50m³ 4-140bar Oil-free high-pressure oxygen compressor
This is a well-designed and high-performance oil-free high-pressure oxygen compressor. Utilizing four-stage compression technology, it can stably and efficiently boost inlet oxygen from 0.2-0.45 MPa(G) to ultra-high pressures up to 14.0 MPa(G). Its 100% oil-free design ensures absolute cleanliness of the oxygen medium and ultimate system safety, making it an ideal solution for high-pressure oxygen applications.Product Overview: Oil-Free High-Pressure Oxygen Compressor Series
This series of industrial oxygen compressors is engineered to deliver high-purity, high-pressure oxygen safely and efficiently. Utilizing a 100% oil-free design and robust multi-stage compression, they are the ideal solution for cylinder filling and demanding industrial processes.



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Key Features
100% Oil-Free Design: Employs sealed grease lubrication and oil-free lubrication technology, eliminating oil contamination to ensure the purity and safety of the oxygen.
Four-Stage Compression Technology: Efficiently boosts pressure from atmospheric levels to 15.0 MPa, delivering stable and reliable outlet pressure.
Air Cooling System: Requires no external cooling water, offering energy savings and environmental benefits. Suitable for various installation environments.
Automatic Protection Function: Features an automatic shutdown triggered by overpressure discharge, ensuring the safety of both the equipment and the system.
Belt Drive Design: Ensures smooth operation and easy maintenance, with adaptability to different operating conditions.
Technical Parameters
| No. | Description | Technical Parameters |
|---|---|---|
| 1 | Working Medium: | Dry Oxygen Gas |
| 2 | Equipment Model: | 50/4-150 |
| 3 | Structural Style: | 100% TOTALLY OIL-FREE TYPE |
| 4 | Compression Stage: | 4 |
| 5 | Rated Flow (Standard State): | 50 Nm³/h |
| 6 | Rated Inlet Pressure: | 0.2 - 0.45 MPa(G) |
| 7 | Rated Outlet Pressure: | 15.0 MPa(G) |
| 8 | Gas Inlet Temperature: | ≤ 35 °C |
| 9 | Discharge Temperature: | ≤ 130 °C (Before cooling) |
| 10 | Gas Supply Temperature: | ≤ 55 °C |
| 11 | Rotational Speed: | 240 rpm |
| 12 | Cooling Type: | Air-Cooling |
| 13 | Lubrication Method: | Sealing Grease Lubrication / Oil-Free Lubrication |
| 14 | Motor Power: | 18.5 kW |
| 15 | Transmission Way: | Belt Driven |
| 16 | Installation Type: | With Simple Installation Base |
| 17 | Automatic Control: | Automatic shutdown on overpressure exhaust |
| 18 | Dimensions (LxWxH): | 1700 x 950 x 1500 mm |
| 19 | Gas Inlet Size: | 25 mm |
| 20 | Gas Outlet Size: | M16 x 1.5 |
| 21 | Water Inlet/Outlet Interface: | None |
| 22 | Water Consumption: | None |
| 23 | Weight: | 1000 Kg |
| 24 | Delivery Time: | 15 - 25 Days |
| 25 | Power Supply: | 380V / 50Hz / 3 Phase (other voltages customizable per request) |
Applications
Oxygen boosting and transfer
High-purity gas supply systems
Laboratory gas equipment
Industrial gas filling systems
Medical oxygen supply equipment
Monday - Friday:8:30—17:00