Beijing  Topsky  Century Holding Co.,Ltd
                                                                                                           
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HYZ4 Portable Emergency Self Breathing Apparatus 4-Hour Duration 30L/min Breathing Rate for Toxic Environments

Price Negotiable
Price: Negotiable
MOQ: 1 Set
Delivery Time: Negotiable
Brand: TOPSKY
Product Description
Professional Portable Emergency Self Breathing Apparatus
Certifications & Compliance
  • Coal Mine Safety Certificate
  • Explosion-proof Certificate
  • Inspection Certification
Applications & Use Cases

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

Key Features & Benefits
  • 4-hour breathing duration with reliable oxygen supply
  • Integrated cooling system for enhanced comfort during extended use
  • Ergonomically designed carrying plate for optimal weight distribution
  • Well-balanced system reduces user exposure to hazardous conditions
  • Advanced harness and intelligent breathing hose routing for maximum 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
Weight (Ready for Use) 10 kg (including mask)
Dimensions (H × W × D) 560 × 370 × 160 mm

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

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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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