目录目录..................................................................................................................................................0第一章阀门的基本知识.................................................................................................................1第一节概论.............................................................................................................................1第二节阀门的分类方法.........................................................................................................2第三节阀门主要零件材料.....................................................................................................5第四节阀门的型号编制方法...............................................................................................16第二章阀门的结构型式和用途....................................................................................................22一、闸阀................................................................................................................................22二、截止阀............................................................................................................................25三、节流阀............................................................................................................................26四、止回阀..........................................................................................................................27五、旋塞阀............................................................................................................................29六、球阀................................................................................................................................30七、蝶阀...............................................................................................................................33八、安全阀............................................................................................................................36第三章阀门研磨工具、磨料及研磨方法...................................................................................40第一节阀门研磨工具...........................................................................................................40第二节研磨材料...................................................................................................................42第三节阀门的研磨原理........................................................................................................47第四节密封面的研磨方法....................................................................................................49第四章阀门的选用、安装、维护与操作....................................................................................55第一节阀门的选用...............................................................................................................55第二节安装...........................................................................................................................62第三节维护...........................................................................................................................67第四节操作...........................................................................................................................68第五章阀门的检查、修理与寿命.........