duckbill check valve water flood diffuser - The Rhinoflex duckbill check valves are a very reliable and an excellent, cost-effective alternative to flap-gate valves as well as other check valves. The easy one-piece design and reinforced rubber construction eliminate the mechanical and metal components that rust and seize in conventional flap-gates. These are customized, a proven way , non-return check valves, produced from various elastomeric rubbers, and built as reported by the application and also the line pressure and back pressure concerned. They come in all standard pipe sizes, and typical application has returned flow prevention and downstream of a pump, at pump stations.
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