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GEMS SENSORS FS-380 High-Pressure-Rated Compact Flow Switch - High-Pressure-Rated Compact Flow Switches
GEMS SENSORSHigh-Pressure-Rated Compact Flow Switches

GEMS SENSORS FS-380 High-Pressure-Rated Compact Flow Switch

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-89518

Also listed as: FS380181130 · FS 380 181130 · FS-380-181130

Brand
GEMS SENSORS
Item
FS-380 High-Pressure-Rated Compact Flow Switch
Part Number
FS-380, 181130
Category
High-Pressure-Rated Compact Flow Switches
Available to Order
Also known as:FS-380, 181130GEMS SENSORS
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Technical Specifications

GEMS SENSORS
Manufacturer Part Number
FS-380, 181130
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 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, identified by manufacturer part numbers FS-380 and 181130.

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 water treatment, HVAC, and process control to protect pumps and equipment from dry running or low-flow damage.

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

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.

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

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.

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 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.

Used in

Common applications for GEMS SENSORS
Cooling water systems — Gems Sensors flow sights with remote output (e.g., 1AMB2) monitor flow to critical equipment and signal alarms.
Lubrication lines — Gems Sensors flow indicators (e.g., 1AMD3) provide visual confirmation of oil flow to bearings and gears.
Process water monitoring — Gems Sensors flow sights (e.g., 1AMB9) verify flow in water treatment and chemical dosing systems.
HVAC systems — Gems Sensors flow switches (e.g., 1AMB5) detect flow in chilled water and condenser loops for pump control.
Food and beverage — Gems Sensors flow sights with stainless steel bodies (e.g., 1AMD4) are used in clean-in-place (CIP) systems for flow verification.
Power generation — Gems Sensors flow sights (e.g., 1AMB6) monitor cooling water and lube oil flow in turbines and generators.
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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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