单位为毫米
公称尺寸 DN |
铜合金材料 |
可锻铸铁材料、球墨铸铁材料 |
灰铸铁材料 |
8 |
17.5 |
-- |
-- |
10 |
21 |
-- |
-- |
15 |
25 |
27 |
30 |
20 |
31 |
33 |
36 |
25 |
38 |
41 |
46 |
32 |
47 |
51 |
55 |
40 |
54 |
58 |
62 |
50 |
66 |
71 |
75 |
65 |
83 |
88 |
92 |
80 |
96 |
102 |
105 |
100 |
124 |
128 |
131 |
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