GRAT Control Valve、ELECTRIC ACTUATOR、ELECTRIC BUTTERFLY VALVE、ELECTRIC BALL VALVE、ELECTRIC CONTROL VALVE

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Pneumatic Butterfly Valve Working Principle And Characteristics

Pneumatic butterfly valve, the valve plate rotates around the axis 90°, to achieve the purpose of opening and closing. Pneumatic butterfly valve in the pipeline is mainly used to cut off, distribute and change the direction of flow.

Pneumatic butterfly valve is widely used, the veriaty and the number continues to expand. Large diameter, high sealing, long life, excellent performance, regulating the valve direction, the reliability and other performance have reached a high level, In large and medium caliber, low pressure areas of other industries, the butterfly valve will also be one of the main types of valves.

Compared with other types of valves, small electric butterfly valve has the following advantages:

1.Small fluid resistance.

2.Fast and easy to switch, as long as the valve stem rotated 90 degrees, easy to achieve rapid opening and closing.

3.Good sealing performance. Butterfly valve seat ring is generally made of elastic material such as PTFE, easy to ensure the seal, and the sealing force of the ball valve increases with the media pressure increases.

4.Stem seal is reliable.As only for rotary movement, so the stem packing seal is not easy to be destroyed, the stem sealing force increases with the increase of medium pressure.

Preview : Valve Routine Maintenance

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