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介绍了石化阀门微泄漏型式试验方法、试验程序、结果评价和评定范围,论述了阀体端部和阀杆密封部位试验测量工装的结构设计,为采用真空法检测阀门微泄漏的型式试验提供了有效方法。
The micro-leakage type test method, test procedure, result evaluation and assessment range of petrochemical valve are introduced. The structural design of the test measuring tool at the valve body end and the stem sealing part is discussed. It is provided for the type test of using the vacuum method to detect micro-leakage of the valve Useful ways.