铁制疏水阀壳体的最小壁厚 |
|||||
单位为毫米 |
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公称尺寸 |
灰铸铁 |
可锻铸铁 |
球墨铸铁 |
||
PN10 |
PN16 |
PN10 |
PN16 |
PN16 |
|
15 |
5 |
5 |
5 |
5 |
5 |
20 |
6 |
6 |
6 |
6 |
6 |
25 |
6 |
6 |
6 |
6 |
6 |
32 |
6 |
7 |
6 |
7 |
7 |
40 |
7 |
7 |
7 |
7 |
7 |
50 |
7 |
8 |
7 |
8 |
8 |
65 |
8 |
8 |
8 |
8 |
8 |
80 |
8 |
9 |
8 |
9 |
9 |
100 |
9 |
10 |
9 |
10 |
10 |
125 |
10 |
12 |
10 |
12 |
12 |
150 |
11 |
12 |
11 |
12 |
12 |
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