公称外径DN | 管埋通径D2 | 每端可伸缩量L | 套管长L1 | 全长L |
40 | 55 | 20 | 70 | 106 |
50 | 65 | 20 | 70 | 108 |
65 | 81 | 20 | 70 | 110 |
80 | 93 | 20 | 80 | 125 |
100 | 118 | 20 | 80 | 127 |
125 | 143 | 20 | 80 | 127 |
150 | 169 | 20 | 80 | 127 |
200 | 220 | 20 | 90 | 142 |
250 | 271.6 | 25 | 100 | 154 |
300 | 322.8 | 20 | 110 | 164 |
350 | 374 | 35 | 120 | 176 |