Oxygen Compressor from China Suppliers - Oil-Free, High Purity, Safe Factory Solutions for Reactive Oxygen Applications
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
Model Selection
GZ Series
| Model | G70Z / G95Z / G110Z / G130Z |
| Piston Stroke | 70mm ~ 130mm |
| Max Piston Force | 10KN ~ 30KN |
| Max Discharge Pressure | 70Mpa |
| Flow Range | 1 ~ 500 Nm³/h |
| Motor Power | 2.2KW ~ 30KW |
| Crankshaft Speed | 420rpm |
| Cooling Method | Water / Air Cooled |
GV Series
| Model | G70V / G95V / G130V |
| Piston Stroke | 70mm ~ 130mm |
| Max Piston Force | 10KN ~ 30KN |
| Max Discharge Pressure | 50Mpa |
| Flow Range | 1 ~ 200 Nm³/h |
| Motor Power | 2.2KW ~ 30KW |
| Crankshaft Speed | 420rpm |
| Cooling Method | Water / Air Cooled |
GL Series
| Model | G110L / G130L |
| Piston Stroke | 110mm ~ 130mm |
| Max Piston Force | 20KN ~ 40KN |
| Max Discharge Pressure | 100Mpa |
| Flow Range | 10 ~ 1000 Nm³/h |
| Motor Power | 7.5KW ~ 90KW |
| Crankshaft Speed | 420rpm |
| Cooling Method | Water / Air Cooled |
GD Series
| Model | G110D / G130D / G150D / G180D / G182D / G210D |
| Piston Stroke | 110mm ~ 210mm |
| Max Piston Force | 20KN ~ 160KN |
| Max Discharge Pressure | 100Mpa |
| Flow Range | 30 ~ 2000 Nm³/h |
| Motor Power | 22KW ~ 200KW |
| Crankshaft Speed | 420rpm |
| Cooling Method | Water / Air Cooled |
Model Naming Nomenclature Example:
G Diaphragm type compressor
Z Piston stroke 70mm
12 Flow (Nm³/h)
30-50 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
United States
Spain
Kazakhstan
Frequently Asked Questions (FAQ)
Why is an absolutely oil-free compressor required for oxygen compression?
Oxygen is a highly reactive gas. Under pressure, contact with any hydrocarbon-based lubricating oil can cause violent oxidation, leading to ignition or catastrophic explosions. An oil-free diaphragm design physically separates the gas chamber from the lubrication system, ensuring absolute safety and gas purity.
How does a static seal design prevent dangerous gas accumulation?
Diaphragm compressors utilize static seals like metal diaphragms and O-rings instead of dynamic seals. This guarantees zero gas leakage into the compressor room, preventing the formation of an oxygen-enriched environment (concentration >23%), which would otherwise act as a severe fire hazard.
What materials are compatible with oxygen diaphragm compression?
All wetted parts in contact with oxygen must be oxidation-resistant and low-friction. Standard materials include high-grade stainless steels (such as 304 and 316L) or nickel-based alloys. Furthermore, all components undergo strict degreasing treatment before assembly to eliminate organic residues.
How does the diaphragm rupture alarm protect the system?
The compressor features a three-layer diaphragm structure. If any layer fails, the pressure change in the intermediate cavity is immediately sensed by a pressure switch. This triggers an audible/visual alarm and an automatic interlock shutdown, preventing cross-contamination between gas and hydraulic oil.
Why is the cooling system design critical for oxygen compressors?
High temperatures accelerate oxidation and can trigger auto-ignition. Efficient inter-stage and after-coolers are integrated to strictly regulate discharge temperatures. These systems feature real-time flow and temperature monitoring with interlock shut-offs to ensure operation stays within safe thermal limits.