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Oxygen Booster Compressor (4 bar → 150 bar) Features and Advantages:
1. High Safety Design: Utilizes completely oil-free materials and special processes to eliminate the risk of combustion and explosion in high-pressure oxygen environments.
2. Guaranteed Gas Purity: Ensures that the oxygen remains uncontaminated during the compression process, maintaining high purity and dryness.
3. Wide Range and Efficient Compression: Capable of stably boosting pressure from a low inlet pressure (≥4 bar) to a high pressure of 150 bar, offering strong adaptability.
4. Stable and Reliable Operation: Optimized for oxygen characteristics, ensuring long-term continuous operation stability and low failure rate.
5. Professional and Convenient Maintenance: The structural design facilitates oil-free maintenance using professional tools, reducing long-term operating costs.
| Model No. | Flow rate (Nm³/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) |
| 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 |
This oil-free oxygen booster compresses oxygen without secondary contamination and is suitable for use in the pharmaceutical, chemical, food, and scientific research industries. It can also be used for gas pressure boosting in the air separation industry.

Oxygen Booster Pump (4 bar → 150 bar) Frequently Asked Questions
Q1. What are the minimum inlet requirements?
A. The inlet pressure must be stable at ≥4 bar, and the oxygen must be high-purity, oil-free, and dry medical or industrial oxygen. The use of ordinary compressed air is strictly prohibited.
Q2. Can the output pressure be adjusted?
A. Yes. The equipment supports adjusting the output pressure within the rated range (e.g., 30-150 bar) to meet the needs of different applications.
Q3. What special safety measures have been implemented in the equipment?
A. All parts in contact with oxygen are made of special oil-free, oxidation-resistant materials (such as stainless steel and copper alloys), and have undergone strict degreasing, cleaning, and passivation treatment to eliminate the risk of combustion and explosion.
Q4. What are the most important safety regulations during operation?
A. Core prohibitions: No lubrication is allowed, contact with grease is strictly prohibited, and valves must be operated slowly to prevent high temperatures caused by adiabatic compression, which could lead to danger.
Q5. What special precautions should be taken during routine maintenance?
A. Maintenance must be performed by qualified personnel using special oil-free tools. The key is to regularly replace the inlet filter element and strictly check the seals according to the manual.
Oxygen Booster Compressor (4 bar → 150 bar) Features and Advantages:
1. High Safety Design: Utilizes completely oil-free materials and special processes to eliminate the risk of combustion and explosion in high-pressure oxygen environments.
2. Guaranteed Gas Purity: Ensures that the oxygen remains uncontaminated during the compression process, maintaining high purity and dryness.
3. Wide Range and Efficient Compression: Capable of stably boosting pressure from a low inlet pressure (≥4 bar) to a high pressure of 150 bar, offering strong adaptability.
4. Stable and Reliable Operation: Optimized for oxygen characteristics, ensuring long-term continuous operation stability and low failure rate.
5. Professional and Convenient Maintenance: The structural design facilitates oil-free maintenance using professional tools, reducing long-term operating costs.
| Model No. | Flow rate (Nm³/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) |
| 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 |
This oil-free oxygen booster compresses oxygen without secondary contamination and is suitable for use in the pharmaceutical, chemical, food, and scientific research industries. It can also be used for gas pressure boosting in the air separation industry.

Oxygen Booster Pump (4 bar → 150 bar) Frequently Asked Questions
Q1. What are the minimum inlet requirements?
A. The inlet pressure must be stable at ≥4 bar, and the oxygen must be high-purity, oil-free, and dry medical or industrial oxygen. The use of ordinary compressed air is strictly prohibited.
Q2. Can the output pressure be adjusted?
A. Yes. The equipment supports adjusting the output pressure within the rated range (e.g., 30-150 bar) to meet the needs of different applications.
Q3. What special safety measures have been implemented in the equipment?
A. All parts in contact with oxygen are made of special oil-free, oxidation-resistant materials (such as stainless steel and copper alloys), and have undergone strict degreasing, cleaning, and passivation treatment to eliminate the risk of combustion and explosion.
Q4. What are the most important safety regulations during operation?
A. Core prohibitions: No lubrication is allowed, contact with grease is strictly prohibited, and valves must be operated slowly to prevent high temperatures caused by adiabatic compression, which could lead to danger.
Q5. What special precautions should be taken during routine maintenance?
A. Maintenance must be performed by qualified personnel using special oil-free tools. The key is to regularly replace the inlet filter element and strictly check the seals according to the manual.