Beijing  Topsky  Century Holding Co.,Ltd
                                                                                                           
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Fireman 2.7L Oxygen Self Breathing Apparatus with 4-Hour Duration and Integrated Cooling System for Emergency Rescue

Price Negotiable
Price: Negotiable
MOQ: 1 Set
Delivery Time: Negotiable
Brand: TOPSKY
Product Description
Fireman 2.7L Oxygen Self Breathing Apparatus

Professional 4-hour self-contained closed circuit breathing apparatus with integrated cooling system for emergency rescue and firefighting operations in hazardous environments.

Applications

The HYZ4(B) Self-Contained Closed Circuit Breathing Apparatus is engineered for life-saving emergency operations and fire extinguishing missions in toxic environments. Ideal for rescue operations in mines, tunnels, underground train ducts, and other confined spaces with noxious gases or oxygen-deficient atmospheres. Trusted by over 10,000 professional users across China for demanding emergency response scenarios.

Key Features
  • 4-hour continuous breathing oxygen supply for extended operations
  • Integrated cooling system for maximum breathing comfort in high-temperature environments
  • Ergonomically designed carrying plate for optimal weight distribution
  • Well-balanced system design to minimize user exposure to hazardous conditions
  • Advanced harness system with intelligent breathing hose routing for superior freedom of movement
Technical Specifications
Parameter Specification
Duration of Use 4 hours
Working Pressure for Oxygen Bottle 20 MPa
Capacity for Oxygen Bottle 2.7 L
Oxygen Storage 540 L
Breathing Rate 30 L/min
Exhaling Resistance 0-600 Pa
Inhaling Resistance ≤600 Pa
Fixed Oxygen-supplying ≥1.4-1.8 L/min
Automatic Oxygen-supplying ≥100 L/min
Manual Oxygen-supplying ≥100 L/min
Start Pressure for Auto-supplying Valve 10-245 Pa
Inhaling Carbon Dioxide Concentration ≤1%
Inhaling Oxygen Concentration >21%
Weight (Ready for Use) 12 kg (including mask, full oxygen cylinder, CO2 absorber, and cooling ice)
Dimensions (H × W × D) 177 × 96 × 227 mm

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Beijing  Topsky  Century Holding Co.,Ltd
Location 10B NO.17 HuanKe Middle Road Jin Qiao Industry Base Tongzhou District Beijing China 101102
Contact Person Yang

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