国内阀门材料常用技术标准 缠绕式垫片密封元件和内环、定位环的厚度偏差
密封元件 | 内环、定位环 | ||
T | 极限偏差 | T1 | 极限偏差 |
2.5 |
+0.3 0 |
1.6 | ±0.14 |
3.2 | 2.0 | ±0.16 | |
4.5 |
+0.4 0 |
3.0 | ±0.20 |
6.5 | 5.0 | ±0.24 |
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