管道规格尺寸对照表如下:
公称直径(DN)与外径(D)对照表
| 公称直径(DN) | 外径(D) |
| ------------ | ------- |
| 15 | 21.3|
| 20 | 26.9|
| 25 | 33.7|
| 32 | 42.4|
| 40 | 48.3|
| 50 | 60.3|
| 65 | 76.1|
| 80 | 88.9|
| 100 | 114.3 |
| 125 | 139.7 |
| 150 | 168.3 |
| 200 | 219.1 |
| 250 | 273.1 |
| 300 | 323.9 |
| 350 | 355.6 |
| 400 | 406.4 |
| 450 | 457.0 |
| 500 | 508.0 |
| 600 | 610.0 |
| 700 | 711.2 |
| 800 | 812.8 |
| 900 | 914.4 |
| 1000 | 1016.0 |
公称直径(DN)与壁厚(S)对照表
| 公称直径(DN) | 壁厚(S) |
| ------------ | ------- |
| 15 | 2.0 |
| 20 | 2.3 |
| 25 | 2.8 |
| 32 | 3.2 |
| 40 | 3.6 |
| 50 | 4.0 |
| 65 | 4.5 |
| 80 | 5.0 |
| 100 | 5.6 |
| 125 | 6.3 |
| 150 | 7.0 |
| 200 | 7.9 |
| 250 | 8.6 |
| 300 | 9.5 |
| 350 | 10.3|
| 400 | 11.0|
| 450 | 11.8|
| 500 | 12.7|
| 600 | 13.7|
| 700 | 14.6|
| 800 | 15.5|
| 900 | 16.4|
| 1000 | 17.5|
公称直径(DN)与流速(V)对照表
| 公称直径(DN) | 流速(V) |
| ------------ | ------- |
| 15 | 1.5 |
| 20 | 2.0 |
| 25 | 2.5 |
| 32 | 3.0 |
| 40 | 3.5 |
| 50 | 4.0 |
| 65 | 4.5 |
| 80 | 5.0 |
| 100 | 5.6 |
| 125 | 6.3 |
| 150 | 7.0 |
| 200 | 7.9 |
| 250 | 8.6 |
| 300 | 9.5 |
| 350 | 10.3|
| 400 | 11.0|
| 4