公称通径 |
A |
D3 |
25 |
232 |
115/125 |
32 |
246 |
140/150 |
40 |
256 |
150/155 |
50 |
270 |
165/175 |
65 |
306 |
185/200 |
80 |
320 |
210/230 |
100 |
340 |
240/265 |
125 |
400 |
275/300 |
150 |
429 |
310/350 |
200 |
358 |
355/400 |