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| JB/T 1308.2-2025 (English Version) |
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Detail of JB/T 1308.2-2025
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Introduction of JB/T 1308.2-2025
本文件规定了PN2500超高压阀门和管件的技术要求，描述了相应的试验方法，规定了检验规则、标志和包装本文件适用于公称尺寸DN3～DN25且公称压力PN2500，工作温度-29℃～280℃非腐蚀性介质的锻造钢制阀门（截止阀、节流阀和止回阀）和超高压阀门用管件的制造本文件不适用于连接超高压阀门与上下游管道的管件
Contents of JB/T 1308.2-2025