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Pneumatic three-piece ball valve in the pipeline is mainly used to cut off the speed, distribution and change the flow direction of the medium.Pneumatic ball valve is widely used as a new type of valve, it has the following advantages:

1.Fluid resistance is small, and its resistance coefficient is equal to the length of the tube.

2.Simple structure, small volume, light weight.

3.It is compact and reliable. The sealing surface of the ball valve is made of plastic and has good sealing performance. It has been widely used in vacuum system.

4.Easy to operate, open and close quickly, from full open to full close as long as the rotation of 90¡ã, easy to remote control.

5.Easy maintenance, pneumatic ball valve structure is simple, sealing ring is generally mobile, disassembly and replacement are more convenient.

6.When fully open or fully closed, the sealing surface of the ball and seat is isolated from the medium. When the medium passes through, it will not cause the erosion of the sealing surface of the valve.

7.Wide range of applications, size from a few millimeters to a few meters, from high vacuum to high pressure can be applied.

Pneumatic three-piece ball valve has been widely used in petroleum, chemical industry, power generation, papermaking, atomic energy, aviation, rocket and other departments, as well as People's Daily life.

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