现行 SH/T 3425-2011
石油化工钢制管道用盲板 石油化工钢制管道用盲板 Steel line blanks in petrochemical engineering
发布日期:2011-05-18
实施日期:2011-06-01
分类信息
标准简介

本标准规定了公称压力PN20(CLASS150)~PN420(CLASS2500),公称直径DN15~DN600钢制管道用盲板的结构型式、尺寸系列、材料、制造和检验等技术要求。本标准适用于石油化工钢制管道用盲板,包括8字盲板、单盲板和单垫环

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管道用盲板

最后更新时间 2025-09-01