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UNI 2225-67 esecuzione SM* E SF** (DIN 2513 FORM V 13) and (DIN 2513 FORM R 13) Weld neck flanges
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UNI 2226-67 esecuzione DM * E DF ** (DIN 2512 FORM F) and (DIN 2512 FORM N) Weld neck flanges
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UNI 2229-67 (DIN 2526 FORM C) Weld neck flanges
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UNI 2253-67 PN 6 and UNI 2254-67 PN 16 BSPT Threaded Flange with collar
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UNI 2255-67 PN 40, UNI 2256-67 PN 64 and UNI 2257-67 PN 100 BSPT Threaded Flange with hub
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UNI 2280-67 PN 6 (DIN 2631 ND6) Weld neck flanges
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UNI 2281-67 PN10 (DIN 2632 ND10) Weld neck flanges
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UNI 2282-67 PN 16 (DIN 2633 ND16) Weld neck flanges
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UNI 2283-67 PN25 (DIN 2634 ND25) Weld neck flanges
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UNI 2284-67 PN 40 (DIN 2635 ND40) Weld neck flanges
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UNI 2285-67 PN64 and UNI 2286-67 PN100 Weld neck flanges
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UNI 2289-67 PN 6, UNI 2290-67 PN 10 and UNI 2291-67 PN 16 Weld neck flange collar to weld head
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UNI 2292-67 PN 25 and UNI 2293-67 PN 40 Weld neck flange collar to weld head
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UNI 2299-67 PN 25 and UNI 2300-67 PN 40 Weld Flange with support collar to weld head
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UNI 6083-67 PN 25 – UNI 6084-67 PN 40 Flat plain slip-on flange
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UNI 6088-67 PN 6 (DIN 2641 ND 6) Lap joint flanges
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UNI 6089-67 PN 10 and UNI 6090-67 PN 16 (DIN 2641 ND 6) Lap joint flanges
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UNI 6089 PN 10 Lap joint flanges in aluminium (DIN 2642 ND 10)
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UNI 6091-67 PN 6 (DIN 2527 ND 6) Blind Flange
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UNI 6092-67 PN 10 (DIN 2527 ND10) Blind Flange
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UNI 6093-67 PN 16 (DIN 2527 ND 16) Blind Flange
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UNI 6094-67 PN 25 and UNI 6095-67 PN 40 Blind Flanges
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UNI 6096-67 PN 64 and UNI 6097- 67 PN 100 Blind Flanges
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UNI 6098-67 PN 160 and UNI 6099-67 PN 250 Blind Flanges
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UNI Flange Bolting Specifications
UNI Flange Summary Chart
Description | Rated Pressure / Presión Nominal / Nenndruck (in bar) (1 bar = 14.5 psi) | ||||||||||||
| 1 | 2.5 | 6 | 10 | 16 | 25 | 40 | 64 | 100 | 160 | 250 | 320 | 400 |
| DIN | ||||||||||||
Blind Flanges |
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| 6091 | 6092 | 6093 | 6094 | 6095 | 6096 | 6097 | 6098 | 6099 |
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Flat flange for welding (slip-on) |
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| 2276 | 2277 | 2278 | 6083 | 6084 |
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Welding neck flanges | 2280 | 2281 | 2282 | 2283 | 2284 | 2285 | 2286 | ||||||
Lapped flanges, Plain collars |
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| 6088 | 6089 | 6090 |
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Loose flanges and rings for welding |
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Loose flanges and rings with neck for welding |
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Oval plain threaded flanges |
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Oval flanges, with neck threaded |
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Threaded flanges with neck |
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| 2253 | 2254 |
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Long neck welding flanges |
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Hubbed slip-on flanges for welding |
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