POTTER VANE WATERFLOW SWITCH 4" DPDT
Product Info
The Model VSR 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” (50 mm thru 200 mm). LPC approved sizes are 2” thru 8” (50 mm thru 200 mm). See Ordering Information chart. The VSR may also be used as a sectional waterflow detector on large systems. The VSR 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 GPM (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.
Features
The Model VSR is a Vane Type Waterflow Switch with Non-Corrosive Insert for Use on Wet Sprinkler System?The VSR May also be Used as a Sectional Waterflow Detector on Large System?The Flow Condition Must Exist for a Period of Time Necessary to Overcome the Selected Retard Period?Made in USA
Sprinkler Flow Switch
Type Vane
Nominal Size 4 Inch
Contact Type (2) SPDT
Enclosure Type NEMA 4, IP54
Current Rating 10 Amp at 125/250 Volt AC
Flow Rate 4 to 10 GPM
Temperature Rating 40 to 120 Deg F
Pressure Rating 450 PSI (Service)
Inclusions/Features (2) Single Pole, Double Throw, Snap Action Switch and an Adjustable, Recycling Pneumatic Retard, (2) Knockout
Applicable Standard UL, ULC, FM, CE, LPC
U-Bolt Nut Torque Rating 20 Foot-Pound
Maximum Surge 18 FPS
Used for 4 Inch Pipe
Pipe Wall Thickness 0.084 Inch (Light Wall), 0.12 Inch (Schedule 10), 0.237 (Schedule 40), 0.177 Inch (BS-1387), 0.126 Inch (DN)
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