Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
February 15, 2011
Patent Application Number
10526738
Date Filed
January 17, 2003
Patent Citations Received
Patent Primary Examiner
Patent abstract
A ball valve includes a valve element and a single piece packing that seals the valve element within a valve cavity. The single piece packing is pulled over the valve element at room temperature or may be molded on. The valve element may include a flow control element such as a ball and upper and lower trunnions. The lower trunnion may extend past a lower end of the packing.
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