B16.5 Welding Neck Flanges Dimensions – 150 lbs
Dimensions for Welding Neck Flanges
150 lb/sq. in
Weld Neck flanges as per ASME B16.5/ANSI B16.5 150#/150 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 | in. | mm | mm | mm | mm | mm | Killo | |
| 1/2" | 21.3 | 88.9 | 15.7 | 11.2 | 47.8 | 21.3 | 30.2 | 35.1 | 4 | 15.7 | 60.5 | 0.48 |
| 3/4'' | 26.7 | 98.6 | 20.8 | 12.7 | 52.3 | 26.7 | 38.1 | 42.9 | 4 | 15.7 | 69.9 | 0.71 |
| 1'' | 33.4 | 108.0 | 26.7 | 14.2 | 55.6 | 33.5 | 49.3 | 50.8 | 4 | 15.7 | 79.2 | 1.01 |
| 11/4” | 42.2 | 117.3 | 35.1 | 15.7 | 57.2 | 42.2 | 58.7 | 63.5 | 4 | 15.7 | 88.9 | 1.33 |
| 11/2” | 48.3 | 127.0 | 40.9 | 17.5 | 62.0 | 48.3 | 65.0 | 73.2 | 4 | 15.7 | 98.6 | 1.72 |
| 2" | 60.3 | 152.4 | 52.6 | 19.1 | 63.5 | 60.5 | 77.7 | 91.9 | 4 | 19.1 | 120.7 | 2.58 |
| 21/2” | 73.0 | 177.8 | 62.7 | 22.4 | 69.9 | 73.2 | 90.4 | 104.6 | 4 | 19.1 | 139.7 | 4.11 |
| 3" | 88.9 | 190.5 | 78.0 | 23.9 | 69.9 | 88.9 | 108.0 | 127.0 | 4 | 19.1 | 152.4 | 4.92 |
| 31/2” | 101.6 | 215.9 | 90.2 | 23.9 | 71.4 | 101.6 | 122.2 | 139.7 | 4 | 19.1 | 177.8 | 6.08 |
| 4" | 114.3 | 228.6 | 102.4 | 23.9 | 76.2 | 114.3 | 134.9 | 157.2 | 8 | 19.1 | 190.5 | 6.84 |
| 5" | 141.3 | 254.0 | 128.3 | 23.9 | 88.9 | 141.2 | 163.6 | 185.7 | 8 | 22.4 | 215.9 | 8.56 |
| 6" | 168.3 | 279.4 | 154.2 | 25.4 | 88.9 | 168.4 | 192.0 | 215.9 | 8 | 22.4 | 241.3 | 10.6 |
| 8" | 219.1 | 342.9 | 202.7 | 28.4 | 101.6 | 219.2 | 246.1 | 269.7 | 8 | 22.4 | 298.5 | 17.6 |
| 10” | 273 | 406.4 | 254.5 | 30.2 | 101.6 | 273.1 | 304.8 | 323.9 | 12 | 25.4 | 362.0 | 24.0 |
| 12” | 323.8 | 482.6 | 304.8 | 31.8 | 114.3 | 323.9 | 365.3 | 381.0 | 12 | 25.4 | 431.8 | 36.5 |
| 14” | 355.6 | 533.4 | To be | 35.1 | 127.0 | 355.6 | 400.1 | 412.8 | 12 | 28.4 | 476.3 | 48.4 |
| 16” | 406.4 | 596.9 | specified | 36.6 | 127.0 | 406.4 | 457.2 | 469.9 | 16 | 28.4 | 539.8 | 60.6 |
| 18” | 457.2 | 635.0 | by | 39.6 | 139.7 | 457.2 | 505.0 | 533.4 | 16 | 31.8 | 577.9 | 68.3 |
| 20” | 508 | 698.5 | purchaser | 42.9 | 144.5 | 508.0 | 558.8 | 584.2 | 20 | 31.8 | 635.0 | 84.5 |
| 24” | 609.6 | 812.8 | 47.8 | 152.4 | 609.6 | 663.4 | 692.2 | 20 | 35.1 | 749.3 | 115 |
Weld Neck flanges as per ASME B16.5/ANSI B16.5 150#/150 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 | 3.50 | 0.62 | 0.44 | 1.88 | 0.84 | 1.19 | 1.38 | 4 | 0.62 | 2.38 | 1.1 |
| 3/4'' | 1.05 | 3.88 | 0.82 | 0.50 | 2.06 | 1.05 | 1.50 | 1.69 | 4 | 0.62 | 2.75 | 1.6 |
| 1'' | 1.315 | 4.25 | 1.05 | 0.56 | 2.19 | 1.32 | 1.94 | 2.00 | 4 | 0.62 | 3.12 | 2.2 |
| 11/4” | 1.66 | 4.62 | 1.38 | 0.62 | 2.25 | 1.66 | 2.31 | 2.50 | 4 | 0.62 | 3.50 | 2.9 |
| 11/2” | 1.90 | 5.00 | 1.61 | 0.69 | 2.44 | 1.90 | 2.56 | 2.88 | 4 | 0.62 | 3.88 | 3.8 |
| 2" | 2.375 | 6.00 | 2.07 | 0.75 | 2.50 | 2.38 | 3.06 | 3.62 | 4 | 0.75 | 4.75 | 5.7 |
| 21/2” | 2.875 | 7.00 | 2.47 | 0.88 | 2.75 | 2.88 | 3.56 | 4.12 | 4 | 0.75 | 5.50 | 9.1 |
| 3" | 3.50 | 7.50 | 3.07 | 0.94 | 2.75 | 3.50 | 4.25 | 5.00 | 4 | 0.75 | 6.00 | 10.8 |
| 31/2” | 4.00 | 8.50 | 3.55 | 0.94 | 2.81 | 4.00 | 4.81 | 5.50 | 4 | 0.75 | 7.00 | 13.4 |
| 4" | 4.50 | 9.00 | 4.03 | 0.94 | 3.00 | 4.50 | 5.31 | 6.19 | 8 | 0.75 | 7.50 | 15.1 |
| 5" | 5.563 | 10.00 | 5.05 | 0.94 | 3.50 | 5.56 | 6.44 | 7.31 | 8 | 0.88 | 8.50 | 18.9 |
| 6" | 6.625 | 11.00 | 6.07 | 1.00 | 3.50 | 6.63 | 7.56 | 8.50 | 8 | 0.88 | 9.50 | 23.3 |
| 8" | 8.625 | 13.50 | 7.89 | 1.12 | 4.00 | 8.63 | 9.69 | 10.62 | 8 | 0.88 | 11.75 | 38.8 |
| 10” | 10.75 | 16.00 | 10.02 | 1.19 | 4.00 | 10.75 | 12.00 | 12.75 | 12 | 1.00 | 14.25 | 53.0 |
| 12” | 12.75 | 19.00 | 12.00 | 1.25 | 4.50 | 12.75 | 14.38 | 15.00 | 12 | 1.00 | 17.00 | 80.4 |
| 14” | 14.0 | 21.00 | To be | 1.38 | 5.00 | 14.00 | 15.75 | 16.25 | 12 | 1.12 | 18.75 | 107 |
| 16” | 16.0 | 23.50 | specified by | 1.44 | 5.00 | 16.00 | 18.00 | 18.50 | 16 | 1.12 | 21.25 | 134 |
| 18” | 18.0 | 25.00 | purchaser | 1.56 | 5.50 | 18.00 | 19.88 | 21.00 | 16 | 1.25 | 22.75 | 151 |
| 20” | 20.0 | 27.50 | 1.69 | 5.69 | 20.00 | 22.00 | 23.00 | 20 | 1.25 | 25.00 | 186 | |
| 24” | 24.0 | 32.00 | 1.88 | 6.00 | 24.00 | 26.12 | 27.25 | 20 | 1.38 | 29.50 | 253 |
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