Flap Valve

Material: Body/Disc: Ductile Iron,   

Pin: Stainless steel 304, 

Hinge: Ductile iron, Body ring /Disc 

ring: Brass/Bronze

Coating: Internal and external with fusion bonded epoxy coating

Size: DN80-DN600mm

Flap Valve is a type of flow control valve designed to prevent backflow and flooding in pipes and channels. This simple yet effective valve consists of a hinged flap or door that opens in one direction to allow flow and closes tightly to prevent flow in the opposite direction. Flap Valves are commonly used in stormwater and wastewater applications, as well as in industrial processes, to protect against backflow and the resulting damage and contamination.

The Flap Valve is installed at the outlet or inlet of a pipe or channel to prevent backflow, flooding, and the intrusion of insects and rodents. The valve works by allowing flow from the upstream direction, as the flap is pushed open by the flow force, and then closing tightly as the flow stops or changes direction. The flap is typically made of durable materials like stainless steel, rubber, or plastic, and is designed to withstand high flow rates and pressure.

Flap Valves come in a variety of sizes and configurations to suit the specific requirements of each application. They can be used in single or multiple installations, and can be customized with additional features like screens, covers, and frames. Some Flap Valves are designed to be self-cleaning, with a built-in mechanism that flushes out debris and sediment.

In summary, Flap Valves are a critical component of any piping system designed to prevent backflow and flooding. They are simple, reliable, and effective, and are available in a wide range of sizes and configurations to suit any application. Whether you are designing a stormwater system, wastewater treatment plant, or industrial process, Flap Valves are a must-have to protect against costly damage and contamination.