蒸汽疏水阀 技术条件、铁制疏水阀壳体的最小壁厚
公称尺寸 DN | 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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