... Steel Flange 2) ANSI B16.5/B16.47 Flange, DIN Standard Flange, EN1092-1 Flange 3) EN10204 3.1 ... Certificate Flanges Standard: 1)ANSI B16.5 Class150,300,600,900,1500,2500 WN/SO/BL/TH/LJ/SW ... )6-Bar(DIN 2573,2527,2631), 10-Bar(DIN 2576, 2527, 2632), 16-Bar(DIN 2543,2527,2633), 25-Bar(DIN 2544, 2527 ... NP/2, NP/3, NP/4, NP/8, (NP=600 kpa, 1000kpa,1600kpa, 2500kpa, 4000kp )FlangeMaterial:1.4404/F316L ...