Fluid valve apparatus having enclosed seals
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United States of America Patent
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Jul 26, 2016
Grant Date -
Jan 29, 2015
app pub date -
Jul 29, 2013
filing date -
Jul 29, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
Fluid valve apparatus having enclosed seals are disclosed. An example fluid valve includes a movable flow control member positioned between an inlet and an outlet of a fluid flow passageway of the fluid valve. A retainer is removably coupled to the flow control member such that the retainer and the flow control member define a sealing cavity when the retainer is coupled to the flow control member. A seal is positioned within the sealing cavity to define a sealing surface of the flow control member. The seal has an inner core composed of a first material, where the core is substantially encased with a sheath composed of a second material different than the first material. The retainer clamps the seal to the flow control member.
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