Acetylene Compressor Factory in China: Safe, Efficient Solutions from Trusted Suppliers
Acetylene Diaphragm Compressor Advantages
01
Absolute Zero Media Contamination and Zero Leakage
The core of the diaphragm compressor lies in its metal diaphragm, which completely isolates the compression chamber into a gas chamber and an oil chamber. For acetylene, this means 100% physical isolation between the lubricating oil system and the process gas, thoroughly eliminating the risk of oil molecules entering the acetylene gas stream and causing contamination, coking, or potential reactions. Simultaneously, the static seal structure fundamentally eliminates the possibility of external leakage from dynamic sealing points such as shaft seals, ensuring that the highly toxic and flammable acetylene gas does not escape, thereby meeting the strictest environmental and safety standards.
02
Intrinsically Safe Compression Process and Excellent Working Condition Adaptability
The compression method, based on the reciprocating flexure of the diaphragm, involves no sliding friction pairs in contact with the gas, preventing the generation of local hot spots and sparks, and fundamentally reducing the risk of combustion and explosion. This model is insensitive to fluctuations in suction pressure and can easily achieve discharge pressures up to tens of megapascals. It is highly suitable for boosting from low-pressure acetylene sources to high-pressure synthesis or filling processes, providing stable output pressure with no loss of purity.
Key Design Points for Acetylene Diaphragm Compressors
01
Top-Level Explosion-Proof Electrical Configuration
All electrical equipment, including drive motors, instruments, and control components, must meet the explosion-proof requirements for IIC Class, T2 Group. A common explosion-proof rating is Ex d IIC T2, ensuring that the maximum surface temperature of the equipment does not exceed 300°C, far below the auto-ignition temperature of acetylene. A three-layer diaphragm structure is adopted, equipped with a diaphragm rupture pressure switch alarm and automatic shutdown interlock. Once the outer diaphragm ruptures, the abnormal pressure increase in the middle layer immediately triggers protection, preventing oil and gas from mixing.
02
Strict Temperature Control and Material Prohibitions
The discharge temperature at each stage must be strictly controlled within a safe range far below the decomposition temperature of acetylene (305°C). This is typically achieved by optimizing the compression ratio, enhancing inter-stage cooling, and employing air/water cooling systems, along with a high-high discharge temperature shutdown protection. Strict material prohibitions must be enforced: Copper, silver, mercury, and their alloys are strictly forbidden for all wetted parts in contact with acetylene. High-quality stainless steel is typically used and undergoes special degreasing and passivation treatment to prevent the formation of sensitive compounds like "copper acetylide," which can trigger decomposition explosions.
03
Complete Safety Interlocks and System Protection
In addition to diaphragm rupture and over-temperature protection, the system must integrate multiple safety interlocks such as low suction pressure, high discharge pressure, low lubricating oil pressure, and cooling system failure. Any abnormal parameter will trigger an alarm and automatic shutdown. The relief capacity of the safety valves must be strictly calculated to ensure rapid discharge in the event of overpressure. The relieved gas must be tightly sealed and routed to a safe flare or treatment system; local discharge is strictly prohibited. Before startup, the system must be thoroughly purged with an inert gas.
Certificate
Model Selection
ModelG70Z/G95Z/G110Z/G130Z
Piston Stroke70mm~130mm
Maximum Piston Force10KN~30KN
Maximum Discharge Pressure70Mpa
Flow Range1~500Nm³/h
Motor Power2.2KW~30KW
Crankshaft Speed420rpm
Cooling MethodWater Cooled/Air Cooled
ModelG70V/G95V/G130V
Piston Stroke70mm~130mm
Maximum Piston Force10KN~30KN
Maximum Discharge Pressure50Mpa
Flow Range1~200Nm³/h
Motor Power2.2KW~30KW
Crankshaft Speed420rpm
Cooling MethodWater-cooled / Air-cooled
ModelG110L/G130L
Piston Stroke110mm~130mm
Maximum Piston Force20KN~40KN
Maximum Discharge Pressure100Mpa
Flow Range10~1000Nm³/h
Motor Power7.5KW~90KW
Crankshaft Speed420rpm
Cooling MethodWater-cooled / Air-cooled
ModelG110D/G130D/G150D/G180D/G182D/G210D
Piston Stroke110mm~210mm
Maximum Piston Force20KN~160KN
Maximum Discharge Pressure100Mpa
Flow Range30~2000Nm³/h
Motor Power22KW~200KW
Crankshaft Speed420rpm
Cooling MethodWater-cooled / Air-cooled
G
Diaphragm type compressor
Z
Piston stroke 70mm
5
Flow(Nm3/h)
0.5
Inlet pressure(barg)
8
Outlet pressure(barg)
| No. | Model | Cooling water | Flow | Inlet pressure | Outlet pressure | Dimensions L×W×H | Weight | Motor Power |
|---|---|---|---|---|---|---|---|---|
| (L/h) | (Nm³/h) | (MPa) | (MPa) | (≈mm) | (≈kg) | (kW) | ||
| 1 | GZ-5/0.5-8 | 500 | 5 | 0.05 | 0.8 | 1400×740×1240 | 650 | 2.2 |
| 2 | GZ-17/5-25 | 1000 | 17 | 0.5 | 2.5 | 1500×800×1200 | 800 | 7.5 |
| 3 | GZ-60/2.5-14 | 1000 | 60 | 0.25 | 1.4 | 2200×1800×1700 | 2800 | 11 |
| 4 | GV-17/5-25 | 800 | 17 | 0.5 | 2.5 | 1500×800×1200 | 800 | 5.5 |
| 5 | GV-18/0.7-23 | 1000 | 18 | 0.07 | 2.3 | 1600×776×1080 | 900 | 7.5 |
| 6 | GV-48/4-25 | 800 | 48 | 0.4 | 2.5 | 1588×768×1185 | 980 | 11 |
| 7 | GL-25/15 | 1000 | 25 | Atmospheric | 1.5 | 2200×1200×1300 | 1600 | 7.5 |
| 8 | GL-30/10 | 1000 | 30 | Atmospheric | 1 | 2200×1200×1300 | 2000 | 11 |
| 9 | GL-100/4.5-14 | 2000 | 100 | 0.45 | 1.4 | 2400×1300×1300 | 3000 | 18.5 |
| 10 | GD-150/0.2-3 | 4000 | 150 | 0.02 | 0.3 | 3200×1800×1600 | 4000 | 18.5 |
| 11 | GD-250/0.2-15 | 8000 | 250 | 0.02 | 1.5 | 3600×2300×1800 | 6000 | 75 |
| 12 | GD-900/3-15 | 7000 | 900 | 0.3 | 1.5 | 4800×4000×2200 | 16000 | 75 |
The equipment size and weight are for reference only, and the final design shall prevail.
Case Study
Russia
United States
Spain
Kazakhstan
Frequently Asked Questions
Why is zero leakage critical for acetylene diaphragm compressors?
Acetylene is highly flammable, toxic, and chemically unstable. The static seal structure of a diaphragm compressor fundamentally eliminates dynamic sealing leakage points (such as shaft seals), preventing gas escape, ensuring operator safety, and satisfying strict environmental regulations.
What materials are forbidden in acetylene compressors and why?
Copper, silver, mercury, and their alloys are strictly prohibited for all wetted parts in contact with acetylene. These metals can react with acetylene gas to form highly explosive metal acetylides (e.g., copper acetylide), which can detonate spontaneously under minor impact or temperature changes. High-quality passivated stainless steel is used instead.
How is the discharge temperature controlled during compression?
To prevent the spontaneous decomposition of acetylene (which occurs at 305°C), discharge temperatures must be kept strictly within a safe range. This is achieved by optimizing compression ratios, using high-efficiency inter-stage air or water cooling systems, and implementing high-high temperature shutdown interlocks.
What is the purpose of the three-layer diaphragm monitoring system?
The three-layer diaphragm isolates the process gas from the hydraulic oil. If either the gas-side or oil-side diaphragm ruptures, the pressure switch in the intermediate layer immediately detects the pressure change, triggering an alarm and automatic shutdown before oil and gas can mix.
What explosion-proof electrical ratings do these compressors feature?
All electrical components, including drive motors and control instruments, meet the strict explosion-proof requirements for IIC Class, T2 Group (typically Ex d IIC T2). This ensures that the maximum surface temperature of any component never exceeds 300°C, which is safely below acetylene's ignition point.




