... ANSI,DIN,EN1092-1 4.Certification:ISO9001-2008,API Flange 1.ANSI FLANGE Standard: ANSI B 16.5ANSI B16.47MSS SP44ANSI ... Class2000,Class2500 SIZE;1/2" NB TO 48"NB2.DIN FLANGE Standard; DIN2527,DIN2566,DIN2573,DIN2576,DIN2641,DIN2642, DIN2655,DIN2656, ... plate flanges);TYPE5(Blank Flange);TYPE11(Weld neck flange);TYPE12(Hubbed slip-on flange for welding);TYPE13(Hubbed Threaded Flange) Pressure Class: PN2 ...