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1144402 Potter VSR-2 Sprinkler Saddle Type Flow Switch 2in DN50mm 2.375in 60.3MM

SKU: 1144402
  • Model Number: VSR-2
  • Item Number: 1144402
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Ordering Notes: Dealers Only
MSRP Price: $224.00


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1144402 Potter VSR-2 Sprinkler Saddle Type Flow Switch 2in DN50mm 2.375in 60.3MM
1144402 Potter VSR-2 Sprinkler Saddle Type Flow Switch 2in DN50mm 2.375in 60.3MM
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Product Details

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.

  • UL, CUL and CSFM Listed, FM Approved, LPCB Approved, For CE Marked (EN12259-5) / VdS Approved model use VSR-EU
  • Measurments:
    • Nominal Pipe Size - 2in, DN50mm
    • Nominal Pipe O.D - 2.375in, 60.3MM
  • Service Use:
    • Automatic Sprinkler NFPA-13
    • One or two family dwelling NFPA-13D
    • Residential occupancy up to four stories NFPA-13R
    • National Fire Alarm Code NFPA-72
  • Service Pressure - 450 PSI (31 BAR) - UL
  • Flow Sensitivity Range for Signal - 4-10 GPM (15-38 LPM) - UL
  • Maximum Surge - 18 FPS (5.5 m/s)
  • Contact Ratings:
    • Two sets of SPDT (Form C)
    • 10.0 Amps at 125/250VAC
    • 2.0 Amps at 30VDC Resistive
    • 10 mAmps min. at 24VDC
  • Conduit Entrances:
    • Two knockouts provided for 1/2" conduit.
    • Individual switch compartments suitable for dissimilar voltages.
  • Environmental Specifications:
    • NEMA 4/IP54 Rated Enclosure suitable for indoor or outdoor use with factory installed gasket and die-cast housing when used with appropriate conduit fitting.
    • Temperature Range: 40F - 120F, (4.5C - 49C) - UL
    • Non-corrosive sleeve factory installed in saddle.

1144402 Specifications PDF


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