作废 JB/T 8527-1997
金属密封蝶阀 金属密封蝶阀 Butterfly valves for metal sealing
发布日期:1997-04-15
实施日期:1998-01-01
分类信息
标准简介

本标准规定了金属密封蝶阀的定义、型号和参数、结构型式、技术要求、试验方法、检验规则、标志及供货等要求。 本标准适用于公称压力PN 0.05MPa~5.00MPa、公称通径DN 50mm~4000mm的法兰和对夹连接金属密封蝶阀

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密封蝶阀金属

最后更新时间 2025-08-29