... 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 ... , ANSI B36.1O-ANSI B36.19, ASME B16.47 SER, B(AP1605), ASME B16, 47SER, A(MSS), ASME B16, 47SER, B(API605), AWWA C207, DIN2527, DIN2631, 2632 ...