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ICS27.100N16备案号:5341-2005KIL中华人民共和国电力行业标准DL/T641一2005代替DUT641一1997电站阀门电动执行机构Electricvalveactuatorsforpowerplant2005-02-14发布2005-06-01实施中华人民共和国国家发展和改革委员会发布www.bzfxw.comDL/T641一2005目次前言‘·····。··································，····‘·······价，···⋯⋯.1范围.···········‘·······，···········‘·········。，················，··⋯，︸内﹂规范性引用文件····，·‘············价·········，········.·..······，·，价·价一术语和定义····‘·‘··········，···‘······，········价···价·········价·一··一·一·一分类及型式‘·····一············‘··⋯，.······，···⋯，⋯⋯，......‘..⋯技术要求······，·价······················，·价一一·一····一一···一选型..·······，························‘········，·········‘·······，············⋯⋯试验方法······，···················价····，·········，···········‘····⋯⋯6检验规则.··········价·······，·····价·一·一·一·一一··一··一·一一一一··一一-.9门，︸4111月..标志、包装运输及贮存.·······，一，︸门、411曰6，10丹9附录A(规范性附录)开关型电动执行机构寿命试验方法··，·················，·····‘······⋯⋯附录B(规范性附录)调节型电动执行机构寿命试验方法········价··，····‘··········‘·⋯www.bzfxw.comDL/T641一2005ol1舌本标准是根据原国家经贸委《关于下达200(!年度电力行业标准制、修订计划项目的通知》(电力[2000]70号文)的安排，对DUT641-1997《电站阀门电动装置》进行修订的。本标准在修订时参照了机械行业标准JB/T8219-1995《工业过程测量和控制系统用电动执行机构》以及国外电动执行机构先进产品的相应技术要求。本标准与DUT641-1997版比较有以下一...