GEMS SENSORS Liquid Flow Switch: Piston, Brass, 3/8 in NPT, 3/8 in Connection Size, NPT
The GEMS SENSORS Liquid Flow Switch is a high-pressure-rated compact piston-type flow switch with a fixed set point and normally open SPST switch position. It features a brass body with 3/8 in NPT connections and a…
SKU 3G-OTH-90172
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Product Description
The GEMS SENSORS Liquid Flow Switch is a high-pressure-rated compact piston-type flow switch with a fixed set point and normally open SPST switch position. It features a brass body with 3/8 in NPT connections and a 20 V DC contact rating. This model is identified by manufacturer part numbers FS-380 and 168435.
Frequently Asked Questions
What is the GEMS SENSORS FS-380 liquid flow switch used for?
The GEMS SENSORS FS-380 liquid flow switch is used to detect flow or no-flow conditions in high-pressure industrial fluid systems. It is commonly applied in water treatment, HVAC, and process control to protect pumps and equipment from dry running or insufficient flow.
What are the specifications of the GEMS SENSORS 168435 flow switch?
The GEMS SENSORS 168435 flow switch is a piston-type, brass-body unit with 3/8 in NPT connections. It has a fixed set point, normally open SPST switch position, and a 20 V DC contact rating. The manufacturer part numbers are FS-380 and 168435.
Where to buy GEMS SENSORS flow switch FS-380 worldwide?
You can source the GEMS SENSORS FS-380 flow switch worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.
How to install a GEMS SENSORS piston flow switch?
Install the GEMS SENSORS piston flow switch in a horizontal pipe section with the arrow on the body aligned to flow direction. Use thread sealant on the 3/8 in NPT connections and ensure electrical wiring matches the normally open SPST configuration. Consult the manufacturer manual for torque specs.
Used in
Common applications for GEMS SENSORSGEMS SENSORS Products
3G Electric supplies GEMS SENSORS high-pressure-rated compact flow switches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















