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Stud Bolts Dimensions for ASME B16.47 Series B Class 400 RF flanges
July 12, 2024
| NPS | N | D |
|---|---|---|
| 26 | 28 | 1 3/8 |
| 28 | 24 | 1 1/2 |
| 30 | 28 | 1 1/2 |
| 32 | 28 | 1 5/8 |
| 34 | 32 | 1 5/8 |
| 36 | 28 | 1 3/4 |
| 38 | 32 | 1 3/4 |
| 40 | 32 | 1 7/8 |
| 42 | 32 | 1 7/8 |
| 44 | 32 | 2 |
| 46 | 36 | 2 |
| 48 | 28 | 2 1/4 |
| 50 | 32 | 2 1/4 |
| 52 | 32 | 2 1/4 |
| 54 | 28 | 2 1/2 |
| 56 | 32 | 2 1/2 |
| 58 | 32 | 2 1/2 |
| 60 | 32 | 2 3/4 |
| NPS | L | Mass |
|---|---|---|
| 26 | 279 | 2.753 |
| 28 | 298 | 3.529 |
| 30 | 311 | 3.633 |
| 32 | 330 | 4.604 |
| 34 | 337 | 4.671 |
| 36 | 356 | 5.730 |
| 38 | 368 | 5.863 |
| 40 | 387 | 7.156 |
| 42 | 394 | 7.233 |
| 44 | 413 | 8.494 |
| 46 | 425 | 8.869 |
| 48 | 451 | 12.166 |
| 50 | 457 | 12.278 |
| 52 | 470 | 12.521 |
| 54 | 502 | 16.723 |
| 56 | 508 | 16.954 |
| 58 | 514 | 17.095 |
| 60 | 546 | 20.858 |
Dimensions & Masses of the Boltings
| Boltings for Series A Flanges in Classes | ||
|---|---|---|
| 150# | 300# | 400# |
| 600# | 900# | - |
| Boltings for Series B Flanges in Classes | ||
|---|---|---|
| 75# | 150# | 300# |
| 400# | 600# | 900# |
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