Vanne de porte
Gate valve is an open and close part of the gate plate, the movement direction of the gate plate is perpendicular to the direction of the fluid, the gate valve can only be fully open and closed, can not be adjusted and throttled.
Gate valves are sealed by the contact between the seat and the gate. Usually the sealing face is surfacing metal material to increase wear resistance, such as surfacing 1Cr13, STL6, stainless steel, etc.
There are rigid gate and elastic gate.
According to the different gate, gate valves are divided into rigid gate valves and elastic gate valves.