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Cast iron ball valve enables more precise regulation and control of flow

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Cast iron ball valve enables more precise regulation and control of flow

Cast iron ball valve enables more precise regulation and control of flow

Cast iron ball valve enables more precise regulation and control of flow

The cast iron ball valve has a rotation of 90 degrees, the plug body is a sphere, and has a circular through hole or passage through its axis. The cast iron ball valve is mainly used in the pipeline to cut off, distribute and change the direction of the flow of the medium. It only needs to rotate with a 90 degree operation and a small rotational torque can close the tightness. Cast iron ball valves are most suitable for use as switches and shut-off valves, but recent developments have designed the ball valve so that it has throttling and control flow.
Cast iron ball valve is mainly used to cut off or connect the medium, but also can be used for fluid adjustment and control. Cast iron ball valve can carry out more accurate flow regulation and control, and three-way ball valve is used to distribute medium and change the flow of medium. Compared with other valves, ball valves have the following advantages:
1. The fluid resistance is small, and the ball valve is the one with the smallest fluid resistance in all valves. Even if it is a reduced diameter ball valve, the fluid resistance is also very small.
2. The switch is quick and convenient. As long as the valve stem rotates by 90°, the ball valve can be fully opened or fully closed. It is easy to achieve rapid opening and closing.
3, good sealing performance. Ball valve seat seals are generally made of elastic materials such as Teflon, which are easy to seal, and the sealing force of the ball valve increases with the increase of the medium pressure.
4, valve stem seal is reliable. When the ball valve is opened and closed, the valve stem only performs rotary motion, so the packing seal of the valve stem is not easily damaged, and the sealing force of the valve stem reverse seal increases with the increase of the medium pressure.
5, cast iron ball valve only open and close 90 ° rotation, it is easy to achieve automatic control and remote control, ball valve can be configured pneumatic device, electric device, hydraulic device, gas-liquid linkage device or electro-hydraulic linkage device.
6. The ball valve channel is smooth and smooth, it is not easy to deposit media, and can pass the ball through the pipeline.

Pub Time : 2018-04-10 14:13:56 >> News list
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