HYZ4 4-Hour Self-Contained Breathing Apparatus with 20MPa Oxygen Pressure and 480L Storage Capacity

Price Negotiable

Price: Negotiable

MOQ: 1 Set

Delivery Time: Negotiable

Brand: TOPSKY

Product Description

Professional 4-Hour Self-Contained Breathing Apparatus

Certifications & Compliance

Coal Mine Safety Certificate • Explosion-proof Certificate • Inspection Certification

Applications & Usage Scenarios

The HYZ4 Self-Contained Closed Circuit Breathing Apparatus provides critical respiratory protection for emergency response teams during life-saving operations and firefighting missions. Ideal for use in mines, tunnels, underground train ducts, and other confined spaces with toxic gases or oxygen-deficient environments.

Key Features & Advantages

Extended 4-hour breathing oxygen capacity for prolonged operations
Integrated cooling system for maximum breathing comfort
Ergonomically designed carrying plate for reduced user fatigue
Well-balanced system minimizing exposure risks
Enhanced harness with intelligent breathing hose routing for superior mobility
Trusted by over 10,000 professional users across China

Technical Specifications

Parameter	Specification
Duration of Use	4 hours
Working Pressure (Oxygen Bottle)	20 MPa
Capacity (Oxygen Bottle)	2.4 L
Oxygen Storage	480 L
Breathing Rate	30 L/min
Exhaling Resistance	0-600 Pa
Inhaling Resistance	≤600 Pa
Fixed Oxygen-supplying	≥1.4 L/min
Automatic Oxygen-supplying	≥80 L/min
Manual Oxygen-supplying	≥80 L/min
Start Pressure (Auto-supplying Valve)	10-245 Pa
Inhaling Carbon Dioxide Concentration	≤1%
Inhaling Oxygen Concentration	>21%
Weight (Ready for Use)	10 kg (including mask)
Dimensions (H × W × D)	560 × 370 × 160 mm