Fractionation tray having a manway unit
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United States of America Patent
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Dec 26, 2017
Issued Date -
N/A
app pub date -
May 18, 2015
filing date -
May 23, 2014
priority date (Note) -
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Abstract
A fractionation tray includes a manway unit positioned to cover a manway opening in the fractionation tray. The manway opening is framed by one or more fractionation tray panels having apertures therethrough adjacent to the manway opening. The manway unit includes a first manway panel having: perforations for the passage of fluid; first and second opposing side edges and two opposing end edges; and finger elements extending from the second side edge. The finger elements of the second side edge are received within the apertures adjacent to a first side of the manway opening. The manway unit is configured to open and close by rotation of the finger elements within the apertures.
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