Pressfit Pipes - Supports
Maximum distance between pressfit pipe supports.
Maximum support space for pressfit pipes according
- ASME B31.1 Power Piping
- ASME B31.3 Process Piping
- ASME B31.9 Building Services Piping
| NPS (inches) | DN (mm) | Support Spacing (feet) | |||||
|---|---|---|---|---|---|---|---|
| Water Service | Gas or Air Service | ||||||
| B31.1 | B31.3 | B31.9 | B31.1 | B31.3 | B31.9 | ||
| 1/2 | 15 | 6 | 6 | 7 | 8 | 8 | 7 |
| 3/4 | 20 | 7 | 7 | 8 | 9 | 9 | 8 |
| 1 | 25 | 7 | 7 | 9 | 9 | 9 | 9 |
| 1 1/4 | 32 | 7 | 7 | 11 | 9 | 9 | 11 |
| 1 1/2 | 40 | 7 | 7 | 12 | 9 | 9 | 13 |
| 2 | 50 | 10 | 10 | 13 | 13 | 13 | 15 |
- 1 ft (foot) = 0.3048 m
