China best High Pressure 400bar Helium Hydrogen Gas Air Screw Diaphragm Compressor manufacturer

Product Description

V type diaphragm compressor for high purity gases


type inlet pressure
outlet pressure
flow rate
rotate speedr/min
1G3V-40/13-I normal pressure 1.3 40 15 330
2G3V-40/13-150 1.3 15 40 15 400
H-GV3-950/69-80 6.9 8.0 950 18.5 400
H-GV3-60/2-74 0.2 7.4 60 22 400
GV3-100/17-250 1.7 25 100 30 400
GV3-200/140-300 14 30 200 30 400
G2.5V-10/200 normal pressure 20 10 7.5 400
G2.5V-10/1-160 0.1 16 10 11 400
G2.5V-20/4-350 0.4 35 20 11 400
G2.5V-20/4-160 0.4 16 20 11 400
G2.5V-20/4-250 0.4 25 20 11 400
CG2V-5/200 normal pressure 20 5.0 3.0 400
G2V-10/13 normal pressure 1.3 10 3.0 400
G2V-5/4-350 0.4 35 5.0 3.0 400
G2V-8/2.5-160 0.25 16 8.0 5.5 400
G2V-5/4-160 0.4 16 5.0 5.5 400

1  Equipment specifications and requirements
1.1 Location and site conditions:
(1)      installation location: Indoor
(2)    :  dIIBT4,
Explosion protection requirements: Motor dIIBT4, 
1.2:  Common engineering criteria
(1)     Cooling water
 Pressure                       3~5 Bar (G)
Water inlet temperature        ≤ 30ºC
 (2) Electric                         3P/380  VAC/ 50HZ, 
1.3 Drive method: Electric motor , Belt drive
1.4  Processing technology and parameter requirements
(1)Suction pressure:            7 bar  (G)
(2) Discharge pressure:          160bar (G) 
(3) Suction Capacity:            50Nm3/h
(4)  Media:                 CH4 C2H4
(5) Suction temperature:         ≤30 ºC
(6) Temperature of water inlet:    ≤30 ºC

2 Technical Parameters

2.1  Main Technical Specifications
(1) Model:                       GL2-50/7-160
(2) Type                       
L-type, water-cooling,two-stage Compression
(3) Drive method      Crank shaft and connecting rod
(4)  Media    :             CH4  C2H4
(5)Suction Capacity:            50Nm3/h
(6) Suction pressure:            7 bar  (G)
(7) Discharge pressure:           160bar(G)
(8) Suction temperature:           ≤30 ºC
(9)Discharge temperature:         ≤45 ºC
(10)Lube oil temperature:        ≤70 ºC
(11) Crank shaft speed:        420r/min
(12) Piston stroke:             105 mm
(13) Shaft power:                ≤9.5.kW
(14) Water-inlet temperature:       ≤30 ºC
(15) Cooling water consumption    1200L/h
(16)Lube oil trademark:        L-HM -68
                                      L-HM-68# Chemical-Resistant Lube oil
(18) :Amount of the first oil:       25Kg
(19) Transmission method:          strap transmission
2.2  Electromotor
(1)Model:                         YB3-160L-4 
(2) Power:                       15kW
(3) Electromotor speed:             1460r/min
(4) Supply voltage                 380V/50Hz
(5) Defend exploding grade:     dIIBT4
(6) Defend and insulation request:  IP55/F
2.2.1 Electromotor
(1)Model:                         YB3-80L-4 
(2) Power:                       0.75kW
(3) Electromotor speed:            1400r/min
(4) Supply voltage                 380V/50Hz
2.3 Compressor skid
(1) Dimensions:     1700×850×1150mm
(2) Weight:                          1100 kg

3  Technical requirements
3.1 Materials in contact with the medium and compression
(1) Gas cover:                       3Cr13
(2) Diaphragms:                 /00Cr15Ni5.
(3) Suction valve and Discharge valve:  
  Hoerbiger / Cozzani,baohua
(4) 304 stainless steel
Pipeline, Joint, Flange, Cooler, etc.,  304stainless steel 
3.2 Important accessory material
(1) Diaphragm head:                  45
(2) Perforated plate:                45
(3) Piston pole:                    40Cr
(4) Crankcase:                      HT200
(5) Cross-head:                     QT600-3
(6) Oil-pipeline                     304  stainless steel
(7) Strap                      Anti static triangle belt
3.3   The request to Equipment
(1) Compressor,electromotor,assistant equipment,gauge and pipeline install on the underpan ;
(2) Supply Specialties tools,spare parts and document 1 set.
(3) PID;Affording the control principle drawing.
3.4  All of the compressor control
(1)Auto alarm for 1st stage diaphragm rupture
Auto alarm for 1st stage diaphragm rupture,the pressure is higher than 0.25MPa, compressor alarm shutdown, 
(2) Auto alarm for 1st stage diaphragm rupture
Auto alarm for 2st stage diaphragm rupture,the pressure is higher than 0.25Mpa, compressor alarm shutdown, 

4 High exhaust pressure protection
16.5 MPa,
Exhaust pressure is higher than 16.5mpa, compressor alarm

After-sales Service: 10024-97-2
Warranty: 1year
Principle: Diaphragm Compressor


.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 Industries Commonly Use Screw Compressors?

Screw compressors are widely used in various industries due to their efficiency, reliability, and versatility. Here’s a detailed overview of the industries that commonly utilize screw compressors:

  • 1. Manufacturing: Screw compressors find extensive use in manufacturing industries such as automotive, aerospace, electronics, and appliances. They are employed for applications such as powering pneumatic tools, operating production lines, providing compressed air for painting, and controlling automated processes.
  • 2. Oil and Gas: The oil and gas industry extensively utilizes screw compressors for various purposes. They are employed in upstream operations for natural gas gathering, gas lift systems, and wellhead compression. In downstream operations, screw compressors are used in refining processes, gas transmission, and storage facilities.
  • 3. Chemical and Petrochemical: Screw compressors play a crucial role in chemical and petrochemical industries. They are used for compressing gases in chemical reactions, providing instrument air for control systems, powering pneumatic conveying systems, and handling various process gases in refining and production processes.
  • 4. Food and Beverage: Screw compressors are employed in the food and beverage industry for applications such as refrigeration, freezing, and air supply for packaging processes. They help maintain optimal temperature and humidity conditions, ensuring the quality and safety of food and beverage products.
  • 5. Pharmaceutical and Healthcare: Screw compressors are utilized in pharmaceutical manufacturing facilities, research laboratories, and healthcare institutions. They provide clean, oil-free compressed air for critical processes, such as pharmaceutical production, medical device manufacturing, and laboratory analysis. High-quality compressed air is essential to meet stringent quality and regulatory standards in these industries.
  • 6. Power Generation: Screw compressors find applications in power generation facilities, including gas turbine power plants, combined heat and power (CHP) systems, and cogeneration plants. They are used for inlet air compression, fuel gas boosting, and other compressed air requirements in power generation processes.
  • 7. Construction and Mining: Screw compressors are widely used in construction and mining industries for powering pneumatic tools, drilling equipment, and material handling systems. They provide the necessary compressed air for efficient and reliable operation in demanding construction and mining environments.
  • 8. Municipal and Wastewater Treatment: Screw compressors are utilized in municipal water treatment and wastewater treatment plants. They play a vital role in aeration processes, where compressed air is introduced into water or wastewater to promote biological treatment and ensure effective removal of contaminants.
  • 9. Printing and Packaging: Screw compressors are employed in printing and packaging industries for applications such as air drying, air cushioning, and powering pneumatic systems in printing presses and packaging machinery. They ensure consistent and reliable compressed air supply for efficient production processes.
  • 10. Automotive and Transportation: Screw compressors are used in automotive and transportation industries for applications such as air conditioning systems in vehicles, pneumatic braking systems, and compressed air supply for tire inflation and maintenance.

These are just a few examples, and screw compressors find applications in numerous other industries, including textiles, plastics, pulp and paper, steel and metal fabrication, electronics manufacturing, and more. The versatility and reliability of screw compressors make them a popular choice across a wide range of industrial sectors.

air compressor

Can Screw Compressors Be Used for Medical Air Supply?

Yes, screw compressors can be used for medical air supply. Here’s a detailed explanation:

Screw compressors are commonly employed in various applications, including medical air supply systems. Medical air is a critical utility in healthcare facilities, used for various purposes such as respiratory therapy, anesthesia, and surgical tools. Here are some key points to consider:

1. Reliability and Efficiency:

Screw compressors are known for their reliability and efficiency. They can provide a continuous and reliable source of compressed air, ensuring a stable supply for medical applications. The rotary screw design allows for smooth and efficient compression, minimizing energy consumption and maximizing system performance.

2. Oil-Free Operation:

In medical applications, it is crucial to ensure the purity of the compressed air. Screw compressors can be designed and certified to provide oil-free air, eliminating the risk of oil contamination in the medical air supply. Oil-free screw compressors incorporate specialized sealing systems and filtration to prevent oil carryover, making them suitable for medical air applications.

3. Air Quality Standards:

Medical air must meet specific air quality standards to ensure patient safety and treatment effectiveness. Standards such as the European Pharmacopoeia (Ph. Eur.) or the United States Pharmacopeia (USP) define the required purity levels for medical air, including limits on particulate matter, moisture content, and microbial contamination. Screw compressors can be equipped with appropriate filtration and purification systems to meet these standards.

4. Integrated Drying and Filtration:

Some screw compressors designed for medical air applications incorporate integrated drying and filtration systems. These systems remove moisture and contaminants from the compressed air, ensuring it meets the required quality standards. Integrated drying systems can include refrigerated dryers, desiccant dryers, or membrane dryers, depending on the specific needs of the medical air supply system.

5. Redundancy and Backup Systems:

Medical air supply systems often require a high level of reliability and continuity. Screw compressors can be configured with redundancy and backup systems to ensure uninterrupted supply. Multiple compressors can be installed in parallel, with automatic switching mechanisms to maintain supply in case of a compressor failure or maintenance activities.

6. Monitoring and Alarms:

Modern screw compressors used in medical air supply systems often feature advanced monitoring capabilities. They can continuously monitor and record key parameters such as pressure, temperature, and system performance. Alarms and alerts can be configured to notify operators or maintenance personnel in case of abnormal conditions or potential issues with the compressor.

7. Compliance with Standards and Regulations:

When using screw compressors for medical air supply, it is essential to comply with relevant standards and regulations. These may include medical device regulations, electrical safety standards, and guidelines specific to medical gas systems. Compliance ensures that the medical air supply system meets the necessary safety and quality requirements.

In summary, screw compressors can be used for medical air supply, providing reliable and efficient compressed air for various medical applications. With their reliability, oil-free operation, adherence to air quality standards, integrated drying and filtration capabilities, and the ability to incorporate redundancy and monitoring features, screw compressors are well-suited for medical air supply systems in healthcare facilities.

air compressor

How Does a Screw Compressor Work?

A screw compressor operates based on a unique rotary positive displacement principle. Here’s a detailed explanation:

Working Principle:

A screw compressor consists of two helical rotors, typically referred to as male and female rotors, that rotate in opposite directions within a housing. The rotors have specially designed profiles that interlock with each other, creating a series of compression chambers as they rotate. The compression chambers gradually reduce in volume as the rotors rotate, compressing the air or gas trapped inside.

Suction Process:

The suction process begins when the rotors start rotating. As they rotate, the helical lobes or threads on the rotors create expanding spaces between them. The expanding spaces draw in the air or gas from the inlet port, allowing it to enter the compression chamber. The suction process continues as the rotors rotate, and the expanding spaces move the air or gas towards the discharge side of the compressor.

Compression Process:

As the air or gas enters the compression chamber, it gets trapped between the interlocking lobes or threads of the rotors. As the rotors continue to rotate, the trapped air or gas is carried along the length of the rotors. The volume of the compression chamber gradually decreases as the lobes or threads of the rotors intermesh, compressing the air or gas. The compression process is continuous and smooth as the air or gas moves from the suction side to the discharge side of the compressor.

Discharge Process:

Once the air or gas reaches the discharge end of the compression chamber, it is pushed towards the outlet port. The compressed air or gas is then released from the compressor through the outlet port to be used for various applications.

Oil-Injected and Oil-Free Variants:

Screw compressors are available in both oil-injected and oil-free variants. In oil-injected screw compressors, a small amount of lubricating oil is injected into the compression chamber. The oil provides lubrication, cooling, and sealing between the rotors, reducing friction and minimizing wear. The oil-injected variant is commonly used in industrial applications where a small amount of oil in the compressed air is acceptable.

Oil-free screw compressors, on the other hand, are designed to operate without the need for oil lubrication. These compressors use specialized rotor coatings, such as PTFE (polytetrafluoroethylene) or other non-stick materials, to reduce friction and eliminate the need for oil. Oil-free screw compressors are preferred in applications that require oil-free and contaminant-free compressed air, such as in the food and beverage, pharmaceutical, and electronics industries.

In summary, a screw compressor works by utilizing interlocking helical rotors to compress air or gas. The rotating rotors draw in the air or gas during the suction process, and as they rotate, the trapped air or gas is compressed within the compression chamber. The compressed air or gas is then discharged from the compressor. Screw compressors are available in oil-injected and oil-free variants, catering to different application requirements.

China best High Pressure 400bar Helium Hydrogen Gas Air Screw Diaphragm Compressor   manufacturer China best High Pressure 400bar Helium Hydrogen Gas Air Screw Diaphragm Compressor   manufacturer
editor by CX 2023-10-23

Natural gas screw compressor

As one of the natural gas screw compressor manufacturers, suppliers, and exporters of mechanical products, We offer natural gas screw compressor and many other products.

Please get in touch with us for details.

Manufacturer supplier exporter of natural gas screw compressor.

Recent Posts