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An oxygen booster compressor is a specialized gas compression system designed to safely increase the pressure of oxygen from a relatively low inlet pressure to a high discharge pressure.
For this configuration, the unit takes in oxygen at 4 bar (typically from a liquid oxygen vaporizer or low-pressure pipeline) and compresses it to 150 bar, enabling high-pressure oxygen filling, industrial processes, and specialized applications.
Due to oxygen’s strong oxidizing properties, these compressors are built with oil-free technology, oxygen-compatible materials (such as stainless steel, PTFE, and copper alloys), and explosion-proof designs to ensure absolute safety during operation.
Model No. | Flow rate (N m³/h) | Inlet pressure (Mpa) | Exhaust pressure (Mpa) | Power (kW) | Cylinder bore | Inlet connection size | Outlet connection sizes | Overall dimension (mm) | Weight (kg) | Speed (r/min) |
| RKWWY-5/4-150 | 5 | 0.4 | 15 | 4 | Ø50+Ø30+Ø20 | Rc 1/2 | G5/8 | 1350X1000X1100 | 400 | 470 |
| RKWWY-10/4-150 | 10 | 0.4 | 15 | 5.5 | Ø65+Ø36+Ø20 | Rc 1/2 | G5/8 | 1350X1000X1100 | 410 | 470 |
| RKWWY-15/4-150 | 15 | 0.4 | 15 | 7.5 | Ø65+Ø36+Ø20 | Rc 1/2 | G5/8 | 1350X1000X1100 | 420 | 640 |
| RKWWY-20/4-150 | 20 | 0.4 | 15 | 1 1 | Ø70+Ø36+Ø20 | Rc 1/2 | G5/8 | 1350X1000X1100 | 430 | 580 |
| RKWWY-25/4-150 | 25 | 0.4 | 15 | 1 1 | Ø70+Ø36+Ø20 | Rc 1/2 | G5/8 | 1350X1000X1100 | 430 | 640 |
| RKWWY-30/4-150 | 30 | 0.4 | 15 | 15 | Ø90+Ø50+Ø30 | Rc 1/2 | G5/8 | 1350X1000X1100 | 450 | 470 |
| RKWWY-35/4-150 | 35 | 0.4 | 15 | 15 | Ø90+Ø50+Ø30 | Rc 1/2 | G5/8 | 1350X1000X1100 | 450 | 500 |
| RKWWY-40/4-150 | 40 | 0.4 | 15 | 15 | Ø90+Ø50+Ø30 | Rc 1/2 | G5/8 | 1350X1000X1100 | 450 | 580 |
| RKSWY-45/4-150 | 45 | 0.4 | 15 | 18.5 | 2-Ø70+ Ø50+Ø30 | Rc 1/2 | G5/8 | 1450X1100X1250 | 520 | 580 |
| RKSWY-50/4-150 | 50 | 0.4 | 15 | 18.5 | 2-Ø70+ Ø50+Ø30 | Rc 1/2 | G5/8 | 1450X1100X1250 | 520 | 580 |
| RKSWY-55/4-150 | 55 | 0.4 | 15 | 18.5 | 2-Ø70+ Ø50+Ø30 | Rc 1 | G5/8 | 1450X1100X1250 | 520 | 640 |
| RKSWY-60/4-150 | 60 | 0.4 | 15 | 22 | 2-Ø70+ Ø50+Ø30 | Rc 1 | G5/8 | 1450X1100X1250 | 540 | 720 |
| RKSWY-65/4- 150 | 65 | 0.4 | 15 | 22 | 2- Φ70+ Φ50+ Φ30 | Rc 1 | G5/8 | 1450*1100*1250 | 540 | 720 |
| RKSWY-70/4- 150 | 70 | 0.4 | 15 | 22 | 2- Φ70+ Φ50+ Φ30 | Rc 1 | G5/8 | 1450*1100*1250 | 540 | 720 |
| RKWWY-75/4- 150- Ⅱ | 75 | 0.4 | 15 | 15*2 | (Φ90+ Φ50+ Φ30)*2 | Rc 1 | G5/8 | 2800*1250*1200 | 1060 | 580 |
| RKWWY-80/4- 150- Ⅱ | 80 | 0.4 | 15 | 15*2 | (Φ90+ Φ50+ Φ30)*2 | Rc 1 | G5/8 | 2800*1250*1200 | 1060 | 580 |
| RKWWY-85/4- 150- Ⅱ | 85 | 0.4 | 15 | 15*2 | (Φ90+ Φ50+ Φ30)*2 | Rc 1 | G5/8 | 2800*1250*1200 | 1060 | 580 |
| RKSWY-90/4- 150- Ⅱ | 90 | 0.4 | 15 | 18.5*2 | (2- Φ70+ Φ50+ Φ30)*2 | Rc 1 | G5/8 | 2900*1320*1300 | 1260 | 580 |
| RKSWY-95/4- 150- Ⅱ | 95 | 0.4 | 15 | 18.5*2 | (2- Φ70+ Φ50+ Φ30)*2 | Rc 1 | G5/8 | 2900*1320*1300 | 1260 | 580 |
| RKSWY- 100/4- 150- Ⅱ | 100 | 0.4 | 15 | 18.5*2 | (2- Φ70+ Φ50+ Φ30)*2 | Rc 1 | G5/8 | 2900*1320*1300 | 1260 | 580 |
| RKSWY- 105/4- 150- Ⅱ | 105 | 0.4 | 15 | 18.5*2 | (2- Φ70+ Φ50+ Φ30)*2 | Rc 1 | G5/8 | 2900*1320*1300 | 1260 | 580 |
| RKSWY- 1 10/4- 150- Ⅱ | 1 10 | 0.4 | 15 | 18.5*2 | (2- Φ70+ Φ50+ Φ30)*2 | Rc 1 | G5/8 | 2900*1320*1300 | 1260 | 580 |
| RKSWY- 1 15/4- 150- Ⅱ | 1 15 | 0.4 | 15 | 22*2 | (2- Φ70+ Φ50+ Φ30)*2 | Rc 1 | G5/8 | 2900*1320*1300 | 1350 | 640 |
| RKSWY- 120/4- 150- Ⅱ | 120 | 0.4 | 15 | 22*2 | (2- Φ70+ Φ50+ Φ30)*2 | Rc 1 | G5/8 | 2900*1320*1300 | 1350 | 640 |
| RKSWY- 125/4- 150- Ⅱ | 125 | 0.4 | 15 | 22*2 | (2- Φ70+ Φ50+ Φ30)*2 | Rc 1 | G5/8 | 2900*1320*1300 | 1350 | 640 |
| RKSWY- 130/4- 150- Ⅱ | 130 | 0.4 | 15 | 22*2 | (2- Φ70+ Φ50+ Φ30)*2 | Rc 1 | G5/8 | 2900*1320*1300 | 1350 | 720 |
| RKSWY- 135/4- 150- Ⅱ | 135 | 0.4 | 15 | 22*2 | (2- Φ70+ Φ50+ Φ30)*2 | Rc 1 | G5/8 | 2900*1320*1300 | 1350 | 720 |
| RKSWY- 140/4- 150- Ⅱ | 140 | 0.4 | 15 | 22*2 | (2- Φ70+ Φ50+ Φ30)*2 | Rc 1 | G5/8 | 2900*1320*1300 | 1350 | 720 |
1. Completely Oil‑Free Operation
Removes fire and explosion hazards while preserving high oxygen purity.
2. Oxygen‑Safe Materials
Stainless steel, PTFE seals, and anti‑oxidation components guarantee long‑term durability in oxygen‑rich environments.
3. Stable 150 bar Output
Provides consistent high‑pressure oxygen for cylinder filling and heavy‑duty industrial uses.
4. Multi‑Stage Compression
Compresses oxygen efficiently from 4 bar up to 150 bar, with optimized thermal management and reduced component wear.
5. High Safety Standards
Includes overpressure protection, rupture discs, and leak detection; meets ASTM G93 and ISO 15001 requirements.
6. Low Maintenance
The oil‑free design eliminates oil changes – only routine seal and filter inspections are needed.
7. Compact & Modular Design
Fits easily into existing oxygen supply systems, with flexible installation options.
Industrial Gas & Cylinder Filling Stations
Fills high‑pressure oxygen cylinders (150 bar) for medical, industrial, and welding uses.
Aerospace & Aviation
Supplies high‑pressure oxygen for aircraft onboard systems, ground support equipment, and rocket testing.
Medical & Healthcare
Provides high‑pressure oxygen for hospital central supply systems and hyperbaric oxygen chambers (HBOT).
Steel & Metal Fabrication
Delivers high‑pressure oxygen for cutting, flame cleaning, and steelmaking processes.
Diving & Underwater Operations
Fills high‑pressure oxygen cylinders for professional divers, military diving, and underwater rescue teams.
Petrochemical & Refining
Used in oxidation reactions, catalyst regeneration, and high‑pressure oxygen injection for process enhancement.
Research & Laboratory
Supplies high‑purity, high‑pressure oxygen for material testing, combustion research, and analytical instruments.
Q1: Why is "oil‑free" essential?
A: Oxygen is highly flammable, and oil can trigger explosions. Thus, an oil‑free design is a strict safety requirement.
Q2: How do you adjust the output pressure?
A: Pressure can be controlled stepwise by adjusting the drive air pressure or via an electronic control system.
Q3: Can this unit handle other gases?
A: Customization is needed because the materials and seals must suit the specific gas (e.g., hydrogen requires anti‑permeation treatment).
Q4: What maintenance is recommended?
A: Regularly inspect seals and filters to prevent impurities from entering the system.
Q5: How is this different from a conventional compressor?
A: Conventional compressors use oil and are not explosion‑proof. This oxygen booster is designed specifically for high‑pressure, high‑purity oxygen and requires oxidation‑resistant materials such as stainless steel.
