Pneumatic Actuator Ball Valve also named air actuator ball valve and air actuated ball valve. It is a ball valve with a pneumatic actuator. Usually it equipped with a variety of accessories, such as solenoid valve, directional control valve, air filter, limit switch box, positioner, control box, etc. , in order to achieve on-site control and remote centralized control. In the control room, we can control the valve switch and do not need to personally come to the scene or high altitude and dangerous to manual control. To a large extent, saving human resources and time and security.
When the air source through the pneumatic actuator, the actuator will push the valve for the relevant open and close action. Good control effect and strong sealing performance.
Pneumatic actuator ball valve is mainly used to cut off or through the medium in the pipeline, can also be used for fluid regulation and control, it and other valves, with the following 7 advantages.
1. The fluid resistance is small, the ball valve is the smallest of all the valve type of fluid resistance, even if the reducing ball valve, its fluid resistance is also quite small.
2. The thrust bearing reduces the friction Torque of the valve stem, can make the valve stem long-term smooth and flexible operation.
3. The sealing performance of the valve seat is good. The sealing ring made of PTFE and other elastic materials is easy to seal, and the sealing ability of the ball valve increases with the increase of the medium pressure.
4. Stem sealing reliable, as the stem only for rotating movement without lifting movement, the stem packing seal is not easy to destroy.
5. Because 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 lower-mounted stem and stem head convex steps to prevent stem spray, convex steps and valve body can also form metal contact, ensure stem seal.
7. Anti-static Function: a spring is arranged between the ball, valve stem and valve body to transfer the static electricity generated in the switching process.
Post time: Jul-28-2021