Pressure Seal Swing Check Valve

China Swing Check Valve: pressure sealing, butt welded end connection, 2″-36″, DN50-DN900, Class 600-Class 1500 LB, PN100-PN250, WCB/LCB material.Detail InformationForging materials:ASTM1035，ASTM1045，ASTM1021，ASTM1040，ASTM1320/20Mn2，ASTM1340/40Mn2，ASTM5120/20Cr，ASTM5140/40Cr，ASTM4119/20CrMo，ASTM4140/42CrMo，ASTM4135/35CrMo，ASTM4340/40CrNiMo，ST52-3/Q355/16MnForging Method:Closed die forging,Warm forging,Roll ring forging.OEM No:CustomizedWeight:1-100KGSDimension:CustomizedCertificates:ISO/TS16949Heat treatment:Normalizing,Quenching and temperingTest:Magnetic Powder Defects Test, Hardness Test, Dimension Test