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China Oxygen Compressor Factory - Oil-Free, Safe & Pure Solutions from Reliable Suppliers

Introducing our advanced compressor specifically engineered for compressing highly reactive oxygen. Our factory utilizes oil-free lubrication and special anti-corrosion materials, including stainless steel and phosphor bronze, to mitigate the risks associated with oil-related combustion and explosions. Designed to withstand high temperatures and humidity, our compressors offer unparalleled safety and purity, With an innovative oil-free self-lubricating system and labyrinth non-contact seals, our compressors achieve zero-contamination and zero-leakage compression across a wide pressure range of 0.6–15MPa, ensuring 100% gas purity, As a leading supplier in China, we are committed to providing reliable solutions for safety-critical industries, including medical treatment, metallurgy, and chemical engineering, guaranteeing confidence in your operations

    Oxygen Diaphragm Compressor Advantages
    • 01
      Absolutely Oil-Free & Ultimate Purity Assurance
      The structure of the diaphragm compressor ensures that oxygen is 100% free from contact with any lubricating oil during compression, perfectly complying with the absolute oil prohibition rule for oxygen compression. This not only prevents violent oxidation reactions and explosion risks but also guarantees the purity of the outlet oxygen, making it particularly suitable for medical oxygen generation, high-purity oxygen preparation, and fine chemical processes with stringent oil-free requirements.
    • 02
      Zero Leakage Static Seal Safety
      Utilizing static seal structures such as diaphragm isolation and O-rings, zero leakage from the gas side to the environment is achieved. This is crucial for preventing the accumulation of oxygen in the compressor room, which could create an oxygen-enriched environment (an oxygen concentration >23% significantly increases fire risk), providing the highest level of safety protection for operators and equipment.
    Key Design Points for Oxygen Diaphragm Compressors
    • 01
      Special Material Selection & Strict Degreasing Treatment
      All wetted parts in contact with oxygen, such as the cylinder head, diaphragm, gas valves, and piping, must be made of materials that are oxidation-resistant, low-friction, and do not produce dangerous reactions through incompatibility. Stainless steel (e.g., 304, 316L) or nickel-based alloys are typically selected. Before manufacturing and assembly, all components must undergo thorough degreasing cleaning to remove any grease residue. This is fundamental for preventing auto-ignition incidents.
    • 02
      Diaphragm Safety Monitoring & Redundant Design
      A three-layer diaphragm structure is adopted, integrated with a diaphragm rupture alarm system. Once an outer diaphragm is damaged, the pressure change in the middle layer immediately triggers a pressure switch, producing an audible and visual alarm and automatically initiating an interlock shutdown. This prevents oxygen from entering the oil system or hydraulic oil from contaminating the gas, forming a critical safety barrier.
    • 03
      Optimized Oil Circuit & Cooling System Design
      The precise hydraulic oil circuit system must ensure stable oil pressure that is always slightly higher than the gas pressure to protect the diaphragm and ensure compression efficiency. Simultaneously, efficient inter-stage coolers and an after-cooler must be configured to strictly control the discharge temperature at each stage, preventing excessive temperature rise of the oxygen that could exacerbate material oxidation risks or become an ignition source. The cooling system typically needs to be equipped with flow and temperature monitoring and interlock protection.
    Certificate
    eac
    ce
    iso
    iso2033
    atex
    Model Selection
    GZ Model
    ModelG70Z/G95Z/G110Z/G130Z
    Piston Stroke70mm~130mm
    Maximum Piston Force10KN~30KN
    Max Discharge Pressure70Mpa
    Flow Range1~500Nm³/h
    Motor Power2.2KW~30KW
    Crankshaft Speed420rpm
    Cooling MethodWater Cooled/Air Cooled
    GV Model
    ModelG70V/G95V/G130V
    Piston Stroke70mm~130mm
    Maximum Piston Force10KN~30KN
    Max Discharge Pressure50Mpa
    Flow Range1~200Nm³/h
    Motor Power2.2KW~30KW
    Crankshaft Speed420rpm
    Cooling MethodWater-cooled / Air-cooled
    GL Model
    ModelG110L/G130L
    Piston Stroke110mm~130mm
    Maximum Piston Force20KN~40KN
    Max Discharge Pressure100Mpa
    Flow Range10~1000Nm³/h
    Motor Power7.5KW~90KW
    Crankshaft Speed420rpm
    Cooling MethodWater-cooled / Air-cooled
    GD Model
    ModelG110D/G130D/G150D/G180D/G182D/G210D
    Piston Stroke110mm~210mm
    Maximum Piston Force20KN~160KN
    Max Discharge Pressure100Mpa
    Flow Range30~2000Nm³/h
    Motor Power22KW~200KW
    Crankshaft Speed420rpm
    Cooling MethodWater-cooled / Air-cooled
    G
    Diaphragm type compressor
    Z
    Piston stroke 70mm
    12
    Flow(Nm3/h)
    30
    Inlet pressure(barg)
    70
    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-12/(30-50)-70 1000 12 3-5 7 1400×850×1320 900 7.5
    2 GZ-15/6-30 1000 15 0.6 3 1400×850×1320 900 11
    3 GZ-35/7-20 1000 35 0.7 2 1400×850×1320 1000 11
    4 GV-18/(13-20)-200 1000 18 1.3~2 20 1250×900×1200 1020 11
    5 GV-8/6-150 800 8 0.6 15 2200×1650×1450 1000 7.5
    6 GV-30/16-200 1500 30 1.6 20 2600×1800×1700 3000 15
    7 GV-30/(7-18)-300 2000 30 0.7-1.8 30 2600×1800×1700 3000 18.5
    8 GV-40/50-500 2000 40 5 50 2600×1800×1700 3000 22
    9 GD-100/(0.25-4)-350 8000 100 0.025-0.4 35 4000×2300×2000 5000 75
    10 GD-60/(5-10)-350 6000 60 0.5-1 35 3200×2300×1500 4000 55
    11 GD-100/17-400 7000 100 1.7 40 3600×2300×1800 6000 55
    12 GD-300/8-200 12000 300 0.8 20 4000×2300×2000 10000 132
    The equipment size and weight are for reference only, and the final design shall prevail.
    Case Study
    Russia Case Study
    Russia
    United States Case Study
    United States
    Spain Case Study
    Spain
    Kazakhstan Case Study
    Kazakhstan
    Frequently Asked Questions (FAQ)
    Oxygen is a highly reactive gas. Under pressurized conditions, contact with even trace amounts of lubricating oil or grease can cause violent oxidation reactions, leading to severe explosions. An oil-free design ensures total process safety and gas purity.
    Standard dynamic seals may allow minor gas bypass. By using static seals with diaphragm isolation and O-rings, zero leakage is maintained. This prevents oxygen from accumulating in the compressor room and creating an oxygen-enriched environment (>23% concentration), which dramatically increases fire risks.
    Components such as cylinder heads, diaphragms, and valves are manufactured from oxidation-resistant, low-friction materials like stainless steel (e.g., 304, 316L) or nickel-based alloys. Furthermore, all parts undergo strict degreasing cleaning before assembly to remove any auto-ignition risk.
    These compressors feature a three-layer diaphragm design integrated with a rupture alarm. If a layer is damaged, pressure changes in the middle layer immediately trigger a pressure switch, sounding an alarm and initiating an automatic interlock shutdown to prevent contamination.
    High temperatures can exacerbate oxidation and become ignition sources. To prevent this, the compressors are equipped with efficient inter-stage coolers, after-coolers, and continuous temperature/flow monitoring systems that automatically shut down the unit if limits are exceeded.
    Yes, depending on the model, site conditions, and specific flow requirements, models can be configured with either water-cooled or air-cooled systems to ensure optimal thermal management.