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针形截止阀 内螺纹尺寸与公称尺寸的对应关系_阀门标准
针形截止阀 内螺纹尺寸与公称尺寸的对应关系
| 公称尺寸 DN |
3 |
6 |
10 |
15 |
20 |
25 |
|
| 螺纹尺寸 |
55℃ |
Rcl/8 |
Rcl/4 |
Rc3/8 |
Rcl/2 |
Rc3/4 |
Rcl |
| 60℃ |
NPT1/8 |
NPT1/4 |
NPT3/8 |
NPT1/2 |
NPT3/4 |
NPT1 |
|
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