滚动球球阀密封结构

Sealing structure of rolling ball valve

介绍了一种球体或球瓣向阀座平行滚动而压紧阀座形成密封的球阀密封结构。此种结构已获得发明专利 (专利号 :ZL 991 2 41 53 3 )。

To introduce one kind of ball valve sealing structures which is formed through bringing pressure on the seat ring while the ball or disc is rolling towards the seat ring parallelly.This structure has been certificated of China Invetion Paten (Number:ZL99124153\^3).