duckbill check valve made in XinLi Pipeline Equipment company have been receiving reputation not only at home but overseas.This valve is our special product,and it is used for draining sewage.
Duckbill check valve can be matched with straight pipeline,flange pipe,and widely used on the coast,sea sands,reservoirs,and so on in order to dispose the sewage or to dredge the floods.Indeed,it is an environmentally-friendly valve.
ducknill check valve,duckbill valve,rubber duckbill check valve
