Safety and control devices for gas burners and gas-burning-appliances—Particular requirements—Value-proving systems for automatic shut-off valves
MOD ISO 23551-4:2018
中华人民共和国住房和城乡建设部
本标准规定了使用GB/T 13611规定的城镇燃气的燃气燃烧器和燃烧器具用自动截止阀的阀门检验系统（以下简称VPS）的术语和定义，分类，结构和材料，要求，试验方法，检验规则，标志、安装和使用说明书，包装、运输和贮存。
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