Natural selection valve for the medium

Door pneumatic auto drain
Cut-off valve is used for media, resulting in fully open stream media throughout the pressure loss to a minimum. Valve usually does not need to frequently open and close, and hold the door fully open or fully closed state. The rules do not consider or Robin. For high-speed flow of the media gateway according to local conditions can cause vibration of the gate electrode of the gate and seat vibration may damage the sealing surface of the throttle causes the gate is subjected to the corrosive medium. The main difference is in the form of a structure shaped sealing element. Gate valve according to the form of sealed components, often in several different ways, such as divided into: wedge gate valves, parallel gate valve, parallel gate valve, wedge gate boarding gate. Parallel gate valve, gate valve, the most common form.flange solenoid valve