Rapid Controls Pvt. Ltd offers Compact Water Flow Switch. Rapid Controls Pvt. Ltd also offers Actuators, valves and Thermostats. Compact Water Flow Switch is used on liquid pipe lines using water, Methyl glycol solutions or other liquids which are not injurious to brass and Phosphor bronze parts that come in contact with the liquid. The SPDT contacts Make or break and electrical circuit when flow starts or stops. Compact Water Flow Switch is used on indoor or outdoor applications in high humidity atmospheres and on liquid lines handling fluids below Dew point temperature or below 32 deg. F.