3  2.90 
VSD-0.7/37 0.7  6.40  37 1500**950*1230 1571 Rp1 1/2″
VSD-0.8/37 0.8  6.10 
VSD-1.0/37 1.0  5.70 
VSD-1.3/37 1.3  5.00 
VSD-0.7/45 0.7  8.00  45 1500**950*1230 1050 Rp1 1/2″
VSD-0.8/45 0.8  7.70 
VSD-1.0/45 1.0  7.00 
VSD-1.3/45 1.3  5.80 
VSD-0.7/55 0.7  10.50  55 1800*1250*1600 1500 Rp2″
VSD-0.8/55 0.8  9.80 
VSD-1.0/55 1.0  8.70 
VSD-1.3/55 1.3  7.60 
VSD-0.7/75 0.7  13.60  75 1950*1250*1650 1600 Rp2″
VSD-0.8/75 0.8  13.30 
VSD-1.0/75 1.0  11.60 
VSD-1.3/75 1.3  9.80 
VSD-0.7/90 0.7  16.30  90 2571*1250*1650 1800 DN65
VSD-0.8/90 0.8  16.00 
VSD-1.0/90 1.0  14.60 
VSD-1.3/90 1.3  12.30 
VSD-0.7/110 0.7  20.30  110 2460*1500*1800 4000 DN65
VSD-0.8/110 0.8  19.40 
VSD-1.0/110 1.0  17.30 
VSD-1.3/110 1.3  14.60 
VSD-0.7/132 0.7  24.00  132 2460*1500*1800 4500 DN65
VSD-0.8/132 0.8  23.00 
VSD-1.0/132 1.0  20.00 
VSD-1.3/132 1.3  18.00 
VSD-0.7/160 0.7  28.00  160 2580*1600*1980 4800 DN65
VSD-0.8/160 0.8  26.50 
VSD-1.0/160 1.0  22.50 
VSD-1.3/160 1.3  20.10 
VSD-0.7/185 0.7  32.50  185 2800*1700*2030 5200 DN65
VSD-0.8/185 0.8  31.00 
VSD-1.0/185 1.0  28.00 
VSD-1.3/185 1.3  25.10 
VSD-0.7/250 0.7  43.50  250 3400*2000*2100 6200 DN100
VSD-0.8/250 0.8  42.00 
VSD-1.0/250 1.0  38.10 
VSD-1.3/250 1.3  34.60 

 ZheJiang CZPT Gas Compressor Manufacturing Co.,Ltd. founded in 2005, is a leading high technology of machine and equipment manufacturer integrating the design, R&D, production, sales and service for air compressors & Mining Equipment. Adopting advanced technology, design concept and quality control, and we are able to provide customized products to meet customers’ OEM needs.
Our company has more than 520 employees, including 86 senior technicians and professional engineers. Our technical team provides our customers with professional air system solutions. With the total 15000 square meters of the facility, 4 modern advanced production lines are built up to ensure production capacity to meet customer requirements.
Our company has been awarded the honorary title of “ZheJiang high-tech enterprise” and our products enjoy high honors in the industry. Our company has the ISO9001 certification and was awarded the qualification certificate of equipment through military contracts in 2018.
We offer the following products and services:
1. Screw air compressor
    1.1 Oil-free screw air compressor
    1.2 Oil-injected air compressor
2. Reciprocating piston air compressor
    2.1 Piston air compressor
    2.2 Oil-free piston air compressor
    2.3 Piston medium & high-pressure air compressor
3.Portable air compressor & Mining Equipment
    3.1 Diesel or Electric portable screw air compressor
    3.2 Air Pick, Rock Drill, DTH Drilling Rig, Crawler Drilling Rig
4. Air compressor accessories
    4.1 CZPT or Adsorption compressed air drier
    4.2 Compressed air filter or tank
    4.3 Lubrication oil
We have a complete system of after-sales service and quality assurance. The company’s material purchase, inspection, manufacturing, installation, and testing are strictly in accordance with the ISO procedures. which will ensure each compressor has reliable quality and has a complete record to trace, if needed.
Q: Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery.

Q: How can we start order with your factory?
A: First, leave us an inquiry and advise which item you’re interested, and then we will contact you in 24 hours. You’re so kind if provide all detailed information, will better for us to know exactly what you need.

Q: What are your MOQ?
A: Different products have different MOQ, most is 1 set.

Q: What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We’ll show you the photos of the products and packages.

Q: How about your delivery time?
A: Generally, it will take 90 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.

Q: Do you a trade company or real factory?
A: We are 100% factory; we located in ZheJiang city, China.

After-sales Service: Online Support
Warranty: 1 Years
Lubrication Style: Lubricated
Cooling System: Air Cooling
Power Source: AC Power
Structure Type: Closed Type
Samples:
US$ 1500/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

air-compressor

Types of Air Compressors

There are many types of Air Compressors available on the market. Learn which one is right for your needs and what makes one better than another. Find out more about Single-stage models, Oil-free models, and Low-noise models. This article will explain these types and help you decide which one you need. You can also learn about Air Compressors that have single-stage compressors. If you are looking for a high-quality compressor, this article will help you choose a unit.

Air Compressors

Air compressors work by forcing atmospheric air through an inlet valve. As the piston moves down, it pulls atmospheric air into the chamber. As the piston rises, it forces the compressed air out of the cylinder through an exhaust valve. One of the most common types of air compressor is the reciprocating type. Another type of compressor is a single-stage piston. These types of compressors compress air in one stroke – equivalent to the complete rotation of the piston’s crankshaft.
These devices change electrical or mechanical energy into pressurized air. When air is compressed, its volume decreases, increasing its pressure. Air compressors typically have a minimum pressure of 30 bars. The lower pressure band is the range of air pressure. Most compressors are controlled separately, but network controls can be used to interconnect multiple compressors. This type of controller will not work for all types of compressors. There are other types of air compressors that can communicate with each other.
Compressed air has multiple applications in all kinds of industries. In agriculture, it can power pneumatically powered material handling machines for irrigation and crop spraying. Dairy equipments also use compressed air. Compressors are also used in the pharmaceutical industry for mixing tanks, packaging, and conveyor systems. Portable air compressors, which can be powered by diesel fuel, are frequently used at remote drilling sites. Portable air compressors are also commonly used in oil and gas. They can be used to remotely control valves and install reactor rods.
Whether you use an air compressor for agricultural purposes or in a manufacturing setting, there are some features to consider when choosing an air compressor for your needs. A good compressor will have a safety device. It will automatically shut off the input air and output air once sufficient compressing has been achieved. These features will help your air compressor remain efficient and protect your equipment. The safety device is an important feature of any air compressor to increase its overall efficiency.
Vane air compressors are the most common type. They are generally smaller and less powerful than reciprocating piston compressors, so you can use one of these for applications that are under 100 horsepower. The vane air compressors have low compression ratios and high capacities, but they are generally limited to low-power applications. Vane compressors tend to run hot, and they typically have a low compression ratio. It is important to choose the correct oil viscosity for your compressor.
air-compressor

Single-stage models

When comparing single-stage air compressors, look for the term “stages.” Multi-stage compressors use two stages and can handle more capacity and pressure. One stage involves pressurizing air using a piston and a lower-pressure cylinder. This compressed air is then moved to a storage tank. Single-stage models tend to be more energy-efficient than their two-stage counterparts. But if you don’t need a high-pressure cylinder, a single-stage air compressor can be the best choice.
Although single-stage air compressors produce less power, they can produce enough air to power pneumatic tools and other pneumatic equipment. These single-stage units are most useful for smaller-scale home projects and DIY projects. For more industrial purposes, a dual-stage model is the best choice. But if you’re in a hurry, a single-stage unit may be sufficient. Ultimately, it depends on what you plan to do with the air compressor.
Single-stage air compressors feature a single cylinder, one piston stroke for each revolution of pressurized air. Single-stage compressors are typically smaller and more compact, making them a good choice for smaller work environments. Their cfm capacity (cubic feet per minute) is an important indicator of operating capacity. If you plan to use multiple pneumatic tools, you will probably need a higher cfm model. Similarly, the horsepower of single-stage compressors indicates its working capacity. One horsepower moves 550 pounds per foot per minute.
Multi-stage air compressors are generally more expensive and more energy-efficient than single-stage units, but they can offer higher air flow rates. While they may be more complex, they can lower general operating expenses. If you plan on using your air compressor for industrial or commercial use, a dual-stage model might be the best choice. However, if you’re planning to use the air compressor for mass production, a single-stage model may be the best choice.
Single-stage air compressors have the same piston size and number of inlets, while dual-stage models have a smaller first piston and a much longer second piston. Both have a cooling tube in between the two pistons to reduce the air temperature before the second round of compression. The single-stage model is typically small and portable, while the double-stage air compressor is stationary. These compressors can both be stationary and large.

Low-noise models

Despite its name, low-noise models of air compressors are not all the same. The noise level of a compressor can be affected by several factors, including the power source and proximity to the machine. Reciprocal compressors are generally louder than electric ones because of their many moving parts. By contrast, rotary-screw and scroll compressors have fewer moving parts and are quieter.
The noise level of a gas-powered air compressor can be extremely high, making it unsuitable for use indoors. To combat this problem, you can choose an electric model. The noise level of a compressor is primarily caused by motor friction. The cover of a piston is also a major factor in noise, as pistons with minimal covers will produce a lot of noise. Previously, oil was required for a quiet compressor. However, this has changed thanks to the medical industry’s demand for oil-free models.
The CZPT EC28M Quiet Air Compressor is another model that features quiet operation. This air compressor makes 59dB of noise. This level is low enough to allow you to carry on normal conversations while it cycles. In addition, this compressor has an industrial oil-free pump and a 2.8 Amp direct-drive induction motor. These two features make it a great choice for businesses.
Low-noise models of air compressors are available for the construction industry. However, these compressors are not necessarily low-quality, which is why you should consider the noise level of your air tool before purchasing one. The specialists at CZPT can recommend the low-noise models for your particular application and space. Noise can distract people who work near the air compressor. That is why many businesses now opt for these models.
air-compressor

Oil-free models

A number of oil-free models of air compressors are available, but what makes them special? Oil-free compressors don’t contain oil, so they’re lubricated by grease instead. They’re a good choice if you’re working with a small compressor and don’t want to risk damaging it. On the other hand, oil-free models do generate significant amounts of heat, which can damage the compressor. Higher pressure can grind the compressor against itself, or even warp it.
A few words of knowledge can help you choose the best oil-free air compressor for your needs. For example, a compressor’s horsepower is a measurement of how powerful the motor is. Higher horsepower means a higher PSI or ACFM. You can also use the ACFM to compare the two. Scroll technology is a modern air compression system that uses a stationary and mobile spiral. This reduces the volume of air in the compressor by directing it to the center.
Purchasing an oil-free air compressor doesn’t have to be a daunting task, though. A good distributor can advise you on what type of oil-free air compressor is right for you. This way, you can save money and enjoy peace of mind while using your air compressor. And, of course, the best way to get a great deal on an air compressor is to speak to a distributor who is knowledgeable about the products available.
An oil-free air compressor is a great option for businesses that are sensitive to the contamination of air. For example, in the pharmaceutical and food industry, a minuscule oil could spoil a product or even damage production equipment. Oil-free air compressors generally have lower maintenance costs than oil-flooded models because there are fewer moving parts. Because of this, oilless air compressors require fewer maintenance and may still need to be replaced occasionally.
A few advantages of an oil-free air compressor over an oil-lubricated one include lower noise levels. Oil-free air compressors tend to be less noisy and run more quietly than oil-injected ones, but you should still carefully weigh the pros and cons before making a decision. Also, consider how much you use your air compressor before choosing a model. The pros outweigh the cons. In the end, you’ll be glad you chose an oil-free air compressor.

China Professional Industrial Electric Energy Saving Variable Energy Frequency Adjustable Rotary Screw Air Compressor 20HP Kw Cfm Bar VSD Inverter Variable Speed with CE and ISO   air compressor oilChina Professional Industrial Electric Energy Saving Variable Energy Frequency Adjustable Rotary Screw Air Compressor 20HP Kw Cfm Bar VSD Inverter Variable Speed with CE and ISO   air compressor oil
editor by CX 2023-05-19

China Custom ASME CE Hot Sale North America Europe Pm VSD All in One 4in1 Screw Air Compressor portable air compressor

Product Description

Product Description

 

Technical parameters

 

8/10 Bar

Model Max Working
Pressure
Capacity Motor Power Air Tank Capacity Connection Net
Weight
Dimension
(L*W*H)
bar psig m3/min hp kw L inch kgs mm
J7.5CTG-8 8 116 1.10  10 7.5 300 G1/2″ 400 1430*710*1470
J7.5CTG-10 10 145 0.90 
J11CTG-8 8 116 1.60  15 11 300 G1″ 470 1430*710*1470
J11CTG-10 10 145 1.40 
J15CTG-8 8 116 2.60  20 15 400 G1″ 510 1850*950*1870
J15CTG-10 10 145 2.00 
J22CTG-8 8 116 3.60  30 22 400 G1″ 555 1850*950*1870
J22CTG-10 10 145 3.00 

16 Bar

Model Max Working
Pressure
Capacity Motor Power Air Tank
Capacity
Connection Net
Weight
Dimension
(L*W*H)
bar psig m3/min hp kw L inch kgs mm
J11CTG-16 16 217 1.10  15 11 300 G1″ 470 1430*710*1470
J15CTG-16 16 217 1.50  20 15 400 G1″ 510 1850*950*1870
J22CTG-16 16 217 2.30  30 22 400 G1″ 555 1850*950*1870

FAQ

Q1: Are you a manufacturer or trading company?
A1: CZPT is professional screw air compressor factory located in HangZhou, China.

Q2: What’s your delivery time?
A2: about 10-20days after you confirm the order, other voltage pls contact with us.

Q3: How long is your air compressor warranty?
A3: One year for the whole machine since leave our factory. 

Q4: What’s the payment term?
A4:We accept T/T, LC at sight, Paypal etc.
Also we accept USD, RMB, JPY, EUR, HKD, GBP, CHF, KRW.

Q5: What’s the Min. Order requirement?
A5: 1unit

Q6: What service you can support?
A6: We offer after-sales service, custom service, production view service and one-stop service.

After-sales Service: 1 Year
Warranty: 1 Year
Lubrication Style: Lubricated
Cooling System: Air Cooling
Power Source: AC Power
Cylinder Position: Horizontal
Samples:
US$ 2573/Unit
1 Unit(Min.Order)

|
Request Sample

Customization:
Available

|

air-compressor

What to Look For When Buying an Air Compressor

An air compressor is a very useful tool that can help you complete many different types of construction jobs. This handy machine makes many tasks much easier, but not all of them are created equally. Understanding what to look for when buying an air compressor will help you make an informed decision. Here are some of the things you should look for. These include price, size, and energy efficiency. Also, make sure to consider the air compressor’s type.

Single-stage air compressors are quieter

When it comes to noise level, single-stage air compressors are the way to go. These machines have fewer moving parts and are quieter than two-stage models. Single-stage air compressors use an axial flow design and can be quieter than their dual-stage counterparts. Single-stage air compressors can run longer and at lower pressures. Single-stage air compressors can be used for light industrial applications. They have a long life expectancy, with some models lasting for over three thousand hours.
While some single-stage air compressors are quieter than two-stage air compressors, both models have noise-reduction features. One type features rubber parts, which are designed to dampen noise. Another feature makes a compressor quieter: its location near the job site. Some models feature rubber base plugs and rubber mats to reduce floor vibrations. In addition to using these features, single-stage compressors are easier to transport.
Noise levels are important when choosing an air compressor. Some machines are too noisy for comfortable work, and some businesses don’t want to expose customers to noise-generating air compressors. Other noise levels can even endanger workers’ health. Single-stage air compressors are more affordable than dual-stage compressors. They are also quieter and more powerful. But be prepared for the noise. Some single-stage air compressors are still noisy.
Compared to their two-stage counterparts, single-stage compressors are quieter when running at full capacity. However, double-stage compressors are quieter on low capacities than single-stage units. Those with variable speed are quietest at lower capacities. The difference is about 10db. If you’re concerned about the noise level, you should consider a two-stage air compressor. But if you have a small workshop, it may not be suitable for you.
One-stage air compressors are generally more efficient than two-stage air compressors. The noise from a two-stage air compressor is lower because there’s no intermediate stage. Single-stage air compressors also use a piston that rotates in a single stage, while dual-stage air compressors, also known as duplex models, are more efficient. A single-stage air compressor is quieter, but double-stage compressors are louder.
air-compressor

Two-stage air compressors are more energy efficient

Two-stage air compressors are more energy-efficient than single-stage machines. The efficiency of two-stage air compressors is increased through a combination of improved efficiency and increased longevity. These machines can store more air and have higher compression ratios. One model of a two-stage compressor can hold approximately 83 cubic feet of air at 100 PSI and 120 cubic feet at 150 PSI. A two-stage compressor is also quieter.
Two-stage air compressors are more energy-efficient because they have two pistons instead of one. These air compressors achieve a higher pressure rating and recover more quickly. This type of compressor is perfect for jobs that require high air pressure for a prolonged period of time. In addition, they can operate multiple tools simultaneously. This makes them better for commercial and industrial use. Listed below are some benefits of two-stage air compressors.
Single-stage air compressors can power tools in the garage or kitchen, but they are not as reliable for industrial applications. Single-stage compressors have larger parts that tend to experience condensation. Furthermore, single-stage compressors do not last long in continuous use and are less energy-efficient than two-stage ones. Whether you’re using the compressor for a single tradesperson, a small crew, or a large construction crew, two-stage compressors are the best choice.
Single-stage air compressors are often used in small-scale food preparation and production. Single-stage air compressors are easy to transport between locations, and can be plugged into several electrical outlets. Single-stage compressors are also ideal for high-volume food processing. A dual-stage air compressor is ideal for industrial use. In some cases, you can even move the single-stage air compressor between two-stage air compressors.
Single-stage compressors often cycle too quickly, drawing more electricity than two-stage units. A variable speed unit stays on a low speed for hours at a time. Single-stage air conditioners force you to lower your thermostat settings while single-stage air conditioners run too often. Both units are energy-efficient but they are not as energy-efficient as variable-speed compressors. The main difference is that single-stage air conditioners tend to drain the power source quicker.

Piston-driven air compressors are quieter

A piston-driven air compressor is one of the quietest types of air compressors. It is less noisy than reciprocating air compressors. A piston-driven air compressor can reach 62 decibels, while a scroll compressor is around half that volume. The two main components of a scroll air compressor are the piston and the helical screw. These air compressors are both very efficient and quiet.
Older compressors are incredibly noisy. They produce a “wumpa” noise similar to a large engine. They are also capable of producing a high-pitched whine. These noises can be deafening, especially in a small workshop. That’s why it’s essential to look for a quiet compressor. But what makes a compressor quiet? Read on to learn more about this essential tool.
Another difference between piston-driven air compressors and electric-driven air compressors is the power source. Electric air compressors produce less noise than gas-powered compressors, which use an engine. Piston-driven air compressors are also more efficient. They also generate less heat, making them an ideal choice for offices and other settings where noise is a problem. The best way to decide between the two types of air compressors is to check the manufacturer’s warranty and read the ‘Description’.
Noise reduction is the first priority of a compressor’s owner, so make sure that you have the right model. If you’re working on something sensitive, don’t place the compressor too close to a building where people might be nearby. Noise can be very disruptive to the workspace and can cause health problems. To help combat noise, you’ll need to buy a quiet air compressor. And don’t forget to consider its location: Piston-driven air compressors are quieter than their reciprocating counterparts.
Piston-driven air compressors are quiet because the piston is made of thin metal and more rubber, which absorbs the sound. Unlike reciprocating air compressors, piston-driven air compressors are more efficient than their dual-piston cousins, which are quieter and more powerful. So which type is right for you? Take a look at some of the main differences between the two. If you want a quiet compressor, make sure it meets the specifications required by the job you’re working on.
air-compressor

Oil-lubricated air compressors are more cost-effective

There are several reasons why oil-lubricated air compressors are more expensive than dry-type air compressors. First of all, oil-lubricated air compressors tend to be more reliable and quiet. Additionally, oil-lubricated air compressors require fewer parts and can last longer than dry-type air compressors. These are just a few of the many benefits of using oil-lubricated air compressors.
Oil-free air compressors have some disadvantages. They are less durable and may not be as efficient as oil-lubricated models. Additionally, because oil-lubricated air compressors use oil, they can get very noisy. While they are less expensive, they are not the best option for heavy-duty work. However, modern oil-free air compressors have soundproofing and are suitable for industrial use.
When purchasing an oil-lubricated air compressor, make sure to choose one with a tank capacity that meets your needs and your space. Larger tanks can be more expensive than small tanks, but larger units are easier to move around. Also, be sure to consider the weight and size of the portable air compressors when making your choice. If the weight is too large, you may have trouble carrying it from place to place.
Another benefit of using oil-lubricated air compressors is their reduced need for oil. These models can last up to a decade longer than oil-free counterparts. Oil-free air compressors are more affordable and can achieve the same high performance as their oil-lubricated counterparts. Many industrial applications benefit from these air compressors. So, which one is right for you? We’ve listed a few of them below.
Another benefit of choosing an oil-lubricated air compressor is the reduced cost of maintenance. This type is more durable than its oil-lubricated counterparts, which require regular oil changes to keep them running smoothly. However, it is not feasible to transport an oil-lubricated compressor, which means that you must install it permanently to keep it working efficiently. In addition, these air compressors are difficult to move and are not portable, which can limit your ability to use it in a pinch.

China Custom ASME CE Hot Sale North America Europe Pm VSD All in One 4in1 Screw Air Compressor   portable air compressorChina Custom ASME CE Hot Sale North America Europe Pm VSD All in One 4in1 Screw Air Compressor   portable air compressor
editor by CX 2023-05-16

China Two Stage Permanent Magnet VSD Screw Air Compressor manufacturer

Item Description

Air Cooled
Twin Screw Solitary Phase Air Finish – August- Brand
5 12 months Rotor Guarantee
forty five,000-50,000 Operating Hrs Engineered Life time
Skf Explorer Bearings (Largely)
Energy Conserving Micro Management Technique, Fully Automated Procedure
Effortless Routine maintenance
Low-Noise Operation, Closed Cupboard Construction, Sound Lowering Dumping Mats Created Of Fireplace-Retardant Materials
Belt Travel
Drawing For Reference Only
Efficient, Safe And Dependable Entirely Enclosed Motor Drive (Ip54, F Class / Ip55 Optional)
Vitality Conserving Air Stop 5:6 Helix
Networkable Url Amongst Compressors / Grouping With On-Line, Distant Checking And Dsc Network Functions
High Precision Weighty Duty Intake Filter 1Μm, ninety nine.9% Performance
Optimized Oil Separation Program Residual Oil Charge 1-3Mg/M3
Low Speed Air Conclude Procedure
Strong Lower Sounds Exhaust Admirer / On Best Exhaust
Computerized Control Of Functions / Upkeep Indicator
English Language Screen, Simple Procedure, Running Position At A Look, Runningreal-Time Monitoring Info
Stress And Temperature Control And Safety
Start off Up Defense ( Present Spike Totally free)
English Language Display / English Language Manual

 

US $3,000
/ SET
|
1 SET

(Min. Order)

###

Lubrication Style: Lubricated
Cooling System: Air Cooling
Power Source: AC Power
Cylinder Position: Horizontal
Structure Type: Closed Type
Installation Type: Stationary Type

###

Customization:
US $3,000
/ SET
|
1 SET

(Min. Order)

###

Lubrication Style: Lubricated
Cooling System: Air Cooling
Power Source: AC Power
Cylinder Position: Horizontal
Structure Type: Closed Type
Installation Type: Stationary Type

###

Customization:

what to see in an air compressor

If you need to buy an air compressor, you should know what to look for. The types of air compressors on the market are classified according to their CFM rating, safety devices, and pumps. There are several differences between lubricated and oil-free air compressors that you should know before buying. To better understand the difference between these types of air compressors, read on. This article will guide you through these differences.

Pump

If you are looking for a quality air compressor, you have come to the right place. A good air compressor pump will provide high pressure for anything from tires to boats and more. There are hundreds of different models to choose from, and the great thing about buying one from a Chinese manufacturer is that they have so many options. More importantly, Chinese manufacturers can customize air equipment such as air compressors at low prices.
A good quality air pump won’t break easily, but you’ll be able to use it for years. Choosing a high-quality pump will help you avoid many hassles on the road, such as unplanned downtime and installation costs. Plus, a pump from the same manufacturer as your air compressor is your best bet to ensure optimum performance. Listed below are some tips for finding a quality pump for your air compressor.
The air compressor is an important but unremarkable invention. Without them, our lives would be completely different. Without a pump, we can’t get hot water from central heating, nor can we get heat from the refrigerator. We can’t inflate bicycle tires, and we can’t refuel cars. Pumps are vital to all kinds of machines. So why is it important to choose the right product? The answer may surprise you.
Different types of pumps are used for different applications. Positive displacement pumps move a fixed volume of fluid and direct it to a drain. This design ensures constant flow at a constant speed regardless of discharge pressure. Centrifugal pumps work differently. The impeller accelerates the fluid, converting the input energy into kinetic energy. This type of pump is most commonly used in mines, air conditioning, industrial plants, and flood control.
air-compressor

safety equipment

There are several safety features you should check when using an air compressor. First, check the connection of the air filter to the air. If they come loose, parts may separate and cause injury. Another important safety feature is the shut-off valve. When working near compressed air, the shut-off valve should be within easy reach and visibility. Moving parts and other equipment must be protected with protective covers. Check safety valve and replace damaged parts.
Rupture discs are copper discs located on the air cooler. When the air pressure exceeds a certain limit, it bursts. Fusible plugs contain materials that melt at high temperatures. The compressor should have a lubricating oil pressure alarm and cut off the trip signal. If these two safety devices fail, the compressor should be stopped immediately. The rupture disc should be inspected at least weekly to ensure it does not rupture under pressure.
If the pressure level is too high, and overcurrent protection device cuts power to the motor. It also automatically shuts off the compressor when the hose ruptures or the air volume exceeds a preset level. The device should be installed on the air compressor to prevent accidents. Its job is to protect the operator from harm. If employees do not follow these safety measures, they may cause equipment damage.
To ensure safety when operating the air compressor, safety glasses and gloves should be worn. Pressurized air can cause eye injury, and crash goggles can provide a barrier to prevent this. Additionally, the self-retracting cord prevents trip hazards and reinforces excess cord. You should also keep your hands and body away from the air nozzle. This will prevent you from being sprayed with compressed air.

CFM Rating

An air compressor’s PSI and CFM ratings indicate the pressure and volume it can deliver. PSI stands for pounds per square inch and measures the force and pressure contained in one square inch of air. These two indicators are equally important when choosing an air compressor. If you need a lot of compressed air for a specific application, you will need a higher psi compressor. Likewise, if you are using compressed air in a smaller application, a low cfm compressor will not provide enough power to meet your needs.
When comparing different air compressors, be sure to pay close attention to horsepower and CFM ratings. While compressor power is essential for some tasks, it is not the most important aspect. The CFM rating of an air compressor will determine how big a project it can handle and how long it takes to charge. Make sure you understand the CFM and PSI ratings of your future compressors, as not knowing these important statistics can frustrate you and drive up costs.
In general, it is best to choose an air compressor with a CFM rating higher than the size of the air tool. This will ensure that the air compressor has enough pressure to work multiple tools efficiently at the same time. While smaller CFM ratings may be sufficient for smaller projects, larger tools such as drills require a lot of air. Therefore, the higher the CFM, the larger and more powerful the tool.
Once you understand the CFM of an air compressor, you can start looking for the right tool. You can check the CFM rating of your air compressor online by commenting below. If you’re not sure about the size of your air tool, you can always buy a second air compressor. This is a great way to double the CFM of your air compressor! You’ll have more air to do more work, and your compressor will last longer.
air-compressor

Lack of oil and lubrication

Oil-free air compressors have a smaller footprint and require less maintenance than oil-lubricated air compressors. Although oil-lubricated air compressors are more expensive and heavier than oil-free air compressors, they are also ideal for stationary use. The benefits of oil-free air compressors include greater durability and lower maintenance costs. The advantages and disadvantages of each type are discussed below.
Oil-free air compressors are generally quieter than oil-lubricated air compressors. However, you may still experience some noise while using it. To avoid this, you should choose a quiet intake compressor. However, if you work next to a noisy compressor, you should buy a muffler, an aftermarket filter that reduces compressor noise.
If you want to use the air compressor for a long time, the oil-free model is not the right choice. Its Teflon coating wears off over time, especially at extreme temperatures. Additionally, oil-free air compressors have a large number of moving parts that require regular maintenance, while oil-filled air compressors are great for those who don’t want to invest in extra parts.
Another major difference between oil-free and oil-lubricated air compressors is lubrication. Oil-lubricated air compressors require regular lubrication whereas oil-free air compressors are pre-lubricated. They have fewer parts and are cheaper. Oil-free air compressors are lighter than oil-lubricated air compressors. In addition to being more affordable, oil-free air compressors are more powerful and durable.
While oil-filled air compressors are more efficient and durable, they generate a lot of heat. However, they are also more expensive and require regular oil changes. Furthermore, they are difficult to transport. They also need to be permanently installed. These air compressors are also not portable and require a fixed location. So, consider your needs before deciding which type is best for you. When you’re choosing an air compressor for your business, be sure to shop around.
air-compressor

noise level

If you are wondering what the noise level of an air compressor is, the answer depends on your specific equipment and working environment conditions. Typically, air compressors produce 40 to 90 decibels of noise. Although the lower the decibel level, the quieter the compressor will be. Larger, more powerful air compressors produce higher noise levels than their little brothers. But no matter how big the air compressors are, it’s a good idea to wear hearing protection while working around them.
When purchasing a new air compressor, the noise level of the air compressor should be considered. While this may seem like a small problem, there are actually a lot of variations on these noisy machines. The most common type of air compressor is the reciprocating piston pump. This model uses pistons similar to an engine to rotate inside a chamber. The piston moves quickly and traps air proportional to its size. Single-piston air compressors are generally noisier than twin-piston models, also known as twin cylinders.
But even if you have the proper equipment to protect your hearing, it’s still important to know the noise level of an air compressor. Even if the noise is not immediately dangerous, it can still cause temporary or permanent hearing loss. This condition is called noise-induced hearing loss, and an air compressor with a sound level of 80 or higher can cause permanent hearing damage. You can avoid potential damage to your hearing and prevent accidents by simply paying attention to the noise level of your air compressor.
Air compressors are inherently noisy, but if you take steps to reduce their noise levels, you can minimize disruption to neighbors and co-workers. For example, installing a sound enclosure in your work area can prevent your air compressor from making as much noise as before. Depending on your workspace, you can also try installing a long air hose, which will reduce sound levels by up to 25%.
China Two Stage Permanent Magnet VSD Screw Air Compressor     manufacturer China Two Stage Permanent Magnet VSD Screw Air Compressor     manufacturer
editor by czh 2023-01-06

China Professional 3.7 Kw 5 HP 8 Bar 10 Bar 12 Bar Direct Drive Pm VSD Oil Less Scroll Type Air Compressor for Dental Hospital best air compressor

Solution Description

8~12bar Immediate-Push OIL-Totally free SCROLL AIR COMPRESSOR (PM VSD)
 

Precision air stop(2 years guarantee)
Higher precision, stiffness, and resilient square air-end guarantee max stress 12bar.
IP67 protection amount, F insulation amount, Effectiveness is enhanced 10%

PM motor & Variable frequency inverter
VSD comfortable no existing influence. Inverter adjusts motor velocity automatically, saving vitality and prolonged support daily life.

Direct push
The motor is linked with the air-stop directly, without THE belt, coupling, no want for adjustment, super low noise

Individual cooling admirer
Low discharge compressed air temperature soon after cooled by an specific supporter to make certain the low-pressure dew stage.

Purity stainless steel air tank
Stainless Metal pipe and link

Super silent
Sensible composition and superior soundproof casing to reduce the sounds to 49dB(A)

Smart PLC controller
Display procedure circumstance of air-end
Remind routine maintenance well timed

Item Parameters

 

Item Description

 

1. The orbiting scroll and mounted scroll housing are mated to produce the compression chambers.
two. The continual movement of the orbiting scroll moves atmospheric air from the intake toward to the center, compressing the air into progressively scaled-down areas.
three. The continual movement of the orbiting scroll moves atmospheric air from the intake toward to the centre, compressing the air into progressively scaled-down places.
 

 

Very hot Sale Items

 

 

 

           2~10bar Oil-injected                        7~16bar All-in-1                       Small One-period
       Screw Air Compressor                   Screw Air Compressor                 Screw Air Compressor  

 

         2~40bar 100% Oil-free                   8~12bar one hundred% Oil-free                Diesel Engine Moveable
       Screw Air Compressor                   Scroll Air Compressor                 Screw Air Compressor  

 

 

Primary Solution

 

What we can offer:

* Oil-injected Screw Air Compressor (2~sixteen bar)
* All-in-1 Screw Air Compressor with Tank, Dryer, and Filters (7~sixteen bar)
* Single-period Little Screw Air Compressor for Property use (8~ten bar)
* Drinking water-injected Oil-free Screw Air Compressor (2~forty bar)
* Oil-free of charge Scroll Air Compressor (8~twelve bar)
* Diesel&Electrical Engine Transportable Screw Air Compressor (8~30 bar)
* Air Dryer, Air tank, Filters, and other Spare components

US $2,050-3,800
/ Set
|
1 Set

(Min. Order)

###

After-sales Service: 24*7 Online Services and Video Guide
Warranty: 1 Year for The Whole Machine & 2 Years for Air End
Installation Type: Stationary Type
Lubrication Style: Oil-free
Product Name: Oil-Free Scroll Air Compressor
Working Pressure: 8~12 Bar

###

Customization:
US $2,050-3,800
/ Set
|
1 Set

(Min. Order)

###

After-sales Service: 24*7 Online Services and Video Guide
Warranty: 1 Year for The Whole Machine & 2 Years for Air End
Installation Type: Stationary Type
Lubrication Style: Oil-free
Product Name: Oil-Free Scroll Air Compressor
Working Pressure: 8~12 Bar

###

Customization:

Choosing the Right Air Compressor For Your Home

You will find that air compressors are indispensable tools for a variety of situations, including garages, home workshops, and basements. These tools can power a variety of tools, and each model is sized to suit the job at hand. Because air compressors have only one motor, they are lightweight, compact, and easy to handle. Using one air compressor to power several tools will also reduce the wear and tear on individual components. This article will introduce some important characteristics to look for when choosing the right air compressor for your home.

Positive displacement

A positive displacement compressor applies pressure to a fluid, whereas a centrifugal one does the opposite. A positive displacement compressor creates the desired pressure by trapping air and increasing its volume. Its discharge valve releases the high-pressure gas. These compressors are used in industrial applications and nuclear power plants. The difference between a positive and negative displacement compressor is that a positive displacement compressor can compress and release air at a consistent rate.
A positive displacement air compressor uses a reciprocating piston to compress air. This reduces the volume of the air in the compression chamber, and a discharge valve opens when the pressure reaches the desired level. These compressors are used in bicycle pumps and other pneumatic tools. Positive displacement air compressors have multiple inlet ports and have several configurations. Positive displacement air compressors have a single-acting and double-acting piston, and can be oil-lubricated or oil-free.
A positive displacement air compressor is different from a dynamic compressor. It draws air into the compression chambers and then releases the pressure when the valve is opened. Positive displacement compressors are common in industrial applications and are available in single-acting, double-acting, and oil-lubricated models. Large piston compressors have ventilated intermediate pieces and crossheads on gudgeon pins. Smaller models have permanently sealed crankcases with bearings.
air-compressor

Oil-free

Oil-free air compressors have some advantages over their oil-lubricated counterparts. They do not require lubrication oil because they are coated with Teflon. The material has one of the lowest coefficients of friction and is layered, so it slides past other layers with little effort. Because of this, oil-free compressors tend to be cheaper and still deliver comparable performance. Oil-free compressors are a good choice for industrial applications.
The life of an oil-free air compressor is significantly longer than an oil-lubricated counterpart. These models can operate up to 2,000 hours, four times longer than the average oil-lubed compressor. Oil-free compressors also have a significantly lower operating noise than their oil-lubricated counterparts. And because they don’t need oil changes, they are quieter. Some even last up to 2,000 hours.
An oil-free air compressor is a good choice if your application requires high levels of purity. Several applications require ultra-pure air, and even a drop of oil can cause product spoilage or damage to production equipment. In addition to the health risks, an oil-free air compressor reduces the costs associated with oil contamination and minimizes leaks. It also eliminates the need for oil collection, disposal, and treatment.
A typical oil-free air compressor is very efficient, requiring only about 18% of the full load horsepower. However, oil-free compressors have a higher risk of premature failure and are not recommended for large-scale industrial applications. They may also use up to 18% of the compressor’s full capacity. They may sound appealing, but you must make sure you understand the benefits of an oil-free air compressor before choosing one for your industrial applications.

Single-stage

A single-stage air compressor is designed to provide the power for a single pneumatic tool or device. These machines are generally smaller than two-stage compressors and produce less heat and energy. These machines aren’t designed for heavy-duty industries, but they are still highly effective for a variety of applications, including auto shops, gas stations, and various manufacturing plants. They can also be used in borewells, as they are suitable for small spaces with low air flow requirements.
A single-stage air compressor has one cylinder and two valves – the inlet and the delivery valves. Both of these valves function mechanically, with the inlet valve controlling torque and the delivery one controlling air pressure. Generally, single-stage compressors are powered by a gas engine, but there are also electric models available. The single-stage air compressor is the most common type of air compressor. It has a single cylinder, one piston, and one air cylinder.
The single-stage air compressors are used for small projects or personal use. A two-stage air compressor is more effective for industrial projects. Its longer air end life makes it more efficient. It is also more efficient for use in the automotive industry, where the engine has many cylinders. In general, single-stage compressors require a higher power level. The single-stage model is ideal for small projects, while a two-stage one is suitable for larger-scale arsenals.
air-compressor

CFM

The cubic foot-per-minute (CFM) of an air compressor is the output of the machine. In order to calculate the CFM level, start by looking at the compressor’s specifications. You should know how many cubic feet the unit can hold and how many pounds per square inch it can compress. Once you have these information, you can calculate the CFM. Now you can use these numbers to select an appropriate air compressor for your needs.
The most common way to increase the CFM of an air compressor is to turn the regulator down. By turning the dial down, the air compressor will produce more than 10 CFM. You can also try connecting two output valves. Make sure that the settings are adjusted properly before you begin. This will ensure that your air compressor is functioning at its maximum efficiency and lifespan. To increase the CFM of your air compressor, first check that your regulator is calibrated for the desired pressure level.
To calculate the CFM of an air compressor, first determine the tank volume of the machine. Then, multiply this volume by the time it takes to fill the tank. Then, divide the result by 60 seconds to calculate the CFM. Once you know how much air your machine can hold, you can choose a suitable air compressor. If you’re working in a confined area, you should buy a tool with a large tank.

PSI

The PSI of an air compressor is the pressure that it can output. A typical air compressor has a gauge connected to the airline at the bottom, next to it, or between the two. The gauge tells the actual pressure of the air compressor, while the cut-out pressure is determined by the manufacturer. The manufacturer recommends that you set the cut-out pressure twenty to forty PSI higher than the factory recommended pressure. If you want to set the pressure for your nail gun, you can use the cut-in and cut-out pressures on your compressor, and the tank won’t exceed this range.
The PSI of an air compressor measures the force that it can deliver, which is often in pounds per square inch. For most air tools, you need at least forty to 90 psi. In general, reciprocating air compressors work on an on/off basis. This relationship is known as the duty cycle. All air compressors are rated for a particular duty cycle, such as fifty percent on and twenty-five percent off.
The Psig of an air compressor is not free, as many people believe. The PSI of an air compressor is not free, but it is essential to maintain it for safe operations. If you’re having trouble maintaining a consistent pressure, consider turning down the PSI of your compressor by 2 psig. This will determine the critical pressure for the machine. You’ll also increase the amount of energy in the system by one percent.
air-compressor

Power source

The power source for an air compressor is crucial in its operation. Without the correct voltage and amperage, air compressors will not function properly. The power source must be close to the compressor so that it can plug into an electrical outlet. If it is too far from the outlet, the compressor may not be able to build enough pressure. When this happens, the fuse inside the air compressor will turn off to protect the user. The power source should be a safe distance from the compressor.
Most manufacturers do not specify the power source for an air compressor. Depending on the horsepower, the compressor will require approximately four amps of power. A one-horsepower compressor would draw about twelve amps. If it were powered by a typical 120-volt household supply, its motor would exceed the 15-amp breaker capacity. A larger air compressor, however, will require a separate 15-amp power source, making it impossible to use it with this type of power source.
The power source for an air compressor is typically electrical alternating current (AC) that is equivalent to the voltage on a standard wall outlet. A three-phase air compressor, on the other hand, requires a special AC supply with three electrical offset pulses. Regardless of the type of air compressor, the power source must be compatible with the incoming power service. One of the most common problems when attempting to connect an air compressor to an AC power source is undersized wire. This results in low voltage and high amperes, tripping of over-load relays and blown fuses.

China Professional 3.7 Kw 5 HP 8 Bar 10 Bar 12 Bar Direct Drive Pm VSD Oil Less Scroll Type Air Compressor for Dental Hospital     best air compressorChina Professional 3.7 Kw 5 HP 8 Bar 10 Bar 12 Bar Direct Drive Pm VSD Oil Less Scroll Type Air Compressor for Dental Hospital     best air compressor
editor by czh 2022-12-25

China factory Permanent Magnetic VSD Inverter Industrial Rotary Screw Air Compressor with Low Noise near me shop

Product Description

Long term Magnetic VSD Inverter Industrial Rotary Screw Air Compressor  with Minimal Sounds

one. Photographs for  GREAT  PM VSD screw air compressor:

2. Items introductions &advantages for seven.5-630kw oil injected PM VSD ( permanent maget variable speed driven) Rotary Screw Air Compressor:

 Motor:

1) .Oil cooling substantial performance long term magnet motor

two). Insulation grade F, protection quality IP54,adapt to the high dusty atmosphere. IE4 Effectiveness motor effectiveness.

three).Max.RPM 1500,reduced noise, higher efficiency, better daily life-span.

four).Break up design and style, easy maintenance. Easy for set up and support.

5).Without having gearbox layout, motor is linked immediately with rotor through the coupling, substantial transmission performance.

six).Low temperature rise, unbiased cooling fan design and style, so that the motor cooling is not impacted by the pace regulation.

7).With PT100 temperature security switch to steer clear of higher temperature degaussing.

8).Big pace selection, large precision and huge adjustment variety.

9).Top quality Magnetic substance resist more than 180ºC temp

10).Fantastic CZPT Saving, conserve up to a lot more than 30-forty%

 Inverter :
1).  dual variable frequency inverter
two).Twin variable frequency program: everlasting magnet motor variable frequency + cooling fan motor variable frequency , one-piece built-in structure, excessive CZPT preserving.
3).Continual pressure air offer: the source pressure is specifically controlled below .01 MPa.
three).Continuous temperature air source: continuous temperature established at 85 ºC, with the ideal lubrication
4).Removes vacant load, lowers the vacant load CZPT use by 45%.
Eradicate overpressure
five).Massive Frequency selection thirty%~ one hundred%
6).Vector air supply, correct calculation, guarantee that the air circulation of Compressor is steady with the demand of the consumer program.

 Intelligent handle method :

one).Immediate show: discharge temperature, discharge strain, operating frequency, recent, electricity, running point out, etc.
2).Genuine-time monitoring of discharge temperature, discharge strain, current, frequency fluctuation.
3).Optional the World wide web of factors module, external cloud intelligent management method, comprehend the functions this kind of as distant begin-stop and remote on-line monitorin

3. Main components details for Wonderful PM VSD screw air compressor : 

Advantages:
The long term magnet motor continues to be large efficiency at reduced speeds, making sure clear power-saving advantages in little air quantity
-Frequency selection from %-one hundred%(frequent conversion from 60%-one hundred%)
-Compared with the set pace compressor, CZPT preserving 22%-40%
-In comparison with the common inverter compressor, CZPT conserving 5%-fifteen%
System volume fluctuations more substantial, the strength-saving impact a lot more clear.

4.Technical Parameters for  7.5-630kw oil injected PM VSD ( permanent maget variable velocity driven) Rotary Screw Air Compressor:
 

five.Application :

6.Certification :

7. Packing:

eight. Manufacturing unit introduction :

 

nine. Our exhibition:

ten. Our Support
10.1  After-sale Support
• Any queries or requests ahead of, for the duration of or after product sales, we would like to support you any time and will locate you the ideal solution in 24 hours.
• Warranty: One particular calendar year for the whole equipment 2 yr for air finish , and spare parts will be presented with ideal value.
• More than board engineer support is obtainable.

10.2  Special Tailored Services
  1) Full OEM
• Quantity: at minimum 5 pcs
• In this prepare, we will do all the adjustments (Coloration, name plate and symbol) as your require, and will not cost added price.
  2) 50 % OEM
• Quantity: no limit
• Underneath this plan, we can make the necessary alteration (title plate and symbol) but we will demand some further charge for the identify plate, as the name plate factory has the MOQ.
 3) Brand OEM
  • Amount: no restrict
• Only the brand will be changed to yours, and no further charge will be billed.

ten.3  Overseas Engineer Services
• We are obtainable to send our engineer for aboard service. Only require you to arrange the accommodation, transportation and translator. Added cost for each and every will be talked about based mostly on local price level.

11. FAQ:

Q1: Are you manufacturing unit or trade company?
A1: We are manufacturing unit.
Q2: What the just address of your factory?
A2: Our business is found in the West of the cross of Yijing highway and Siwei street, Xihu (West Lake) Dis.li Financial Growth Region, ZheJiang , 300300, China

Q3: Guarantee terms of your machine?
A3: A single yr for complete machine 2 yr for air finish ,  and specialized assist according to your needs.

Q4: Will you give some spare elements of the equipment?
A4: Yes, of program.we have our very own spare parts companys 

Q5: What about item package deal?
A5: We pack our merchandise strictly with common seaworthy case.

Q6: What about the voltage of items?
A6: voltage  can be customized according to your equirement.

Q7: Which payment term can you settle for?
A7: TT or LC 

Q8: How extended will you take to arrange production?
A8: 380V 50HZ we can shipping and delivery the products within 7-fifteen times. Other electricity or other shade we will shipping in 15-20 times.

Q9: Can you take OEM orders?
A9: Yes, with expert design and style team, OEM orders are highly welcome.

Q10: Which trade time period can you take?
A10: Obtainable trade terms: FOB, CIF, CFR, EXW, CPT, and many others.

twelve. Contact:

ZheJiang Excellent Air Compressor Co., LTD.
Long lasting Magnetic Frequency Conversion Screw Air Compressor (ZheJiang ) CO., LTD.
Tel: -22-24997881-818      
  
  

  

 

Picking an Air Compressor

Thinking about a new Air Compressor? Right here are some tips to make the determination simpler. Understand the professionals and cons of each and every variety, like the distinctions between oil-injected and oil-free designs, solitary phase and positive displacement. In addition, discover far more about the distinct systems that are offered for your air compressor. It is critical to pick an proper unit for the type of work you do. Listed here are some of the ideal compressors offered these days.
air-compressor

Positive displacement

There are many diverse sorts of air compressors, but most are constructive displacement air compressors. They use a rotary or reciprocating element to compress air. The reciprocating part compresses air by minimizing the volume of the chamber. Constructive displacement compressors are utilised in bicycle pumps, chemical plants, and fridges. Constructive displacement air compressors use several inlet ports. Despite the different sorts, the principle of procedure stays the same.
One more type of positive displacement air compressor is a reciprocating piston. The piston within a cylinder moves up and down, leading to the compressed air to fill the higher component of the cylinder. These air compressors are utilised in a variety of diverse apps, which includes blowing bottles and fuel pipelines. These air compressors can be drinking water-cooled, lubricated, or non-lubricated. Different sorts have distinct capacities and air pressures.
A positive displacement flowmeter employs a rotating chamber that divides steady fluid into discrete parts. The variety of occasions the chamber is filled and discharged can be used to estimate the stream price. The rotation velocity of the measuring chamber is immediately proportional to the stream charge. The disadvantages of this type of constructive displacement flowmeter are that it is inclined to jamming. If the fluid contains particles, it may be as well thick for the meter to determine flow fee.
A unfavorable displacement air compressor was invented in 1860 and is the oldest kind of compressor. It employs two lobes positioned in a circular cavity. A single rotor is linked to an motor, even though the other pushes the other 1 to spin in the reverse course. Negative displacement compressors are lower-routine maintenance, but they do require much more precision. They are typically utilised in nuclear electricity plants simply because they use the kinetic power of the rotating elements to produce strain.

Oil-injected

Oil-flooded or oil-injected air compressors use liquid to seal and lubricate transferring areas and minimize noise. Oil-flooded air compressors are effective for a assortment of pneumatic resources and accessories. Some designs have a thermostat that controls the amount of oil utilised for the duration of procedure. Other varieties of oil-flooded air compressors are piston-kind designs. Below is an overview of the fundamental differences among these two air compressors.
An oil-injected air compressor is a lot more costly than a comparable oil-free of charge air compressor, but its advantages far outweigh its drawbacks. An oil-free of charge compressor is quieter, demands less routine maintenance, and has a decrease price tag tag. It also delivers a greater diploma of air purity. A variety of other positive aspects might also make this type of air compressor the far better selection for many industrial configurations. If you require a substantial-force compressor in a tight place, take into account the positive aspects of an oil-free of charge program.
Oil-injected air compressors demand a lot more routine maintenance than oil-cost-free models. Each kinds of air compressors offer comparable capability and ISO 8573-1 Class and 1-2 purity, but the oil-injected techniques call for a lot more air-treatment components. They need an activated carbon filter and coalescing filter. Oil-injected air compressors will very likely remain the standard for industrial air compressors for a lot of years. And considering that their overall performance and efficiency are comparable, it could be worthwhile to make investments in some position-of-use air therapy.
Both types of air compressors have their rewards. Nevertheless, choosing between oil-free of charge and oil-injected air compressors is not as straightforward as you may feel. Whichever type you pick, make certain it will satisfy your needs. The rewards of an oil-injected air compressor outweigh their drawbacks. In common, oil-injected air compressors are far more durable and can last longer than oil-free versions. The only downside is their increased price.
air-compressor

Oil-totally free

When picking an air compressor for your organization, you are going to need to have to decide what it is going to be utilized for. For example, if you happen to be preparing on utilizing it to electrical power several personnel, you need to take into account receiving an oil-totally free compressor. An oil-totally free compressor, on the other hand, is quieter and can electricity many personnel at a time. If you’re a contractor, the most essential thing to consider will be the sort of work you are going to be undertaking. Increased air force indicates higher demand for air circulation, and more stress can hurt the equipment.
Oil-free compressed air is qualified 100% totally free of contaminants. Technically, oil-free of charge air is not completely totally free of overseas subject, but it is very reduced inside of the boundaries of useful air quality. A technically oil-totally free air compressor may well have a total oil stage of .003 mg/m3. If you might be in need of a technically oil-free air compressor, you should put in an air treatment method products after your existing compressor.
If you are in the production sector, a very good oil-free air compressor will conserve you funds and minimize your environmental affect. Many of these resources require air compressors to perform, and this tools will make certain that they will not get contaminated. To get the best oil-totally free compressor, you should find out a bit about the diverse phrases utilised by compressor repair firms. ACFM, for case in point, is the amount of air that can be compressed in 1 moment at rated conditions.
When you might be employing an oil-free air compressor, you need to know that the overall existence of the system will be a lot shorter. When compared to an oil-flooded rotary screw air compressor, an oil-free of charge compressor normally has a lifespan of 50 thousand hrs. But it really is crucial to recognize that this type of compressor can nonetheless lead to harm to piping and procedures. Consequently, you should choose an oil-free of charge compressor when you want to thoroughly clean air for your organization.

Solitary-stage

A solitary-stage air compressor, also recognized as a piston air compressor, compresses air only after ahead of storing it in a cylinder. This saved air has adequate energy to electricity a range of pneumatic tools, this kind of as screwdrivers, chisels, and wrenches. These units are also ideally suited for reduced-circulation programs and are widely used in gas stations, car outlets, and different producing vegetation.
A single-stage air compressor uses two valves – one particular for inlet and one particular for outlet – to transfer compressed air. Both valves are actuated by springs. The inlet valve has a slight curvature to provide security from harm. The compressor’s outlet valve opens when the force in the cylinder is larger than the stress in the storage tank. The piston moves extremely quickly within the cylinder, exerting a high sum of pressure throughout the compression process. This substantial piston pace is a widespread cause of compressor wear and tear.
A one-stage air compressor is ideal for smaller sized tradesmen and little construction crews. Its light-weight and compact layout make it easier to transportation and shop. Whilst it may possibly be tempting to acquire the first low cost air compressor you see, it is essential to harmony the value in opposition to performance to decide on the proper air compressor for your needs. The ideal single-phase air compressor is a single that provides excellent performance and sturdiness. Its two-stage counterpart is made for greater design teams and massive programs.
The main big difference among a single-stage and a two-stage air compressor lies in their capacity. A single-phase air compressor compresses air only after and provides it into the storage tank, even though a two-phase compressor compresses it 2 times, making double the pressure. Since of this, single-stage air compressors are less expensive and adaptable than their counterparts, which means that they can be used for several purposes.
air-compressor

Reduced-noise

A reduced-sounds air compressor is a sort of industrial compressor that is considerably less noisy than regular air compressors. These are usually scaled-down machines designed for more compact factories and workshops with a number of to several staff. They are created to deal with mid-fat volumes of compressed air for each working day. This variety of compressor is particularly valuable for more compact manufacturing organizations that need to create compressed air for medical purposes. Modest breweries can also gain from the lower-sound capabilities of these compressors.
Minimal-sounds air compressors come in different dimensions and characteristics. For smaller sized jobs, you can obtain a 1-gallon design that is light-weight and transportable. For larger work, you can buy 1 with a more substantial tank that can give a lot more pressure for for a longer time employment. Nevertheless, a larger tank will make the compressor heavier and tougher to transportation. To keep away from this, make positive to verify the size of the tank and how significantly power it can handle.
Thinking about a low-sounds air compressor for your enterprise? If so, you have come to the appropriate place. There are a assortment of affordable and reliable low-sound choices to decide on from. A CAT 10020C, for illustration, is created to supply large-volume air to a lot of outlets at as soon as. A CAT 10020C comes with a 10-gallon tank, wheels, and a carrying take care of.
Noise amounts can also influence the productivity of employees. When workers work with air compressors in shut proximity to every single other, they could build tinnitus. If personnel are cost-free from tinnitus because of the loud sounds, they are very likely to perform a lot more successfully. In addition, it will be easier for them to focus and converse proficiently. If you need a compressor, a low-sound a single is an excellent option.

China factory Permanent Magnetic VSD Inverter Industrial Rotary Screw Air Compressor with Low Noise     near me shop China factory Permanent Magnetic VSD Inverter Industrial Rotary Screw Air Compressor with Low Noise     near me shop

China manufacturer 5.5bar 0.43-1.94m3/Min 11kw Ga11VSD+ Direct Drive Permanent Magnet VSD Screw Air Compressor Industrial CZPT Air Compressor Rotary Air Compressor with Hot selling

Product Description

We are licensed distributer of CZPT copco, we could offer total product line of
Atlas Copco air compressors , spare parts and consumables. we are also
certified supplier by global authoritative certification
corporations.

Kindly advise your technological demands, we will advise appropriate
compressed air method and spare elements for you .

We can supply CZPT One-Quit Service,and successful CZPT – saving solutions for you .

 

Related compressor spare components:
 

Products Description

Industrial gear, printing support, pipelines,electrical power crops, oil&gasoline, oil refinery, coating, painting,
plastics, metal market, rubber, mechanical, blow molding, colour sorter machine, shipyard, sandblasting, 
metallurg,and many others.

Distinct industries correspond to different air compressors, kindly you should ship me your application
locations and particular conditions, then will advocate the most ideal items for you .

 Delivery
We can supply CZPT regular packaging or OEM packaging.


one Q: How about  the high quality of merchandise ?

   A: We are authorized distributer of CZPT Copco. Never fret the good quality and service.

two Q: How lengthy is your  delivery direct time ?

   A: If there is inventory, the guide time is about 3 functioning days right after we get the payment, if need to have to
       be produced, it is dependent.

3 Q: How about your abroad soon after-sale provider?

   A: (1)Offer clients with intallation and commissioning on the web instructions.

       (2)Worldwide agents and sfter services available.

four Q: Can you acknowledge OEM&ODM orders?

   A: Indeed, we have skilled design and style team, OEM&ODM orders are extremely welcomed.

 

Sorts of Air Compressors

There are several kinds of Air Compressors available on the market. Find out which one particular is appropriate for your demands and what tends to make a single better than another. Find out a lot more about Single-phase models, Oil-totally free versions, and Lower-noise versions. This report will make clear these varieties and aid you determine which one particular you require. You can also discover about Air Compressors that have one-phase compressors. If you are searching for a substantial-quality compressor, this report will aid you choose a unit.
air-compressor

Air Compressors

Air compressors operate by forcing atmospheric air by way of an inlet valve. As the piston moves down, it pulls atmospheric air into the chamber. As the piston rises, it forces the compressed air out of the cylinder through an exhaust valve. 1 of the most common types of air compressor is the reciprocating type. An additional variety of compressor is a solitary-phase piston. These kinds of compressors compress air in one stroke – equivalent to the comprehensive rotation of the piston’s crankshaft.
These devices alter electrical or mechanical power into pressurized air. When air is compressed, its quantity decreases, growing its force. Air compressors normally have a minimal pressure of thirty bars. The lower pressure band is the selection of air force. Most compressors are controlled independently, but network controls can be utilized to interconnect numerous compressors. This kind of controller will not perform for all sorts of compressors. There are other types of air compressors that can talk with every single other.
Compressed air has a number of applications in all sorts of industries. In agriculture, it can power pneumatically driven substance managing machines for irrigation and crop spraying. Dairy equipments also use compressed air. Compressors are also utilised in the pharmaceutical business for mixing tanks, packaging, and conveyor methods. Transportable air compressors, which can be powered by diesel gas, are often utilized at distant drilling websites. Portable air compressors are also frequently utilised in oil and fuel. They can be employed to remotely handle valves and install reactor rods.
Whether you use an air compressor for agricultural reasons or in a manufacturing placing, there are some functions to think about when picking an air compressor for your requirements. A very good compressor will have a safety system. It will instantly shut off the enter air and output air once ample compressing has been reached. These features will assist your air compressor remain productive and shield your products. The protection device is an critical feature of any air compressor to boost its overall efficiency.
Vane air compressors are the most common type. They are generally smaller sized and less powerful than reciprocating piston compressors, so you can use 1 of these for applications that are under one hundred horsepower. The vane air compressors have lower compression ratios and substantial capacities, but they are typically constrained to lower-electricity applications. Vane compressors are likely to run scorching, and they typically have a lower compression ratio. It is crucial to pick the right oil viscosity for your compressor.
air-compressor

Single-phase types

When evaluating solitary-phase air compressors, search for the time period “levels.” Multi-phase compressors use two stages and can deal with a lot more capability and force. 1 stage entails pressurizing air using a piston and a reduced-force cylinder. This compressed air is then moved to a storage tank. Single-stage designs are inclined to be far more energy-productive than their two-phase counterparts. But if you never need a higher-pressure cylinder, a one-stage air compressor can be the greatest selection.
Even though one-phase air compressors make considerably less electrical power, they can create adequate air to electricity pneumatic equipment and other pneumatic products. These solitary-stage units are most helpful for scaled-down-scale home initiatives and Diy tasks. For far more industrial reasons, a twin-phase model is the very best decision. But if you might be in a hurry, a single-stage unit may be adequate. In the long run, it is dependent on what you program to do with the air compressor.
Solitary-phase air compressors function a one cylinder, a single piston stroke for each revolution of pressurized air. Solitary-stage compressors are typically scaled-down and much more compact, making them a very good selection for more compact operate environments. Their cfm capability (cubic feet per moment) is an important indicator of running potential. If you strategy to use multiple pneumatic instruments, you will almost certainly want a larger cfm design. Similarly, the horsepower of single-stage compressors signifies its doing work capacity. A single horsepower moves 550 lbs for each foot for each minute.
Multi-stage air compressors are normally far more pricey and a lot more energy-efficient than solitary-phase models, but they can supply higher air stream charges. Even though they may possibly be more complex, they can reduce standard working bills. If you prepare on using your air compressor for industrial or professional use, a twin-stage model may be the greatest option. However, if you happen to be preparing to use the air compressor for mass creation, a single-stage product could be the best selection.
Solitary-stage air compressors have the exact same piston size and amount of inlets, while dual-stage types have a smaller sized very first piston and a much lengthier next piston. Both have a cooling tube in between the two pistons to minimize the air temperature before the 2nd spherical of compression. The one-stage product is normally tiny and transportable, although the double-phase air compressor is stationary. These compressors can each be stationary and big.

Minimal-sounds models

Despite its name, lower-noise versions of air compressors are not all the very same. The sounds stage of a compressor can be afflicted by several elements, which includes the electricity supply and proximity to the device. Reciprocal compressors are generally louder than electrical types since of their numerous shifting parts. By contrast, rotary-screw and scroll compressors have fewer relocating areas and are quieter.
The sound stage of a gasoline-powered air compressor can be really large, generating it unsuitable for use indoors. To fight this problem, you can choose an electric design. The sounds amount of a compressor is mostly brought on by motor friction. The go over of a piston is also a main issue in sound, as pistons with small covers will create a great deal of noise. Formerly, oil was essential for a quiet compressor. Nevertheless, this has changed many thanks to the health care industry’s demand from customers for oil-cost-free models.
The CZPT EC28M Quiet Air Compressor is yet another model that attributes silent procedure. This air compressor makes 59dB of sounds. This level is minimal adequate to permit you to carry on normal conversations whilst it cycles. In addition, this compressor has an industrial oil-free of charge pump and a 2.8 Amp direct-push induction motor. These two attributes make it a wonderful option for companies.
Minimal-sound models of air compressors are offered for the development industry. Nevertheless, these compressors are not automatically minimal-quality, which is why you should think about the sound stage of your air instrument just before getting 1. The professionals at CZPT can recommend the low-sounds versions for your particular application and area. Sounds can distract men and women who work around the air compressor. That is why numerous businesses now opt for these types.
air-compressor

Oil-cost-free versions

A number of oil-free types of air compressors are offered, but what helps make them particular? Oil-cost-free compressors don’t have oil, so they’re lubricated by grease instead. They are a great choice if you might be functioning with a little compressor and do not want to risk harmful it. On the other hand, oil-cost-free models do generate substantial amounts of heat, which can damage the compressor. Increased force can grind the compressor in opposition to itself, or even warp it.
A number of words of expertise can assist you choose the best oil-free air compressor for your wants. For example, a compressor’s horsepower is a measurement of how potent the motor is. Increased horsepower means a higher PSI or ACFM. You can also use the ACFM to examine the two. Scroll engineering is a present day air compression program that employs a stationary and cell spiral. This lowers the quantity of air in the compressor by directing it to the center.
Buying an oil-free of charge air compressor will not have to be a daunting job, though. A great distributor can suggest you on what variety of oil-totally free air compressor is proper for you. This way, you can help save funds and appreciate peace of thoughts even though using your air compressor. And, of program, the very best way to get a great offer on an air compressor is to speak to a distributor who is well-informed about the items offered.
An oil-cost-free air compressor is a excellent choice for organizations that are sensitive to the contamination of air. For example, in the pharmaceutical and foodstuff industry, a minuscule oil could spoil a product or even hurt production tools. Oil-totally free air compressors normally have reduced routine maintenance charges than oil-flooded models since there are less moving areas. Since of this, oilless air compressors require fewer routine maintenance and may still need to have to be replaced occasionally.
A number of advantages of an oil-free air compressor above an oil-lubricated one particular incorporate reduce sound stages. Oil-cost-free air compressors are likely to be much less noisy and operate much more quietly than oil-injected kinds, but you ought to still carefully weigh the pros and cons just before creating a decision. Also, contemplate how much you use your air compressor just before deciding on a model. The pros outweigh the downsides. In the finish, you are going to be glad you selected an oil-free air compressor.

China manufacturer 5.5bar .forty three-1.94m3/Min 11kw Ga11VSD+ Immediate Push Permanent Magnet VSD Screw Air Compressor Industrial CZPT Air Compressor Rotary Air Compressor     with Sizzling marketingChina manufacturer 5.5bar .43-1.94m3/Min 11kw Ga11VSD+ Immediate Push Long term Magnet VSD Screw Air Compressor Industrial CZPT Air Compressor Rotary Air Compressor     with Hot offering

China Professional VSD Screw Compressors Twin Screw Compressor with Variable Speed Rotary Air Compressor Industrial Air Compressor with Best Sales

Product Description

     helium compressors twin screw compressor with variable displacement 

I. Introduction:
 
Variable frequency conception:
Our variable frequency sequence screw compressor requires edge of the stepless speed regulation of the frequency charger, and commence screw air compressor gently through the controller or the PID regulator within of the controller to increase the commence and operation method of the motor.
Prediction and evaluation of CZPT preserving:
If the air compressor regularly upload and unload throughout the procedure and notably the continual force output is needed, it is necessary to use air compressor frequency changer to manage air compressor to attain the result of CZPT preserving in a certain selection.
Regular strain:
The air compressor frequency changer aims at a the more substantial fluctuations of air quantity. Inner PID regulator can swiftly alter the reaction. Compared with the limit swap control of running with motor in constant frequency, the stability of the air strain output raises exponentially, trying to keep on a constant level.
Start with no effect:
For the frequency changer has the purpose of the comfortable start, the start-up existing is 3 moments lesser than the power frequency startup. So the affect of the startup is smaller sized.
Variable stream management:
Based on the PID regulator and the real air usage to alter the motor speed at a real time, to control the emission output and to obtain a equilibrium air supply. When reduced usage,  the air compressor can slumber automatically to decrease the CZPT reduction. The optimized control  further increases the vitality-preserving performance.
Greater voltage adaptability of AC electricity supply
Due to the above modulation method employed in frequency changer, whilst in low AC electrical power source voltage, it nevertheless outputs the sufficient torque to generate the motor to work. Even though in high AC energy offer voltage, it will not lead to a greater voltage output to motor.
 

II. Technical specification

III. CE & ISO Certificates:

Bundle photos:

On-web site photos:

IV. Company Introduction

ZheJiang CZPT COMPRESSOR CO., LTD.  is 1 United kingdom wholly-owned compressor business, which was located in ZheJiang in 2004, primarily based in technological cooperation with European air finish producer and British O.S.G. OSG ZheJiang specializes in producing the globe-class screw compressors and air CZPT equipments.
In order to fulfill customers’ anticipations and demands, OSG ZheJiang integrates the compressing system to embody the merits of trustworthiness, CZPT preserving, silence, convenience.  OSG ZheJiang experienced received the compressor production license (certification No: XK06-571-0571), high quality certification and common machinery certificate, ISO 9001:2008 certification and CE certificate.
 OSG has set up a nation-extensive provider technique of 40 places of work, and provided thorough solutions, this kind of as consulting, instruction, fixing, spare elements giving, etc. OSG ZheJiang also do OEM for buying and selling businesses and agents, in accordance to their specifications.
 OSG ZheJiang welcome clients and engineers all over the globe to examine, teach and cooperate. Welcome to OSG ZheJiang .
 
 
V. Business Rewards
1.Tremendous potentiality, long heritage
ZheJiang CZPT Compressor Co., Ltd. is 1 British wholly-owned enterprise. At the moment in China, OSG has established up 3 significant production bases (ZheJiang CZPT Compressor Co., Ltd, ZHangZhoug Ulite Resources Co.,Ltd., ZheJiang OSG welding), 5 Makers. In the meantime we cooperate with the European entire world-progress air stop company. OSG ZheJiang possesses a full manufacturing, sales and after-sales services system. OSG has 40 places of work and far more than eighty after-income support centers, and merchandise are bought to much more than twenty international locations.
 
2. Innovative configuration, planet-renowned components, abundant creation experience.
    The management method is the most innovative. The controller is designed and produced by Schneider, France. It is geared up with the huge Chinese-English liquid crystal screen display. It can keep track of far more than twenty main working parameters, and has the capabilities of fault recording, routine maintenance and alarm shutdown. It can achieve effective intelligent handle, unattended.
Distant handle: the laptop processor can directly check out the user’s true-time working program. Blend the reliability, CZPT conserving, practicality in a single. remote management can begin, cease, load, unload the compressor and also other regional handle can be carried out. The procedure, alarm and fault and relative neighborhood details can be monitored. (thorough description followed)
Distant manage perform:
Several compressors remote centralized management: reduce technique force, lessen CZPT use, true-time checking.
Twin force location: Two technique strain bands can be established manually or immediately to enhance CZPT use and reduce functioning fees.
Delayed secondary shutdown: This operate controls the motor to operate only when needed, permitting the motor to operate considerably less and minimize the CZPT intake.

A Buyer’s Guide to Air Compressor Types

There are numerous sorts of Air Compressors, and it truly is critical to understand what every single kind has to provide. In this article, we will examine single phase air compressors, reduced-sound compressors, and designs with two pistons. But, before you buy an Air Compressor, be positive to study our buyer’s guidebook to the different varieties. This way, you will have all of the information you need to have to make the proper selection for your organization.
air-compressor

Solitary-stage air compressors

A one-phase air compressor is an excellent choice for most common-goal needs. They provide sufficient electricity to work pneumatic equipment, and they make much less heat. Single-stage air compressors, however, are not suitable for heavy-duty industrial uses. Even so, they can be used in various applications, which includes vehicle retailers, gasoline stations, and different manufacturing amenities. They are also suitable for borewells and other substantial-pressure areas.
These air compressors are a excellent option for property use and are appropriate for tiny-scale companies, contractors, and little outlets. These compressors have steady duty cycles, cast iron compressor pumps, and a minimal 5,000-hour pump lifestyle. They also attribute innovative attributes, which includes ODP motors, Car Commence & Controls, Receiver tanks, and energy cords. They have low routine maintenance and can preserve you a great deal of cash.
Solitary-stage air compressors are normally much less high-priced and lighter than their two-phase counterparts. One-phase air compressors are also a lot more moveable, which is a additionally for small tasks. Even though two-phase compressors supply larger CFM, they are a lot more potent and bulky, creating them unsuitable for little or house use. So it is essential to figure out what you will use the air compressor for and decide on a design primarily based on your needs.
A solitary-stage air compressor is created of a piston and a tank. The piston moves speedily inside the cylinder and exerts pressure on the cylinder. This indicates that the piston can’t transfer any more rapidly than the air force exterior the cylinder. The piston is designed to operate in the same way for each and every stage. This is a wonderful selection for property retailers and a single-male automotive outlets, as it enables you to management the force with no sacrificing the pump’s daily life.
One-stage air compressors are usually cheaper than two-stage variations, but they are not the best choice for each software. If you are only utilizing your air compressor at times, you may find a one-phase product to be considerably far more trustworthy than a two-phase product. The main difference in between the two sorts of compressors is in the quantity of air that each stage compresses. A two-phase air compressor will have more air storage potential, but it will even now make much more stress.

Rotary vane compressors

Rotary vane compressors use a centrifugal pump to compress air. The rotor is established eccentrically in the housing, which almost touches the vane. As the rotor turns, the air that enters the pump is trapped in between the vanes. This compressed air undergoes compression as the rotor rotates. Vanes are tiny pieces of carbon fiber or graphite composite. Vanes may possibly be created of various materials based on the application.
Even though rotary vane pumps are not typically used to make compressed air, they are extensively utilized in automotive and hydraulic apps. Probabilities are, you have utilized a rotary vane pump at some level in your life. These pumps are also frequent in the vacuum and compressed air industries. As a end result, numerous folks don’t realize that they’re still close to. They function slots that allow the vanes to slide in and out of the rotor.
A rotary vane compressor has a drum and rotor within. The rotor is eccentrically positioned and has slots and grooves on its floor. Its inlet and outlet ports are situated off-center, allowing the vanes to be pushed out by centrifugal force. Because the rotor rotates so rapidly, air is trapped among the vanes. This air then becomes pressurized by the rotating rotor.
Rotating vane compressors can be easily serviced and fixed. A simple substitute of carbon vanes needs just 15 minutes and typical resources. The carbon vanes normally previous 9 to eighteen months, relying on program functioning force. Ahead of purchasing a rotary vane compressor, make certain to check out no matter whether it has been effectively overall performance-examined and has a warranty. Generally, warranties cover the rotor/stator chambers but do not cover the vanes or air filters. You ought to also check out if the device is lined by a lightning or h2o damage warranty.
Rotary vane compressors are an integral component of producing industries. Numerous pharmaceutical production amenities rely on rotary vane compressors to manage their tools. Other industries that use rotary vane compressors contain the plastics, woodworking, natural gas, and health care & dental fields. Their benefits are many and much outweigh any negatives of rotary screw compressors. For illustration, a rotary vane compressor can double the life of a standard compressor.
air-compressor

Rotary vane compressors with minimal-noise types

If you are seeking for a rotary vane air compressor, you have come to the correct place. CZPT’s LV Collection rotary vane compressors supply lower-noise types, compact dimension, and robust integration. In addition to their reduced-sound functions, they characteristic massive filter programs to provide high-quality compressed air. The LV Collection versions also function CZPT’s track record for trustworthiness and top quality.
This kind of compressor makes use of centrifugal force to function and is restricted in its best and minimum functioning speeds. They are only a third as strong as screw compressors, and their prime speed limits are a lot lower. Moreover, the vanes put on out very easily at higher speeds due to the fact there is not ample centrifugal pressure to seal them towards the cylinder’s edges. Even at half their total capability, they consume as considerably as 80% of their total energy ranking.
Because piston compressors make a lot of noise, manufacturing facility homeowners and store homeowners have started to put in noise-dampening cabinets and other remedies. But, rotary vane compressors create significantly much less sound than a classic vacuum, and the upkeep expenses are also reduced. Rotary vane compressors are also really valuable in numerous industries. They are used in the automotive and auto ending industries, as effectively as in dairy industries and milking devices.
If you have a deep pond, a rotary vane air compressor package can pump up to 20 ft of drinking water. This is more than sufficient airflow for two to 5 diffusers. A 1/4 HP rotary vane package pumps close to 4.2 CFM. It also assists to improve circulation and oxygen levels in the pond. Last but not least, a 1/4 HP kit provides the needed electricity to clear up the base of a pond.
The rotary vane and rotary screw are the most well-known air compressors right now. Even though they are equivalent in several methods, they are much more versatile and resilient than their counterparts. They use fewer angular make contact with ball bearings and need much less recurrent routine maintenance than piston air compressors. In comparison to piston air compressors, rotary vane and rotary screw compressors are quieter and are considerably less costly.
air-compressor

Rotary vane compressors with two pistons

The rotary vane and rotary screw compressors are comparable in software, but equally have different advantages and disadvantages. This write-up will evaluate the positive aspects of every and emphasize the variances in between them. Whilst equally are typically utilised in industrial purposes, rotary vane compressors are desired by many industries. These compressors also have a extensive assortment of makes use of, ranging from automotive air tool procedure to milking machines. These compressors also have the gain of being quieter than piston-powered ones.
The recent typical rail situation may not be suited for stress swirl injectors, but new positions have been analyzed and present improvements in distinct strength values. In addition, the present placement is not required for exterior oil pumps. However, mass induction and expulsion have to be carried out with utmost treatment. This report focuses on the layout and efficiency of rotary vane compressors. You can discover more details about this new design in the references described below.
The benefits of this sort of compressor are its lower value, compact size, and straightforward routine maintenance. Hence, they are favored in minimal ability applications. Moreover, they attribute integrated vanes. The rotating vanes shut the air hole and compress air toward the outlet. In comparison to piston-run compressors, these units are less expensive and more reputable. For that reason, you ought to decide on a single with the most affordable cost tag. You can also decide for rotary vane compressors that are oil-totally free.
Sliding vane compressors are yet another well-liked variant. They have a one cylinder connected to the compressor and are able of working at lower speeds. This design also reduces the volume of friction and maintains volumetric efficiency. Nevertheless, the sliding vane compressors suffer from substantial frictional losses. If you are looking for a more successful rotary compressor, this is the greatest alternative. Although sliding vane compressors have been in the highlight for more than a century, they are nonetheless very younger.
These compressors are effortless to set up and maintain. They are also quieter than piston compressors. They are also cheaper than piston-pushed compressors. The power efficiency and lower cost make them the best choice for any business or industrial application. If you might be looking for a small, compact compressor, the rotary vane has been confirmed to be the ideal selection for your wants. You should know that it has a lengthy support lifestyle.

China Professional VSD Screw Compressors Twin Screw Compressor with Variable Speed Rotary Air Compressor Industrial Air Compressor     with Best SalesChina Professional VSD Screw Compressors Twin Screw Compressor with Variable Speed Rotary Air Compressor Industrial Air Compressor     with Best Sales