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Rubber Sewage Check Valve
be made in our company hve been constanly receiving repution not only at home but overseas.This valve is our special product ,and it is used for draining sewage .In such foreign countries as Spain or America,it is usually named as duckmouth-shaped valve .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.
| 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 |
Rubber Sewage Check Valve