4 hour isolated positive pressure oxygen breathing apparatus meeting MT867-2000 standard that we research and develop fully takes up
advantages of similar products at home and abroad and particularly reflects small volume, light weight, reliable performance and comfortable to adorn on product mix design combining the physical truth of our country’s ambulance corps. In addition, it is suitable for ambulance members to be use under mine, tunnel and strait conditions. Positive pressure oxygen breathing apparatus can operate at any poisonous and anoxic surroundings and danger zone.
HYZ4 isolated positive pressure oxygen breathing apparatus are mainly suitable for poisonous and harmful gas of coal mine, fire
fighting, chemical industry, tunnel, scientific research and high-rise buildings, rescue and relief in anoxic disaster environment
and seek for expedition.
Main Parameter
Respiration: 30L/min
Expiratory resistance: ≤600Pa
Respiratory resistance: >0
Oxygen supply ration: 1.6±0.1L/mi
Automatic oxygen supply ration: >100L/min
Manual oxygen supply ration: >100L/min
Automatic valve supply mpa: 50-245Pa
CO2 density in respiration:<1%
Oxygen density in respiration: >21%
Alarm pressure of annunciator: 4~6MPa
Alarm duration of annunciator: 30~60S
Volume:≥80db
Expiratory resistance: ≤600Pa
Respiratory resistance: >0
Oxygen supply ration: 1.6±0.1L/mi
Automatic oxygen supply ration: >100L/min
Manual oxygen supply ration: >100L/min
Automatic valve supply mpa: 50-245Pa
CO2 density in respiration:<1%
Oxygen density in respiration: >21%
Alarm pressure of annunciator: 4~6MPa
Alarm duration of annunciator: 30~60S
Volume:≥80db
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