| 公称(cheng)直径 | 外径(jing)（mm） | 壁厚（mm） |
| DN10 | 12.7 | 0.60 |
| DN15 | 15.9 | 0.60~0.80 |
| DN20 | 22.2 | 0.60~1.00 |
| DN20 | 28.6 | 0.80~1.00 |
| DN32 | 34 | 1.00~1.20 |
| DN40 | 42.7 | 1.04~1.24 |
| DN50 | 48.6 | 1.19~1.42 |
| DN60 | 60.3 | 1.77~2.20 |
| DN65 | 76.1 | 2.79 |
| DN80 | 88.9 | 3.27~4.33 |
| DN100 | 108 | 5.28 |
| DN125 | 133.3 | 6.54~8.15 |
| DN150 | 159 | 9.75~11.66 |
| DN200 | 219 | 3.00~4.00 |
| DN250 | 273 | 3.00~4.00 |
| DN300 | 325 | 4.00~4.50 |
