When the water pump is turned off, Foot Valve is used to restrict the backward flow of water through the pipe, ensuring that the water column in the pipe is maintained and all difficulties are rectified. This valve is a lift check valve that is typically fitted in the suction line with suction strainers. Foot Valve is now available in a few ranges like ci Kirloskar medium foot valve, and ci bolt type major foot valve. It keeps the suction tube from becoming empty after the pump has been turned off.