铁制和铜制螺纹连接阀门 铁制阀门阀体最小壁厚
公称尺寸 DN |
灰铸铁 | 可锻铸铁 | 球墨铸铁 | ||
PN10 | PN10 | PN16 | PN16 | PN25 | |
15 | 4 | 3 | 3 | 3 | 4 |
20 | 4.5 | 3 | 3.5 | 3.5 | 4.5 |
25 | 5 | 3.5 | 4 | 4 | 5 |
32 | 5.5 | 4 | 4.5 | 4.5 | 5.5 |
40 | 6 | 4.5 | 5 | 5 | 6 |
50 | 6 | 5 | 5.5 | 5.5 | 6.5 |
65 | 6.5 | 6 | 6 | 6 | 7 |
80 | 7 | 6.5 | 6.5 | 6.5 | 7.5 |
100 | 7.5 | 6.5 | 7.5 | 7 | 8 |
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