Gate Valve is an open and close part of the gate, the movement direction of the gate is perpendicular to the direction of the fluid, the gate valve can only be fully opened and closed, can not be adjusted and throttled. Gate valves are sealed by contact between the seat and the gate. Metal is usually surfacing on the sealing surface to increase wear resistance. Gate valves have rigid gate and flexible gate. According to the gate, gate valves are divided into rigid gate and flexible gate.

Advantages

1.Low flow resistance. The medium channel inside the valve body is straight, the medium flows in a straight line, flow resistance is small.

2.the opening and closing time is less effort. Is compared with the globe valve, because whether open or close, the gate motion direction and the medium flow direction are perpendicular.

3.High height and long opening and closing time. The opening and closing stroke of the gate is large, and the lifting is carried out by screw.

4.Water hammer phenomenon is not easy to produce. The reason is the long shutdown time.

5.The media can flow in any direction on both sides, easy to install. Gate valve channels are symmetrical on both sides.

6.The length of the structure (the distance between two connecting end faces of the shell) is small.

7.Simple shape, short structure length, good manufacturing process, wide application range.

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