Combined plug and sealing ring for sprinkler nozzle and related methods
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United States of America Patent
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Dec 17, 2013
Grant Date -
Nov 10, 2011
app pub date -
May 25, 2011
filing date -
Jan 3, 2007
priority date (Note) -
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Abstract
A combined plug and sealing ring for a sprinkler nozzle includes a nozzle plug having a substantially cylindrical portion adapted to engage within a nozzle orifice of a sprinkler nozzle, and a cap overlaying the substantially cylindrical portion. A sealing ring is adapted to seat onto a threaded pipe fitting portion of the sprinkler nozzle. A leash interconnects the nozzle plug and the sealing ring. A combined plug and sealing ring in combination with a sprinkler nozzle, and a method of installing a sprinkler nozzle in a highly corrosive or extremely corrosive environment are also disclosed.
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