Pneumatic diaphragm valve is a new type of electric valve that uses compressed air as the power source and converts the pneumatic signal into an electrical signal through an actuator to drive the valve action. It has the advantages of simple structure, small volume, light weight, vân vân. It use in the automatic control system of petroleum, hóa chất, metallurgical and other industries as a regulating and intercepting device.
Professional introduction to knife gate valve
Knife gate valve is a type of flat gate valve. It adopts a wafer-type connection method, with a shorter valve body and a thinner gate plate. There is a knife-shaped oblique cut at the bottom of the gate, which can … Đọc tiếp