Descripción del producto

Duckbill 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.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.
At the meanwhile, they can use in bottle, and so on.