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紧凑型钢制阀门 阀座孔最小直径_阀门标准
紧凑型钢制阀门 阀座孔最小直径
| 公 称 尺 寸 DN |
PN 16～PN 140 |
PN 250 |
| 8 |
6.4 |
6.4 |
| 10 |
6.4 |
6.4 |
| 15 |
9.5 |
9.5 |
| 20 |
12.7 |
12.7 |
| 25 |
17.5 |
15.9 |
| 32 |
23.8 |
22.2 |
| 40 |
28.6 |
27.0 |
| 50 |
36.5 |
34.9 |
| 65 |
44.5 |
38.1 |
| 80 |
50.8 |
47.6 |
| 100 |
69.9 |
63.5 |
长春俊鹏室内照明设计有限公司
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