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Waterflow Switch

VSR · SKU: POTTER-VSR In Stock

Potter VSR is a vane-type waterflow switch for wet sprinkler systems. It features two SPDT contacts and an adjustable pneumatic retard to detect sustained water flow and activate fire alarms. Suitable for specified steel pipe sizes from 2 to 8 inches, depending on approvals.

Brand
Min Order Qty
1
Material
Composite Plastic; Die-Cast Aluminum
POTTER
POTTER
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Technical Specifications

Product_Type Vane Type Waterflow Switch
Model VSR
Brand Potter
Application Wet Fire Sprinkler Systems
Detection Waterflow
Contacts Two SPDT Form C Sets
Flow_Sensitivity 4-10 GPM 15-38 LPM UL
Activation_Flow 10 GPM 38 LPM or More Subject to Retard Period
Retard Adjustable Automatically Recycling Pneumatic Retard
Pipe_Sizes 2-8 inch 50-200 mm Depending on Approval
Cover_Material Weather UV and Flame Resistant High Impact Composite
Base_Material Die-Cast Aluminum
AC_Contact_Rating 10 A at 125/250 VAC
DC_Contact_Rating 2 A at 30 VDC Resistive
Minimum_Contact_Rating 10 mA at 24 VDC
Operating_Temperature 4.5 to 49 C UL
Enclosure_Rating NEMA 4 IP54
Maximum_Service_Pressure 450 PSI 31 bar UL
Maximum_Flow_Velocity 5.5 m/s
Conduit_Entrances Two 1/2 inch Knockouts
Installation Indoor or Outdoor with Suitable Conduit Fittings
Approvals UL FM LPCB Depending on Size
Service_Standards NFPA 13 13D 13R 72
Cover_Tamper_Switch Optional
Manufacturer Potter Electric Signal Company LLC

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