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

Price Negotiable

Price: Negotiable

MOQ: 1 Set

Delivery Time: Negotiable

Brand: TOPSKY

Product Description

Product Overview

The HYZ4 Self-Contained Closed Circuit Breathing Apparatus is a professional-grade respiratory protection system designed for emergency response teams operating in hazardous environments with toxic gases or oxygen-deficient conditions.

Certifications & Compliance

Coal Mine Safety Certificate
Explosion-proof Certificate
Inspection Certification

Applications

Ideal for emergency response teams performing life-saving operations and fire suppression in challenging environments including:

Underground mines and tunnels
Subway and train duct systems
Industrial facilities with toxic gas hazards
Any oxygen-deficient emergency scenarios

Trusted by over 10,000 professional users across China for demanding rescue and firefighting missions.

Key Features

Extended 4-hour breathing oxygen capacity
Integrated cooling system for maximum breathing comfort
Ergonomically designed carrying plate
Well-balanced system for reduced user exposure
Advanced harness and intelligent breathing hose routing for superior mobility

Technical Specifications

Parameter	Specification
Duration of Use	4 hours
Working Pressure (Oxygen Bottle)	20 MPa
Oxygen Bottle Capacity	2.4 L
Oxygen Storage	480 L
Breathing Rate	30 L/min
Exhaling Resistance	0-600 Pa
Inhaling Resistance	≤600 Pa
Fixed Oxygen Supply	≥1.4 L/min
Automatic Oxygen Supply	≥80 L/min
Manual Oxygen Supply	≥80 L/min
Start Pressure (Auto-supplying Valve)	10-245 Pa
Inhaling CO₂ Concentration	≤1%
Inhaling Oxygen Concentration	>21%
Weight (Ready for Use)	10 kg (including mask)
Dimensions (H × W × D)	560 × 370 × 160 mm