... : Welding Neck Flanges, Slip-on Flanges, Blind , Plate Flanges, Socket Weld Flanges,Threaded Flanges, Lap Joint Flanges, Orifice Flanges, Figure 8 ... DIN FlangesSTANDARD:DIN2627, DIN2628,DIN2629,DIN 2630,DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636, DIN2637, DIN2638, DIN 2573, DIN 2576,DIN 2501,DIN 86030,DIN ... ,PN6,PN10,PN16,PN25,PN40 4. ISO Flanges STANDARD: ISO 7005-1PRESSURE GRADE:PN2.5 ...