 
            Application of Mining Rescue Oxygen Breathing Apparatus
1) Any atmospheric environment contaminated by poisonous gases, smoke and steam
2) Temperature: -20 ℃ ~ + 60 ℃
3) Humidity: 0% ~ 10%
4) Atmospheric pressure: 70 ~ 125KPa in atmospheric environment
	
Technical parameters of Mining Rescue Oxygen Breathing Apparatus
| Rated protection time | 4h | 
| Gas cylinder volume | 2.4L | 
| Working pressure | 20MPa | 
| Gas storage capacity of cylinder | 480L | 
| Quantitative oxygen supply | > 1.4L / min | 
| Automatic replenishment oxygen supply | > 80L / min | 
| Exhaust valve opening pressure | 400 ~ 700Pa | 
| Automatic supply valve opening pressure | 50 ~ 200Pa | 
| Intake temperature | ≤35 ℃ (ambient temperature 25 ℃) | 
| Weight | 15Kg | 
| Dimensions | 520 × 420 × 170 (mm) | 

 
 
	
 
                 
                 
             
            