Johnson Control FS80-C Flow Switch

FS80-C Flow Switch responds to fluid flow in lines carrying water, ethylene glycol, or other Non-hazardous fluids. FS80-C Flow Switch uses a variety of paddle sizes to respond to fluid flow rates in applications with pipe sizes greater than 1-inch trade size. Single-Pole, Double-Throw (SPDT) flow switch that can be wired to energize one device and de-energize another device powered from the same source when liquid flow either exceeds or drop below the set flow rates.
 
IP55 Enclosures Use IP55 enclosures of FS80-C flow switch for indoor or outdoor applications in high-humidity environments. Use this model with pipes carrying fluids at temperatures in the range of -25～110℃ where fluid temperatures are above the ambient dew point. The SPDT switch on the FS80-C has colour-coded terminals. Red is common, and closed to Blue upon flow increase and to Yellow upon flow decrease.