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| 双偏心半球球阀结构长度、阀兰尺寸 |
| 口径 |
L |
D |
D1 |
D2 |
N-φ |
b |
f |
| DN50 |
178 |
160 |
125 |
100 |
4-18 |
16 |
3 |
| DN65 |
190 |
180 |
145 |
120 |
4-18 |
18 |
3 |
| DN80 |
203 |
195 |
160 |
135 |
8-18 |
20 |
3 |
| DN100 |
229 |
215 |
180 |
155 |
8-18 |
20 |
3 |
| DN125 |
254 |
245 |
210 |
185 |
8-18 |
22 |
3 |
| DN150 |
267 |
280 |
240 |
210 |
8-23 |
24 |
3 |
| DN200 |
292 |
335 |
295 |
265 |
12-23 |
26 |
3 |
| DN250 |
330 |
405 |
335 |
320 |
12-25 |
30 |
3 |
| DN300 |
356 |
460 |
410 |
375 |
12-25 |
30 |
4 |
| DN350 |
381 |
520 |
470 |
435 |
16-25 |
34 |
4 |
| DN400 |
406 |
580 |
525 |
485 |
16-30 |
36 |
4 |
| ND500 |
457 |
705 |
650 |
608 |
20-34 |
44 |
4 |
| DN600 |
508 |
840 |
770 |
718 |
20-41 |
48 |
4 |
