法兰和对夹连接弹性密封蝶阀 阀座流道的最小尺寸
| 公称尺寸 DN |
阀座流道的最小尺寸/ mm |
公称尺寸 DN |
阀座流道的最小尺寸/ mm |
| 50 |
44 |
1000 |
970 |
| 65 |
55 |
1200 |
1160 |
| 80 |
69 |
1400 |
1360 |
| 100 |
88 |
1600 |
1560 |
| 125 |
117 |
1800 |
1760 |
| 150 |
138 |
2000 |
1950 |
| 200 |
185 |
2200 |
2140 |
| 250 |
230 |
2400 |
2340 |
| 300 |
275 |
2600 |
2540 |
| 350 |
321 |
2800 |
2740 |
| 400 |
371 |
3000 |
2940 |
| 450 |
422 |
3200 |
3120 |
| 500 |
472 |
3400 |
3320 |
| 600 |
575 |
3600 |
3520 |
| 700 |
670 |
3800 |
3720 |
| 800 |
770 |
4000 |
3920 |
| 900 |
870 |
|
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