空气阀基础知识--141221

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1、空气阀（排气阀）基础知识BasicsofAirValve目录1.空气阀简述.......................................................................................................................................21.1空气阀分类.......................................................................................................................

2、.......21.2空气阀功能简介.....................................................................................................................21.3关于排气阀测试装置............................................................................................................151.4排气阀的几个关键技术参数介绍.........................

3、..............................................................152.完美的空气阀设计选型方法.........................................................................................................192.1安装设计示意图-摘自南非CATT论文截图......................................................................192.2技术解读TechnicalUnde

4、rstanding.................................................................................193.管线空气阀设计选型方法（暂略）...........................................................................................203.1微量排气孔口选型计算方法...................................................................................

5、............203.2高速排气孔口选型计算方法...............................................................................................203.3高速吸气孔口选型计算方法...............................................................................................203.4特殊工况特殊孔口选型计算方法.............................................

6、..........................................203.5负压水锤防护技术措施.......................................................................................................203.6正压水锤防护技术措施.......................................................................................................204.工程实例..............

7、...........................................................................................................................215.几种空气阀的防水锤效果比较............................................................