... Certificate Forged Carbon Steel Flange:Welding Neck Flanges, Slip-on Flanges, Blind , Plate Flanges, Socket Weld Flanges,Threaded Flanges, Lap Joint Flanges, Orifice Flanges, ... DIN2633, DIN2634, DIN2635, DIN2636, DIN2637, DIN2638, DIN 2573, DIN 2576,DIN 2501,DIN 86030,DIN EN 1092-1PRESSURE GRADE:6Bar, 10Bar, 16Bar, ... 5,PN6,PN10,PN16,PN25,PN40 4. ISO Flanges STANDARD: ISO 7005-1PRESSURE GRADE:PN2.5,PN6 ...