HYZ4 (C) isolation type positive pressure oxygen respirator (hereinafter referred to as the respirator) is based on carbon fiber cylinder bearing compressed oxygen gas source of the closed loop breathing and protection device for the human body, can give the operator of the wear for more than 4 hours of inner loop oxygen supply, can complete isolation outside ambient air, absolute respiratory protection effect. This product fully absorbs the domestic and foreign similar products of advanced characteristics, the main highlight on the design features are: compact structure, wearing comfortable, small size, large gas storehouse, light weight, easy tear open outfit, easy to use and so on. And the application of advanced production technology and management mode, to ensure that the product's aesthetics and durability.
This product within the loop oxygen to ensure workers enter the harmful environmental area clean gas and face protection.
Product main application range: disaster relief, disaster processing, mining, tunnel and sanitation, chemical plants, as well as in reconnaissance work wear.
Main technical parameters:
| Category | Instructions | |
| Rated protective time (medium) | ≥4h | |
| Oxygen rated working pressure | 20MPa | |
| Oxygen tank internal water volume | 2.4L | |
| Gas volume of oxygen under standard conditions | 480L | |
| Filling calcium hydroxide | 2.2Kg | |
| Overall dimensions | 600mm×400mm×180mm | |
| Respirator net weight | 12.4 Kg (do not contain calcium hydroxide, not filling oxygen) | |
Main performance:
| Category | Instructions | |
| Respiratory | 30L/min | |
| Expiratory resistance | ≤600Pa | |
| Inspiratory resistance | 0～500Pa | |
| Quantitative oxygen | ≥1.4L/min | |
| Automatic supply oxygen | ≥80L/min | |
| Manual supply oxygen | ≥80L/min | |
| Automatic supply opening pressure | (50～250)Pa | |
| Breathe in carbon dioxide concentration | ≤1% | |
| Breathe in the oxygen concentration | ≥21% | |