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Mar 17, 2022 · Duckbill check valves are non-mechanical, require no maintenance, and do not slam when closed. They are also resistant to organic contaminants such as algae and barnacles and have no problem disposing of suspended solids entrained streams, such as abrasive slurries.
Mar 7, 2024 · Explore the ingenious mechanism of duckbill check valves, essential components in fluid systems. Learn how they prevent backflow and the importance of maintenance for optimal performance.
Cla-Val Rubber-Flex Duckbill Check Valves are designed to provide outstanding back-flow prevention; eliminating costly and unwanted back-flow from rivers, oceans, storm water, and is an excellent choice for sewage diffuser systems.
Jun 13, 2024 · A key characteristic of the duckbill check valve is that it requires no intervention to open or close and operates as a result of a pressure differential across the valve – the pressure from a liquid pushes the two-halves apart allowing the fluid to pass through.
Check Valve Slam. Check valve slam occurs after pump stoppage when the system flow reverses back towards the pump before the check valve is fully closed (Figure 1). The reverse flow causes the check valve to close rapidly through the remaining portion of its travel.
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The EPA rigorously tested the Tideflex® Duckbill Check Valve for two years and found that the valve showed “Significant improvement over flap gate valves in terms of leakage inflow, entrapment of debris, capability to self clean and susceptibility to marine fouling.”.
Duckbill check valves offer several advantages over traditional check valve designs. Firstly, their simple and compact design eliminates the need for mechanical components like hinges and springs, reducing the risk of failure and reducing maintenance requirements.
