As a kind of pump valve fitting, the working principle of the pneumatic ball valve is mainly to control the valve to be open or blocked by means of a rotary valve core. Usually, the pneumatic ball valve switch of the pump valve assembly is light and compact, can be made into a large diameter, reliable sealing, simple in structure, convenient in maintenance, the sealing surface and the spherical surface are often in a closed state, and is not easy to be eroded by the medium, so it is widely used in various industries. Applications.
In the pump valve fittings, the pneumatic ball valve and the plug valve belong to the same type of valve. The main difference is that the closing member is a ball, and the ball rotates around the center line of the valve body to achieve a valve that opens and closes. Pneumatic ball valve is mainly used in the pipeline to do fast cutting, distributing and changing the flow direction of the medium. Pneumatic ball valve is a new type of valve with many advantages.
First of all, in practical applications, the pneumatic valve of the pump valve fitting has very little resistance to the fluid, and the resistance coefficient is usually equal to that of the same length of the pipe section. Second, the structure of the product itself is simple and reasonable, small size, and light weight. In addition, the product is tight and reliable, ball valve sealing surface materials are widely used plastic, good sealing, has also been widely used in the vacuum system.
For the user, the pneumatic valve of the pump valve fitting is easy to operate, sensitive to open and close, and only need to rotate 90 degrees from full-on to full-off so as to facilitate remote control. Easy maintenance, pneumatic ball valve structure is simple, the seal ring is generally active, removal and replacement are more convenient. When fully open or fully closed, the sealing surfaces of the ball body and the valve seat are isolated from the medium. When the medium passes through, the sealing surface of the valve will not be eroded.
Not only that, the pneumatic valve of the pump valve fitting can be used in different work situations. Its diameter ranges from small to several millimeters, to several meters, and it can be applied from high vacuum to high pressure. Because the pneumatic ball valve power source uses gas, it is generally 0.2 to 0.8 MPa pressure, which is relatively safe. In addition, the pneumatic valve of the pump valve fitting is very safe to use, and it has no pollution to the environment in terms of hydraulic motion and electric motion. http://www.dmgcastings.com/