Factory directly High Frequency Welding Saw Blade - Hours Self-Contained Closed Circuit Breathing Apparatus – Topsky
Factory directly High Frequency Welding Saw Blade - Hours Self-Contained Closed Circuit Breathing Apparatus – Topsky Detail:
portable emergency breathing apparatus)
(4 Hours Breathing Apparatus)
Qualifications: Coal Mine Safety Certificate
Explosion-proof Certificate
Inspection Certification
Applications
Whenever emergency teams are saving lives or extinguishing fires, above or below the ground, HYZ4 Self-Contained Closed Circuit Breathing Apparatus comes into its own. Whether used during rescue or fire fighting missions in mines, tunnels or underground train ducts where there is noxious gas or oxygen insufficient emergency, HYZ4 Self-Contained Closed Circuit Breathing Apparatus is the first choice. More than 10,000 professional users rely on the HYZ4 Self-Contained Closed Circuit Breathing Apparatus in China.
Specially designed for demanding tasks: HYZ4 Self-Contained Closed Circuit Breathing Apparatus combines uncompromising safety with outstanding respiratory protection and wearer comfort. Innovative in design, it provides the wearer with up to four hours of breathing air in toxic environments.
Key features
●Breathing Oxygen for up to 4 Hours
●Highest breathing comfort with an integrated cooling system
●Ergonomically shaped carrying plate
●Reduced exposure from a well balanced system
●Improved harness and intelligent breathing hose routing for excellent freedom of movement
Technical specification
Duration of use | 4 h |
working pressure for oxygen bottle | 20MPa |
Capacity for oxygen bottle | 2.4L |
Oxygen storage | 480L |
Breathing rate | 30L/min |
Exhaling resistance | (0~600)Pa |
Inhaling resistance | ≤600Pa |
Fixed Oxygen-supplying | ≥1.4L/min |
Automatic Oxygen-supplying | ≥80L/min |
Manual Oxygen-supplying | ≥80L/min |
Start pressure for Auto-supplying valve | (10~245)Pa |
Inhaling Carbon dioxide concentration | ≤1% |
Inhaling oxygen concentration | >21% |
Weight, ready for use | 10 kg (incl. mask) |
Dimensions (H x W x D) | 560 x370 x 160 mm |
Product detail pictures:

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We always continually offer you by far the most conscientious customer service, and the widest variety of designs and styles with finest materials. These attempts include the availability of customized designs with speed and dispatch for Factory directly High Frequency Welding Saw Blade - Hours Self-Contained Closed Circuit Breathing Apparatus – Topsky , The product will supply to all over the world, such as: India, Vancouver, Lebanon, Our advantages are our innovation, flexibility and reliability which have been built during last 20 years. We focus on providing service for our clients as a key element in strengthening our long-term relationships. The continual availability of high grade products in combination with our excellent pre- and after-sales service ensures strong competitiveness in an increasingly globalized market.

This manufacturer can keep improving and perfecting products and service, it is in line with the rules of market competition, a competitive company.
