公称尺寸 | 管材外径W（mm） | 壁厚(mm） |
DN15 |
16 |
0.8 |
DN20 |
20 |
1.0 |
DN25 |
25.4 |
1.0 |
DN32 |
32 |
1.2 |
DN40 |
40 |
1.2 |
DN50 |
50.8 |
1.2 |
DN60 |
63.5 |
1.5 |
| DN65 | 76.1 | 1.5 |
| DN80 | 88.9 | 2.0 |
DN100 | 101.6 | 2.0 |
| DN125 | 133.0 | 2.5 |
| DN150 | 159.0 | 2.5 |
| DN200 | 219.0 | 3.0 |
| DN250 | 273.0 | 3.0 |
| DN300 | 325.0 | 4.0 |