| UNI 2225-67 esecuzione SM* E SF** (DIN 2513 FORM V 13) and (DIN 2513 FORM R 13) Weld neck flanges |
| UNI 2226-67 esecuzione DM * E DF ** (DIN 2512 FORM F) and (DIN 2512 FORM N) Weld neck flanges |
| UNI 2229-67 (DIN 2526 FORM C) Weld neck flanges |
| UNI 2253-67 PN 6 and UNI 2254-67 PN 16 BSPT Threaded Flange with collar |
| UNI 2255-67 PN 40, UNI 2256-67 PN 64 and UNI 2257-67 PN 100 BSPT Threaded Flange with hub |
| UNI 2276-67 PN6 (DIN 2575 ND6), UNI 2277-67 PN10 (DIN 2576 ND10), UNI 2278-67 PN16 (DIN 2577 ND 16) Flat flange for welding (slip on) |
| UNI 2280-67 PN 6 (DIN 2631 ND6) Weld neck flanges |
| UNI 2281-67 PN10 (DIN 2632 ND10) Weld neck flanges |
| UNI 2282-67 PN 16 (DIN 2633 ND16) Weld neck flanges |
| UNI 2283-67 PN25 (DIN 2634 ND25) Weld neck flanges |
| UNI 2284-67 PN 40 (DIN 2635 ND40) Weld neck flanges |
| UNI 2285-67 PN64 and UNI 2286-67 PN100 Weld neck flanges |
| UNI 2289-67 PN 6, UNI 2290-67 PN 10 and UNI 2291-67 PN 16 Weld neck flange collar to weld head |
| UNI 2292-67 PN 25 and UNI 2293-67 PN 40 Weld neck flange collar to weld head |
| UNI 2299-67 PN 25 and UNI 2300-67 PN 40 Weld Flange with support collar to weld head |
| UNI 6083-67 PN 25 – UNI 6084-67 PN 40 Flat plain slip-on flange |
| UNI 6088-67 PN 6 (DIN 2641 ND 6) Lap joint flanges |
| UNI 6089-67 PN 10 and UNI 6090-67 PN 16 (DIN 2641 ND 6) Lap joint flanges |
| UNI 6089 PN 10 Lap joint flanges in aluminium (DIN 2642 ND 10) |
| UNI 6091-67 PN 6 (DIN 2527 ND 6) Blind Flange |
| UNI 6092-67 PN 10 (DIN 2527 ND10) Blind Flange |
| UNI 6093-67 PN 16 (DIN 2527 ND 16) Blind Flange |
| UNI 6094-67 PN 25 and UNI 6095-67 PN 40 Blind Flanges |
| UNI 6096-67 PN 64 and UNI 6097- 67 PN 100 Blind Flanges |
| UNI 6098-67 PN 160 and UNI 6099-67 PN 250 Blind Flanges |
| UNI 6100-67 Flange Tolerances |
| UNI Flange Bolting Specifications |
