Flanged Flexible Duckbill Check Valve

Duckbill Check Valve 1,ISO9001 and ISO14001 2,DN50~3000mm 3,Material:rubber,steel 4,12 years OEM manufacturer experience

Duckbill Check Valve,adjustable check valve,duckbill valve

1:Compared with traditional flat valves,it owns obvious advantages:

1, It will start and close automatically according to the differential water pressure,safe,reliable,noiseless,no manual operation or maintenance

2, There is smaller resistence in forward start,small pressure to start,in addition,the flux can be adjusted automatically according to the water pressure.

3, There is sound seal for back stop,no leakage,back flow prevention,the higher the back pressure is ,the better the effect is.

4, Corrosion protection,aging protection,no deformation,high adaption and long service life

5, Wide size,norminal size:DN25mm~DN3000mm

2:Dimension 

Type	Normal diameter of pipes	Length	Height	External diameter of flange
ZXF50-150-F	50	150	100	150
ZXF80-220-F	80	220	140	200
ZXF100-250-F	100	250	200	225
ZXF150-340-F	150	340	265	275
ZXF200-420-F	200	420	325	338
ZXF250-520-F	250	520	425	400
ZXF300-620-F	300	620	524	485
ZXF350-700-F	350	700	625	525
ZXF400-800-F	400	800	725	588
ZXF450-900-F	450	900	825	625
ZXF500-980-F	500	980	925	688
ZXF600-1120-F	600	1120	1025	800
ZXF700-1180-F	700	1180	1125	969
ZXF800-1350-F	800	1350	1400	1080
ZXF900-1500-F	900	1500	1525	1150
ZXF1000-1600-F	1000	1600	1725	1325
ZXF1200-1840-F	1200	1840	1950	1485

  

Certificates obtained:

Duckbill Check Valve,adjustable check valve,duckbill valve

Flanged Flexible Duckbill Check Valve