ICS23.020.30 CCSJ74DB4403 深圳市地方标准 在役站用储气瓶组安全性评价方DB4403/T 409—2023 法 Safetyevaluationmethodofin-servicestoragecylinderunitforgas stations 深圳市市场监督管理局发布2024-01-01实施 2023-12-18发布 DB4403/T 409—2023 I目  次 前言..................................................................................II 1范围................................................................................1 2规范性引用文件......................................................................1 3术语和定义..........................................................................1 4基本要求............................................................................2 4.1评价机构........................................................................2 4.2评价周期........................................................................2 4.3评价流程........................................................................3 5评价内容............................................................................3 5.1一般要求........................................................................3 5.2制造合规性审查..................................................................3 5.3外观检查........................................................................4 5.4无损检测........................................................................4 5.5气密性检查......................................................................5 5.6气体成分检查....................................................................5 5.7附件检查........................................................................5 6评价结论............................................................................6 7评价报告............................................................................6 附录A（规范性)在用钢质储气瓶组相控阵超声检测方法和质量分级...........................7 参考文献..............................................................................10