Carbon steel flange 1. WN Flange, SO Flange, RTJ Flange, BL Flange, LJ Flange, SW Flange, Thread Flange 2.ANSI, BS,DIN,GOST ... , LJ Flange, SW Flange, Thread Flange2.ANSI, BS,DIN,JIS, GOST12820,3.Diameter range:1/2'' ~24'' (DN15~600) 4.Pressure class ... :150 - 1,500LBSMore details:Packing:Technic: ANSI BS DIN GOST standard carbon ...