The plug valve is either tapered or cylindrical
PLUG VALVES have been in use for over many years. This valve has been in continuous development over recent years. 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.
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