McDonnell & Miller 114550

FS4-3D, 1” Flow Switch 4-3 W/2 SPDT Switches

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

Features

• 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
• Time delay (5 or 20 seconds)– Two SPDT switches to make or break two separate circuits
• Reinforced paddles
• Materials of construction suitable for corrosive liquids
• Fire sprinkler service - Model FS4-3F only
• BSPT threads
• Maximum temperature 300 Deg. F (149 Deg. C)
• Maximum pressure 160 psi (11.3 kg/cm2)