brass valve

Brass valveis 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 vale more practical and more perfect.The valve can be matched with straight pipeline,flange pipe,cement pipe.At the same time,the may be widely used on the coast,seasands,reservors,and so on in order to dispose the sewage or to dredge the floods.Indeed ,it is environmentally-friendly valve. Duckbill Check Valve 1.Low headloss in direction of flow 2.Minimal maintenance 3.Preventing backflow 4.Self cleaning 5.Withstanding wearing 6.Quiet operation