120611 McDonnell & Miller FS-251 Flow Switch

Flow Switches – LiquidSeries 250General Purpose Liquid Flow SwitchesFeatures and BenefitsUniversal design serves the widest variety of applicationsFor starting or stopping electrically operated equipment such as signal lights, alarms, motors, automatic burners, metering devices and othersReplacement for common flow switches from Johnson/Penn, Potter/Taco, Watts, Hydrolevel and other manufacturers1" NPTM Pipe ConnectionSensitivity adjusting screw makes flow adjustment easySingle pole, double throw snap switchEPDM O-ring sealedFour stainless steel paddles included - 1", 2", 3" and 6" (25, 50, 80 and 150mm)Minimum temperature (fluid or ambient) 32°F (0°C)Maximum temperature 225°F (107°C)Maximum operating pressure 160 psi (11.3 kg/cm2)Models:FS251 - NEMA1 enclosureFS254 - NEMA4 enclosure