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Stud Bolts Dimensions for ASME B16.47 Series B Class 300 RF flanges
July 12, 2024
| NPS | N | D |
|---|---|---|
| 26 | 32 | 1 1/4 |
| 28 | 36 | 1 1/4 |
| 30 | 36 | 1 3/8 |
| 32 | 32 | 1 1/2 |
| 34 | 36 | 1 1/2 |
| 36 | 32 | 1 3/8 |
| 38 | 36 | 1 3/8 |
| 40 | 40 | 1 5/8 |
| 42 | 36 | 1 3/4 |
| 44 | 40 | 1 3/4 |
| 46 | 36 | 1 7/8 |
| 48 | 40 | 1 7/8 |
| 50 | 44 | 1 7/8 |
| 52 | 48 | 1 7/8 |
| 54 | 48 | 1 7/8 |
| 56 | 36 | 2 1/4 |
| 58 | 40 | 2 1/4 |
| 60 | 40 | 2 1/4 |
| NPS | L | Mass |
|---|---|---|
| 26 | 260 | 2.101 |
| 28 | 260 | 2.101 |
| 30 | 273 | 2.712 |
| 32 | 298 | 3.529 |
| 34 | 298 | 3.529 |
| 36 | 305 | 2.925 |
| 38 | 324 | 3.051 |
| 40 | 330 | 4.604 |
| 42 | 343 | 5.586 |
| 44 | 362 | 5.796 |
| 46 | 368 | 6.900 |
| 48 | 368 | 6.900 |
| 50 | 387 | 7.144 |
| 52 | 400 | 7.310 |
| 54 | 387 | 7.144 |
| 56 | 438 | 11.92 |
| 58 | 438 | 11.92 |
| 60 | 432 | 11.92 |
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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