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Potter Amseco VSR-4 Vane Type Waterflow Alarm Switch with Retard, 4" Pipe Size (Replaces VSR-F)
VSR-4 Potter / Amseco | JMAC Supply
 
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Our Price: $157.59


Product Code: POTTER-AMSECO-VSR-4
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Potter Amseco VSR-4 Vane Type Waterflow Alarm Switch with Retard, 4" Pipe Size (Replaces VSR-F)


  • Also known as: VSR4, PL-VSR4

  • The Potter Amseco VSR-4 is a vane type waterow switch for use on wet sprinkler systems. It is UL Listed and FM Approved for use on steel pipe; schedules 10 through 40, size 4" (50 mm thru 200 mm).

    The VSR-4 may also be used as a sectional waterow detector on large systems. The unit contains two single pole, double throw, snap action switches and an adjustable, instantly recycling pneumatic retard. The switches are actuated when a ow of 10 GPM (38 LPM) or more occurs downstream of the device. The ow condition must exist for a period of time necessary to overcome the selected retard period.
    Features:
    • Pipe schedules 10-40, size 4
    • NEMA 4 solid metal enclosure
    • Factory installed neoprene gasket
    • Visual switch activation
    • Field replaceable switches
    • Field replaceable retard
    • 0-90 second pneumatic retard
    • 450 psi system pressure rated
    • Synchronized switch action
    • No water to metal contact, eliminates any corrosion possibility
    • Separate isolated wiring chambers eliminate NEC questions regarding multi-voltage applications
    • Two KOs for dual voltage applications
    • Five year warranty (One year warranty on 10)
    • Listings: UL, cUL, FM, CSFM, and NYMEA


    Technical Specifications:

    • 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
    • Nominal Pipe Size: 4", DN 100


    UPC: 785192012825

    Average rating: 5.0, based on 2 reviews


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