Clamp Duckbill Valve

We are reliable company for making, exporting and supplying of Clamp Duckbill Valves from Zhengzhou, Henan, China. Allow free flow with positive differential pressure. With negative differential pressure, backflow is checked. Pressure drop across the valve is a feature unique to check duckbill valve They can be designed to operate in a few millimeters (inches) of water to several hundred kPa (psi), depending on valve size, geometry and compound characteristics. Duckbill Check Valves are also designed to start functioning at specific opening and closing pressure ranges, depending on your specifications.
Features:
Reliable backflow prevention
100% elastomeric construction eliminates maintenance
Will not corrode, warp or freeze open or shut
1a -2a Cracking Pressure, Low Head loss
Custom built for each application based on pressure and flow conditions.