Ball valve, valve standard GB/T21465-2008" term" is defined as : headstock ( sphere ) by stem drive, and around the stem of the axis of rotary motion valve. Mainly used for cutting off or switching on the medium in pipeline, also can be used for flow adjustment and control, wherein the hard sealing of V type ball valve type V ball core and hard surfacing alloy metal valve seat has the very strong shearing force, is particularly suitable for containing fiber, micro solid particles and other media. While ball valves in the pipeline can not only flexibly control the media, stream, and flow to the confluence of the switch, but also can be the closure of any one channel and the other two channels. This type valve in the pipeline in general should be installed horizontally. Classification: ball valve pneumatic valve, electric ball valve, manual valve.

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