Duckbill Check Valve - Home | Facebook

Duckbill Check Valve. 51 likes. Duckbill Check Valves are one-piece ... Good day! Sorry for the ... a customer from the USA placed us an order of duckbill valves of 72” through his representative Mr. S in China. The duckbill ...

Advantages of Duckbill Check Valve - XINLI of China

Advantages of Duckbill Check Valve. Duck mouth 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 ...