Device For Controlling A Fluid Flow
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United States of America Patent
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app pub date -
Sep 28, 2009
filing date -
Mar 26, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Device for controlling a fluid flow between pipes having a housing and a valve body which can move in the housing under the influence of pressure in the pipes. The housing has a sealing surface relative to which the valve body sealing surface can move for closing or controlling the fluid flow through an annular gap.
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