What is the ball valve

Ball valve in GB/T21465 - Valve terms defined in the: 2008 open-close part ( A sphere) Driven by the valve stem, and around the axis of rotation movement of the valve stem. Mainly used for truncated or on line in the medium, can also be used for regulation and control of the fluid, including hard seal v-shaped ball valve the v-shaped ball core of carbide surfacing with strong shear force between metal valve seat, especially suitable for fiber, micro solid material such as medium. Multipass ball valve in the line not only can the confluence of flexible control medium, shunt, and the flow switch, at the same time also can close any channel and make the other two. This valve shall generally be installed in the pipeline.