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| CJ/T 447-2014 Automatic Shutoff Valve for Pipeline Gas (English Version) |
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Introduction of CJ/T 447-2014
本标准规定了管道燃气自闭阀的术语和定义，分类及型号，结构与材料，要求，试验方法，检验规则，标志、使用说明书，包装、运输和贮存。
本标准适用于使用介质符合GB/T 13611规定的城镇燃气，工作温度不超出-10℃～40℃范围，安装在设计压力小于10kPa的户内燃气管道上，公称尺寸不大于50mm的管道燃气自闭阀。
Contents of CJ/T 447-2014