Check valve systems are used to allow fluid to flow in one direction while preventing backflow in pipelines. Non return valve designs automatically stop reverse flow and protect pumps and piping equipment. NRV non return valve units are commonly installed in water supply lines, fire protection systems, and industrial pipelines. Foot valve installations are typically used in pumping systems to maintain water priming and prevent backflow. Durable check valve non return valve solutions help maintain system efficiency and protect equipment from damage caused by reverse flow in fluid systems.