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Diaphragm Compressor Manufacturer

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Diaphragm Compressor

China’s specifications, the most complete model of the diaphragm compressor production base, if the crankshaft connecting rod to allow the piston force to be classified as: 0.5t, 0.7t, 1t, 2t, 4t, 8t piston force of the diaphragm compressor, if the motor power to be classified as: 1.5kW, 3kW, 5.5kW up to 90kW diaphragm compressor, can adapt to different process conditions, a variety of compression media conveying and compression, the highest discharge pressure up to 100MPa.
  • Structure type： Z Type,V Type,D Type, L Type
  • Flow-Rate Range:3~3000Nm3/h
  • Max.Discharge Pressure：14500psi(1000bar)
  • Sound level: 58±2~65±2 dB(A)
  • Max.Piston Force： 250kN
  • Max. drive power： 600hp(450kw)
  • Gas Type： H2、N2、O2、He、Ar、Xe、Ke、HCl、H2S、C2H4、HF、SiF4、SiH4、NF3，etc.
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What is Diaphragm Compressor

Diaphragm compressors are classified from reciprocating compressors.
A diaphragm compressor is a specially constructed volumetric compressor that uses a rotating diaphragm to compress air or gas. The rotating diaphragm helps to deliver air or gas within the compression chamber and applies the required pressure to deliver air in the desired area.
The cylinders are highly sealed, no lubrication is required, and the compressed gas medium avoids contact with any lubricant, so diaphragm compressors can compress gases of very high purity, typically up to 99.999% purity. Diaphragm compressor is especially suitable for the compression, transport, bottling of precious and rare gases, in addition to extremely corrosive, toxic, flammable and explosive, radioactive gases, also suitable for the use of diaphragm compressor.

Diaphragm-Compressor-manufacturer

Why Choose Minnuo Diaphragm Compressor?

Established in 1987, Min Group has been developing and manufacturing industrial diaphragm gas compressors. They are the preferred equipment for high purity, hermetic gas lift compression for hydrogen fuel stations, chemicals, oil, and gas, etc. We have developed H, D, L, V, and Z models and more than 30 product series for intelligent diaphragm gas compression systems.
We can design and manufacture full instrumentation oil-free reciprocating diaphragm gas compression systems according to customer requirements.
Sizes range from 3 hp (2 kW) – 250 hp (186 kW). Output pressures range from 50 psi- 45,000 psi (3,100 bar).

1. High Compression Ratio

Large compression ratio, large compression chamber area, V type compression ratio up to 10:1.

2. Quiet and low maintenance

Less than 85dBA @ 1m without sound enclosure
Easy to maintain and operate, with no oil distribution plate structure, and advanced oil pressure valve

3.High Discharge Pressure

Minnuo diaphragm gas compressor discharge pressures up to 43,511 psi (3,000 bar)

4. Wear-free compression

Three layers of diaphragms completely isolate the gas and hydraulic oil, high purity of the compressed medium, the medium is sealed at rest, completely isolated, completely isolated from sealing particles into the airflow

5. Provide Test Report

Material testing of parts: mechanical property inspection and chemical composition analysis
Kerosene leak test for body
Water pressure test: water pressure test pressure is 1.5 times of the working pressure, and last for more than 30 minutes
Operation test: no-load mechanical operation test and full-load mechanical operation test

6. Quality Control

Conforms to the requirements of the EU Machinery Directive 2006/42/EC. Application standards. din en 1012 part 1, din en 12100 part 1, din en 60204 part 1, etc.
Explosion-proof according to EU Directive 2014/34/EU, if necessary

7. Extended service life

Wear parts life guarantee
Diaphragm: 4000 h    Valve: 4000 h
Life of main parts
Piston rod: 100000h Cylinder head
cylinder block: 120000h Crankshaft: 120000
Connecting rod: 120,000h
Crankcase: 120,000h
Piston ring: 30,000h
Crosshead: 32000h Connecting rod bolt: 16000h
Unit sets test life：20 years

8. Safety Interlock

  • High-pressure protection: when the gas pressure reaches the specified pressure, the diaphragm compressor automatically stops, to play a protective role.
  • Low pressure starts: when the gas pressure is lower than the set pressure, the diaphragm compressor starts to pressurize.
  • Oil pressure protection: equipment lubrication system oil pressure can not be lower than a certain value, when lower than the set value, the equipment alarm, and shutdown.
  • low water pressure protection: when the water pressure is lower than the set value, the equipment alarm, and shutdown, etc.
    PLC control of the equipment

9. Primary and secondary diaphragm rupture alarm

When the diaphragm on the oil or gas side is ruptured, the oil or gas passes through the guide groove of the middle diaphragm and transmits the pressure to the pressure switch, which generates an alarm because the pressure controlled by the pressure switch is much lower than the working oil or air pressure. Replace the ruptured diaphragm in time to avoid accidents.

Select Your Model

01

G1 SERIES DIAPHRAGM COMPRESSOR FEATURES

 


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

No. Product Model Volumetric flow Nm3/h Intake pressure MPa(G) Exhaust pressure MPa(G) Water consumption L/H Crankshaft speed r/min Motor power kW Dimension L*W*H(MM) Unit weight KG
1 GD0-3/200 3 ATM 20 None 750 2.2 600×500×400 200
2 GL1-5/200 5 ATM 20 300 600 3 1350×600×950 550
3 GL1-10/13 10 ATM 1.3 300 600 3 1350×600×950 550
4 GL1-10/13-200 10 1.3 20 300 600 3 1350×600×950 550
5 GL1-5/1-160 5 0.1 16 300 450 3 1350×600×950 550
6 GL1-10/4-160 10 0.4 16 400 600 4 1350×600×950 520
7 GL1-8/2.5-160 8 0.25 16 400 400 3 1350×600×950 520
8 GL1-10/6-160 10 0.6 15 400 400 4 1350×600×950 520
9 GL1-5/6-200 5 0.6 20 300 400 3 1350×600×950 520
10 GL1-10/6-160 10 0.6 16 400 400 4 1350×600×950 520
11 GL1-5/13-400 5 1.3 40 300 400 3 1350×600×950 500
12 GL1-15/10-150 15 1 15 400 450 4 1350×600×950 520
13 GL1-10/7-320 10 0.7 32 400 450 4 1350×600×950 520
14 GL1-5/4-350 5 0.4 35 300 400 3 1350×600×950 520
15 GZ1-5/13 5 ATM 1.3 200 450 1.5 1100×600×950 450
16 GZ1-5/13-200 5 1.3 20 200 450 1.5 1100×600×950 420
17 GZ1-5/30-400 5 3 40 300 400 3 1100×600×950 400
18 GZ1-70/30-35 70 3 3.5 200 400 4 1100×600×950 420
02

G2 SERIES DIAPHRAGM COMPRESSOR FEATURES

 


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

No. Product Model Volumetric flow Nm3/h Intake pressure MPa(G) Exhaust pressure MPa(G) Water consumption L/H Crankshaft speed r/min Motor power kW Dimension L*W*H(MM) Unit weight KG
1 GL2-20/200 20 ATM 20 700 400 7.5 1700×850×1150 1100
2 GL2-40/13 40 ATM 1.3 700 400 7.5 1700×850×1150 1200
3 GL2-40/13-200 40 1.3 20 700 400 7.5 1700×850×1150 1000
4 GL2-25/1-160 25 0.1 16 1000 400 11 1700×850×1150 1100
5 GL2-40/4-160 40 0.4 16 1000 400 11 1700×850×1150 1050
6 GL2-50/7-160 50 0.7 16 1200 400 11 1700×850×1150 1000
7 GL2-40/7-320 40 0.7 32 1200 420 11 1700×850×1150 900
8 GL2-60/12-160 60 1.2 16 1000 360 11 1700×850×1150 900
9 GL2-40/13-400 40 1.3 40 1000 400 11 1700×850×1150 900
10 GL2-30/4-350 30 0.4 35 1000 420 11 1700×850×1150 900
11 GD2-60/30-400 60 3 40 1200 400 11 1700×850×1150 850
12 GL2-15/350 15 0 35 1500 400 18.5 1700×1200×1150 1500
13 GZ2-10/10-150 10 1 15 400 420 4 1400×850×1150 800
14 GZ2-15/13 15 ATM 1.3 400 400 4 1400×850×1150 800
15 GZ2-15/13-200 15 1.3 20 400 400 4 1400×850×1150 750
16 GZ2-40/4-30 40 0.4 3 400 400 4 1400×850×1150 800
17 GZ2-20/30-400 20 3 40 400 400 4 1400×850×1150 700
18 GZ2-12/160-1000 12 16 100 500 400 5.5 1400×850×1150 700
03

G3 SERIES DIAPHRAGM COMPRESSOR
FEATURES

 


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

No. Product Model Volumetric flow Nm3/h Intake pressure MPa(G) Exhaust pressure MPa(G) Water consumption L/H Crankshaft speed r/min Motor power kW Dimension L*W*H(MM) Unit weight KG
1 GL3-60/200 60 ATM 20 1600 400 30 2800×1600×2000 5500
2 GL2-40/13 120 ATM 1.3 1600 400 30 2800×1600×2000 5000
3 GL3-110/20-200 110 2 20 1600 400 30 2800×1600×2000 4000
4 GL3-75/20 75 ATM 2 4000 450 45 2800×1600×2000 5500
5 GL3-50/5-160 50 0.5 16 2000 400 30 2800×1600×2000 4200
6 GL3-150/10-160 150 1 16 3500 360 37 2800×1600×2000 4200
7 GL3-80/7-320 80 0.7 32 2500 400 30 2800×1600×2000 4000
8 GL3-180/12-160 180 1.2 16 3500 360 37 2800×1600×2000 4200
9 GL3-120/13-400 120 1.3 40 3000 400 37 2800×1600×2000 4000
10 GL3-80/4-350 80 0.4 35 3000 400 30 2800×1600×2000 4200
11 GL3-800/300-700 800 30 70 5000 400 55 3600×2400×2000 6000
12 GL3-200/20-200 200 2 20 3000 360 37 2800×1600×2000 4200
13 GZ3-50/10-150 50 1 15 1000 400 11 2400×1400×2000 3500
14 GZ3-60/13 60 ATM 1.3 1000 400 15 2400×1400×2000 3600
15 GZ3-60/13-200 60 1.3 20 1000 400 15 2400×1400×2000 3500
16 GZ3-150/5-30 150 0.5 3 1500 400 18.5 2400×1400×2000 3600
17 GZ3-40/30-400 40 3 40 1000 400 11 2400×1400×2000 3400
18 GZ3-600/83-85 600 8.3 8.5 600 300 7.5 2400×1400×2000 3400
04

G4 SERIES DIAPHRAGM COMPRESSOR FEATURES

 


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

No. Product Model Volumetric flow Nm3/h Intake pressure MPa(G) Exhaust pressure MPa(G) Water consumption L/H Crankshaft speed r/min Motor power kW Dimension L*W*H(MM) Unit weight T
1 GD4-90/200 90 ATM 20 3200 430 45 4000×2850×2000 10.8
2 GD4-100/160 100 ATM 16 3700 430 45 4000×2850×2000 10.8
3 GD4-240/16-300 240 1.6 30 4700 360 55 3800×2600×1800 8.5
4 GD4-240/6-150 240 0.6 15 5000 400 55 3800×2600×1800 9
5 GD4-300/15-210 300 1.5 21 5300 400 75 3800×2600×1800 9.5
6 GD4-800/12-40 800 1.2 4 5400 400 75 3800×2600×1800 9.2
7 GD4-200/15-350 200 1.5 3.5 4600 360 55 3800×2600×1800 9
8 GD4-300/5-52 300 0.5 5.2 4800 430 55 3800×2600×1800 9
9 GD4-870/11-31 870 1.1 3.1 5000 420 55 3800×2850×2000 9.5
10 GD4-240/5-140 240 0.5 14 5000 400 55 3800×2600×1800 9
11 GD4-225/9-200 225 0.9 20 5000 420 55 3800×2600×1800 9.5
12 GD4-300/5-52 300 0.5 5.2 5000 430 55 3800×2600×1800 9.5
13 GD4-280/0.18-5 280 0.018 0.5 4000 420 45 4200×2600×2100 15
14 GD4-240/0,24-6.17 240 0.024 0.617 4000 420 45 4200×2600×2100 14
15 GD4-300/10-250 300 1 25 5500 420 75 3800×2600×1800 9.5
16 GD4-600/1.5-6 600 0.15 0.6 5000 420 55 4200×2600×2100 14
17 GD4-200/0.1-6 200 0.01 0.6 4000 420 45 4200×2600×2100 14
18 GD4-105/0.1-29 105 0.01 2.9 4000 420 45 3800×2600×2100 10
05

G5 SERIES DIAPHRAGM COMPRESSOR FEATURES

 


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

No. Product Model Volumetric flow Nm3/h Intake pressure MPa(G) Exhaust pressure MPa(G) Water consumption L/H Crankshaft speed r/min Motor power kW Dimension L*W*H(MM) Unit weight T
1 GD5-150/200 150 ATM 20 7000 430 90 4400×2850×2200 13
2 GD5-525/6-200 525 0.6 20 12000 400 132 3800×2700×2000 10.8
3 GD5-250/0.3-12 250 0.03 1.2 4700 375 55 4200×2900×1800 14
4 GD5-2900/45-120 2900 4.5 12 13200 429 160 4000×2900×2450 16
5 GD5-9000/78-83 9000 7.8 8.3 3700 450 45 3800×2600×2500 15
6 GD5-1300/45-220 1300 4.5 22 13500 429 160 4000×2900×2450 16
7 GD5-8000/235-250 8000 23.5 25 3800 429 45 3800×2600×2500 15
8 GD5-500/0.8-10 500 0.08 1 6800 429 75 4400×2850×2200 16
9 GD5-500/10-200 500 1 20 12000 400 132 3700×2750×2000 10
10 GD5-550/17-200 550 1.7 20 9500 400 110 3700×2750×2000 10
11 GD5-1080/5-31.5 1080 0.5 3.15 12000 429 132 4400×2850×2200 14
12 GD5-500/0.7-23 500 0.07 2.3 9500 429 110 4400×2850×2200 14
13 GD5-600/15-350 600 1.5 35 12800 429 160 4000×2850×2100 12
14 GD5-4500/185-190 4500 18.5 19 5000 420 45 3800×2600×2500 15
15 GD5-1000/15-180 1000 1.5 18 15000 420 160 4000×2850×2100 12
16 GD5-500/5-50 500 0.5 5 8000 400 90 4000×2600×2100 12
17 GD5-1000/20-180 1000 2 18 12000 420 160 4000×2850×2100 13
18 GD5-800/18-210 800 1.8 21 12000 420 132 4000×2850×2100 13

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Technology Features:

  • The diaphragm compressor body adopts an integral body to reduce the sealing surface and improve processing and assembly accuracy.
  • The charge pump adopts the built-in structure of the crankcase to provide stable hydraulic oil input to the cylinder while avoiding oil leakage.
  • The piston rod and crosshead adopt a floating connection with an automatic centering function.
  • The piston seal adopts German imported hydraulic seal to improve the stability of oil circuit system operation.
  • High-pressure cylinder adopts the oil distribution structure without oil distribution plate sieve, which distributes hydraulic oil more evenly in the cylinder (non-ring groove oil distribution structure), and reduces the difficulty of assembly process and sealing surface.
  • The diaphragm is designed without any openings, which improves the interchangeability and convenience of diaphragm installation and reduces the stress concentration caused by diaphragm openings.
  • The diaphragm leakage alarm can alarm when the diaphragm ruptures or compressed media leaks, improving the reliability of the machine. Leak alarm is equipped with a venting valve for easy operation and maintenance.
  • The regulator/following valve is equipped with an outlet flow sight glass, which makes it easy to observe the operation status of the compressor cylinder oil circuit system.

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Frequently Asked Questions.

A diaphragm compressor is difference with reciprocating compressor. It uses the deformation of the diaphragm to change the volume of the cylinder. Its compression purity can reach 99.999%. Diaphragm compressors are commonly used to compress noble gases or all types of corrosive, radioactive, toxic or explosive gases.

  • The overall structure design is reasonable, and the operation is stable and reliable
  • High degree of automation, easy to operate and maintain
  • Compressed medium leakage alarm, high reliability
  • Improve the life of wearing parts
  • Small vibration and low noise
  • High volumetric efficiency
  • no oil spill

Diaphragm compressors and reciprocating compressors can be either oil-free or oil-lubricated, depending on the specific design and intended application.

 

diaphragm compressors

piston compressors

oily

These types of compressors are often used in applications where oil contamination is not tolerated, such as in the medical, pharmaceutical and food processing industries.

oil-free

These types of compressors are often used in industrial applications where oil contamination is not a concern, such as manufacturing and the automotive industry.

Diaphragm gas compressors have higher efficiency. Depending on the suction pressure and the medium being compressed, efficiencies can range from 80% to 85% (compared to 65% to 75% for unlubricated piston compressors).



Diaphragm compressors rely on the reciprocating movement of the diaphragm in the cylinder to compress and deliver gas. The diaphragm is clamped by two limiting plates along the periphery to form a cylinder, and the diaphragm is driven to reciprocate in the cylinder by mechanical or hydraulic pressure, so as to realize the compression and delivery of gas.

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  • +86 18115293676
  • contact@mncompressor.com

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