The Model VSR is a vane type water-flow 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) and schedule 5, sizes 2″ thru 6″. LPC approved sizes are 2″ thru 8″ (50 mm thru 200 mm). The VSR may also be used as a sectional water-flow detector on large systems. The VSR contains two single poles, double throw, snap action switches and an adjustable, instantly recycling pneumatic retard.
The Model VSR is a vane type water-flow 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) and schedule 5, sizes 2″ thru 6″. LPC approved sizes are 2″ thru 8″ (50 mm thru 200 mm). The VSR may also be used as a sectional water-flow detector on large systems. The VSR contains two single poles, double throw, snap action switches and an adjustable, instantly recycling pneumatic retard.
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