Shandong China Coal Industry & Mining Group Co.,Ltd
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Product Name: Supplier HYF4 isolated negtive pressure oxygen breathing apparatus (20MPa)
Model: HYF4(20MPa)
Main Technical Parameters:
Oxygen bottle maximum working pressure: 20Mpa;
Oxygen storage: in the bottle pressure is 20MPa, the oxygen storage no less than 400L;
Dimensions: L * W * H: (455*375*165)mm;
Weight: excluding the oxygen of Ca(OH)2 absorbent, cooling components and cooler cover no more than 9.3Kg
The oxygen performance of the breathing apparatus:
a. Quantitative amount of oxygen: 1.4±0.1L/min;
b. Automatically suppliers the amount of oxygen:
When the pressure is 20~18Mpa, no less than 100L/min;
When the pressure is 5~3Mpa, no less than 80L/min;
c. Manually supply the amount of oxygen:
When the cylinder pressure of 20~18Mpa, the amount of oxygen is no less than 150L/min; the amount of oxygen is not less than 60L/min when the pressure is not less than 5~3Mpa;
d. Automatic supply valve opening pressure:
Automatic supply valve is open, when the pressure within the low pressure system down to -100~-300Pa;
e. Ventilation flow rate of 1.4L/min, stable airflow, the exhaust valve opening pressure of 100~300Pa;