SELECTABLE MODE TEST AND DRAIN MODULE
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United States of America Patent
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N/A
Issued Date -
Feb 26, 2009
app pub date -
Aug 22, 2007
filing date -
Aug 22, 2007
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A module for testing and draining fire protection sprinkler systems is disclosed. The module has a chamber with an inlet duct in fluid communication with the sprinkler system and an outlet duct. A valve controls fluid flow through the chamber. A plate, having an orifice, is mounted within the chamber and is pivotable to a first or test position wherein the orifice is aligned with the outlet. Flow of water through the chamber is restricted by the orifice to simulate flow through a single open sprinkler head. The plate is pivotable to a second or drain position out of alignment with the outlet, allowing unrestricted flow. The module may include a pipe segment on which the module is mounted, the segment being integrated with a riser of the sprinkler system.
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