HYZ4(B) Self-Contained Closed Circuit Breathing Apparatus - 20MPa Pressure, 4 Hour Duration, 12kg Weight

Price Negotiable

Price: Negotiable

MOQ: 1 Set

Delivery Time: Negotiable

Brand: TOPSKY

Product Description

HYZ4(B) Self-Contained Closed Circuit Breathing Apparatus

Professional 4-hour respiratory protection system with 20MPa working pressure for emergency response in toxic environments

Applications

Designed for emergency response teams in life-saving and fire-fighting operations, the HYZ4(B) Self-Contained Closed Circuit Breathing Apparatus provides critical respiratory protection in hazardous environments including mines, tunnels, underground train ducts, and other locations with noxious gases or oxygen-deficient atmospheres.

Key Features

Extended 4-hour breathing oxygen duration for prolonged operations
Integrated cooling system for enhanced breathing comfort during extended use
Ergonomically designed carrying plate for optimal weight distribution
Well-balanced system design to minimize user exposure and fatigue
Advanced harness system with intelligent breathing hose routing for maximum freedom of movement

Technical Specifications

Parameter	Specification
Duration of Use	4 hours
Working Pressure for Oxygen Bottle	20MPa
Capacity for Oxygen Bottle	2.7L
Oxygen Storage	540L
Breathing Rate	30L/min
Exhaling Resistance	(0～600)Pa
Inhaling Resistance	≤600Pa
Fixed Oxygen-supplying	≥(1.4～1.8)L/min
Automatic Oxygen-supplying	≥100L/min
Manual Oxygen-supplying	≥100L/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 (aluminum), CO2 absorber and cooling ice)
Dimensions (H x W x D)	177 x 96 x 227 mm