SCBA Demand Valve Supply Valve

 SCBA Demand Valve

The gas supply valve is connected with the reducer through the medium pressure hose. When the user breath difficultly, they can press the red button "on" and the valve will increase the amount of gas to 450 L / min automatically (air supply valve will reach the amount of gas in 1/10 seconds).

It’s lightweight and the structure is compact. It’s made of fire resistant material and fast connected with the mask throng spring button and express interface. 

Maximum gas supply: 450 L / min