Description
The Model VSR-S is a vane type waterflow switch for use on wet sprinkler systems that use 1", 1¼", 1½" or 2" pipe size. The unit may also be used as a sectional waterflow 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 fl ow of 10 gallons per minute or more occurs downstream of the device. The flow condition must exist for a period of time necessary to overcome the selected retard period.
Features
- Assembled in USA
- 0-90 second field replaceable time delay retard
- Easy to read retard time delay adjustment knob
- Fits 1” to 2” CPVC, copper, brass, or iron pipe
- Comes with all necessary paddles
- Two SPDT (form C) contacts
- Weatherproof
- Easy to read wire terminal designations
- 5 year warranty
