... :carbon steel, 2.size:1/2"-24" 3.Standard:ANSI,DIN,EN1092-1 DIN flanges NameDIN flanges Range½” (15 NB) to 64” (1200NB) in ... , DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636, DIN2637, DIN2638, DIN2673B.S ... loading conditions are substantially constant or fluctuate between wide limits. DIN flanges