长度 |
长度mm |
适用口径 |
适用口径 |
8" |
200 |
1/2" |
22 |
10" |
250 |
1.1/2" |
49 |
12" |
300 |
2" |
60 |
14" |
350 |
2" |
60 |
18" |
450 |
2.1/2" |
76 |
24" |
600 |
3" |
90 |
36" |
900 |
5" |
140 |
48" |
1200 |
6" |
166 |