Mobile High Pressure Breathing Air Compressor
SLT-300 mobile high pressure breathing air compressor , ideal for dive operations and emergency response teams.
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Model |
SLT-300 |
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Working Pressure |
30 MPa (300 bar) |
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Displacement (Intake) |
300 L/min |
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Type |
W-configuration, 3-cylinder, 3-stage reciprocating piston compressor |
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Drive |
Electric motor (380V/50Hz/7.5kW) or Honda gasoline engine |
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Lubrication |
Splash lubrication (Food-grade lubricant 750-H2) |
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Cooling |
Air-cooled |
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Control |
Automatic stop |
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Air Quality |
Primary air filtration, dual oil-water separation, and 2-stage air purification |
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Safety Features |
Inter-stage safety valves, pressure-maintaining valve, automatic stop system, and protective guard for the drive assembly |
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Packaging Dimensions (L×W×H) |
125×70×92 cm |
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Weight |
210 kg |
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Filling Speed |
Approx. 7 minutes to fill a 6L cylinder to 30 MPa |
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Certifications |
CE certification, MA test report |
Key Advantages Explained
Adaptability to Harsh Environments
Featuring a fully enclosed protective structure, the unit is resistant to dust, vibration, and temperature fluctuations. It operates reliably without performance degradation or failure-whether near high-temperature fire scenes, inside humid ship compartments, or on dusty construction sites.
Breathing-Grade Air Quality
Utilizes a proprietary three-stage purification system-combining oil-water separation, multi-stage filtration, and pressure maintenance-to effectively remove condensate, residual lubricant, and solid impurities generated during compression. The output air meets the EU EN12021 standard for breathing air and is suitable for directly filling cylinders for human respiration.
Intelligent Safety Control
An integrated safety valve linked to the electrical control box enables automatic pressure relief during over-pressure events and automatic shutdown during overloads. A pressure maintenance valve ensures stable back-pressure even under low-load conditions, preventing airflow fluctuations and extending the service life of filtration components.
Portability and Mobility
The compact design and optional reinforced base casters facilitate vehicle loading, manual repositioning, and rapid on-site deployment, effectively meeting the need for air supply across multiple work locations.
Precision Components and Structural Analysis
Motor and Electrical Control Box: Equipped with a high-performance, high-power motor delivering robust power and smooth operation; paired with an intelligent electrical control box to enable centralized control, overload protection, and user-friendly operation.
Oil-Water Separation System: Efficiently filters out oil mist and condensate generated during compression, ensuring the dryness and purity of the output air while protecting downstream purification systems.
Purification and Filtration System: Utilizes multi-stage polymer composite filtration materials to deeply adsorb harmful gases and odors, ensuring the output air fully complies with rigorous breathing air quality standards.
Pressure Control and Maintenance Valve: Precisely regulates system operating pressure; the pressure maintenance valve ensures the filtration system operates efficiently at optimal pressure, thereby extending filter element lifespan.
Anti-Vibration Pressure Gauge & Safety Valve: A high-precision, anti-vibration pressure gauge provides real-time, clear monitoring of system pressure; combined with multi-stage mechanical safety valves and the control panel, it establishes an impenetrable safety barrier.
Key Application Areas
- Firefighting and Rescue: Supplies compressed air-meeting international high-purity breathing standards-for firefighters' Self-Contained Breathing Apparatus (SCBA) in extreme fire environments characterized by dense smoke and toxic gases.
- Professional Diving: Meets the rigorous, high-standard requirements for zero-impurity high-pressure breathing cylinder filling in commercial diving, marine exploration, and diving clubs.
- Industrial Safety: Widely used in specialized industrial environments-such as petrochemical operations, confined space work, and emergency response-to ensure the safety and respiratory well-being of personnel.
Why Choose SLT-300?
- Compliant and Reliable: CE certification + MA test report, quality verifiable;
- Respiratory-Grade Cleanliness: Air quality meets EN12021 international respiratory standards, PM2.5 filtration <10μg/m³;
- Sufficient Safety Redundancy: Multiple safety devices + automatic shutdown, worry-free for operators;
- Lower Maintenance Costs: Final-stage piston ring technology + replaceable filter material, significantly saving costs over long-term use;
- Dual Power Options: Electric motor or gasoline engine drive, suitable for both stationary and field operations.
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