ICS号： 中国标准文献分类号 ： 团 体 标 准 发 布 实 施 发 布 ⡟⢋䓝䄲䇻㛋䊣㦶䊻㩰⼄㬱㬱⧂チⰞ⹽㏎㈷⭨エ᷍⭨エ⼦7&  - 767,& ⳼㑄㳆㡙㑇㭅㯮㿞䓋Ⳉ SQHXPDWLFFRQYH\LQJURWDU\YDOYH   㩰⼄㬱ネ䂊ネ⥃㦰䐅㾎。 全国团体标准信息平台 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结构型式...........................................................................................................................................................2 5型号和基本参数...............................................................................................................................................2 5.1型号编号...................................................................................................................................................2 5.2基本参数...................................................................................................................................................3 6技术要求...........................................................................................................................................................5 6.1外观...........................................................................................................................................................5 6.2阀体和端板...............................................................................................................................................5 6.3壳体强度...................................................................................................................................................6 6.4密封性能...................................................................................................................................................6 6.5功能...........................................................................................................................................................6 6.6结构...........................................................................................................................................................6 6.7安全性.......................................................................................................................................................6 7试验方法...........................................................................................................................................................6 7.1外观...........................................................................................................................................................6 7.2结构尺寸...................................................................................................................................................6 7.3阀体和端板...............................................................................................................................................7 7.4壳体强度...................................................................................................................................................7 7.5密封性能...................................................................................................................................................7 7.6标识..............