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Inquiry into the deformation problem on the sealing material of cylinder valve
Pages: 27-28
Year: Issue:  6
Journal: Valve

Keyword:  气瓶阀 密封 塑性变形 材料;
Abstract: 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4 500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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