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Flange dimensions ASME

flens

  125/150 lbs300 lbs600 lbs900 lbs1500 lbs
DN [inch][mm][inch][mm][inch][mm][inch][mm][inch][mm]
            
3"A7 1/2190,58 1/4209,68 1/4209,69 1/224110 1/2267
 b15/1623,81 1/828,61 1/431,81 1/238,11 7/847,6
 D251275127512751275127
 D16152,46 5/8168,36 5/8168,37 1/2190,58203
 n4488888888
 d3/apr197/aug22,27/aug22,2125,41 1/431,8
            
3 1/2"A8 1/2215,99228,69228,6    
 b15/1623,81  3/1630,21 3/834,9    
 D25 1/2139,75 1/2139,75 1/2139,7    
 D17177,87 1/4184,27 1/4184,2    
 n888888    
 d3/apr197/aug22,2125,4    
            
4"A9228,61025410 3/427311 1/229212 1/4311
 b15/1623,81 1/431,71 1/238,11 3/444,42 1/854
 D26  3/16157,26  3/16157,26  3/16157,26  3/16157,26  3/16157,2
 D17 1/21907 7/82008 1/2215,99 1/42359 1/2241
 n8888888888
 d3/apr197/aug22,2125,41 1/431,81 3/834,9
            
5"A1025411279,413330,213 3/434914 3/4375
 b15/1623,81 3/834,91 3/444,4250,82 7/873
 D27  5/16185,77  5/16185,77  5/16185,77  5/16185,77  5/16185,7
 D18 1/2215,99 1/4234,910 1/2266,71127911 1/2292
 n8888888888
 d7/aug22,27/aug22,21 1/828,61 3/834,91 5/841,3
            
6"A1127912 1/2317,514355,61538115 1/2394
 b125,41  7/1636,51 7/847,62  3/1655,63 1/482,6
 D28 1/2215,98 1/2215,98 1/2215,98 1/2215,98 1/2215,9
 D19 1/224110 5/8269,911 1/2292,112 1/231812 1/2318
 n881212121212121212
 d7/aug22,27/aug22,21 1/828,61 1/431,81 1/238,1
            
8"A13 1/2342,91538116 1/241918 1/247019482,6
 b1 1/828,61 5/841,32  3/1655,62 1/263,53 5/892,1
 D210 5/8269,910 5/8269,910 5/8269,910 5/8269,910 5/8269,9
 D111 3/4298,413330,213 3/4349,215 1/2394,215 1/2394,2
 n881212121212121212
 d7/aug22,2125,41 1/431,81 1/238,11 3/444,5
            
10"A16406,417 1/2444,52050821 1/254623584
 b1  3/1630,21 7/847,62 1/263,52 3/469,84 1/4108
 D212 3/4323,812 3/4323,812 3/4323,812 3/4323,812 3/4323,9
 D114 1/4361,915 1/4387,417431,818 1/247019482,6
 n12121616161616161212
 d125,41 1/828,61 3/834,91 1/238,1250,8
            
12"A19482,620 1/2520,722558,82461026 1/2673
 b1 1/431,7250,82 5/866,73 1/879,44 7/8124
 D21538115381153811538115381
 D117431,817 3/4450,919 1/4488,921533,422 1/2571,5
 n12121616202020201616
 d125,41 1/431,81 3/834,91 1/238,12 1/854
            
14"A21533,42358423 3/460325 1/464129 1/2749
 b1 3/834,92 1/8542 3/469,83 3/885,75 1/4133
 D216 1/4412,716 1/4412,716 1/4412,716 1/4412,716 1/4412,7
 D118 3/4476,220 1/4514,420 3/452722558,825635
 n12122020202020201616
 d1 1/828,61 1/431,81 1/238,11 5/841,32 3/860,3
            
16"A23 1/2596,925 1/2647,72768627 3/470532 1/2826
 b1  7/1636,52 1/457,2376,23 1/288,95 3/4146
 D218 1/247018 1/247018 1/247018 1/247018 1/2470
 D121 1/4539,822 1/2571,523 3/4603,324 1/461627 3/4705
 n16162020202020201616
 d1 1/828,61 3/834,91 5/841,31 3/444,52 5/866,7
            
18"A256352871129 1/47433178736914
 b1  9/1639,72 3/860,33 1/482,641026 3/8162
 D221533,421533,421533,421533,421533,4
 D122 3/4577,924 3/4628,725 3/4654,127685,830 1/2775
 n16162424202020201616
 d1 1/431,81 3/834,91 3/444,5250,82 7/873
            
20"A27 1/2698,530 1/2774,73281333 3/485738 3/4984
 b1  1/1642,92 1/263,53 1/288,94 1/41087178
 D223584,223584,223584,223584,223584,2
 D12563527685,828 1/272429 1/2749,332 3/4832
 n20202424242420201616
 d1 1/431,81 3/834,91 3/444,52 1/8543 1/879,4
            
24"A32812,83691437940411041461168
 b1 7/847,62 3/469,841025 1/21408203
 D224 1/4692,227 1/4692,227 1/4692,227 1/4692,227 1/4692,2
 D129 1/2749,332812,833838,235 1/290239991
 n20202424242420201616
 d1 3/834,91 5/841,3250,82 5/866,73 5/892,1