F9610 Series Flap Valve

■  Unique Design

Double hingles for all sizes flap valve, door self-adjust to fit the frame at the closing position
The profile seal is vulcanized ( not bonded by adhesive ) into ONE-PIECE for long service life
Anchor bolting and sponger rubber seal between flap valve and wall, grouting is not necessary
Sealing surface has a angle of 10-15° from vertical direction, helps sealing performance
 

■  Materials

Flap valve is an important flow control device widely used in drainage systems, water treatment projects, sewage management, hydraulic engineering, and industrial pipeline applications. Designed to control fluid flow and prevent backflow, it provides reliable operation, simple maintenance, and long-term performance in various working environments. With its practical structure and effective sealing capability, flap valve plays a key role in maintaining stable and efficient fluid management systems.