The flap valve consists of valve body, valve disc, hinges, and a copper alloy sealing surface. This series offers both circular and square configurations, both featuring a dual-hinge connection between the valve body and disc for secure and reliable operation. Key Features: Simple Structure: Requires no manual operation. Installation Flexibility: Connects via flange or embedded mounting. Sealing Performance: Withstands reverse water head of 8 meters to ensure tight sealing. Anti-Back flow Function: Effectively prevents water back flow in applications such as irrigation, water treatment plants, flood control, and wastewater management. Applications: Widely used in industries requiring reliable back flow prevention, including municipal water supply, agricultural irrigation, and sewage systems.

Main Overall Dimensions Unit：mm