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GEMS SENSORS Liquid Flow Switch: Piston, Brass, 3/8 in NPT, 3/8 in Connection Size, NPT - High-Pressure-Rated Compact Flow Switches
GEMS SENSORSHigh-Pressure-Rated Compact Flow Switches

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 flow switch of the piston type, model FS-380 (MPN 168432). It features a fixed set point, normally open SPST switch position, and a 20 V DC contact…

SKU 3G-OTH-90097

Also listed as: FS380168432 · FS 380 168432 · FS-380-168432

Brand
GEMS SENSORS
Item
Liquid Flow Switch: Piston, Brass, 3/8 in NPT, 3/8 in Connection Size, NPT
Category
High-Pressure-Rated Compact Flow Switches
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

GEMS SENSORS
Manufacturer Part Number
FS-380, 168432
Type
Brass, NPT, SPST, Fixed
NPT
3/8 in
Set Point Type
Fixed
Connection Size
3/8 in
Switch Position
Normally Open
Contact Rating (DC)
20 V

Technical Documents

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GEMS SENSORS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The GEMS SENSORS Liquid Flow Switch is a high-pressure-rated compact flow switch of the piston type, model FS-380 (MPN 168432). It features a fixed set point, normally open SPST switch position, and a 20 V DC contact rating, with a brass body and 3/8 in NPT connection size.

Frequently Asked Questions

What is the GEMS SENSORS FS-380 liquid flow switch used for?

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 HVAC, water treatment, and process control where reliable flow monitoring with a fixed set point is required.

What are the specifications of the GEMS SENSORS FS-380 flow switch?

The GEMS SENSORS FS-380 (MPN 168432) is a piston-type liquid flow switch with a brass body and 3/8 in NPT connection. It has a fixed set point, normally open SPST switch position, and a 20 V DC contact rating. It is designed for high-pressure-rated compact applications.

Where to buy the GEMS SENSORS FS-380 flow switch worldwide?

You can source the GEMS SENSORS FS-380 flow switch through 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 model.

How to install the GEMS SENSORS FS-380 flow switch?

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 connection and ensure the switch is wired to a normally open circuit. Refer to the manufacturer's manual for torque and electrical ratings.

Used in

Common applications for GEMS SENSORS
Burner management — GEMS SENSORS FS-4 piston flow switch for monitoring cooling water flow in industrial burners
Pump protection — GEMS SENSORS FS-380 high-pressure flow switch to detect loss of flow in pump systems
Process control — GEMS SENSORS 230500 thermal-dispersion flow switch for low-flow detection in chemical processes
Cooling systems — GEMS SENSORS RFS flow sight with remote output for visual and electrical flow indication in heat exchangers
Water treatment — GEMS SENSORS FT-110 turbine flow sensor for measuring flow rates in filtration systems
Hydraulic systems — GEMS SENSORS FS-500 polypropylene piston flow switch for corrosive fluid monitoring in hydraulic circuits

GEMS 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.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
GEMS SENSORS Liquid Flow Switch: Piston, Brass, 3/8 in NPT, 3/8 in Connection Size, NPT, SPST, Fixed (MPN FS-380, 168433)
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GEMS SENSORS Liquid Flow Switch: Piston, Brass, 3/8 in NPT, 3/8 in Connection Size, NPT, SPST, Fixed (MPN FS-380, 168433)
GEMS SENSORS Liquid Flow Switch: Piston, Brass, 3/8 in NPT, 3/8 in Connection Size, NPT, SPST, Fixed (MPN FS-380, 181130)
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GEMS SENSORS Liquid Flow Switch: Piston, Brass, 3/8 in NPT, 3/8 in Connection Size, NPT, SPST, Fixed (MPN FS-380, 181130)
GEMS SENSORS Liquid Flow Switch: Piston, Polypropylene, 3/8 in NPT, 3/8 in Connection Size, NPT (MPN FS-380P, 197083)
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GEMS SENSORS Liquid Flow Switch: Piston, Polypropylene, 3/8 in NPT, 3/8 in Connection Size, NPT (MPN FS-380P, 197083)
GEMS SENSORS Liquid Flow Switch: Piston, Polypropylene, 3/8 in NPT, 3/8 in Connection Size, NPT (MPN FS-380P, 197085)
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GEMS SENSORS Liquid Flow Switch: Piston, Polypropylene, 3/8 in NPT, 3/8 in Connection Size, NPT (MPN FS-380P, 197085)
GEMS SENSORS Liquid Flow Switch: Piston, Polypropylene, 3/8 in NPT, 3/8 in Connection Size, NPT (MPN FS-380P, 197084)
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GEMS SENSORS Liquid Flow Switch: Piston, Polypropylene, 3/8 in NPT, 3/8 in Connection Size, NPT (MPN FS-380P, 197084)

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