公稱外徑(mm) | SDR26 | SDR21 | SDR17 | SDR13.6 |
環剛度4KN | 環剛度8KN | 環剛度16KN | 環剛度32KN | |
公稱壁厚 | 公稱壁厚 | 公稱壁厚 | 公稱壁厚 | |
110 | 4.2 | 5.3 | 6.6 | 8.1 |
160 | 6.2 | 7.7 | 9.5 | 11.8 |
200 | 7.7 | 9.6 | 11.9 | 14.7 |
250 | 9.6 | 11.9 | 14.8 | 18.4 |
315 | 12.1 | 15.0 | 18.7 | 23.2 |
355 | 13.6 | 16.9 | 21.1 | 26.1 |
400 | 15.3 | 19.1 | 23.7 | 29.4 |
450 | 17.2 | 21.5 | 26.7 | 33.1 |
500 | 19.1 | 23.9 | 29.7 | 36.8 |
560 | 21.4 | 26.7 | 33.2 | 41.2 |
630 | 24.1 | 30.0 | 37.4 | 26.3 |
710 | 27.2 | 33.9 | 42.1 | 52.2 |
800 | 30.6 | 38.1 | 47.7 | 58.8 |