... 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 ... class:150 - 1,500LBSMore details:Packing:Technic: ANSI BS DIN GOST standard carbon steel flange