General Purpose Liquid Flow Switches

Series : FS4-3

Features and Benefits

• Universal design serves the widest variety of applications – For starting or stopping electrically operated equipment such as signal lights, alarms, motors, automatic burners, metering devices and others – Replacement for common flow switches from Johnson/Penn, Potter/Taco, Watts, Hydrolevel and other manufacturers • 1″ NPT • Two electrical knock-outs allows connection from either end • Sensitivity adjusting screw makes flow adjustment easy • Single pole, double throw snap switch • Hardened stainless steel bearings minimize friction • Sealed Monel bellows • Four stainless steel paddles included -1″, 2″, 3″ & 6″ (25, 50, 80, & 150mm)

Optional Features

• Two SPDT switches to make or break two separate circuits • Materials of construction suitable for corrosive liquids • BSPT threads • Minimum temperature (fluid or ambient) 32°F (0°C) • Maximum temperature 300°F (149°C) • Maximum pressure 160 psi (11.3 kg/cm2)