Design Non Slam Check Valve/Dual Plate Check ValveBody MaterialCI,WCB, CF8,CF8M , CF3,CF3M DUPLEX SSSize Floating DesignDN20 to DN 150Class PN10-PN20StandardsDesign Standard:End:Testing Standard:Material Standard:API602,ASME B16.34,ASME B16.10ASME B16.5,ASME B16.11,ASME B16.25API598,BS6755 Part I,API600ASTM,NACE MR 0175/ISO 15156-1,2 &3, NORSOK 6 M650API607,ISO 10497,API6FAEnd Connection Wafer NRV