HESUPIPE
PE pipe specification size comparison table：
| Inch (in) | Nominal Diameter (DN, mm) | Outer Diameter (OD, mm) |
|---|---|---|
| 1/2″ | 15 | 20 |
| 3/4″ | 20 | 25 |
| 1″ | 25 | 32 |
| 1 1/4″ | 32 | 40 |
| 1 1/2″ | 40 | 50 |
| 2″ | 50 | 63 |
| 2 1/2″ | 65 | 75 |
| 3″ | 80 | 90 |
| 4″ | 100 | 110 |
| 5″ | 125 | 140 |
| 6″ | 150 | 160 |
| 8″ | 200 | 225 |
| 10″ | 250 | 280 |
| 12″ | 300 | 315 |
| 14″ | 350 | 355 |
| 16″ | 400 | 400 |
| 18″ | 450 | 450 |
| 20″ | 500 | 500 |
| 24″ | 600 | 630 |
| 28″ | 700 | 710 |
| 32″ | 800 | 800 |
This chart provides a quick reference for matching nominal diameter with outer diameter and inch sizes.