Portable Breathing Air Compressor
SLT-265 portable breathing air compressor supports scuba diving, industrial use, and emergency response with pure, breathable output.
|
Model |
SLT-265 |
|
Working Pressure |
30 MPa (300 bar) |
|
Displacement (Inhalation) |
265 L/min |
|
Type |
W-type layout - three-cylinder, three-stage reciprocating piston compressor |
|
Drive |
Electric 380V/50Hz/5.5 kW |
|
Lubrication Method |
Splash lubrication (food-grade lubricating oil 750-H2) |
|
Cooling Method |
Air-cooled |
|
Control Method |
Automatic shutdown |
|
Clean Air |
1-stage air filtration, 2-stage oil-water separation, 2-stage air purification |
|
Safety Devices |
Intermittent safety valve, pressure maintaining valve, automatic shutdown system, protective cover for transmission parts |
|
Packaging Dimensions (L×W×H) |
125×70×92 cm |
|
Weight |
160 kg |
|
Inflation Speed |
Approximately 8 minutes to inflate a 6-liter bottle to 30 MPa |
|
Product Certifications |
CE certification, MA test report |
Core Advantages and Product Highlights
High-Pressure, High-Purity Output: Compresses ambient air (1 bar) in stages to 300 bar (30 MPa) while utilizing a precision separation and filtration system to remove oil, impurities, and fine particulates; achieves PM2.5 levels below 10 µg/m³, meeting relevant World Health Organization safety standards.
Comprehensive Safety Features: Equipped with inter-stage safety valves and robust filtration/separation systems to ensure stable pressure and clean air during operation.
Proven, Reliable Design: Optimized and improved based on Italian models; features a final-stage piston manufactured via specialized processes and piston rings utilizing Japanese Riken technology; key castings are produced by specialized large-scale facilities. The product has been on the market for over a decade and has earned widespread user recognition.
Three-Cylinder, Three-Stage Compression Structure: Utilizes splash lubrication; features a compact, stable design suitable for prolonged, continuous operation.
Compliance with Authoritative Standards: Designed, manufactured, and inspected in accordance with GB/T 12929-2008 ("Marine High-Pressure Piston Air Compressors"); air quality meets the EN 12021 international standard for breathing air compressors.
Working Principle
The system utilizes three-cylinder, three-stage compression to gradually pressurize ambient air (approximately 1 bar) to a gauge pressure of 300 bar. During compression, the air flows sequentially through separators and multi-stage filters within the unit to:
- Remove oil and impurities carried in the compressed air;
- Deep-filter fine particulate matter (PM2.5), reducing concentrations to below safe limits;
- Ultimately deliver clean, odorless, high-pressure purified air that meets human respiratory standards.
Combining efficient compression with safe purification, the system provides a reliable air supply for any application requiring high-pressure, purified air.
Application Scenarios and Model Selection
Breathing air compressors are categorized into portable and stationary types based on their usage scenarios. The SLT-265 product line covers both configurations to meet diverse operational requirements:
Portable/Mobile Systems
Designed for rapid response and mobile use across multiple sites, these systems integrate the compressor, filtration system, and filling interface into a single, highly maneuverable unit. They are primarily suitable for:
- Rapid cylinder refilling at emergency response and firefighting sites
- On-the-go air supply support during field training exercises
- Generating breathing air for temporary industrial inspections or confined space operations
- Mobile air supply support across different sites or regions
These models offer an irreplaceable advantage in rapid deployment for scenarios where fixed installation is not feasible or a single unit must serve multiple air-use points.
Stationary Systems
Designed for fixed locations requiring high-frequency, high-volume filling, these systems offer continuous air supply capabilities and flexible scalability. They are primarily suitable for:
- Daily cylinder refilling and operational readiness support at fire stations
- Breathing air cylinder filling for diving clubs and professional diving training centers
- Fixed air supply stations within industrial facilities such as shipyards, petrochemical plants, and steel mills
- Breathing air supply systems for military bases and defense facilities
Stationary models can be flexibly integrated with auxiliary equipment-such as gas storage banks and explosion-proof filling cabinets-to form a complete breathing air filling station system capable of efficiently filling multiple cylinders simultaneously.
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