As a result, the elastomer duckbill Tideflex ® Check Valve was specifically designed to eliminate operation and maintenance problems associated with flapgate valves - including corrosion, …

In response to the EPA’s request, the legendary Tideflex® Check Valve was developed and patented. The innovative Tideflex® Check Valve, with its revolutionary duck bill design, is …

Tideflex Technologies was the original inventor and manufacturer of the duckbill style check valve. The curved bill and flat bottom design of the TF1 are features that have made the TF1 the …

Tideflex valves operate using only system pressure, with no external power or actuation required. Their curved bill and flexible elastomer construction enable reliable sealing, even with …

Introduced in 1984, Tideflex® Check Valves are the world's standard for reliable, maintenance-free backflow prevention. Tideflex® Check Valves offer the lowest headloss of any type of …

For Tideflex® fabricated with a curved bill, the valve should be installed so the bill points in the direction of the current, not facing the current which may cause the bill to be forced open.

Tideflex ® Duckbill Check Valves prevent unwanted backflow in outfall applications. The flexible valve closes around trapped solids, and a curved bill returns to a closed position every time, …