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Engineering ToolBox > PP Pipes - Support Spacing
Maximum support spacing for PP - PolyPropylene - pipes depends on the operating temperature. Maximum spacing between supports at different temperatures can be found in the tables below:
| PP - Wall Schedule 40 - Support Spacing (feet) | ||||
| NPS (inches) | Operating Temperature (oF) | |||
| 60 | 100 | 140 | 180 | |
| 1/2 | 1 1/2 | 1 1/2 | 1 1/2 | 1 |
| 3/4 | 2 | 2 | 1 1/2 | 1 1/2 |
| 1 | 2 | 2 | 2 | 1 1/2 |
| 1 1/4 | 2 1/2 | 2 | 2 | 2 |
| 1 1/2 | 2 1/2 | 2 1/2 | 2 | 2 |
| 2 | 3 | 2 1/2 | 2 1/2 | 2 |
| 3 | 3 1/2 | 2 1/2 | 3 | 2 1/2 |
| 4 | 4 | 3 | 3 1/2 | 3 |
| PP - Wall Schedule 80 - Support Spacing (feet) | ||||
| NPS (inches) | Operating Temperature (oF) | |||
| 60 | 100 | 140 | 180 | |
| 1/2 | 2 | 2 | 2 | 1 1/2 |
| 3/4 | 2 1/2 | 2 1/2 | 2 | 2 |
| 1 | 2 1/2 | 2 1/2 | 2 | 2 |
| 1 1/4 | 3 | 2 1/2 | 2 1/2 | 2 1/2 |
| 1 1/2 | 3 | 3 | 2 1/2 | 2 1/2 |
| 2 | 3 1/2 | 3 | 3 | 2 1/2 |
| 3 | 4 | 4 | 3 1/2 | 3 1/2 |
| 4 | 4 1/2 | 4 1/2 | 4 | 3 1/2 |
Polypropylene is a thermoplastic polymer, used in a wide variety of applications. Polypropylene is unusually resistant to chemical solvents, bases and acids.