Class150-2500 Flange Swing Check Valve Swing Type Non Return Valve DN15~1200mm

     Swing check valve is also known as check valve or check valve, its role is to prevent the pipeline medium backflow. Opening and closing parts by medium flow and force to open or close, in order to prevent medium backflow valve called check valve. Check valve belongs to the automatic valve class, mainly used for medium one-way flow pipeline, only allow the medium to flow in one direction, in order to prevent accidents. Valves of this type should generally be installed horizontally in the pipeline. Swing check valve is suitable for nominal pressure PN1.0mpa ~ 42.0mpa, Class150-2500; Nominal diameter DN15~1200mm, NPS1/2~48; Working temperature -196~540℃ all kinds of pipeline, used to prevent medium backflow. Through the selection of different materials (WCB,CF8(M),CF3(M),1Gr5Mo,15CrMo1V, can be applied to water, steam, oil, nitric acid, acetic acid, strong oxidation medium and urea and other media. Mainly used in petroleum, chemical, pharmaceutical, chemical fertilizer, electric power and other pipelines.