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.
POTTER
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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