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 |