... flange 1. WN Flange, SO Flange, RTJ Flange, BL Flange, LJ Flange, SW Flange, Thread Flange 2.ANSI, BS,DIN,GOST Carbon steel flange1. WN Flange, SO Flange, RTJ Flange, BL Flange, LJ Flange, SW Flange ... ,3.Diameter range:1/2'' ~24'' (DN15~600) 4.Pressure class:150 - 1,500LBSMore details:Packing:Technic: ANSI BS DIN GOST standard carbon steel flange