duckbill check valve water flood diffuser - The Rhinoflex duckbill check valves are a very reliable and a good, economical option to flap-gate valves as well as other check valves. The simple one-piece design and reinforced rubber construction remove the mechanical and metal components that rust and seize in conventional flap-gates. They are made to order, a proven way , non-return check valves, created from various elastomeric rubbers, and built as per the application along with the line pressure and back pressure concerned. These come in all standard pipe sizes, and typical application is back flow prevention and downstream of a pump, at pump stations.
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