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Introduction to High-Pressure Breathing Compressors
This 300 bar (4500 PSI) gasoline-driven high pressure piston air compressor is a portable, heavy-duty breathing air solution designed for SCUBA diving, firefighting, paintball, and industrial gas filling applications-. Powered by a reliable gasoline engine, it delivers high-pressure breathing air in remote locations where electricity is unavailable.
Key Features
Ultra-High Pressure Output
Delivers up to 300 bar (4500 PSI / 30 MPa) maximum working pressure, capable of filling both 225 bar SCUBA tanks and 300 bar firefighting SCBA cylinders with the same machine.
Gasoline Engine Powered – No Electricity Required
Driven by a 5.5 HP (4 kW) Honda gasoline engine, this compressor operates independently of the power grid – ideal for remote dive sites, offshore operations, field rescue, and emergency response where no power supply is available.
True Portability
Compact and lightweight design, making it easy to transport in a vehicle trunk or carry to any site – dive boats, fire stations, paintball fields, or remote mountain locations.
Piston Compressor with Multi-Stage Compression
Engineered with 4-cylinder, 4-stage reciprocating piston technology for efficient pressure buildup and controlled discharge temperatures. Designed for continuous duty and reliable 24/7 field operation.
Breathing Air Quality – CE Certified
Equipped with a multi-stage filtration system (oil-water separator + fine filters) to remove oil mist, particles, and moisture. Output air meets EN 12021 international breathing air standards – safe for human respiration in diving, firefighting, and industrial breathing air systems.
Complete Package – Ready to Use
Every unit comes complete with high-pressure filling hose, filling valve/coupler, specialized lubricating oil, intake filter, and instruction manual. CE certified – just add fuel, connect your cylinder, and start filling.
Product Parameters
| Parameter | Specification |
| Working Pressure | 225~350 bar (3262.5~5075 PSI / 22.5~35MPa) |
| Free Air Delivery | 100L/min (3.5 CFM) |
| Engine Power | 5.5 HP (4 kW) Honda gasoline engine |
| Compression Stages | 3 stages |
| Lubrication | Oil-splash lubrication |
| Cooling | Air-cooled |
| Weight | 44 kg |
| Dimensions (L×W×H) | 770×420×420 mm |
| Certification | CE |
Key Applications
SCUBA Diving – Fills high-pressure breathing air cylinders for recreational and professional diving
Firefighting & Rescue – Charges SCBA (self-contained breathing apparatus) cylinders for emergency services
Paintball & PCP Airguns – Supplies high-pressure air for paintball markers and pre-charged pneumatic rifles
Industrial Gas Filling – Provides breathing air for confined space work, underwater construction, and marine operations
Emergency Response – Portable solution for disaster relief and remote rescue operations where power is unavailable
Why Choose This Compressor?
✅ No power grid? No problem. Gasoline engine drives independent operation anywhere.
✅ One machine, multiple uses. Fills both SCUBA and firefighting cylinders.
✅ Breathing-safe air. Meets EN 12021 standards – safe for human use.
✅ Truly portable. Lightweight design fits in any vehicle.
✅ CE certified. Complies with international safety standards.
✅ Ready to run. Complete with hose, valve, oil, and filters included.
FAQ
Q 1: Does oil lubrication affect breathing air quality?
A: No. The compressor uses oil for mechanical parts, but a 3-stage filtration system (oil-water separator, activated carbon, molecular sieve) removes 99.9% of oil mist, particles, and moisture. Outlet air meets EN 12021 international breathing air standards – completely safe for SCUBA and firefighting use.
Q 2: What’s included in the box? Do I need extra parts?
A: Everything comes in the box: high-pressure filling hose, filling valve/coupler, specialized lubricating oil, triple filter elements, instruction manual, and tool kit. No hidden costs – just connect, start the engine, and fill.
Q 3: Can this compressor fill both SCUBA and firefighter SCBA cylinders?
A: Yes. Max pressure is 300 bar (4500 PSI) , so it fills both 225 bar SCUBA tanks and 300 bar SCBA cylinders. Set the pressure, connect the right valve, and start – one unit for multiple uses.
Q 4: How much maintenance does this require? Are spare parts available?
A: Routine maintenance is simple – check valves, change oil/filters per the manual. We stock wear parts (piston rings, valves, filters, oil) for fast shipping. A full maintenance schedule and video guide are provided.
Q 5: Can it run continuously for high-volume daily filling?
A: Yes – it's industrial-grade and designed for continuous duty. With proper cooling and regular maintenance, it handles high-volume filling at dive shops, fire stations, or paintball fields. Many customers run it 24/7 for years.
Q 6: What’s the difference between gasoline and electric versions?
A: Gasoline version – powered by a Honda engine, no electricity required, ideal for remote sites, offshore, and emergency rescue. Electric version – plug into 220-230V 50Hz single phase, ideal for dive shops, fire stations, and indoor use. Choose based on your operating environment.
