Potter VSR-C 2" FOR COPPER PIPE

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2 INCH FOR COPPER PIPE The Model VSR-C is a vane type waterflow switch for use on wet sprinkler systems with copper pipe. It is UL Listed for use on Type K, L, and M copper pipe, s izes 2" thru 4" (50mm - 100mm). The VSR-C may also be used as a sectional waterflow detector on large systems. The VSR-C 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. Show more