产品规格表（400/450级，C=1.6）
PVC-O管国际标准ISO16422:2014
| 公称压力PN | 10 | 12.5 | 16 | 20 | 25 |
| SDR | 51 | 41 | 33 | 26 | 21 |
| 公称外径dn，mm | 公称壁厚en，mm | ||||
| 110 | 2.2 | 2.7 | 3.4 | 4.2 | 5.3 |
| 125 | 2.5 | 3.1 | 3.9 | 4.8 | 6.0 |
| 140 | 2.8 | 3.5 | 4.3 | 5.4 | 6.7 |
| 160 | 3.2 | 4.0 | 4.9 | 6.2 | 7.7 |
| 180 | 3.6 | 4.4 | 5.5 | 6.9 | 8.6 |
| 200 | 3.9 | 4.9 | 6.2 | 7.7 | 9.6 |
| 225 | 4.4 | 5.5 | 6.9 | 8.6 | 10.8 |
| 250 | 4.9 | 6.2 | 7.7 | 9.6 | 11.9 |
| 280 | 5.5 | 6.9 | 8.6 | 10.7 | 13.4 |
| 315 | 6.2 | 7.7 | 9.7 | 12.1 | 15.0 |
| 355 | 7.0 | 8.7 | 10.9 | 13.6 | 16.9 |
| 400 | 7.9 | 9.8 | 12.3 | 15.3 | 19.1 |
| 450 | 8.8 | 11.0 | 13.8 | 17.2 | 21.5 |
| 500 | 9.8 | 12.3 | 15.3 | 19.1 | 23.9 |
| 560 | 11.0 | 13.7 | 17.2 | 21.4 | 26.7 |
| 630 | 12.3 | 15.4 | 19.3 | 24.1 | 30.0 |
