GEMS SENSORS Liquid Flow Switch: Piston, Brass, 3/8 in NPT, 3/8 in Connection Size, NPT

The GEMS SENSORS FS-380 is a high-pressure-rated compact piston flow switch used to detect liquid flow or no-flow conditions in industrial piping systems. It is commonly applied in water treatment, HVAC, and process control to protect pumps and equipment from dry running or low-flow damage.

The GEMS SENSORS FS-380 (MPN FS-380, 181130) is a piston-type liquid flow switch with a brass body, 3/8 in NPT connections, and a fixed set point. It features a normally open SPST switch position with a 20 V DC contact rating, designed for high-pressure applications.

You can source the GEMS SENSORS FS-380 flow switch from 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this item.

Install the GEMS SENSORS FS-380 in a horizontal pipe section with the flow arrow aligned to flow direction. Use thread sealant on the 3/8 in NPT connections and ensure the electrical wiring matches the normally open SPST configuration at 20 V DC. Consult the manufacturer's manual for torque and orientation details.