China Gold Supplier for Multi-Function Shield - Hours Self-contained breathing apparatus – Topsky
China Gold Supplier for Multi-Function Shield - Hours Self-contained breathing apparatus – Topsky Detail:
Applications
Whenever emergency teams are saving lives or extinguishing fires, above or below the ground, HYZ4(B) 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(B) Self-Contained Closed Circuit Breathing Apparatus is the first choice. More than 10,000 professional users rely on the HYZ4(B) Self-Contained Closed Circuit Breathing Apparatus in China.
Specially designed for demanding tasks: HYZ4(B) 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 | 2.7L |
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 (incl. mask, full oxygen cylinder (aluminum), CO2 absorber and cooling ice) |
Dimensions (H x W x D) | 177 x96 x 227 mm |
Packing Information:
Size:58.8*44.3*21.5cm
Gross weight:12.5kg
Product detail pictures:

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Our pursuit and company goal is to "Always satisfy our customer requirements". We continue to develop and design superior quality products for both our old and new customers and achieve a win-win prospect for our clients as well as us for China Gold Supplier for Multi-Function Shield - Hours Self-contained breathing apparatus – Topsky , The product will supply to all over the world, such as: Thailand, San Francisco, Nepal, We'll continue to devote ourselves to market & product development and build a well-knit service to our customer to create a more prosperous future. Please contact us today to find out how we can work together.

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