■ Tilting Check Valve, a cylindrical body, with a disc-shaped flap inside, which holds and carries the flap inside the valve They are check valves that consist of a shaft, weight arm and weight and take up less space than swing check valves. Not recommended for use in wastewater.

■ When the water flow starts, the check valve flap is pushed by the pushing force of the water and continues its flow towards the flooding direction. When the water flow stops, the valve starts to close. The check valve is closed with the help of the weight attached to the damper shaft and the pushing force of the returning water. To the flood or flow line prevents the return of water.