DB43/T 1975-2021 站用钢质无缝储气瓶组定期检验规则

ICS23.020.30

CCSJ74

43

湖南省地方标准

DB43/T1975—2021

站用钢质无缝储气瓶组定期检验规则

Periodicinspectionregulationofseamlesssteelcylinder

unitforgasstations

2021-02-20发布2021-05-20实施

湖南省市场监督管理局发布

DB43/T1975—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/T1975—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·······································································································7

15.3测定与结果评定······························································································7

16无损检测··············································································································7

16.1磁粉检测·······································································································7

16.2渗透检测·······································································································7

16.3超声波检测····································································································7

16.4声发射检测····································································································7

17水压试验··············································································································8

17.1试验要求及结果评定························································································8

17.2无效试验的处理······························································································8

18内部干燥··············································································································8

19气密性试验···········································································································9

19.1试验要求·······································································································9

19.2结果评定·······································