ICS25.140.10 J48 团 体 标 准 T/ZGWJHXH-34-2020 电站锅炉用长颈喷嘴流量计安全技术 SafetyTechnologyforUtilityBoiler Long-radiusNozzleFlowmeter 中国五金交电化工商业协会发布2020-07-01发布 2020-08-01实施 全国团体标准信息平台 全国团体标准信息平台 T/ZGWJHXH-34-2020 I全国团体标准信息平台 T/ZGWJHXH-34-2020 II目次 前言................................................................................................................................................III 引言..................................................................................................................................................IV 1范围..............................................................................................................................................1 2规范性引用文件..........................................................................................................................1 3术语和定义..................................................................................................................................2 4符号..............................................................................................................................................2 5基本结构与代号..........................................................................................................................3 5.1基本结构..........................................................................................................................3 5.2产品型式代号..................................................................................................................4 6技术要求......................................................................................................................................4 6.1一般要求..........................................................................................................................4 6.2材料..................................................................................................................................5 6.3设计..................................................................................................................................5 6.4制造要求..........................................................................................................................6 7检验与试验....................................................................................................................................7 7.1外观检查..........................................................................................................................7 7.2材料验证复验..................................................................................................................7 7.3尺寸测量..........................................................................................................................7 7.4测量管壁厚测量..............................................................................................................7 7.5无损检测..........................................................................................................................7 7.6产品焊接接头力学性能试验..........................................................................................9 7.7金相检验..........................................................................................................................9 7.8水压试验..........................................................................................................................9 8检验规则......................................................................................................................................9 8.1逐只检验..........................................................................................................................9 8.2检验评定要求..................................................................................................................9 8.3制造监督检验..................................................................................................................9 9出厂文件....................................................................................................................................10 9.1出厂资料.................