Check_Valve

The check valve, also known as the one-way valve or the non-return valve, is a type of automatic valve that opens and closes by the pressure of the flowing medium. Its main function is to allow fluid to flow in only one direction in the pipeline, and effectively prevent backflow, water hammer and equipment damage caused by reverse flow. The check valve is widely used in pump outlets, compressors, water supply and drainage systems, HVAC, petrochemical industry, hydraulic and pneumatic systems, etc., to protect pumps, compressors, instruments and pipelines, and maintain stable operation of the whole system.