Check valves made in our company have been constanly receiving reputation 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 pipeline,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 environmentally-friendly valve.
Matdhing Pipeline DN Valve Step(A) Pipeline Touching(B>)
1/2-3/4 15 15
1-1-1/4 20 20
1-1/2-2-1/2 25 25
3 40 40
4 50 50
6 50 50
8 50 50
10 50 50
12-14 100 100
16-20 150 150
24-36 200 200
42 250 250
48-60 300 300
72 400 400
