Flow Switches to Meet Designer Needs


When designing an ozone generator, a well water purification system, or a UV water purification system, the flow switch needs to fit the pipe size, trigger the electrical response at the precise GPM specified and needs to be constructed of the right materials for the industrial fluids being monitored. Harwil Corporation’s system of custom manufacturing flow switches has been delivering reliable flow switches at low cost to engineers and designers for over fifty years.


• AC Voltage (Max switching) 300 VAC • DC Voltage (Max switching) 350 VDC • Current (max switching-DC) 0.5 amp • Current (max carrying-DC) 2.5 amp • Power (max resistance load) 50 watts
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