Specification of Paddle Flow Switch POTTER VSR-AT 4
POTTER VSR-4 4" WATER FLOW SWITCH (WFD40)
VSR Vane Type Waterflow Alarm Switch with Retard
UL, CUL and CSFM Listed, FM Approved, LPCB Approved, For CE Marked (EN12259-5) / VdS Approved Model, use VSR-EU
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)
Cross Reference: WFD40 . System Sensor