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duckbilledrubber flat bill valve
Tideflex Check Valves. Tideflex Duckbill Check Valves have low headloss and achieve the tightest possible seal for backflow operations particularly at low flow rates The flexibility of the Tideflex Check Valve allows the valve to compress around trapped solids providing a much better seal than flapgates With the development of the patented Curved Bill sealing