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 the environment existing noxious or anoxic environment.

Duration: ≥45min

Capacity of oxygen bottle: ＞0.3L

Filling pressure for oxygen bottle: ≥19MPa

Oxygen storage: ≥80L

Quantity fixed oxygen-supplying: ＞1.2L/min

Manual or automatically oxygen supplying: ＞60L/min

Exhaust pressure: 150 Pa～300Pa

Dimension: 235×170×95mm

Weight: 2.3kg