【摘要】 介绍了一种球瓣对称设置 ,通过四连杆机构实现球瓣伸缩及旋转运动的球阀密封新结构。该阀密封比压可调 ,密封可靠 ,使用寿命长。此结构已获得发明专利 (专利号 :Z0 3 2 2 6495 X)。更多还原

【Abstract】 The paper introduces a kind of ball disk with symmetrical setup,which is a new sealing structure for ball valve through four-bar linkage to realize ball disk flexing and rotary movement,sealing pressure ratio of the valves are adjustable,reliable in sealing and long life in application.The structure has obtained invention patent(Patent Number:Z03226495.X).更多还原