This self rescue has smaller, lighter and portable characteristics. Its applied to fire, gas explosion, coal ash exploded or ot

1. This self rescue has smaller, lighter and portable characteristics. Its applied to fire, gas explosion, coal ash exploded or other toxic and harmful environment in underground workplace of coal mine for protect the worker to escape with life and limb when they working.

2. Main Technical Parameter

2.1 Protective time: ≥60

2.2 Inhalation Resistance: ≤275Pa (flow quantity 30L/min) ≤880Pa (flow quantity 85L/min)

2.3 Exhalation Resistance: ≤98Pa (flow quantity 30L/min) ≤340Pa (flow quantity 85L/min)

2.4 Aspirated Humidity: The aspirated hygrometer is under 50 degree while take the concentration of CO is 1% in the air.

2.5 Open Wrench Force: 39N-118N

2.6 Withdrawal Filter Force: ≤98N 2.7 CO Concentration Limit Protection: ≤1.5%

2.8 The Weight of the Whole Product: ≤ 350g

2.9 Overall dimensions: 58mm × Φ 100mm (height × diameter )