Good Duckbill Check Valve
Duckbill valve
1.This valve is our special product ,it is used for draining sewage .In such foreign countries as Spain or America,it is usually named as duckmouth-shaped valve .
2.We are continuoully doing our best to make this valve more practical and more perfect .The valve can be matched with straight pipement ,flange pipe ,cement pipe .At the same time ,they may be widely used on the coast,seasands,reservoirs,and so on in order to dispose the sewage or to dredge the floods.Indeed,it is enviromentally -friendly valve.
Features
1.Quiet operation
2.Non slamming
3.Minimal maintenance
4.Seals around trapped objects
5.Low head loss
6.Reliable performance
Applications
1.Sewer Interceptors
2.Outfall Lines
3.Wet/Dry/Wells
4.Storm water discharge
5.Submerged outfall diffuser nozzle
Main Size :
matdhing pipeline DN |
valve step(A) |
pipeline touching (B) |
matdhing pipeline |
valve step(A) |
pipeline touching (B) |
|
1/2"~3/4" |
15 |
15 |
10" |
50 |
50 |
|
1"~1/4" |
20 |
20 |
12"~14" |
100 |
100 |
|
1-1/2~2-1/2 |
25 |
25 |
16"~20" |
150 |
150 |
|
3" |
40 |
40 |
24"~36" |
200 |
200 |
|
4" |
50 |
50 |
42" |
250 |
250 |
|
6" |
50 |
50 |
48"~60" |
300 |
300 |
|
8" |
50 |
50 |
72" |
400 |
400 |
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