Diaphragm compressor
Why Choose Huayan Diaphragm Compressors?
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100% Zero Contamination Guarantee
Double O-ring cylinder head sealing and diaphragm isolation design ensure complete separation of gas and oil — providing absolutely pure oil-free compression for sensitive applications.
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Near-Isothermal Compression with Superior Heat Dissipation
Excellent cylinder heat dissipation capability makes the compression process nearly isothermal, achieving higher compression ratios with lower discharge temperatures for better safety.
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Expert in Handling Hazardous and Precious Gases
Designed specifically for flammable, explosive, toxic, corrosive, radioactive, and high-purity gases, suitable for hydrogen fuel, semiconductor, nuclear power, and other fields.
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Skid-Mounted Integrated Design for Easy Installation
All components are integrated onto a skid-mounted base — compact structure, convenient transportation, quick on-site installation, and simple routine maintenance.
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Maximum Discharge Pressure of 100 MPa
Diaphragm compressors can achieve a discharge pressure of up to 100 MPa, with a single-stage pressure ratio as high as 13 depending on the gas medium — delivering outstanding performance in ultra-high-pressure applications.
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Automatic Diaphragm Rupture Alarm for Safer Operation
Advanced diaphragm monitoring with automatic rupture alarm, direction-independent installation for quick replacement, minimizing downtime to the greatest extent.
Product Features and Advantages
Zero Contact with Media, No Compromise on Purity
During operation of the Diaphragm Compressor, the gas is tightly sealed by the diaphragm on one side of the compression chamber, completely isolated from oil and mechanical components. The entire compression process is oil-free and contamination-free, meeting the strict quality requirements of high-purity gases, electronic-grade gases, and specialty gases.
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Unique Sealing Structure, Controllable Micro-Leakage
The diaphragm serves as both the sealing element and the compression component. The compression chamber adopts a fully static seal design with minimal dynamic sealing points, structurally suppressing gas leakage. It offers inherent low-leakage advantages for gases prone to escape such as helium and hydrogen, as well as toxic gases like hydrogen sulfide.
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Excellent Compression Heat Management, Suitable for Heat-Sensitive Media
The compression chamber has a large surface-to-volume ratio and good heat dissipation, resulting in low gas temperature rise during compression. It can safely handle heat-sensitive and easily decomposable gases such as acetylene, silane, and ethylene, while reducing cooling energy consumption for more economical operation.
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Smooth and Quiet Operation, Flexible Deployment
With fewer moving parts and well-balanced inertial forces, the vibration and noise levels during operation are significantly better than those of reciprocating compressors at the same level. No heavy foundation is required, allowing flexible deployment in laboratories, clean workshops, precision instrument areas, and other environmentally sensitive locations.
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Strong Multi-Stage Boosting Capability, Covering High to Ultra-High Pressure
A single stage can achieve a relatively high compression ratio, and through multi-stage series connection, it can stably deliver ultra-high-pressure gas. It is widely used in cylinder filling, ultra-high-pressure reactions, and pneumatic-hydraulic energy storage applications that require high-purity gas at high pressure.
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Few Wearing Parts, Optimized Lifecycle Cost
The diaphragm is the only core wearing part — simple in structure and easy to replace. Other moving components experience light loads and slow wear, resulting in long overhaul intervals. The overall operation and maintenance cost over the full equipment lifecycle is significantly lower than that of traditional piston compressors.
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Select Your Model
GD type Diaphragm compressor
| Model | G110D/G130D/G150D/G180D/G182D/G210D |
| Piston stroke | 110mm~210mm |
| Max. piston force | 20KN~160KN |
| Max. discharge pressure | 100Mpa |
| Flow range | 30~2000 Nm³/h |
| Motor power | 22KW~200KW |
| Crankshaft speed | 420rpm |
| Cooling method | water-cooled / air-cooled |
GL type Diaphragm compressor
| Model | G110L/G130L |
| Piston stroke | 110mm, 130mm |
| Max. piston force | 20KN~40KN |
| Max. discharge pressure | 100Mpa |
| Flow range | 10~1000 Nm³/h |
| Motor power | 7.5KW~90KW |
| Crankshaft speed | 420rpm |
| Cooling method | water-cooled / air-cooled |
GV type Diaphragm compressor
| Model | G70V/G95V/G130V |
| Piston stroke | 70mm~130mm |
| Max. piston force | 10KN~30KN |
| Max. discharge pressure | 50Mpa |
| Flow range | 1~200 Nm³/h |
| Motor power | 2.2KW~30KW |
| Crankshaft speed | 420rpm |
| Cooling method | water-cooled / air-cooled |
GZ type Diaphragm compressor
| Model | G70Z/G95Z/G110Z/G130Z |
| Piston stroke | 70mm~130mm |
| Max. piston force | 10KN~30KN |
| Max. discharge pressure | 70Mpa |
| Flow range | 1~500 Nm³/h |
| Motor power | 2.2KW~30KW |
| Crankshaft speed | 420rpm |
| Cooling method | water-cooled / air-cooled |
Specific applications include
1.Oil Industry
Refinery hydrogenation, hydrogen recycling, and oilfield gas boosting. Zero-leakage design ensures safe handling of flammable gases.
2.Chemical Industry
Small to medium hydrogenation units, fluorochemical reactions, polysilicon hydrogenation, and waste gas recovery. Handles toxic and corrosive gases such as hydrogen, CO, and H₂S.
3.Natural Gas Industry
Gas boosting, cylinder filling, and CNG stations. Oil-free compression maintains gas purity; static seal prevents leakage.
4.Food Industry
Oil-free pressurized supply of N₂, CO₂ for modified atmosphere packaging, beverage filling, and inert gas protection, meeting food safety standards.
5.Industrial Applications
Compression and high-pressure cylinder filling (15~20MPa) of N₂, O₂, Ar, He, providing high-purity gas for metal processing and welding.
6.Pharmaceutical Industry
Oil-free delivery of high-purity and specialty gases with purity up to 99.999%+, meeting pharmaceutical cleanliness requirements.
7.Hydrogen Energy
Core equipment for hydrogen refueling stations. Discharge pressure 25~100MPa, capacity 2~2,500 kg/day. Used for hydrogen boosting, storage filling, and dispensing.
Refinery hydrogenation, hydrogen recycling, and oilfield gas boosting. Zero-leakage design ensures safe handling of flammable gases.
2.Chemical Industry
Small to medium hydrogenation units, fluorochemical reactions, polysilicon hydrogenation, and waste gas recovery. Handles toxic and corrosive gases such as hydrogen, CO, and H₂S.
3.Natural Gas Industry
Gas boosting, cylinder filling, and CNG stations. Oil-free compression maintains gas purity; static seal prevents leakage.
4.Food Industry
Oil-free pressurized supply of N₂, CO₂ for modified atmosphere packaging, beverage filling, and inert gas protection, meeting food safety standards.
5.Industrial Applications
Compression and high-pressure cylinder filling (15~20MPa) of N₂, O₂, Ar, He, providing high-purity gas for metal processing and welding.
6.Pharmaceutical Industry
Oil-free delivery of high-purity and specialty gases with purity up to 99.999%+, meeting pharmaceutical cleanliness requirements.
7.Hydrogen Energy
Core equipment for hydrogen refueling stations. Discharge pressure 25~100MPa, capacity 2~2,500 kg/day. Used for hydrogen boosting, storage filling, and dispensing.
Process Media
1. Inert Gases
Nitrogen, Argon, Helium, Neon, Carbon Dioxide, etc. The Diaphragm Compressor achieves oil-free compression, maintaining high purity of inert gases for protective atmospheres, reactor filling, and high-pressure cylinder charging.
2. Oxidizing Gases
Oxygen, Chlorine, Fluorine, etc. The Diaphragm Compressor isolates the gas from lubricating oil via the diaphragm, preventing contact between oxidizing gases and oil that could cause combustion or explosion, ensuring safe operation.
3. Flammable & Explosive Gases
Hydrogen, Natural Gas, Carbon Monoxide, Acetylene, Ammonia, LPG, Mixed Gases, etc. The Diaphragm Compressor features excellent sealing with extremely low leakage, effectively preventing the escape of flammable and explosive gases. It is widely used in hydrogen refueling stations, CNG stations, and chemical processes.
4. Corrosive Gases
Hydrogen Sulfide, Hydrogen Chloride, Hydrogen Bromide, etc. The Diaphragm Compressor employs corrosion-resistant materials and a static seal design, preventing corrosive gases from contacting the external environment and ensuring equipment and personnel safety.
5. Olefins & Easily Liquefiable Gases
Ethylene, Propylene, Methane, Ethane, Propane, etc. The Diaphragm Compressor features low temperature rise during compression, approaching isothermal compression, which effectively suppresses olefin polymerization and gas liquefaction tendencies for stable and reliable operation.
Nitrogen, Argon, Helium, Neon, Carbon Dioxide, etc. The Diaphragm Compressor achieves oil-free compression, maintaining high purity of inert gases for protective atmospheres, reactor filling, and high-pressure cylinder charging.
2. Oxidizing Gases
Oxygen, Chlorine, Fluorine, etc. The Diaphragm Compressor isolates the gas from lubricating oil via the diaphragm, preventing contact between oxidizing gases and oil that could cause combustion or explosion, ensuring safe operation.
3. Flammable & Explosive Gases
Hydrogen, Natural Gas, Carbon Monoxide, Acetylene, Ammonia, LPG, Mixed Gases, etc. The Diaphragm Compressor features excellent sealing with extremely low leakage, effectively preventing the escape of flammable and explosive gases. It is widely used in hydrogen refueling stations, CNG stations, and chemical processes.
4. Corrosive Gases
Hydrogen Sulfide, Hydrogen Chloride, Hydrogen Bromide, etc. The Diaphragm Compressor employs corrosion-resistant materials and a static seal design, preventing corrosive gases from contacting the external environment and ensuring equipment and personnel safety.
5. Olefins & Easily Liquefiable Gases
Ethylene, Propylene, Methane, Ethane, Propane, etc. The Diaphragm Compressor features low temperature rise during compression, approaching isothermal compression, which effectively suppresses olefin polymerization and gas liquefaction tendencies for stable and reliable operation.