... Welding Neck Flange, Slip-On Flange, Blind Flange; DIN FLANGES: DIN2527, DIN2573, DIN2576, DIN2633, DIN2566 DIN2543, DIN2573, ... 2634/2635---including PN6, PN10, PN16, PN26, PN40 Flanges; UNI FLANGES: UNI 2253/2254/22762278/22812284/ 6083/6084/ 60896093 ... FLANGES: PN10, PN16, PN25, PN40 Flanges;JIS B2220 / KS B1503 FLANGES: 5K, 10K, 16K, 20K, 30K Flanges. Normal Size: DN15--DN2000mm ( 1/2"-48") flat ...