【摘要】 介绍了介质侧压紧填料的阀门密封结构改进和试验情况。更多还原

【Abstract】 By improving traditional valve sealing struc- ture,the sealing structure of packing pressed from the side of media has reasonable pressing force distribution in the direction of packing altitude and good sealing state,the experimental study for the sealing structure of packing pressed from the side of media is performed.更多还原