PVC Pipes - Support Spacing
Support spacing for PVC pipes
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Maximum support spacing for PVC - Polyvinyl Chloride - pipes depends on the operating temperature. Maximum spacing between supports at different temperatures can be found in the table below:
| PVC - Wall Schedule 40 - Support Spacing (feet) | |||
| NPS (inches) |
Operating Temperature (oF) | ||
| 60 | 100 | 140 | |
| 1/2 | 4 1/2 | 4 | 2 1/2 |
| 3/4 | 5 | 4 | 2 1/2 |
| 1 | 5 1/2 | 4 1/2 | 2 1/2 |
| 1 1/4 | 5 1/2 | 5 | 3 |
| 1 1/2 | 6 | 5 | 3 |
| 2 | 6 | 5 | 3 |
| 3 | 7 | 6 | 3 1/2 |
| 4 | 7 1/2 | 6 1/2 | 4 |
| 6 | 8 1/2 | 7 1/2 | 4 1/2 |
| 8 | 9 | 8 | 4 1/2 |
| PVC - Wall Schedule 80 - Support Spacing (feet) | |||
| NPS (inches) |
Operating Temperature (oF) | ||
| 60 | 100 | 140 | |
| 1/2 | 5 | 4 1/2 | 2 1/2 |
| 3/4 | 5 1/2 | 4 1/2 | 2 1/2 |
| 1 | 6 | 5 | 3 |
| 1 1/2 | 6 1/2 | 5 1/2 | 3 1/2 |
| 2 | 7 | 6 | 3 1/2 |
| 3 | 8 | 7 | 4 |
| 4 | 9 | 7 1/2 | 4 1/2 |
| 6 | 10 | 9 | 5 |
| 8 | 11 | 9 1/2 | 5 1/2 |
- 1 ft (foot) = 0.3048 m
- T(oC) = 5/9[T(oF) - 32]
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