Composite Breathing Air Cylinder Kit
6.8 Litre | 300 Bar | Lightweight Composite Cylinder
Professional Respiratory Air Supply System
The 6.8 Litre Composite Breathing Air Cylinder Kit is designed to provide a reliable supply of compressed breathing air for emergency response, firefighting, rescue operations, and industrial applications. Manufactured using a lightweight aluminum liner fully wrapped with high-strength fiberglass composite, the cylinder offers excellent durability, corrosion resistance, and reduced weight for improved user comfort.
Designed in accordance with EN 12245 and intended for use with breathing-quality compressed air (EN 12021), this cylinder provides approximately 2,040 liters of breathable air at a working pressure of 300 Bar, making it ideal for professional respiratory protection systems.
Product Features
- Lightweight composite cylinder construction
- 300 Bar high-pressure air storage
- Aluminum liner with full fiberglass wrap
- Corrosion-resistant and durable design
- High air storage capacity
- Suitable for SCBA and emergency escape systems
- Long 15-year design service life
- Compact and easy to carry
- Manufactured to international standards
Technical Specifications
| Description | Specification |
|---|---|
| Product Name | Composite Breathing Air Cylinder Kit |
| Cylinder Type | Lightweight Composite Air Cylinder |
| Manufacturer | Zhejiang Kaibo Pressure Vessel Co., Ltd. |
| Country of Origin | China |
| Standards | EN 12245 / EN 12021 |
| Working Pressure | 300 Bar |
| Test Pressure | 450 Bar |
| Water Capacity | 6.8 Liters |
| Free Air Capacity | Approximately 2,040 Liters |
| Thread Size | M18 × 1.5 |
| Liner Material | Aluminum |
| Reinforcement | Fully Wrapped Fiberglass Composite |
| Cylinder Weight | Approximately 3.65 kg |
| Manufacturing Date | 12/2025 |
| Design Life | 15 Years |
| Final Service Date | 12/2040 |
| Service Temperature | -40°C to +60°C |
| Filling Medium | Breathing Air Only |
Kit Includes
- 6.8 L Composite Breathing Air Cylinder
- Pressure Regulator
- Pressure Gauge
- High-Pressure Hose
- Protective Carrying Case
- Accessory / Storage Pouch
Air Capacity & Operating Time
Cylinder Capacity: 6.8 Liters
Working Pressure: 300 Bar
Free Air Capacity: Approximately 2,040 Liters
| Breathing Rate | Approximate Duration |
|---|---|
| 30 L/min (Light Work) | 65–68 Minutes |
| 40 L/min (Moderate Work) | 50–55 Minutes |
| 60 L/min (Heavy Work) | 33–35 Minutes |
Actual operating time may vary depending on the user’s breathing rate, workload, and environmental conditions.
Applications
- Firefighting (SCBA)
- Emergency Escape Breathing Systems (EEBD)
- Confined Space Entry
- Chemical & Petrochemical Plants
- Oil & Gas Facilities
- Industrial Safety
- Rescue Operations
- Marine & Offshore Installations
- Power Generation Facilities
Safety Guidelines
- Fill only with certified breathing-quality compressed air conforming to EN 12021.
- Do not exceed the maximum filling pressure of 300 Bar.
- Inspect the cylinder before each use for dents, cracks, impact damage, or heat exposure.
- Perform hydrostatic testing and periodic inspections in accordance with local regulations and manufacturer requirements.
- Store in a clean, cool, and dry environment away from direct sunlight, corrosive chemicals, and excessive heat.
- Use only approved valves, regulators, and accessories compatible with the cylinder.
Quality Features
- Lightweight, high-strength composite construction
- Factory pressure tested
- Corrosion-resistant materials
- High-capacity breathing air storage
- Long service life with reduced user fatigue
- Designed for professional respiratory protection and emergency response applications
Note: This cylinder is intended only for breathing-quality compressed air and must be used as part of a complete respiratory protection system with compatible certified components.


