... : threaded flange, slip-on flange (SO), socket welding flange, lap joint flange (LJF), welding neck flange (WNF), blind flange, orifice flange, reducing flange, pad type flange, loose hubbed flange, welding plate flange, welding ... B2216, ANSI 16.5, ANSI B16.36, ANSI B36.1O-ANSI B36.19, ASME B16.47 SER, B(AP1605), ASME B16, 47SER, A(MSS ...