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HC-W150 High-Pressure Breathing Air Compressor | Professional-Grade Pure Compressed Air Solution
The HC-W150 is a professional-grade high-pressure breathing air compressor, derived from and optimized from German design for efficie···
HC-W150 High-Pressure Breathing Air Compressor | Professional-Grade Pure Compressed Air Solution
The HC-W150 is a professional-grade high-pressure breathing air compressor, derived from and optimized from German design for efficient mass production. We utilize a specially manufactured final-stage piston, piston rings based on Japanese Riken technology, and precision-cast core components in a large-scale professional factory to ensure superior quality and long-term reliability. This model has been on the market for over ten years, earning widespread praise from users worldwide for its stable performance.
This machine employs a three-cylinder, three-stage compression and splash lubrication system, integrating a final-stage safety valve and a high-efficiency filtration system. It can compress free air (1 bar / 0.1 MPa) to a maximum of 300 bar (30 MPa), providing safe power for any industry requiring a high-pressure, pure air source. Through multi-stage separation and filtration within the machine, oil and impurities are thoroughly removed, and fine particulate matter (such as PM2.5) in the intake air is filtered to safe levels meeting World Health Organization (WHO) guidelines, producing clean, odorless, and reliable compressed breathing air.
The product is designed and manufactured in strict accordance with the GB/T 3853-2017 standard for positive displacement compressors. Its air quality meets the stringent specifications of GB/T 31975-2015 technical requirements for compressed air for respiratory protection and GB 18435-2007 breathing gases for diving, making it an ideal choice for fire fighting, diving and industrial safety applications.
| parameter | Specification | Explanation/Internationally accepted conversion |
|---|---|---|
| model | HC-W150/ET | - |
| Displacement | 150 L/min | ≈ 5.3 CFM (cubic feet per minute) |
| Exhaust pressure | 225 / 330 bar | ≈ 3263 / 4785 psi (pounds-forces per square inch) |
| Compression levels | Level 3 | Three-stage compression, high efficiency, low temperature rise. |
| driving method | Electric, three-phase 380V / 50Hz | Standard industrial power supply. Customizable options available, such as single-phase/three-phase 220V, 460V, 60Hz, etc. |
| Rated speed | 2300 rpm | revolutions per minute |
| power | 3 kW | ≈ 4 hp (horsepower) |
| weight | 55 kg | ≈ 121 lbs (pounds) |
| Dimensions (L×W×H) | 71 × 42 × 44 cm | ≈ 28" × 16.5" × 17.3" (inches) |
| Gas supply interface | G5/8 | Internationally recognized high-pressure threaded interface. |
| Control method | Manual shutdown | An automatic shutdown control system can be optionally installed. |
1. Safety and Compliance
The air quality meets the highest safety standards for diving breathing, firefighting breathing, etc.
The terminal is equipped with a triple breathing air purification system (activated carbon, molecular sieve, CO absorption molecules) to ensure clean and safe air.
The final stage safety valve automatically releases pressure when overpressure occurs, ensuring the safety of personnel and equipment.
Rotating parts are equipped with protective covers for safe operation.
2. Superior performance and reliability
The three-cylinder, three-stage compression design features a reasonable compression ratio, smooth operation, and a longer lifespan.
The stainless steel cooling system and high-strength nylon fan provide efficient heat dissipation and strong continuous working capacity.
Splash lubrication ensures that internal components are adequately lubricated, reducing wear.
The core castings are produced by a professional large-scale factory, resulting in a robust and durable structure.
3. User-friendly design and flexibility
It comes standard with an oil-water separator and an air purifier, and is equipped with a manual drain valve.
The inflation pressure can be selected as 225 Bar or 330 Bar to meet different needs.
Shockproof pressure gauge (0-5800 psi / 400 bar), clear and stable readings.
Offers electric motor or gasoline engine drive options to suit applications with or without a fixed power source.
4. Ease of maintenance and cost-effectiveness
The purification system uses reusable packing cylinders, which are easy to replace and save on long-term consumable costs.
The air intake is equipped with a paper filter air filter, which effectively protects the compressor and is easy to replace.
The structural design facilitates daily inspection and maintenance.



Firefighting and Emergency Rescue: Provide immediate and safe breathing air for fire trucks, mobile air supply stations, or on-site command centers, ensuring the safety of firefighters in toxic, smoky, or oxygen-deficient environments.
Diving and Water Operations: Serving diving centers, offshore operations, underwater engineering, fishing, ship maintenance, etc., providing life support air supply for divers.
Pneumatic thrower power source: Provides stable high-pressure gas for throwing devices in maritime and fire rescue operations, used for the rapid launch of lifebuoys or ropes.
Industrial air tightness testing: Used for air tightness testing and pressure resistance testing of pressure vessels, valves, pipelines, automotive parts and various industrial products to ensure product quality and safety.
Sports and Recreation: Providing stable, high-quality compressed air power for paintball (such as CS games) and pneumatic sports equipment.
Main applications: diving breathing apparatus, firefighting breathing apparatus, throwing device accessories, paintball, shooting sports

Our factory in China is now inviting global partners to join us in expanding our market!
We are committed to expanding our global distribution network and sincerely invite distributors, wholesalers, industry integrators and brand partners from all countries to join us in serving the international market.
We offer you:
OEM/ODM private labeling services: We support customization of product appearance, logo and packaging according to your brand requirements.
Fully customized solutions: Voltage (110V, 220V, 380V, etc.), frequency (50/60Hz), and specific safety certification requirements can be customized according to the standards of the target market.
Flexible upgrade options: Offers a variety of optional functions, such as an automatic shutdown control system, to meet diverse needs.
Why choose us?
Quality Cornerstone: Over a decade of market validation and a rigorous quality control system ensure product reliability and durability.
Highly competitive pricing: Direct factory supply eliminates intermediaries, providing you with superior profit margins.
Full technical support: We have an experienced professional team to provide our partners with comprehensive support from product to market.
Contact us now to discuss cooperation opportunities and create a brilliant future together!
