The role of the valve

The role of the valve, there are two: one is cut off from acting, more choice of gate valves, gate opening and closing direction and generally fluid (gas, liquid) perpendicular to the direction adopted, such as hot air valve, cold air valve, combustion valves, gas burner valves, cold air gates, gas shut-off valve and the air shut-off valve. Another is the regulatory role, the choice of the valve plate can rotate the butterfly valve in the valve body, such as gas valve, air valve and mixed air control valve. Valve according to their different purposes and working conditions, choose a different material and structure.