China Professional 315kw Two-Stage Permanent Magnetic Variable-Frequency Screw Air Compressor for Air Tank Testing with Great quality

Product Description

Two-stage compression permanent magnet VSD 
screw air compressor

♦ Intelligent Touch-Screen Design

♦ Direct-driven

♦ Air Cooling

♦ 7/8/10/13bar

♦ Air Filter 

♦ Stainless Steel

♦ Piping Design


1. The most advanced split type design
2. The air end and motor are connected by the coupling, free from the trouble of maintenance.
3. Double screw highly efficient air end design of large rotor, larger compressed capacity, longer service life with imported CHINAMFG bearings.
4. Permanent magnet motor
The motor is made of the special material of rare-earth permanent magnet, strong magnetic field, large overload torque and small current while starting and operation,
The special rare-earth permanent magnet with the special design of the rotor, makes the efficiency of the motor 10%-15% higher than the same horsepower induction motor.
Design of the lower temperature, the raise temperature of the motor<60K, greatly improves the service life and service factor.
Soft starter by the inverter
Avoiding the strong mechanical shock while starting, prolonging the life of machine, reducing the maintenance, improving the reliability. So it can save 30% energy.

Model Pressure
Outlet Size
2PV-0.7/15 0.7  0.7-3.0 15 1450*780*1180 660 G1-1/4″
2PV-0.8/15 0.8  0.7-2.9
2PV-1.0/15 1.0  0.6-2.4
2PV-1.3/15 1.3  0.5-2.2
2PV-0.7/18.5 0.7  0.9-3.8 18.5 1450*780*1180 680 G1-1/2″
2PV-0.8/18.5 0.8  0.8-3.5
2PV-1.0/18.5 1.0  0.7-2.9
2PV-1.3/18.5 1.3  0.7-2.7
2PV-0.7/22 0.7  1.1-4.5 22 1500*956*1219 730 G1-1/2″
2PV-0.8/22 0.8  1.1-4.3
2PV-1.0/22 1.0  0.8-3.5
2PV-1.3/22 1.3  0.7-2.9
2PV-0.7/30 0.7  1.6-6.8 30 1650*880*1280 980 G1-1/2″
2PV-0.8/30 0.8  1.5-6.4
2PV-1.0/30 1.0  1.2-4.9
2PV-1.3/30 1.3  1.1-4.3
2PV-0.7/37 0.7  1.9-7.5 37 1800*1254*1560 1080 G1-1/2″
2PV-0.8/37 0.8  1.8-7.4
2PV-1.0/37 1.0  1.5-6.3
2PV-1.3/37 1.3  1.4-5.6
2PV-0.7/45 0.7  2.3-10.2 45 2150*1410*1640 1980 G2″
2PV-0.8/45 0.8  2.2-9.7
2PV-1.0/45 1.0  1.9-7.8
2PV-1.3/45 1.3  1.6-6.5
2PV-0.7/55 0.7  3.02-13.1 55 2150*1410*1640 2180 G2″
2PV-0.8/55 0.8  2.8-12.5
2PV-1.0/55 1.0  2.3-10.1
2PV-1.3/55 1.3  1.9-8.6
2PV-0.7/75 0.7  4.2-17.5 75 2250*1410*1640 2280 DN65
2PV-0.8/75 0.8  3.8-16.5
2PV-1.0/75 1.0  3.4-13.6
2PV-1.3/75 1.3  2.9-11.2
2PV-0.7/90 0.7  5.3-20.8 90 2650*1654*1870 3200 DN65
2PV-0.8/90 0.8  4.9-20.2
2PV-1.0/90 1.0  4.1-16.9
2PV-1.3/90 1.3  3.9-15.3
2PV-0.7/110 0.7  6.1-24.5 110 2720*1800*1900 3360 DN80
2PV-0.8/110 0.8  5.8-23.5
2PV-1.0/110 1.0  5.1-20.1
2PV-1.3/110 1.3  4.4-17.6
2PV-0.7/132 0.7  7.2-30.1 132 2850*1854*1900 3450 DN80
2PV-0.8/132 0.8  6.9-28.5
2PV-1.0/132 1.0  6.1-24.1
2PV-1.3/132 1.3  5.4-21.3
2PV-0.7/160 0.7  8.8-35 160 2866*1730*1918 3850 DN80
2PV-0.8/160 0.8  8.1-33.6
2PV-1.0/160 1.0  7.7-31.1
2PV-1.3/160 1.3  6.5-26.3
2PV-0.7/185 0.7  10.7-42 185 3200*1730*1918 3990 DN100
2PV-0.8/185 0.8  10.3-40
2PV-1.0/185 1.0  8.8-35.5
2PV-1.3/185 1.3  7.5-32.4
2PV-0.7/200 0.7  10.7-44.8 200 3300*2060*2280 5890 DN100
2PV-0.8/200 0.8  10.3-43
2PV-1.0/200 1.0  9.2-38.6
2PV-1.3/200 1.3  7.9-33
2PV-0.7/220 0.7  11.7-48.0 220 4000*1780*1968 6500 DN125
2PV-0.8/220 0.8  11.3-47.2
2PV-1.0/220 1.0  9.8-41.2
2PV-1.3/220 1.3  9.1-38.1
2PV-0.7/250 0.7  13.2-55.3 250 4000*2120*2200 6800 DN125
2PV-0.8/250 0.8  13.0-51.0
2PV-1.0/250 1.0  11.0-46.9
2PV-1.3/250 1.3  9.6-41.2
2PV-0.7/280 0.7  14.4-60.0 280 4000*2120*2200 7200 DN125
2PV-0.8/280 0.8  13.2-56.5
2PV-1.0/280 1.0  12.2-51.5
2PV-1.3/280 1.3  10.8-46.5
2PV-0.7/315 0.7  16.2-67.5 315 4450*2200*2500 7800 DN125
2PV-0.8/315 0.8  14.6-62.0
2PV-1.0/315 1.0  13.2-56.5
2PV-1.3/315 1.3  12.2-51.5
2PV-0.7/280W 0.7  14.4-60.0 280 3400*2100*2200
(Water coling)
7200 DN125
2PV-0.8/280W 0.8  13.2-56.5
2PV-1.0/280W 1.0  12.2-51.5
2PV-1.3/280W 1.3  10.8-46.5
2PV-0.7/315W 0.7  16.2-67.5 315 2850*2050*2120
(Water coling)
7800 DN125
2PV-0.8/315W 0.8  14.6-62.0
2PV-1.0/315W 1.0  13.2-56.5
2PV-1.3/315W 1.3  12.2-51.5


ZheJiang CHINAMFG 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 CHINAMFG 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. /* 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: 1 Years
Lubrication Style: Lubricated


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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 Screw Compressors Be Used for Air Conditioning?

Yes, screw compressors can be used for air conditioning applications, particularly in larger commercial and industrial HVAC systems. Here’s a detailed explanation:

Screw compressors are a type of positive displacement compressor that can effectively handle large volumes of gas or air. They are known for their high efficiency, reliability, and ability to provide continuous operation. These qualities make screw compressors well-suited for air conditioning systems that require the compression of refrigerant gases to facilitate cooling.

In air conditioning applications, screw compressors are commonly used in two types of systems:

  • 1. Chillers: Screw compressors are frequently employed in chiller systems, which are central air conditioning units that cool water or another secondary refrigerant. In chiller-based air conditioning systems, the screw compressor works in conjunction with other components such as evaporators, condensers, and expansion valves to extract heat from the chilled water or secondary refrigerant and provide cooling to the desired space.
  • 2. Variable Refrigerant Flow (VRF) Systems: VRF systems utilize multiple individual indoor units connected to a single outdoor unit. These systems can provide simultaneous heating and cooling to different zones within a building. In VRF systems, screw compressors are often used in the outdoor units to compress the refrigerant gas, which is then distributed to the indoor units for heat exchange and cooling.

The advantages of using screw compressors in air conditioning systems include:

  • 1. High Capacity: Screw compressors are capable of handling large volumes of gas or air, making them suitable for air conditioning applications that require high cooling capacities.
  • 2. Energy Efficiency: Screw compressors can deliver high energy efficiency, especially when equipped with variable speed drives (VSD) that allow the compressor to adjust its speed based on the cooling demand. This leads to energy savings and improved system performance.
  • 3. Reliability: Screw compressors are known for their reliability and durability, making them a suitable choice for air conditioning systems that require continuous operation and long service life.
  • 4. Smooth Operation: Screw compressors operate with minimal vibration and noise, contributing to a comfortable and quiet air conditioning environment.
  • 5. Control Flexibility: Screw compressors can offer control flexibility, allowing for efficient modulation of cooling capacity based on the cooling load. This enables precise temperature control and improves overall system performance.

It’s important to note that screw compressors used in air conditioning systems require proper installation, maintenance, and periodic inspections to ensure optimal performance and longevity. Regular maintenance tasks, such as checking refrigerant levels, cleaning filters, and inspecting compressor components, should be performed in accordance with the manufacturer’s recommendations.

In summary, screw compressors can be effectively used for air conditioning applications, particularly in larger commercial and industrial HVAC systems. Their high capacity, energy efficiency, reliability, smooth operation, and control flexibility make them well-suited for chiller and VRF systems. Proper installation, maintenance, and adherence to manufacturer guidelines are essential for optimal performance and longevity of screw compressors in air conditioning applications.

air compressor

Are There Regulations Governing the Use of Screw Compressors in Certain Industries?

Yes, there are regulations governing the use of screw compressors in certain industries. Here’s a detailed explanation:

1. Occupational Safety and Health Administration (OSHA):

In the United States, OSHA sets standards and regulations to ensure the safety and health of workers. While OSHA does not have specific regulations solely focused on screw compressors, they have general requirements that apply to compressed air systems, including screw compressors. These requirements cover aspects such as electrical safety, guarding of moving parts, and proper maintenance practices to ensure worker safety.

2. Environmental Protection Agency (EPA):

The EPA in the United States regulates air emissions to protect the environment and public health. While screw compressors themselves are not directly regulated, if the compressed air is used in processes that emit pollutants, such as in industrial manufacturing, the EPA may have regulations that apply to those specific industries or processes.

3. Industry-Specific Regulations:

Certain industries have specific regulations that govern the use of screw compressors or compressed air systems. These regulations are often aimed at ensuring product quality, safety, and environmental compliance. Some examples include:

a) Food and Beverage Industry: The food and beverage industry often has strict regulations to ensure product safety and prevent contamination. Compressed air used in processes such as packaging, conveying, or powering equipment may need to meet specific quality standards, such as those established by the Food and Drug Administration (FDA) or the Global Food Safety Initiative (GFSI).

b) Pharmaceutical Industry: The pharmaceutical industry has stringent regulations to ensure product quality, safety, and compliance with Good Manufacturing Practices (GMP). Compressed air used in pharmaceutical manufacturing processes must meet specific standards, such as those outlined in the United States Pharmacopeia (USP) or the European Pharmacopoeia (Ph. Eur.).

c) Electronics Industry: The electronics industry often requires clean and dry compressed air to prevent damage to sensitive electronic components. Standards such as ISO 8573, which specify air purity classes for different contaminants in compressed air systems, may be applicable.

d) Automotive Industry: The automotive industry may have regulations and standards related to the use of compressed air in manufacturing processes, such as painting or pneumatic tools. These regulations often focus on worker safety, product quality, and environmental compliance.

It’s important for organizations in these industries to be aware of and comply with the relevant regulations governing the use of screw compressors. Compliance helps ensure the safety of workers, product quality, environmental protection, and overall regulatory compliance.

It’s worth noting that regulations may vary by country and region, so it’s essential to consult the specific regulations applicable to the industry and location where the screw compressors are being used.

air compressor

How Do Screw Compressors Compare to Piston Compressors?

Screw compressors and piston compressors are two common types of compressors used for various applications. Here’s a detailed comparison between these two types:

1. Working Principle:

Screw Compressors: Screw compressors use intermeshing rotors (usually a male and female rotor) to compress air or gas. The rotors rotate in opposite directions, creating compression chambers that gradually reduce in volume, compressing the air or gas. Piston Compressors: Piston compressors, also known as reciprocating compressors, use a piston and cylinder arrangement to compress air or gas. The piston moves back and forth within the cylinder, creating compression by reducing the volume of the chamber.

2. Continuous vs. Intermittent Compression:

Screw Compressors: Screw compressors provide continuous compression, which means they can deliver a steady flow of compressed air or gas without pulsations. The compression process is smooth and continuous, resulting in less vibration and noise. Piston Compressors: Piston compressors provide intermittent compression due to the reciprocating motion of the piston. The compression process is characterized by pulsations, resulting in pressure fluctuations and higher vibration levels compared to screw compressors.

3. Efficiency:

Screw Compressors: Screw compressors are known for their relatively high efficiency. They can achieve higher isothermal and adiabatic efficiency compared to piston compressors. The smooth and continuous compression process in screw compressors minimizes energy losses and heat generation, resulting in improved efficiency. Piston Compressors: Piston compressors have lower overall efficiency compared to screw compressors. The reciprocating motion of the piston leads to energy losses due to friction, heat generation, and pressure pulsations. These factors can reduce the efficiency of piston compressors, especially at higher compression ratios.

4. Size and Portability:

Screw Compressors: Screw compressors are generally more compact and require less space compared to piston compressors of similar capacity. They have a simpler design with fewer moving parts, making them relatively lightweight and easier to install. Screw compressors are often mounted on a skid or integrated into compact packages, offering convenient portability. Piston Compressors: Piston compressors are typically larger and bulkier compared to screw compressors of similar capacity. They have more complex designs with multiple moving parts, including pistons, connecting rods, and valves. The larger size and weight of piston compressors make them less portable and require more installation space.

5. Maintenance and Service:

Screw Compressors: Screw compressors generally require less maintenance compared to piston compressors. They have fewer moving parts, reducing the chances of wear and tear. Screw compressors often have longer service intervals and lower maintenance costs. However, proper lubrication and regular inspections are still necessary to ensure optimal performance and efficiency. Piston Compressors: Piston compressors require regular maintenance due to the higher number of moving parts. Components such as pistons, rings, valves, and bearings may require more frequent inspections, lubrication, and replacements. Maintenance costs and service intervals for piston compressors are typically higher compared to screw compressors.

6. Noise and Vibration:

Screw Compressors: Screw compressors operate with lower noise and vibration levels compared to piston compressors. The continuous and smooth compression process in screw compressors results in reduced vibrations and quieter operation, making them suitable for noise-sensitive environments. Piston Compressors: Piston compressors can generate higher noise levels and vibrations due to the reciprocating motion of the piston and the pulsations during compression. Additional measures, such as sound insulation and vibration dampening, may be required to minimize noise and vibration in piston compressors.

Both screw compressors and piston compressors have their advantages and disadvantages depending on specific application requirements. Screw compressors are favored in applications that demand continuous and efficient compression with minimal pulsations and lower noise levels. Piston compressors are suitable for applications that require intermittent compression, lower initial investment, and simplicity. Factors such as desired flow rate, pressure range, operating conditions, and cost considerations play a crucial role in selecting the appropriate compressor type for a given application.

China Professional 315kw Two-Stage Permanent Magnetic Variable-Frequency Screw Air Compressor for Air Tank Testing   with Great qualityChina Professional 315kw Two-Stage Permanent Magnetic Variable-Frequency Screw Air Compressor for Air Tank Testing   with Great quality
editor by CX 2024-02-27

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