Field Instruments

General

The Model VSR-CR is a vane type water flow switch for use on wet sprinkler systems where external corrosion is a concern. It is UL Listed and CUL Listed for use on a steel pipe; schedules 5 through 40, sizes 2" - 6" and is UL and CUL Listed for use on steel pipe; schedules 10 through 40, sizes 2" thru 8" (50 mm thru 200 mm). See Ordering Information chart.

The VSR-CR may also be used as a sectional water flow detector on large systems. The VSR-CR 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.

Features:

• NEMA 4/IP66 solid metal enclosure
• 0-90 second field replaceable retard
• Non-corrosive saddle bushing
• (2) ½” threaded conduit connections
• Assembled in USA

Specifications

• Make : Potter
• Model: VSR-CR-6
• Size: 6”
• Service Pressure: 450 PSI (31 BAR) - UL            
• 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.   Individual switch compartments suitable     for dissimilar voltages.
• Environmental Specifications:    
  • • NEMA 4X/IP66 Rated Enclosure suitable for indoor or  outdoor use with factory installed gasket and die-cast housing when used with appropriate conduit fitting.                
    • Corrosion resistant hardware of 316 stainless steel                
    • Corrosion resistant powder coated base and saddle
    • Temperature Range:  40°F - 120°F, (4.5°C - 49°C) - UL
    • Non-corrosive sleeve factory installed  in saddle.

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