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UNI FLANGE SPECIFICATIONS (ITALIAN STANDARD FLANGES DATA CHARTS)

DataTime:[2015-8-8]
·
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 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)  
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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 6100-67 Flange Tolerances   
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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
　
　
6091
6092
6093
6094
6095
6096
6097
6098
 6099
　
　
 Flat flange for welding (slip-on)
　
　
2276
2277
2278
6083
6084
　
　
　
　
　
　
 Welding neck flanges
2280
2281
2282
2283
2284
2285
2286
 Lapped flanges, Plain collars
　
　
6088
6089
6090　
　
　
　
　
　
　
　
　
 Loose flanges and rings for welding
　
　
　
　
　
　
　
　
　
 Loose flanges and rings with neck for welding
　
　
　
　
　
　
　
　
　
　
　
　
 Oval plain threaded flanges
　
　
　
　
　
　
　
　
　
　
　
　
 Oval flanges, with neck threaded
　
　
　
　
　
　
　
　
　
　
　
 Threaded flanges with neck
　
　
2253
2254
　
　
　
　
 Long neck welding flanges    
　
　
　
　
　
　
　
　
　
　
　
 Hubbed slip-on flanges for welding
　
　
　
　
　
　
　
　
　
　
　
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