Actuator and zone valve
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United States of America Patent
Stats
-
Jul 30, 1996
Grant Date -
N/A
app pub date -
May 3, 1994
filing date -
May 3, 1994
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A valve body including a first body member and a second body member adjacent the first body member, with the first and second body members defining a through-passage. A ball valve element having a bore therethrough is disposed within the valve body. A ball seat is interposed between the first and second body members. The ball seat is positioned to sealingly engage the ball valve element when the ball valve element is in the closed position to prevent fluid from passing by the ball valve element. The ball seat is resiliently biased against the first body member and against the ball valve element by a single biasing member positioned to provide both a fluid seal and a resilient bias between the ball seat and the first body member.
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Cited Art Landscape
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