Dimensions for Welding Neck Flanges
400 lb/sq. in
Weld Neck flanges as per ASME B16.5/ANSI B16.5 400#/400 LBS in mm
Pipe | Flange | Hub | Raised Face | Drilling Template | Approx. Weight | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Nom | OD | D | J | b | h | a | m | g | Number | I | k | |
Size | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | Kilo | |
1/2" | 21.3 | 95.2 | 14.2 | 52.3 | 21.3 | 38.1 | 35.1 | 4 | 15.7 | 66.5 | 0.87 | |
3/4" | 26.7 | 117.3 | 15.7 | 57.2 | 26.7 | 47.7 | 42.9 | 4 | 19.1 | 82.6 | 1.45 | |
1 | 33.4 | 123.9 | 17.5 | 62 | 33.5 | 53.8 | 50.8 | 4 | 19.1 | 88.9 | 1.76 | |
1 1/4" | 42.2 | 133.3 | 20.6 | 66.5 | 42.2 | 63.5 | 63.5 | 4 | 19.1 | 98.6 | 2.49 | |
1 1/2" | 48.3 | 155.4 | 22.4 | 69.9 | 48.3 | 69.8 | 73.2 | 4 | 22.4 | 114.3 | 3.49 | |
2" | 60.3 | 165.1 | to | 25.4 | 73.2 | 60.5 | 84 | 91.9 | 8 | 19.1 | 127 | 4.36 |
2 1/2" | 73 | 190.5 | be | 28.4 | 79.2 | 73.2 | 100 | 104.6 | 8 | 22.4 | 149.4 | 6.43 |
3" | 88.9 | 209.5 | specified | 31.8 | 82.6 | 88.9 | 117.3 | 127 | 8 | 22.4 | 168.1 | 8.53 |
3 1/2" | 101.6 | 228.6 | by | 35.1 | 85.9 | 101.6 | 133.4 | 139.7 | 8 | 25.4 | 184.2 | 10.7 |
4" | 114.3 | 254 | purchaser | 35.1 | 88.9 | 114.3 | 146.1 | 157.2 | 8 | 25.4 | 200.2 | 12.8 |
5" | 141.3 | 279.4 | 38.1 | 101.6 | 141.2 | 177.8 | 185.7 | 8 | 25.4 | 235 | 16.9 | |
6" | 168.3 | 317.5 | 41.1 | 103.1 | 168.4 | 206.2 | 215.9 | 12 | 25.4 | 269.7 | 22 | |
8" | 219.1 | 381 | 47.8 | 117.3 | 219.2 | 260.4 | 269.7 | 12 | 28.4 | 330.2 | 34.4 | |
10" | 273 | 444.5 | 53.8 | 124 | 273.1 | 320.5 | 323.9 | 16 | 31.8 | 387.4 | 48.5 | |
12" | 323.8 | 520.7 | 57.2 | 136.7 | 323.9 | 374.7 | 381 | 16 | 35.1 | 450.9 | 69.6 | |
14" | 355.6 | 584.2 | 60.5 | 149.4 | 355.6 | 425.5 | 412.8 | 20 | 35.1 | 514.4 | 95.5 | |
16" | 406.4 | 647.7 | 63.5 | 152.4 | 406.4 | 482.6 | 469.9 | 20 | 38.1 | 571.5 | 118 | |
18" | 457.2 | 711.2 | 66.5 | 165.1 | 457.2 | 533.4 | 533.4 | 24 | 38.1 | 628.7 | 145 | |
20" | 508 | 774.7 | 69.9 | 168.1 | 508 | 587.2 | 584.2 | 24 | 41.1 | 685.8 | 173 | |
24" | 609.6 | 914.4 | 76.2 | 174.8 | 609.6 | 701.5 | 692.2 | 24 | 47.8 | 812.8 | 249 |
Weld Neck flanges as per ASME B16.5/ANSI B16.5 400#/400 LBS in inches
Pipe | Flange | Hub | Raised Face | Drilling Template | Approx. Weight | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Nom | OD | D | J | b | h | a | m | g | Number | I | k | |
Size | in. | in. | in. | in. | in. | in. | in. | in. | in. | in. | Pounds | |
1/2" | 0.84 | 3.75 | 0.56 | 2.06 | 0.84 | 1.5 | 1.38 | 4 | 0.62 | 2.62 | 1.9 | |
3/4" | 1.05 | 4.62 | 0.62 | 2.25 | 1.05 | 1.88 | 1.69 | 4 | 0.75 | 3.25 | 3.2 | |
1 | 1.315 | 4.88 | 0.69 | 2.44 | 1.32 | 2.12 | 2 | 4 | 0.75 | 3.5 | 3.9 | |
1 1/4" | 1.66 | 5.25 | 0.81 | 2.62 | 1.66 | 2.5 | 2.5 | 4 | 0.75 | 3.88 | 5.5 | |
1 1/2" | 1.9 | 6.12 | 0.88 | 2.75 | 1.9 | 2.75 | 2.88 | 4 | 0.88 | 4.5 | 7.7 | |
2" | 2.375 | 6.5 | to | 1 | 2.88 | 2.38 | 3.31 | 3.62 | 8 | 0.75 | 5 | 9.6 |
2 1/2" | 2.875 | 7.5 | be | 1.12 | 3.12 | 2.88 | 3.94 | 4.12 | 8 | 0.88 | 5.88 | 14.2 |
3" | 3.5 | 8.25 | specified | 1.25 | 3.25 | 3.5 | 4.62 | 5 | 8 | 0.88 | 6.62 | 18.8 |
3 1/2" | 4 | 9 | by | 1.38 | 3.38 | 4 | 5.25 | 5.5 | 8 | 1 | 7.25 | 23.6 |
4" | 4.5 | 10 | purchaser | 1.38 | 3.5 | 4.5 | 5.75 | 6.19 | 8 | 1 | 7.88 | 28.2 |
5" | 5.563 | 11 | 1.5 | 4 | 5.56 | 7 | 7.31 | 8 | 1 | 9.25 | 37.2 | |
6" | 6.625 | 12.5 | 1.62 | 4.06 | 6.63 | 8.12 | 8.5 | 12 | 1 | 10.62 | 48.5 | |
8" | 8.625 | 15 | 1.88 | 4.62 | 8.63 | 10.25 | 10.62 | 12 | 1.12 | 13 | 76.4 | |
10" | 10.75 | 17.5 | 2.12 | 4.88 | 10.75 | 12.62 | 12.75 | 16 | 1.25 | 15.25 | 107 | |
12" | 12.75 | 20.5 | 2.25 | 5.38 | 12.75 | 14.75 | 15 | 16 | 1.38 | 17.75 | 153 | |
14" | 14 | 23 | 2.38 | 5.88 | 14 | 16.75 | 16.25 | 20 | 1.38 | 20.25 | 210 | |
16" | 16 | 25.5 | 2.5 | 6 | 16 | 19 | 18.5 | 20 | 1.5 | 22.5 | 260 | |
18" | 18 | 28 | 2.62 | 6.5 | 18 | 21 | 21 | 24 | 1.5 | 24.75 | 319 | |
20" | 20 | 30.5 | 2.75 | 6.62 | 20 | 23.12 | 23 | 24 | 1.62 | 27 | 381 | |
24" | 24 | 36 | 3 | 6.88 | 24 | 27.62 | 27.25 | 24 | 1.88 | 32 | 549 |
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