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Reliable, Contamination-Free Gas Compression

Engineered for sensitive and high-purity gas applications, delivering leak-free, oil-free compression for industrial, chemical, and energy processes.
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Diaphragm Gas Compressor

Full Industry Chain & Complete Lifecycle

From R&D to After-Sales Service, covering the entire process:

R&D → Engineering → Casting → Machining → Welding → Assembly → Testing → Installation → Commissioning → Startup → Training → Maintenance → After-Sales Service (SAV)

  • R&D
  • Engineering
  • Casting
  • Machining
  • Welding
  • Assembly
  • Testing
  • Installation+Commissioning+Startup+Traning
  • Maintenance + Service After Sales (SAV)

We provide fully integrated, end-to-end industrial solutions covering the entire product lifecycle. From initial R&D and engineering design to manufacturing processes such as casting, machining, welding, and assembly, we ensure strict quality control at every stage. Each product then undergoes comprehensive testing before delivery.

 

Our services continue beyond manufacturing, including installation, commissioning, start-up support, operator training, preventive maintenance, and responsive after-sales service (SAV). This complete value chain ensures reliable performance, long service life, and maximum operational efficiency for our customers worldwide.

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Feature

  • API Compliant
    Fully meets international API standards for reliability and performance.
  • Customized Solutions
    Tailor-made configurations to meet specific industry or project requirements.
  • Zero Leakage
    Diaphragm design ensures leak-free operation for sensitive and high-purity gases.
  • Ultra-High Purity Gas Compatibility
    Suitable for 6N–7N (99.9999–99.99999%) ultra-high purity gas applications.

Standard

Specific Model Parameter Table

Typical Parameters of Diaphragm Compressors

 

Modek Volume Flow
(Nm³/h)		 Inlet Pressure
( Mpa(G) )		 Discharge Pressure
( Mpa(G) )		 Weight
(kg)		 Application Areas
DHD-1000/16-220 1000 1.4～1.8 22.0 15000 Hydrogen Filling
DHD-500/16-220 500 1.4～1.8 22.0 11000 Hydrogen Filling
DHD-1000/125-450 1000 5～20 45.0 12000 Hydrogen Fueling Station
DHD-500/125-450 500 5～20 45.0 10000 Hydrogen Fueling Station
DHD-200/0.2-15 200 0.02 1.5 17000 Technological Process
DHD-1450/11-25 1450 1.1 2.5 9500 Technological Process
DHD-250/2-30 250 0.2 3.0 10500 Technological Process
DHD-300/10-250 300 1.0 25.0 9400 Gas Filling

Partial Parameters of DH1&DH2&DH3 Series-Medium & Small-size Diaphragm Compressor

 

Modek Volume Flow
(Nm³/h)		 Inlet Pressure
( Mpa(G) )		 Discharge Pressure
( Mpa(G) )		 Weight
(kg)		 Application Areas
DHL-16/0.02-5 16 0.002 0.5 Alkanes Exhaust Technological Process
DHZ-9/1-3 9 0.1 0.3 Hexafluoropropane
DHL-10/2-200 10 0.2 20.0 Krypton Xenon Gas Filling
DHL-32/1-24.5 32 0.1 2.45 Carbon Dioxide Technological Process
DHZ-150/12-200 150 1.2 20.0 Carbon Oxide Gas Filling
DHZ-40/7-65 40 0.7 6.5 Hydrogen Chloride
DHL-15/0.1-200 15 0.01 20.0 Neon

Partial Parameters of DH5 Series-Large-medium-size Diaphragm Compressor

 

Modek Volume Flow
(Nm³/h)		 Inlet Pressure
( Mpa(G) )		 Discharge Pressure
( Mpa(G) )		 Weight
(kg)		 Application Areas
DHD-500/16-220 500 1.4～1.8 22.0 Hydrogen Gas Filling
DHD-500/125-450 500 5～20 45.0 Hydrogen Hydrogen Fueling Station
DHD-100/0.1-15 100 0.01 1.5 Phosphorus Pentafluoride TechnologicalProcess

DH7 Series Diaphragm Compressor-Large-size Diaphragm Compressor

 

Modek Volume Flow
(Nm³/h)		 Inlet Pressure
( Mpa(G) )		 Discharge Pressure
( Mpa(G) )		 Weight
(kg)		 Application Areas
DHD-1000/16-220 1000 1.4～1.8 22.0 Hydrogen Gas Filling
DHD-1000/125-450 1000 5～20 45.0 Hydrogen Hydrogen Fueling Station
DHD-600/1-5 600 0.1 0.5 Hydrogen Chloride TechnologicalProcess

Industry & Application

Rare Gas Filling

Safe, oil-free compression for helium, neon, argon, and other rare gases.

Research & Laboratory Equipment

High-purity gas supply for experimental setups and lab-scale studies.

Process Pilot & Small-Scale Units

Reliable gas compression for pilot plants and small flow processes.

Gas Filling & Hydrogen Stations

Oil-free, leak-free compression for CNG, hydrogen refueling, and specialty gas filling.

Photovoltaic & Polysilicon Industry

High-purity gas supply for semiconductor and multi-crystalline silicon production.

Fluorochemical Industry

Safe, leak-free compression of aggressive and high-purity fluorinated gases.

After-Sales Service capability

After-sales Service Personnel Own authorized service engineers trained by ARIEL, DRESSER RAND, COOPER for compressors and CATERPILLAR, WAUKESHA for engines.

Electrical Engineers CompEx certified, and qualified to work in explosion protection areas.

Howden full series.

After-Sales Service Scope