|
公称通径 |
L |
D |
螺孔数量 |
PN1.O |
200 |
127 |
340 |
8 |
5K |
250 |
146 |
395 |
12 |
10K |
300 |
181 |
445 |
12 |
|
350 |
184 |
505 |
16 |
|
400 |
191 |
565 |
16 |
|
450 |
203 |
615 |
20 |
|
500 |
219 |
970 |
20 |
|
600 |
222 |
780 |
20 |
|
700 |
305 |
895 |
24 |