球阀腔体泄压及排放标准规定的分析

摘要

介绍了相关标准对球阀腔体关于过压排放的规定。针对球阀的不同密封结构，分析了阀门腔体泄压及排放的方法。%The paper introduces the different standards for body cavity drain or vent of ball valve, and analyses some methods according to these requirements for various structure.