McDonnell 114642 Flow Switch 1 Npt

Product Overview

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)

• 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)