What are the most commonly used pipe diameters in connections and sewage system?
Below is a table of nominal diameters for typical pipes, which we most often use at work at pumps and pipelines.
| Dn | all | PE | ISO |
| DN15 | 1/2" | PE20 | 21,3 |
| DN20 | 3/4" | PE25 | 26,9 |
| DN25 | 1" | Pe32 | 33,7 |
| DN32 | 1-1/4" | PE40 | 42,4 |
| DN40 | 1-1/2" | PE50 | 48,3 |
| DN50 | 2" | PE63 | 60,3 |
| DN65 | 2-1/2" | PE75 | 76,1 |
| DN80 | 3" | PE90 | 88,9 |
| DN100 | 4" | PE110 | 114,3 |
| DN125 | 5" | PE140 | 139,7 |
| DN150 | 6" | PE160 | 168,9 |
| DN200 | 8" | PE200 | 219,1 |