HYZ-2/HYZ-4 Isolated Positive Pressure Oxygen Breathing Apparatus is used for personal protection, with reliable performance, comfortable carrying and convenience for maintenance. Main application into coalmine, fire protection, chemical industry, tunnel, scientific research fields where there is noxious & anoxic gas or oxygen insufficient emergency disaster exist.
|
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 |
|
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