Check Valves for Pump Discharge: Backflow, Water Hammer and Equipment Protection
Learn how to choose check valves for pump discharge lines by backflow prevention, reverse rotation, water hammer risk, valve type, installation position, flow rate, pressure, and material.
Why Install a Check Valve at the Pump Outlet?

Learn why check valves are installed at pump outlets to prevent reverse flow, reverse pump rotation, water hammer, seal damage, and unstable system operation. The guide also explains proper installation position, valve selection, and why fast-closing designs such as nozzle check valves are often preferred for pump discharge lines.