This Xylem-Mm FS4-3D 1 Npt Flow Switch includes two SPDT switches for accurate and reliable flow detection. With a 1 Npt connection, this flow switch is compatible with a variety of systems. Expertly designed and constructed, it ensures efficient and precise control for any application.

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, it provides a reliable and efficient solution, ensuring seamless integration and optimal performance in industrial, commercial, and residential settings.

Specifications:

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)
• 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)