... , 2634, 2635, 2636,2638,2641,2642 / EN1092-1 TYP01-34 ANSI B16.5 1/2”-24” CLASS 150-2500 ANSI B16.47 ... , 47SER, A(MSS), ASME B16, 47SER, B(API605) API 6A 1-13/16”-30” CLASS 2000-20000 AWWA C207 4”-144 ... XieSKYPE: cnjuneQQ: 2235192007MSN: gloryenergycn MILD STEEL WELD NECK FLANGE RAISED FACE