HYZ4(B) Self-Contained Closed Circuit Breathing Apparatus - 4 Hour Duration, 20MPa Oxygen Pressure, 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 emergency breathing system designed for rescue operations in toxic environments with oxygen-deficient conditions.

Applications

The HYZ4(B) Self-Contained Closed Circuit Breathing Apparatus is engineered for emergency response teams performing life-saving operations and firefighting missions. This specialized equipment provides critical respiratory protection in challenging environments including:

Mine rescue operations
Tunnel and underground train duct emergencies
Environments with noxious gases or oxygen deficiency
Firefighting in confined spaces

Trusted by over 10,000 professional users across China for demanding emergency scenarios.

Key Features

Extended Duration: Provides up to 4 hours of breathing oxygen in toxic environments
Enhanced Comfort: Integrated cooling system ensures optimal breathing comfort
Ergonomic Design: Specially shaped carrying plate for superior wearability
Balanced System: Reduced exposure through well-balanced component distribution
Superior Mobility: Improved harness and intelligent breathing hose routing for excellent 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