In this paper,the application scope,technical requirements,test methods,inspection rules and other aspects of the new version of the standard and the old version of YB/T 063"Surface pressure type of slide tube"are compared and analyzed.The paper mainly introduces the relevant technical requirements of the new edition of slide tube,focusing on the contents such as"classification,model,basic parameters and technical requirements"which have changed greatly before and after the revision.It provides reference for R&D,manufacturing and testing personnel of related enterprises,and promotes relevant practitioners to understand and apply the new version of the standard more systematically,comprehensively and accurately,which is of guiding significance for enterprises to implement the standard.
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