通用阀门 铁制截止阀与升降式止回阀、结构长度
|
公称尺寸 DN |
结构长度 | 偏差 | |
| 短系列 | 长系列 | ||
|
15 20 |
65 75 |
90 100 |
+1.0 -1.5 |
|
25 32 40 50 |
90 105 120 140 |
120 140 170 200 |
+1.0 -2.0 |
| 65 | 165 | 260 |
+1.5 -2.0 |
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