... 48" NB 2.DIN FLANGESStandard: DIN2527,DIN2566,DIN2573,DIN2576,DIN2641,DIN2642, DIN2655,DIN2656,DIN2627,DIN2628,DIN2629,DIN2631 DIN2632,DIN2633,DIN2634,DIN2635 ... .6--PN10,0 (100 /2)SIZE: 1/2" TO 48"type : welding neck flange, lap joint flange, thread flange, slip on flange,socket welding flange,blind flange ...