4 Hours Portable Oxygen Breathing Apparatus

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Introduction of 4 Hours Portable Oxygen Breathing Apparatus

4 Hours Portable 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, fir fighting, chemical industry, tunnel, scientific research and high-rise buildings, rescue and relief in anoxic disaster environment and seek for expedition.

Parameter of 4 Hours Portable Oxygen Breathing Apparatus

Model	HYZ4
Exhalation resistance	≤600 Pa
Inhalation resistance	0~600 Pa
Oxygen supply ration	≥1.4 L/min
Automatic & manual oxygen supply ration	≥80 L/min
Automatic opening pressure of supply valve	10~245 pa
Opening pressure of bleed valve	400~700 pa
Inhaling concentrations of carbon dioxide	≤1%
Inhaling oxygen concentration	≥21%
Alarm volume	≥80 dB(A)
Alarm time	30~60 s
Rated service time	4h
Oxygen bottle rated working pressure	20 MPa
Oxygen bottle volume	2.4 L
Oxygen storage	≥480 L
Calcium hydroxide	≥2.1 kg
Weight(without calcium hydroxide & oxygen)	12kg

Pictures of 4 Hours Portable Oxygen Breathing Apparatus