Product Type: Check ValveProduct Name:Diaphragm Type Check ValveProduct Details:Place of Origin: ChinaCertification: ISO9001-CEDiaphragm check valve can automatically open or close according to the flow of medium, in case of backflow and reversal of pump and motor. Through choose different structures and materials, the valve widely used for water, steam, oil, acid, alkali and other mediums.Check valve also known as clack valve, non-return valve or one-way valve,There are various types of check valves used in a wide variety of applications and are available in a wide range of sizes and costs.