3 INCH FLOW SWITCH W/ ELECTRONIC RETARD
The Model VSR-FE-2 is a vane type waterflow switch with electronic retard for use on wet sprinkler systems. It is UL Listed and FM Approved for use on steel pipe; schedules 10 thru 40, sizes 2" thru 8" (50mm - 200mm).
The unit may also be used as a sectional waterflow detector on large systems.
The unit contains an output relay and an adjustable electronic retard. The relay is actuated when a flow of 10 gallons per minute (38 LPM) or more occurs downstream of the device. The flow condition must exist for a period of time necessary to overcome the selected retard period.
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