System For Improving Water Delivery Time In Dry Pipe Sprinkler System
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United States of America Patent
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N/A
Issued Date -
Jul 22, 2010
app pub date -
Jan 19, 2010
filing date -
Jan 22, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A dry sprinkler system, includes a fire extinguishing fluid supply line connected to a pressurized fire extinguishing fluid source. A plurality of fire protection sprinklers are connected to the fire extinguishing fluid supply line, each of the plurality of fire protection sprinklers including a sprinkler body having a stepped orifice. A control system is operably connected to the pressurized fire extinguishing fluid source and the fire extinguishing fluid supply line. The control system is configured to maintain the fire extinguishing fluid supply line dry during a non-activated condition and to forward a fire extinguishing fluid to the fire extinguishing fluid supply line from the pressurized fire extinguishing fluid source upon activation of one of the plurality of fire protection sprinklers. The use of stepped orifice sprinklers allows for a quicker discharge of air from the fluid supply line as compared to typical tapered orifice sprinklers, thereby providing improved water delivery time.
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