4 Hours Self Breathing Apparatus For Mining / Firefighting 540L Oxygen Storage

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4 Hours Self-contained breathing apparatus HYZ4 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(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: l Breathing Oxygen for up to 4 Hours l Highest breathing comfort with an integrated cooling system l Ergonomically shaped carrying plate l Reduced exposure from a well balanced system l 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 | (0600)Pa | Inhaling resistance | 600Pa | Fixed Oxygen-supplying | (1.41.8)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 | - - - -

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Beijing Topsky Century Holding Co.,Ltd

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