4 Hours Self-Contained Closed Circuit Breathing Apparatus Hyz4 (B)

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 movementDuration of use4 hworking pressure for oxygen bottle20MPaCapacity for oxygen bottle2.7LOxygen storage540LBreathing rate30L/minExhaling resistance(0~600)PaInhaling resistance≤600PaFixed Oxygen-supplying≥(1.4~1.8)L/minAutomatic Oxygen-supplying≥100L/minManual Oxygen-supplying≥100L/minStart pressure for Auto-supplying valve(10~245)PaInhaling Carbon dioxide concentration≤1%Inhaling oxygen concentration>21%Weight, ready for use12 kg(incl. mask, full oxygen cylinder (aluminum), CO2 absorber and cooling ice)Dimensions (H x W x D)177 x96 x 227 mm