Origin	China
Model Number	HYZ-2/HYZ-4
Brand Name	GOKANG

Application:

It is breathing apparatus used for personal protection, with reliable performance, comfortable carrying and convenient maintaining. Main application into coalmine, fire protection, chemical industry, tunnel, scientific research fields where there is noxious& anoxic oxygen insufficient emergency disaster existence. 

Main specification             

Model: HYZ-2

Duration: 120 min

Working pressure for oxygen bottle: 20 MPa

Capacity for oxygen bottle: 1.4L

Oxygen storage: 280L

Dimension: 518×370×160mm

Weight: 11Kg

Model: HYZ-4

Duration: 240 min

Working pressure for oxygen bottle: 20 MPa

Capacity for oxygen bottle: 2.4L

Oxygen storage: 480L

Dimension: 560×370×160mm

Breathing rate: 30L/min

Exhaling resistance: (0~600)Pa

For the two types, below items are identical;

Inhaling resistance: ≤700Pa

Fixed Oxygen-supplying: ≥(1.4~1.7)L/min

Manual or automatic oxygen-supplying: ≥80 L/min

Start pressure for Auto-supplying valve: (10~245) Pa

Inhaling Carbon dioxide concentration: ≤1%

Inhaling oxygen concentration: >21%

Warning pressure for alarm: (4~6)M Pa

Warning time for alarm: (30~60)s

Sound level: ≥80dB