通用阀门 铁制截止阀与升降式止回阀、阀杆的最小走直径
公称尺寸 DN |
PN10、PN16 |
15 | 10 |
20 | 12 |
25 | 14 |
32 | 18 |
40 | 18 |
50 | 20 |
65 | 20 |
80 | 24 |
100 | 28 |
125 | 32 |
150 | 36 |
200 | 40 |
注:阀杆最小直径指螺纹公称直径或阀杆光杆部分直径。 |
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