Duckbill valve manufacturing material: neoprene, nitrile rubber and ethylene propylene rubber ect; flange material: Q235, SS304, SS316. Duckbill valve types generally have: XH81 type duckbill valve, XH81A type duckbill valve, XH41 type duckbill valve, XH41A type duckbill valve, built-in duckbill valve, HYDY type duckbill valve, the XF series duckbill valve, RH641 type duckbill valve, RL-F series duckbill valve, rubber slow closing check valve, double flange telescopic valve disc, rubber slow closing valve, sewage rubber check valves, rubber flexible check valve, Senior soft sealing gate valve, blocking hoop type rubber drain valves, sleeve type rubber sewage check valve, flanged rubber check valves.
Duckbill valve is a full rubber structure elastomer in the form of a duckbill shape, with "forward outflow, reverse non-return function” model to the drain valve products. According to the stress analysis and stress calculation, aiming at different conditions by different design mechanisms, selecting of different rubber material. It is widely used in municipal, water, sewage treatment and other various effluent outfall, prevent backflow.
