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
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