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Air Line Pipe
Recommended sizes - air pressure 100 psi
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Air line pipe, recommended sizes with schedule 40 steel pipes, air pressure 100 psi (6.9 bar) are indicated below.
| Pipe Size (inches) | |||||||
| Free Air Flow (cfm) |
Length of Pipe (feet) | ||||||
| 25 | 50 | 75 | 100 | 150 | 200 | 250 | |
| 5 | 1/2 | 1/2 | 1/2 | 1/2 | 1/2 | 1/2 | 1/2 |
| 10 | 1/2 | 1/2 | 1/2 | 1/2 | 1/2 | 1/2 | 1/2 |
| 15 | 1/2 | 1/2 | 1/2 | 1/2 | 3/4 | 3/4 | 3/4 |
| 20 | 1/2 | 1/2 | 3/4 | 3/4 | 3/4 | 3/4 | 3/4 |
| 25 | 1/2 | 3/4 | 3/4 | 3/4 | 3/4 | 1 | 1 |
| 30 | 1/2 | 3/4 | 3/4 | 3/4 | 1 | 1 | 1 |
| 35 | 3/4 | 3/4 | 3/4 | 3/4 | 1 | 1 | 1 |
| 40 | 3/4 | 3/4 | 3/4 | 1 | 1 | 1 | 1 |
| 45 | 3/4 | 3/4 | 1 | 1 | 1 | 1 | 1 1/4 |
| 50 | 3/4 | 1 | 1 | 1 | 1 | 1 1/4 | 1 1/4 |
| 55 | 3/4 | 1 | 1 | 1 | 1 1/4 | 1 1/4 | 1 1/4 |
| 60 | 3/4 | 1 | 1 | 1 | 1 1/4 | 1 1/4 | 1 1/4 |
| 65 | 3/4 | 1 | 1 | 1 | 1 1/4 | 1 1/4 | 1 1/4 |
| 70 | 3/4 | 1 | 1 | 1 1/4 | 1 1/4 | 1 1/4 | 1 1/4 |
| 75 | 1 | 1 | 1 | 1 1/4 | 1 1/4 | 1 1/4 | 1 1/4 |
| 80 | 1 | 1 | 1 1/4 | 1 1/4 | 1 1/4 | 1 1/4 | 1 1/4 |
| 85 | 1 | 1 | 1 1/4 | 1 1/4 | 1 1/4 | 1 1/4 | 1 1/4 |
| 90 | 1 | 1 | 1 1/4 | 1 1/4 | 1 1/4 | 1 1/4 | 1 1/2 |
| 95 | 1 | 1 1/4 | 1 1/4 | 1 1/4 | 1 1/4 | 1 1/4 | 1 1/2 |
| 100 | 1 | 1 1/4 | 1 1/4 | 1 1/4 | 1 1/4 | 1 1/2 | 1 1/2 |
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Related Topics
- Gas and Compressed Air - Gas properties, capacities of pipelines, sizing of relief valves - air, LNG, LPG and more
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