Specifications
positive pressure oxygen respirator
Breathing apparatus
Oxygen provider
Compressed oxygen respirators
Positive pressure oxygen respirator
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.
Features
1.Logical structure design, comfortable and reliable.
2.Logical casing design, crush-proof, good impermeability, safe and stable.
3.HYZ4 cooling canister chamber equips with drainage, which protects against the breathing system resistance.
4.Excellent cooling performance, light and easy to carry.
5.Adjustable constant flow unit: Users can adjust the oxygen supply constant amount according to their needs. The supply is stable, clear and long lasting.
6.Self-supplement unit: supplement oxygen in time, safer and save more oxygen.
7.Face mask is equipped with quality speaking unit and drainage , more convenient and user friendly.
Parameters
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
