球阀内腔结构尺寸的计算安徽和县阀门总厂夏明锁在球阀设计中，内腔结构尺寸和右体密封圈基面至填料孔中心线距离ｍ（图１）的确定是至关重要的，它的大小直接影响球阀的装配和密封效果。图１球阀内腔结构如果用作图法确定ｍ尺寸，虽然简单，但精确度低，误差较大。在多年... Ball valve cavity size calculation Anhui and Xian Valve Factory Xia Ming lock in the ball valve design, the lumen structure size and the right body sealing surface to the hole centerline distance m (Figure 1) is crucial to determine the The size of a direct impact on the ball valve assembly and sealing effect. Figure 1 ball valve cavity structure If used to determine the size m, though simple, but low accuracy, greater error. In years ...