The ball valve works by rotating the valve plug to make the valve unblocked or blocked. The ball valve switch is light in weight and small in size, the switch can also be made with a large diameter. With reliable sealing, simple structure, convenient maintenance, the ball valve is widely used in various industries. Besides, the sealing surface and the spherical surface of it are often closed, and it is not easily eroded by the medium.
The ball valve and the plug valve are the same type of valve, only the closing member of ball valve is a ball, and the ball rotates around the center line of the valve body to open and close. The ball valve is mainly used in the pipeline to cut, distribute and change the flow direction of the medium.