Environmentally Conscious and Economically Sound Machine Dismantling Forum > Milwaukee
> Welding and Laser Cutting
> New potter vsr-f 4" waterflow alarm switch with retard
New potter vsr-f 4" waterflow alarm switch with retard
Potter VSR-F 4" Vane Type WaterFlow Alarm Switch with Retard
The Potter Model VSRF-4" is a vane type waterflow switch for use on
wet sprinkler systems. It is UL Listed and FM Approved for
use on steel pipe; schedules 10 through 40, sizes 2" thru 8".
LPC approved sizes are 2" thru 8" (50mm thru 200mm).
The unit may also be used as a sectional waterflow detector
The unit contains two single pole, double throw, snap action
switches and an adjustable, instantly recycling pneumatic
retard. The switches are actuated when a flow of 10 gallons
per minute or more occurs downstream of the device. The
flow condition must exist for a period of time necessary to
overcome the selected retard period.
