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Engineering ToolBox > Support Spacing for PVC, Fiberglass and Steel Pipes
Support span for PVC, Fiberglass and Steel pipes filled with water can be found in the table below:
| Support Spacing (feet) | ||||
| NPS (inches) | DN (mm) | Standard Steel Pipe | Fiberglass Pipe | PVC Pipe Schedule 80 |
| 1 | 25 | 7 | 12 | 6 |
| 1 1/2 | 40 | 9 | 14 | 6.5 |
| 2 | 50 | 10 | 15 | 7 |
| 3 | 80 | 12 | 17 | 8 |
| 4 | 100 | 14 | 19 | 9 |
| 6 | 150 | 17 | 22 | 10 |
| 8 | 200 | 19 | 24 | 11 |
| 10 | 250 | 22 | 27 | 12 |