plug valve is a rotational motion valve
Plug Valve is a rotational motion valve used to stop or start fluid flow. The name is derivedfrom the shape of the disk, which resembles a plug. A plug valve is shown in Figure. Thesimplest form of a plug valve is the petcock. The body of a plug valve is machined to receivethe tapered or cylindrical plug.
The Plug Valve is basically Ski on-off valve based on a plug with a rectangular hole through which the fluid flows. The plug is either tapered or cylindrical and is located in the valve body and can be rotated through a quarter turn to line the hole up with the pipe when open or across the pipe when closed. The plug can be adapted for multi-port use allows the valve to be used for diverting flow. The valve can engineered with a lubricated plug which uses the lubricant to enable convenient operation over a wide range of pressures. The lubrication film also provides a seal.
More products of valves
