Full Flow Rubber Flapper Foot Valves are designed for water or sewage, and are suitable for submerged service.
The Rubber Flapper Foot Valve is installed in the vertical position with the direction of flow in upwards. In this position the Foot Valve is normally closed.
The Foot Valve opens while the centrifugal pump is running and closes when the pump stops running to maintain a flooded suction and primed pump.