High-Pressure Breathing Air Compressor
Shop this high-pressure breathing air compressor, ideal for boat and shore dives with fast, reliable tank filling.
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Model |
SLT-200 |
|
Working Pressure |
30 MPa (300 bar) |
|
Displacement (Intake) |
200 L/min |
|
Type |
W-configuration, 3-cylinder, 3-stage reciprocating piston compressor |
|
Drive |
Electric motor (380V/50Hz/5.5kW) or Honda gasoline engine |
|
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 |
190 kg |
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Filling Speed |
Approx. 10 minutes to fill a 6L cylinder to 30 MPa |
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Certifications |
CE certification, MA inspection report |
Product Features
Operating Principle
The SLT-200 is designed, manufactured, and inspected in accordance with the GB/T 12929-2008 standard for "Marine High-Pressure Piston Air Compressors," and its air quality meets the EN12021 international standard for breathing air compressors.
Its operation involves two main stages:
Stage 1: Multi-stage Compression
Ambient air (1 bar / 0.1 MPa) undergoes compression via a three-cylinder, three-stage reciprocating piston system, boosting the pressure step-by-step to 300 bar (30 MPa). The compact W-shaped configuration ensures balanced heat dissipation and excellent stability during long-term operation.
Stage 2: Advanced Purification
The high-pressure air flows sequentially through the unit's separators and filters to achieve:
- Oil-water separation (2 stages): effectively removing oil and condensate introduced during compression;
- Graded air purification (2 stages): removing moisture followed by odors through progressive, fine filtration;
- Fine particulate filtration: filtering airborne PM2.5 to a safe level below 10 µg/m³, complying with World Health Organization (WHO) air quality standards.
The final compressed air output is clean, odorless, safe, and reliable, fully meeting the requirements for human breathing air.
Structural Features and Performance Advantages
Multi-stage Precision Compression System
Utilizes a four-stage connecting-rod piston compression structure; each stage is equipped with a high-efficiency intercooler to significantly lower discharge temperatures, thereby maximizing mechanical longevity and volumetric efficiency.
Military-grade Deep Purification Chamber
Features built-in imported molecular sieves and activated carbon filter cartridges to effectively remove oil mist, moisture, and odors, as well as harmful gases such as carbon monoxide and carbon dioxide.
Intelligent Automatic Control and Protection
Equipped with a fully automatic condensate drainage system and an automatic shut-off function based on pressure settings. The system automatically stops when the preset pressure is reached to prevent over-pressurization.
High-strength, Wear-resistant Materials
Key components are constructed from aerospace-grade wear-resistant alloys and stainless steel; cylinders undergo specialized honing treatment, ensuring corrosion and wear resistance suitable for harsh outdoor environments.
Application Scenarios and Industry Solutions
- Emergency Fire & Rescue: Rapidly refills high-pressure air cylinders for Self-Contained Breathing Apparatus (SCBA) units, ensuring the smooth execution of firefighting and rescue operations.
- Marine Diving and Underwater Engineering: Meets the high-purity air filling requirements for diving cylinders used by commercial diving operations and recreational diving clubs.
- Specialized Industrial Manufacturing and Airtightness Testing: Supplies high-purity, oil-free, and dry high-pressure air for precision instrument calibration, aerospace applications, and high-pressure gas cylinder testing.
Service & Support
- Warranty Service: Full-load testing prior to shipment; standard warranty and long-term technical support provided.
- Technical Support: Full lifecycle services, including installation guidance, operational training, and reminders for scheduled maintenance.
- Customization Options: Available options include automatic discharge systems, gasoline engine drives, motors with special voltage ratings, etc.
FAQs
Q1: What is a breathing air compressor?
A breathing air compressor is a piece of high-pressure machinery specifically designed for applications such as firefighting and rescue, professional diving, maritime operations, and specialized industrial tasks. It efficiently compresses ambient air to pressures as high as 30 MPa and utilizes a multi-stage precision filtration and purification system to remove oil mist, moisture, odors, and harmful gases, thereby delivering a continuous, stable supply of "life-grade" pure air that meets human physiological safety standards.
Q2: Which type of breathing air compressor is best?
There is no single "best" option in absolute terms; the most suitable equipment must be selected based on specific usage scenarios, portability requirements, and the scale of air supply needed:
- Stationary high-pressure filling stations: Suitable for fire stations, large diving centers, or industrial facilities. These feature high air output, multi-line filling panels, automatic condensate drainage, and the capability for long-duration continuous operation.
- Mobile/portable units (diesel or gasoline engine-driven): Suitable for field emergency rescue sites lacking a power supply or for maritime operations. They feature a compact design, come with explosion-proof or shock-resistant protective enclosures, and offer excellent mobility.
- Key criteria: A high-quality breathing air compressor must feature four-stage precision piston compression, efficient inter-stage cooling, and an advanced air purification/filtration system certified by authoritative bodies.
Q3: What is the difference between breathing air and compressed air?
Although "breathing air" is essentially a type of "compressed air," the two differ fundamentally in terms of purity, application, and quality standards: Industrial Compressed Air generally refers to the air supply used for powering pneumatic tools, industrial automation controls, blow-off operations, or pneumatic valves. It may contain trace amounts of industrial lubricant mist, moisture, and solid particles; it lacks the purification safeguards required for human respiration and must absolutely not be used for direct breathing. Breathing Quality Air is a life-support air supply that has undergone specialized multi-stage purification for direct human inhalation. It must undergo rigorous physical and chemical filtration to ensure it is non-toxic, odorless, oil-free, and low in moisture, with harmful gases (such as carbon monoxide and carbon dioxide) reduced to well below safe threshold limits.
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