Duckbill Check Valve Product Information

Duckbill check valve is also named rubber slow close check valve duckbill check valve, which has special structure like duckbill. It is one new water supply and drainage valve which has the function of discharge in positive direction while non-return in opposite direction. It can be widely applicable to be mounted on the discharge outlet of municipal, water works, waste water treatment projects to prevent of back flow, so that it has various advantages of slow close, silence, free maintenance and non-corrosive performance. Flowspec Luokai can manufacture the flanged duckbill check valve, slip-on duckbill check valve, inline duckbill check valve, etc. Flowspec Luokai can manufacture the duckbill check valve with materials of Pure Gum Rubber, Neoprene, Chlorobutyl, Buna-N, Polyurethane, Hypalon, Viton, EPDM, available with sizes of 3/4″~120″ (DN20~DN3000mm).