... 150-#2500 3.Material:SS,CS,Alloy 4.Standard:ASME,BS,GOST,eg 5.Certificate:API,ISO,CE,eg ... .Standard:ASME,BS,GOST,eg 5.Certificate:API,ISO,CE,eg ANSI SW Forged Flange size1/2" to 24" ASME B16 ... .526"to 80" ASME B16.47TypeWNF, SO, SWF, BL ... A, B, C, D, EstandardASME B16.5, ASME B16.47, ASME B16.36,DIN 86341-2000, DIN2505materialCarbon steel(ASTM A105 ...