Specialityvalve is the top lift check valve manufacturer in India . Its purpose is to keep the installations from flowing backward. Lift check valves use a guided piston that moves vertically up and down inside the valve instead of a hinged disc. The Lift is another name for the lift check valve disc. When the pressure is high enough, the piston or disc is lifted, enabling flow to pass. Reverse flow closes the valve once more, returning it to its lower position. As a flow controller, the lift check …