Do you know Pneumatic O-type Shut-off Ball Valve?

It is composed of pneumatic O-type cut-off ball valve and pneumatic double-acting actuator. It has the advantages of simple structure, small size, light weight, convenient operation, etc. It can be widely used in automatic adjustment and remote control of industrial production processes such as petroleum, chemical industry, hydropower, light textile and so on.

Pneumatic O-type cut-off ball valve is mainly used to cut off or connect the medium in the pipeline, and can also be used for fluid regulation and control. Compared with other valves, it has the following advantages.

1. The fluid resistance is small. The ball valve is the one with the smallest fluid resistance among all valves. Even the reduced diameter ball valve has a relatively small fluid resistance.

2. The thrust bearing reduces the friction torque of the valve stem, which can make the long-term operation of the valve stem balanced and flexible.

3. The valve seat has good sealing performance. The sealing ring made of ammunition materials such as PTFE is easy to seal in structure, and the sealing ability of the ball valve increases with the increase of the medium pressure.

4. The valve stem is sealed reliably. Since the valve stem only rotates and does not move up and down, the packing seal of the valve stem is not easy to be damaged, and the sealing capacity increases with the increase of the pressure of the medium.

5. Since PTFE and other materials have good self-lubrication, the friction loss with the ball is small, so the service life of the ball valve is long.

6. The bottom-mounted valve stem and the valve stem head are convex to prevent the valve stem from being ejected. If the valve stem seal is damaged due to fire, metal contact can also be formed between the convex step and the valve body to ensure the valve stem seal.

7. Anti-static function: A spring is set between the ball, the valve stem and the valve body, which can export the static electricity generated during the switching process.

See the Sample:Pneumatic Valve

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