| Nominal Tubo Tamaño(NPS) | DN | Exterior Diámetro | O(mm) | K(mm) |
| 1 | 25 | 33.4 | 51 | 41 |
| 1 1/4 | 32 | 42.2 | 64 | 52 |
| 1 1/2 | 40 | 48.3 | 76 | 62 |
| 2 | 50 | 60.3 | 102 | 81 |
| 2 1/2 | 65 | 73.0 | 127 | 100 |
| 3 | 80 | 88.9 | 152 | 121 |
| 3 1/2 | 90 | 101.6 | 178 | 140 |
| 4 | 100 | 114.3 | 203 | 159 |
| 5 | 125 | 141.3 | 254 | 197 |
| 6 | 150 | 168.3 | 305 | 237 |
| 8 | 200 | 219.1 | 406 | 313 |
| 10 | 250 | 273.0 | 508 | 391 |
| 12 | 300 | 323.8 | 610 | 467 |
| 14 | 350 | 355.6 | 711 | 533 |
| 16 | 400 | 406.4 | 813 | 610 |
| 18 | 450 | 457 | 914 | 686 |
| 20 | 500 | 508 | 1016 | 762 |
| 22 | 550 | 559 | 1118 | 838 |
| 24 | 600 | 610 | 1219 | 914 |
