Lap Joint Flange Dimensions Class 150
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| Drilling | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Nominal Bore | Dia. (D) |
Thick. (E) |
Dia. (B) |
Dia. (A) |
Height (H) |
Nbr | Holes | Dia. (C) |
|
| 1/2″ | 90 | 11.2 | 30 | 22.9 | 16 | 4 | 15.87 | 60.3 | |
| 3/4″ | 100 | 12.7 | 38 | 28.2 | 16 | 4 | 15.87 | 69.9 | |
| 1″ | 110 | 14.3 | 49 | 34.9 | 17 | 4 | 15.87 | 79.4 | |
| 1 1/4″ | 115 | 15.9 | 59 | 43.7 | 21 | 4 | 15.87 | 88.9 | |
| 1 1/2″ | 125 | 17.5 | 65 | 50.0 | 22 | 4 | 15.87 | 98.4 | |
| 2″ | 150 | 20.7 | 78 | 62.5 | 25 | 4 | 19.05 | 120.7 | |
| 2 1/2″ | 180 | 22.3 | 90 | 75.4 | 29 | 4 | 19.05 | 139.7 | |
| 3″ | 190 | 23.9 | 108 | 91.4 | 30 | 4 | 19.05 | 152.4 | |
| 3 1/2″ | 215 | 23.9 | 122 | 104.1 | 32 | 8 | 19.05 | 177.8 | |
| 4″ | 230 | 23.9 | 135 | 116.8 | 33 | 8 | 19.05 | 190.5 | |
| 5″ | 255 | 23.9 | 164 | 144.4 | 36 | 8 | 22.22 | 215.9 | |
| 6″ | 280 | 25.4 | 192 | 171.4 | 40 | 8 | 22.22 | 241.3 | |
| 8″ | 345 | 28.6 | 246 | 222.2 | 44 | 8 | 22.22 | 298.5 | |
| 10″ | 405 | 30.2 | 305 | 277.4 | 49 | 12 | 25.40 | 362.0 | |
| 12″ | 485 | 31.8 | 365 | 328.2 | 56 | 12 | 25.40 | 431.8 | |
| 14″ | 535 | 35.0 | 400 | 360.2 | 79 | 12 | 28.57 | 476.3 | |
| 16″ | 595 | 36.6 | 457 | 411.2 | 87 | 16 | 28.57 | 539.8 | |
| 18″ | 635 | 39.7 | 505 | 462.3 | 97 | 16 | 31.75 | 577.9 | |
| 20″ | 700 | 42.9 | 559 | 514.4 | 103 | 20 | 31.75 | 635.0 | |
| 24″ | 815 | 47.7 | 663 | 616.0 | 111 | 20 | 34.92 | 749.3 | |
Note: The dimensions are in millimeters