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33 years Gas Compressor Experience

Our expertise in hydrogen compression technology has made us the leading provider in China, with over 30 years of experience.

We are proud to have over 2,000 units running successfully in various hydrogen applications, delivering an outstanding combined installed horsepower of over 2 million.

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Types and applications of hydrogen compressors

Hydrogen compressors are generally divided into diaphragm-type and reciprocating (piston-type) compressors.

Hydrogen compressors are widely used in industries such as industrial gases, food and pharmaceuticals, petrochemicals, aerospace and nuclear power, military equipment, and scientific research.

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Supporting Subheading

What is Hydrogen Compressor ？

Hydrogen compressors are designed to pressurize hydrogen gas—often generated from water electrolysis—for storage or utilization in downstream systems. They play a vital role in hydrogen energy applications such as ship engineering, marine power systems, and hydrogen fueling infrastructure.

Hydrogen compressor packages are used to compress the gas to enormous pressures, usually in excess of 15,000 psi, so that it can be stored in usable quantities There are several different types of compressors used to compress hydrogen; the more common of these are piston or metal diaphragm compressors. Collectively, they are known as reciprocating compressors. They are the most commonly used commercial hydrogen compressors.

Compressors are required for the transport and storage of hydrogen. Our hydrogen compressors are available in various versions to support the entire hydrogen energy chain:

  • hydrogen cracking (methanol, natural gas, gas)
  • hydrogen production by water electrolysis
  • hydrogen filling,
  • benzene hydrogenation
  • tar hydrogenation
  • catalytic cracking
  • other hydrogen boosting processes
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Types of Hydrogen Compressor

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Diaphragm Compressor

The core pressurization equipment for hydrogen refueling stations is the diaphragm compressor. The diaphragm fully isolates the cylinder from the oil chamber, and the diaphragm chamber has excellent sealing properties, ensuring the purity of the hydrogen. The working principle involves the diaphragm performing a reciprocating motion during the oil pressure drop, thereby achieving hydrogen compression.

The diaphragm compressors designed and manufactured by MINNUO are divided into four main types: V, Z, D, and L, with 26 series and nearly 900 products in total.

Features

  • Maximum single-unit displacement: 3000 Nm³/h
  • Maximum pressure: 100 MPa
  • Maximum piston force: 250 kN
  • Maximum drive power: 450 kW
  • Long lifespan for diaphragms and wear parts
  • Single-unit output up to 1000 kg/d
  • Low procurement cost, small footprint, low energy consumption
  • High operational safety, no risk of gas leakage due to short-lived wear components

Reciprocating Compressor

The piston-type compressor is driven by a crankshaft and connecting rods, which move the piston up and down to change the cylinder volume, thereby achieving the intake and compression processes. The piston rings serve as seals, and the piston rings inside the cylinder are lubricated by oil.

The piston-type hydrogen compressor manufactured by MINNUO is the most advanced domestically produced reciprocating compressor, incorporating technology from Germany’s MANNES Company. It currently offers four main categories—P, L, D, and M—with 19 series and nearly 700 products.

Features

  • Maximum single-unit displacement: 4000 Nm³/min
  • Maximum pressure: 20 MPa
  • Maximum piston force: 800 kN
  • Maximum drive power: 4500 kW
  • Control: PLC automatic control
  • Drive method: Electric motor
  • Cooling method: Air cooling, water cooling, mixed cooling
  • Installation type: Container skid-mounted, fixed, soundproof cabin-mounted
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Hydrogen Diaphragm Compressor Technology Parameters

Working Principle

The diaphragm hydrogen compressor is an efficient and safe method for compressing hydrogen gas. The basic principle of a diaphragm hydrogen compressor is that it has a flexible membrane between two chambers, with one chamber filled with hydrogen gas and the other pressurized with a non-reactive gas, such as nitrogen.
As the pressure in the nitrogen chamber increases, the flexible membrane stretches and compresses the hydrogen gas in the other chamber, resulting in higher pressure. This higher pressure then allows for the hydrogen gas to be stored or used for a variety of applications.

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Benefits

  1. Diaphragm compressor is a special structure of the volume compressor cylinder without lubrication, sealing performance is good, the compression medium does not contact any lubricant, compression process does not produce any pollution, so the compression purity can reach 99.999%. Especially suitable for high-value rare gas and highly corrosive, toxic and harmful, flammable and explosive, radioactive gas compression, transport, and bottling.

  2. Diaphragm compressor cylinder heat dissipation, simple and efficient structure, two-stage compression can achieve high pressure, but also close to isothermal compression, therefore, it is widely used in the fields of industrial gas, food and medicine, petrochemical industry, aviation nuclear power, military equipment, scientific research and experiment, etc. .

Select Your Model

G1 Small diaphragm compressor

  • Structure: Z, L, P, D-type
  • Lubrication: splash
  • Oil type:compulsory oil supplement
  • Cooling way:water cooled or air cooled
  • Maintenance maximum weight per piece: 80kg
  • Maintenance maximum space: the circle shall be not less than 1 m
Product Model Volumetric Flow Intake Pressure Exhaust Pressure Water Consumption Crankshaft Speed Motor Power Dimension Unit Weight
(Nm³/h) (MPa(G)) (MPa(G)) (L/H) (r/min) (KW) (L×W×H)（MM） (KG)
GZ1-0.01/15-150 0.01 1.5 15 100 225-450 1.1 1200*780*900 400
GZ1-5/13 5 ATM 1.3 200 450 1.5 1100*600*950 400
GZ1-5/13-200 5 1.3 20 200 450 1.5 1100*600*950 400
GP1-50/90-95 50 9 9.5 400 500 3 1200*780*900 400
GP1-6/10 6 ATM 1 600 600 4 1200*780*900 400
GZ1-70/30-35 70 3 3.5 200 400 4 1350×600×950 450
GD1-150/90-95 150 9 9.5 400 600 3 1350×600×950 550
GD1-8.6/0.5-40 8.6 0.05 4 300 600 4 1350×600×950 550
GL1-15/10-220 15 1 22 500 500 3.5 1350*600*950 560
Gl1-20/20-200 20 2 20 500 600 5.5 1350*600*950 560

G2 Medium-sized diaphragm compressor

  • Structure: Z, L, P, D-type
  • Lubrication: splash
  • Oil type:compulsory oil supplement
  • Cooling way:water cooled or air cooled
  • Maintenance maximum weight per piece: 100kg
  • Maintenance maximum space: the circle shall be not less than 1 m
Product Model Volumetric flow Intake pressure Exhaust pressure Water consumption Crankshaft speed Motor power Dimension Unit weight
Nm3/h MPa(G) MPa(G) L/H r/min KW L×W×H(MM) KG
GZ2-10/10-150 10 1 15 400 420 4 1400*850*1150 800
GZ2-15/13 15 ATM 1.3 400 400 4 1400*850*1150 800
GZ2-15/13-200 15 1.3 20 400 400 7.5 1400*850*1150 800
GP2-50/4-10 50 0.4 1 400 430 5.5 1400*850*1150 800
GZ2-12/160-1000 12 16 100 500 400 5.5 1400*850*1150 800
GZ2-120/8-16 120 0.8 1.6 600 400 4 1100*600*950 450
GZ2-100/15-80 100 1.5 8 900 430 11 1400*850*1150 900
GL2-20/200 20 ATM 20 700 400 7.5 1700*850*1150 1100
GL2-30/4-350 30 0.4 35 1000 420 11 1700*850*1150 900
GD2-60/30-400 60 3 40 1000 400 11 1700*850*1150 850

G3 Medium-sized diaphragm compressor

  • Structure: Z, L,V, P, D-type
  • Lubrication: splash
  • Oil type:compulsory oil supplement
  • Cooling way:water cooled or air cooled
  • Maintenance maximum weight per piece: 800kg
  • Maintenance maximum space: the circle shall be not less than 1.5 m
Product Model Volumetric flow Intake pressure Exhaust pressure Water consumption Crankshaft speed Motor power Dimension Unit weight
Nm³/h MPa(G) MPa(G) L/H r/min KW L×W×H（MM） KG
GL3-60/200 600 8.3 8.5 600 300 7.5 2400*2400*2000 3400
GZ3-50/10-150 50 1 15 1000 400 11 2400*1400*2000 3500
GZ3-40/30-400 40 3 40 1000 400 11 2400*2400*2000 3400
GP3-50/3 50 ATM 0.3 1000 450 11 2400*2400*2000 3400
GP3-340/4-10 340 0.4 1 1500 450 18.5 2800*1400*2000 3600
GL3-50/5-160 50 0.5 16 2000 400 30 2800*1600*2000 4200
GL3-80/7-320 80 0.7 32 2500 400 30 2800×1600×2000 4000
GL3-80/4-350 80 0.4 35 2800 400 30 2800*1600*2000 4200
GD3-100/9.5-200 100 0.95 20 2800 420 30 2800*1600*2000 4200
GD3-200/9-120 200 0.9 12 4000 420 45 2800*1600*2000 5500

G4 Medium-sized diaphragm compressor (compact structure)

  • Structure: D-type (two, three, four cylinelers)
  • Lubrication: splash
  • Oil type:compulsory oil supplement
  • Cooling way:water cooled
  • Maintenance maximum weight per piece: 1000kg
  • Maintenance maximum space: the circle shall be not less than 1.5 m
Product Model Volumetric flow Intake pressure Exhaust pressure Water consumption Crankshaft speed Motor power Dimension Unit weight
Nm³/h MPa(G) MPa(G) L/H r/min KW L×W×H（MM） KG
GP4-1175/48-62 1175 4.8 6.2 2500 420 30 3800*2600*1800 8000
GD4-170/0.3-8 170 0.03 0.8 3000 420 37 4000*2850*2000 10800
GD4-90/200 90 ATM 20 3200 430 45 4000*2850*2000 10800
GD4-105/0.1-29 105 0.01 2.9 4000 420 45 3800*2600*2100 10000
GD4-200/0.1-6 200 0.01 0.6 4000 420 45 4200*2600*2100 14000
GD4-150/1.5-150 150 0.15 15 4000 430 55 3800*2600*1800 9000
GD4-200/15-350 200 1.5 35 4600 360 55 3800*2600*1800 9000
GD4-225/9-200 225 0.9 20 5000 420 55 3800*2600*1800 9500
GD4-800/12-40 800 1.2 4 5400 400 75 3800*2600*1800 9200
GD4-570/28-220 570 2.8 22 7500 360 90 4200*2600*2100 14000

G5 Super-large diaphragm compressor

  • Structure: D-type (two, three, four cylinelers)
  • Lubrication: splash
  • Oil type:compulsory oil supplement
  • Cooling way:water cooled
  • Maintenance maximum weight per piece: 1500kg
  • Maintenance maximum space: the circle shall be not less than 1.5 m
Product Model Volumetric flow Intake pressure Exhaust pressure Water consumption Crankshaft speed Motor power Dimension Unit weight
Nm³/h MPa(G) MPa(G) L/H r/min KW L×W×H(MM) KG
GD5-500/6-210 500 0.6 21 10000 420 110 4300*3200*2200 14000
GD5-750/6-210 750 0.6 21 12000 420 160 4300*3200*2200 16000
GD5-750/15-210 750 1.5 21 10000 420 110 4300*3200*2200 14000
GD5-1000/15-210 1000 1.5 21 12000 4200 160 4300*3200*2200 16000
GD5-1250/15-210 1250 1.5 21 15000 450 160 4300*3200*2200 15000
GD5-1000/20-210 1000 2 21 12000 420 160 4300*3200*2200 16000
GD5-750/20-210 750 2 21 11000 420 132 4300*3200*2200 15000
GD5-1250/20-210 1250 2 21 15000 420 160 4300*3200*2200 16000
G1 Small diaphragm compressor
  • Structure: Z, L, P, D-type
  • Lubrication:splash
  • Oil type:compulsory oil supplement
  • Cooling way:water cooled or air cooled
  • Maintenance maximum weight per piece:80kg
  • Maintenance maximum space:the circle shall be not less than 1 m
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Product Model Volumetric Flow Intake Pressure Exhaust Pressure Water Consumption Crankshaft Speed Motor Power Dimension Unit Weight
(Nm³/h) (MPa(G)) (MPa(G)) (L/H) (r/min) (KW) (L×W×H)（MM） (KG)
GZ1-0.01/15-150 0.01 1.5 15 100 225-450 1.1 1200*780*900 400
GZ1-5/13 5 ATM 1.3 200 450 1.5 1100*600*950 400
GZ1-5/13-200 5 1.3 20 200 450 1.5 1100*600*950 400
GP1-50/90-95 50 9 9.5 400 500 3 1200*780*900 400
GP1-6/10 6 ATM 1 600 600 4 1200*780*900 400
GZ1-70/30-35 70 3 3.5 200 400 4 1350×600×950 450
GD1-150/90-95 150 9 9.5 400 600 3 1350×600×950 550
GD1-8.6/0.5-40 8.6 0.05 4 300 600 4 1350×600×950 550
GL1-15/10-220 15 1 22 500 500 3.5 1350*600*950 560
Gl1-20/20-200 20 2 20 500 600 5.5 1350*600*950 560
G2 Medium-sized diaphragm compressor
  • Structure: Z, L, P, D-type
  • Lubrication:Forced lubrication
  • Oil type:compulsory oil supplement
  • Cooling way:water cooled or air cooled
  • Maintenance maximum weight per piece:100kg
  • Maintenance maximum space:No less than 1 meter around 
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Product Model Volumetric flow Intake pressure Exhaust pressure Water consumption Crankshaft speed Motor power Dimension Unit weight
Nm3/h MPa(G) MPa(G) L/H r/min KW L×W×H(MM) KG
GZ2-10/10-150 10 1 15 400 420 4 1400*850*1150 800
GZ2-15/13 15 ATM 1.3 400 400 4 1400*850*1150 800
GZ2-15/13-200 15 1.3 20 400 400 7.5 1400*850*1150 800
GP2-50/4-10 50 0.4 1 400 430 5.5 1400*850*1150 800
GZ2-12/160-1000 12 16 100 500 400 5.5 1400*850*1150 800
GZ2-120/8-16 120 0.8 1.6 600 400 4 1100*600*950 450
GZ2-100/15-80 100 1.5 8 900 430 11 1400*850*1150 900
GL2-20/200 20 ATM 20 700 400 7.5 1700*850*1150 1100
GL2-30/4-350 30 0.4 35 1000 420 11 1700*850*1150 900
GD2-60/30-400 60 3 40 1000 400 11 1700*850*1150 850
G3 Medium-sized diaphragm compressor
  • Structure: Z、L、V、P、D Type
  • Lubrication:Forced lubrication
  • Oil type:Oil replenishment
  • Cooling way:water cooled or air cooled
  • Maintenance maximum weight per piece: 60-70 KG
  • Maintenance maximum space:No less than 1 meter around 
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Product Model Volumetric flow Intake pressure Exhaust pressure Water consumption Crankshaft speed Motor power Dimension Unit weight
Nm³/h MPa(G) MPa(G) L/H r/min KW L×W×H（MM） KG
GL3-60/200 600 8.3 8.5 600 300 7.5 2400*2400*2000 3400
GZ3-50/10-150 50 1 15 1000 400 11 2400*1400*2000 3500
GZ3-40/30-400 40 3 40 1000 400 11 2400*2400*2000 3400
GP3-50/3 50 ATM 0.3 1000 450 11 2400*2400*2000 3400
GP3-340/4-10 340 0.4 1 1500 450 18.5 2800*1400*2000 3600
GL3-50/5-160 50 0.5 16 2000 400 30 2800*1600*2000 4200
GL3-80/7-320 80 0.7 32 2500 400 30 2800×1600×2000 4000
GL3-80/4-350 80 0.4 35 2800 400 30 2800*1600*2000 4200
GD3-100/9.5-200 100 0.95 20 2800 420 30 2800*1600*2000 4200
GD3-200/9-120 200 0.9 12 4000 420 45 2800*1600*2000 5500
G4 Medium-sized diaphragm compressor (compact structure)
  • Structure: D Type (Two cylinders, Three cylinders,Four cylinders）
  • Lubrication:Forced lubrication
  • Oil type:Forced Oil Replenishment
  • Cooling way:Water cooling
  • Maintenance maximum weight per piece:1000 KG
  • Maintenance maximum space:No less than 1.5 meters around
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Product Model Volumetric flow Intake pressure Exhaust pressure Water consumption Crankshaft speed Motor power Dimension Unit weight
Nm³/h MPa(G) MPa(G) L/H r/min KW L×W×H（MM） KG
GP4-1175/48-62 1175 4.8 6.2 2500 420 30 3800*2600*1800 8000
GD4-170/0.3-8 170 0.03 0.8 3000 420 37 4000*2850*2000 10800
GD4-90/200 90 ATM 20 3200 430 45 4000*2850*2000 10800
GD4-105/0.1-29 105 0.01 2.9 4000 420 45 3800*2600*2100 10000
GD4-200/0.1-6 200 0.01 0.6 4000 420 45 4200*2600*2100 14000
GD4-150/1.5-150 150 0.15 15 4000 430 55 3800*2600*1800 9000
GD4-200/15-350 200 1.5 35 4600 360 55 3800*2600*1800 9000
GD4-225/9-200 225 0.9 20 5000 420 55 3800*2600*1800 9500
GD4-800/12-40 800 1.2 4 5400 400 75 3800*2600*1800 9200
GD4-570/28-220 570 2.8 22 7500 360 90 4200*2600*2100 14000
G5 Super-large diaphragm compressor
  • Structure: D Type  (Two cylinders, Three cylinders, Four Cylinders or Six Cylinders )
  • Lubrication:Forced Lubrication
  • Oil type:Forced oil replenishment
  • Cooling way:Water cooling
  • Maintenance maximum weight per piece:5000 KG
  • Maintenance maximum space:No less than 2.5 meters around
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Product Model Volumetric flow Intake pressure Exhaust pressure Water consumption Crankshaft speed Motor power Dimension Unit weight
Nm³/h MPa(G) MPa(G) L/H r/min KW L×W×H(MM) KG
GD5-500/6-210 500 0.6 21 10000 420 110 4300*3200*2200 14000
GD5-750/6-210 750 0.6 21 12000 420 160 4300*3200*2200 16000
GD5-750/15-210 750 1.5 21 10000 420 110 4300*3200*2200 14000
GD5-1000/15-210 1000 1.5 21 12000 4200 160 4300*3200*2200 16000
GD5-1250/15-210 1250 1.5 21 15000 450 160 4300*3200*2200 15000
GD5-1000/20-210 1000 2 21 12000 420 160 4300*3200*2200 16000
GD5-750/20-210 750 2 21 11000 420 132 4300*3200*2200 15000
GD5-1250/20-210 1250 2 21 15000 420 160 4300*3200*2200 16000

Case Project

2000Nm³/h hydrogen production and delivery integration project

20MPA Hydrogen Compressor

3000Nm³/h Coal to Hydrogen Project

Hydrogen Filling Diaphragm Compressor Project

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