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铁制和铜制螺纹连接阀门阀体通道最小直径说明_阀门标准
单位为毫米
|
公称尺寸 DN |
阀体通道最小直径 |
|
8 |
6 |
|
10 |
|
|
15 |
9 |
|
20 |
12.5 |
|
25 |
17 |
|
32 |
23 |
|
40 |
28 |
|
50 |
36 |
|
65 |
49 |
|
80 |
57 |
|
100 |
75 |
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