It is a breathing apparatus, which utilizes compressed oxygen as source to form isolated oxygen of closed circuit to provide the wearer with clean oxygen, and is mainly used under a mine or in the environment where toxic gases exist or oxygen is deficient.
Rated protective time
| ≥45min
|
Filling pressure for oxygen bottle
| 19-21 MPa
|
Oxygen storage capacity
| ≥80L
|
Inhalation oxygen concentration
| ≥25% (by volume)
|
Inhalation carbon dioxide concentration
| ≤2.0% (by volume)
|
Inhaling temperature (at the ambient temperature of (20±3)℃)
| <50℃
|
|
Oxygen-supplying modes
| Quantitative oxygen supply
| >1.2L/min
|
Oxygen delivery by demand valve
| >60L/min
|
Oxygen delivery by manual switch
| >60L/min
|
Opening pressure of safety valve
| ≤ 1Mpa
|
Opening force of sealing belt
| (40-120)N
|
Automatic opening pressure of automatic supply valve
| (-100 ~ -400)Pa
|
Exhaust pressure
| (150~300)Pa
|
Dimension
| (244*183*102)mm
|
Weight
| 2.3Kg
|
