ICS 23.020.30 CCS J 74 湖 43 南 省 地 方 标 准 DB43/T 1975—2021 站用钢质无缝储气瓶组定期检验规则 Periodic inspection regulation of seamless steel cylinder unit for gas stations 2021 - 05 - 20 实施 2021 - 02 - 20 发布 湖南省市场监督管理局 发 布 DB43/T 1975—2021 目 次 前言························································································································ Ⅲ 1 范围 ····················································································································· 1 2 规范性引用文件 ······································································································ 1 3 术语和定义 ············································································································ 2 4 检验机构与检验人员 ································································································ 2 4.1 检验机构 ········································································································· 2 4.2 检验人员 ········································································································· 2 5 检验周期 ··············································································································· 2 6 检验前准备 ············································································································ 3 6.1 使用单位检验前准备工作 ···················································································· 3 6.2 检验机构检验前准备工作 ···················································································· 3 7 检验项目 ··············································································································· 3 7.1 拆卸进站检验 ··································································································· 3 7.2 不拆卸现场检验 ································································································ 3 8 资料审查 ··············································································································· 3 9 外观检查和壁厚测定 ································································································ 4 9.1 一般要求 ········································································································· 4 9.2 机械损伤和缺陷的检查与评定 ·············································································· 4 9.3 腐蚀的检查与评定 ····························································································· 4 9.4 颈圈、底圈的检查与评定 ···················································································· 4 9.5 其他检查与评定 ································································································ 4 10 音响检查·············································································································· 5 10.1 检查要求 ······································································································· 5 10.2 结果评定 ······································································································· 5 11 硬度检测·············································································································· 5 12 瓶口螺纹检查········································································································ 5 12.1 检查与结果评定 ······························································································ 5 12.2 螺纹修复 ······································································································· 5 13 安全附件及瓶阀检查 ······························································································ 5 13.1 安全附件检查 ································································································· 5 13.2 瓶阀检查 ······································································································· 6 14 内部检查·············································································································· 6 14.1 工具·············································································································· 6 I DB43/T 1975—2021 14.2 检查与结果评定 ······························································································ 6 15 重量与容积测定 ···································································································· 7 15.1 数值修约 ······································································································· 7 15.2 衡器要求 ···················································································