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Engineering ToolBox > Compressed Air Pipe Line Fittings - Pressure Drop
Pressure drop in compressed air pipe line fittings can be expressed as equivalent length in meters of pipe line.
| Equivalent Pipe Length (m) | ||||||||||
| Fitting | Nominal Pipe Size (inches, mm) | |||||||||
| 1/2" 15 | 3/4" 20 | 1" 25 | 1 1/4" 32 | 1 1/2" 40 | 2" 50 | 2 1/2" 65 | 3" 80 | 4" 100 | 5" 125 | |
| 90o bend | 0.15 | 0.2 | 0.25 | 0.35 | 0.5 | 0.6 | 0.8 | 1.0 | 1.2 | 1.5 |
| 90o elbow | 0.25 | 0.4 | 0.5 | 0.65 | 0.8 | 1.0 | 1.4 | 1.8 | 2.4 | 3.2 |
| Tee - run | 0.2 | 0.3 | 0.4 | 0.5 | 0.7 | 0.85 | 1.1 | 1.3 | 1.6 | 2.0 |
| Tee - side outlet | 0.5 | 0.7 | 1.4 | 1.8 | 2.4 | 2.7 | 3.6 | 4.6 | 5.7 | 7.0 |
