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Positive pressure oxygen respirator
HYZ2 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.Facemask is equipped with quality speaking unit and drainage , more convenient and user
friendly.
Main specification | ||
Item | Specification | |
Type | HYZ-2 | HYZ-4 |
Duration | 120 min | 240 min |
Working pressure for oxygen bottle | 20 MPa | 20 MPa |
Capacity for oxygen bottle | 1.4L | 2.4L |
Oxygen storage | 280L | 480L |
Dimensions | 518×370×160mm | 560×370×160mm |
Weight | 11 Kg | 12Kg |
Breathing rate | 30L/min | |
Exhaling resistance | (0~600)Pa | |
Inhaling resistance | ≤700Pa | |
Fixed Oxygen-supplying | ≥(1.4~1.7)L/min | |
Manual or automatic oxygen-supplying | ≥80L/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)MPa | |
Warning time for alarm | (30~60)s | |
Sound level | ≥80dB | |
