Flexible Rubber Duckbill Valve for Wastewater Drainage Anti Backflow Duckbill Valve

FUNCTION:

Improving operational efficiency: It can quickly respond to fluid changes, control water flow direction and flow rate, reducing waste and loss of water resources.
Protecting facility safety: It can effectively prevent backflow phenomena, avoiding damage and destruction to hydraulic facilities, and ensuring their safe and stable operation.
Reducing maintenance costs: Its simple structure and easy installation result in low maintenance costs, reducing the overall maintenance expenses of hydraulic facilities and improving economic benefits.

H81. XH41. XH81A. XH41A Rubber Sewage Check Valve(Duck-billed flexible check valve in Spain and Duck-billed Rubber Flat bil valve) is redesigned revolutionarily on the base of Spanish Ross valve company and Ameri-can Red Valve company.Thanks for its further improvement ,the valve has greater intensity,toughness and tightness.

The rubber sewage check valve is a type of valve specifically designed to prevent the back flow of sewage and is widely used in wastewater treatment plants, drainage systems, tidal operations, and other similar applications.the valve is free from any repair and maintenance in the view of having no movable parts.Matching with straight pipe, flange pipe, concrete pipe and glassy steel pipe,As green environment friendly valve, it can deal with the difficulty of obstruction by sand,block,silt and so on .

Rubber Sewage Check Valve(Duck-billed valve)
Product name:Rubber Sewage Check Valve(Duck-billed valve)
Material:rubber
Size:DN20mm-DN3000mm
Connection method: flange, clamp
Application fields: coast, beach, wharf, reservoir, municipal drainage,
Color:black

diameter	Outer diameter(DW)		size(XL-T)	length(L)	height	The depth of the fit
diameter	DW	DO	XL100-100-T	158	100	40
100	108	108
100	114	114
125	133	133	XL125-140-T	232	140	50
125	140	140	XL125-140-T	232	140	50
150	159	159	XL150-200-T	270	200	50
150	168	168	XL150-200-T	270	200	50
200	219	219	XL200-255-T	320	255	50
250	273	273	XL250-265-T	360	265	75
300	325	325	XL300-325-T	450	325	115
350	377	377	XL350-425-T	560	425	115
400	426	426	XL400-525-T	650	525	135
450	480	480	XL450-625-T	750	625	150
500	530	530	XL500-725-T	850	725	200
600	630	630	XL600-825-T	950	825	200
700	720	720	XL700-925-T	1060	925	200
800	820	820	XL800-1080-T	1200	1080	250
900	920	920	XL900-1250-T	1260	1250	250
1000	1020	1020	XL1000-1400-T	1450	1400	250