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.
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 |
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©Shandong China Coal Import & Export Co., Ltd. © 2017
Address: No. 11, North of Kaiyuan Road, High-tech Zone, Jining City, Shandong Province, China
Executive Editor: Zhang Wen / Editor: Linda Zhang