| 关于气瓶阀门阀瓣密封材料变形问题的探讨 |
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| 引用本文： | 严仁兴,蔡燕昕.关于气瓶阀门阀瓣密封材料变形问题的探讨[J].阀门,2006(6):27-28. |
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| 作者姓名： | 严仁兴 蔡燕昕 |
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| 作者单位： | 上海气体阀门总厂,上海宝山200949 |
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| 摘 要： | 相关的气瓶阀门规定指出，阀门密封面不允许发生塑性变形，但是在进行了4500多次超负荷的启闭试验后，即使阀瓣密封件产生了严重的塑性变形，气瓶阀仍然密封良好。因此，通过大量的试验。从理论上分析了气瓶阀阀瓣密封材料必然会产生塑性变形，也只有产生了塑性变形才能保证阀门实现气密封。
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| 关 键 词： | 气瓶阀 密封 塑性变形 材料 |
| 文章编号： | 1002-5855（2006）06-0027-02 |
| 收稿时间： | 2006-07-10 |
| 修稿时间： | 2006-07-10 |
Inquiry into the deformation problem on the sealing material of cylinder valve |
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| YAN Ren-xing, CAI Yan-xin.Inquiry into the deformation problem on the sealing material of cylinder valve[J].Valve,2006(6):27-28. |
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| Authors: | YAN Ren-xing CAI Yan-xin |
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| Affiliation: | Shanghai General Gas Valve Factory, Baoshan 200949, China |
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| Abstract: | Some anthoritative persons inland think the sealing surface of the valve isn't allowed to be plastic deformation;but we find the valve can remain in good sealing after excessive opening/closing test up to more than 4500 cycles even though the shutter sealer become plastic deformed seriously;In theory,the shutter sealing material of the cylinder valve becomes plastic deformed inevitably.It can ensure tightness only when the plastic deformation occurs.Test and research on the valve sealing make us leap in our understanding of sealing theory which should innovate and develop. |
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| Keywords: | cylinder valve seal plastic deformation material |
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