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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: Piston is a high-pressure-rated compact 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…

SKU 3G-OTH-90123

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
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Technical Specifications

GEMS SENSORS
Manufacturer Part Number
FS-380, 168433
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
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GEMS SENSORS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The GEMS SENSORS Liquid Flow Switch: Piston is a high-pressure-rated compact 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 168433.

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 a fixed set point and normally open SPST switch are required.

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

The GEMS SENSORS FS-380 (MPN 168433) is a brass piston flow switch with 3/8 in NPT connections. It features a fixed set point, normally open SPST switch position, and a 20 V DC contact rating. It is designed for high-pressure liquid applications.

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

3G Electric supplies the GEMS SENSORS FS-380 flow switch worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to install the GEMS SENSORS FS-380 piston 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 connections and ensure the switch is wired to a 20 V DC circuit. Verify the fixed set point matches your system requirements before operation.

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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GEMS SENSORS Liquid Flow Switch: Piston, 316 Stainless Steel, 3/8 in NPT, 3/8 in Connection Size (MPN FS-380, 179995). Key specifications — Brand: GEMS SENSORS; Set Point Type: Fixed; Switch Position: Normally Open; Contact Rating (DC): 20 V.
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GEMS SENSORS Liquid Flow Switch: Piston, Polypropylene, 3/8 in NPT, 3/8 in Connection Size, NPT (MPN FS-380P, 197082). Key specifications — Brand: GEMS SENSORS; Set Point Type: Fixed; Switch Position: Normally Open; Contact Rating (DC): 10 V.
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GEMS SENSORS Liquid Flow Switch: Piston, Polypropylene, 3/8 in NPT, 3/8 in Connection Size, NPT (MPN FS-380P, 197081). Key specifications — Brand: GEMS SENSORS; Set Point Type: Fixed; Switch Position: Normally Open; Contact Rating (DC): 10 V.
GEMS SENSORS Liquid Flow Switch: Piston, Brass, 3/8 in NPT, 3/8 in Connection Size, NPT, SPST, Fixed (MPN FS-380, 168435). Key specifications — Brand: GEMS SENSORS; Set Point Type: Fixed; Switch Position: Normally Open; Contact Rating (DC): 20 V.
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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, 168435). Key specifications — Brand: GEMS SENSORS; Set Point Type: Fixed; Switch Position: Normally Open; Contact Rating (DC): 20 V.