... , SO Flange, RTJ Flange, BL Flange, LJ Flange, SW Flange, Thread Flange 2.ANSI, BS,DIN,GOST Carbon steel flange1. WN ... , SO Flange, RTJ Flange, BL Flange, LJ Flange, SW Flange, Thread Flange2.ANSI, BS,DIN,JIS, GOST12820,3.Diameter range:1 ... :150 - 1,500LBSMore details:Packing:Technic: ANSI BS DIN GOST standard carbon steel flange