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Sealing structure of rolling ball valve
Author(s): 
Pages: 32-33
Year: Issue:  1
Journal: Valve

Keyword:  球阀 球体 密封;
Abstract: 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 )。
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