Automatic annular valve
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United States of America Patent
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Issued Date -
Jun 26, 2008
app pub date -
Dec 12, 2007
filing date -
Dec 22, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Simple refinishing of the valve seat 3 of an annular valve 1 is made possible, which has a plurality of ring guide studs 15 arranged radially and separated in circumferential direction and projecting from said valve seat 3 to guide sealing rings 5 in radial and axial direction, whereby a recess 18 is provided in the valve seat 3 extending in circumferential direction between to ring guide studs 15 lying at the same radius. No cross piece negatively influencing the outgoing flow must remain between the sealing surfaces 17 in the area of the recess 18 during refinishing of said sealing surfaces 17 of the valve seat 3.
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