Ball valve packing

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 lo...

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Bibliographic Details
Main Authors GOTCH JAMES E, FRY BRANDON J, KVARDA ERIC M, LIPPUCCI THOMAS A, TIMKO JARED S
Format Patent
LanguageEnglish
Published 15.02.2011
Subjects
ACTUATING-FLOATS
BLASTING
COCKS
DEVICES FOR VENTING OR AERATING
ENGINEERING ELEMENTS AND UNITS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MECHANICAL ENGINEERING
TAPS
THERMAL INSULATION IN GENERAL
VALVES
WEAPONS
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Summary: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.
Bibliography:Application Number: US20050526738