... , DIN2573, DIN2544/2545, DIN 2632 / 2634/2635---including PN6, PN10, PN16, PN26, PN40 Flanges; UNI FLANGES: UNI 2253/2254/22762278/22812284 ... -Neck, Blind Flanges; BS4504 / EN1092-1 / TABLE-E FLANGES: PN10, PN16, PN25, PN40 Flanges;JIS B2220 / KS B1503 FLANGES: 5K, 10K ... Flanges. Normal Size: DN15--DN2000mm ( 1/2"-48") flat flange pn16