Effective pipe length calculation
- 1 metre head = 10kPa(kN/m2) = 0.1bar
- UK Copper Board Presentation - Pipe Sizing for Hot and Cold Water
- Effective pipe length = actual pipe length + equivalent pipe length
| Bore of pipe (mm) | Equivalent pipe length | |||
|---|---|---|---|---|
| Elbow (m) | Tee (m) | Stop valve (m) | Check valve (m) | |
| 12 | 0.5 | 0.6 | 4.0 | 2.5 |
| 20 | 0.8 | 1.0 | 7.0 | 4.3 |
| 25 | 1.0 | 1.5 | 10.0 | 5.6 |
| 32 | 1.4 | 2.0 | 12.0 | 6.0 |
| 40 | 1.7 | 2.5 | 16.0 | 7.9 |
| 50 | 2.3 | 3.5 | 22.0 | 11.5 |
| 65 | 3.0 | 4.5 | - | - |
| 73 | 3.4 | 5.8 | 34.0 | - |
| < Go Back | 2013-02-23 |
