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

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

The GEMS SENSORS Liquid Flow Switch: Piston is a high-pressure-rated compact flow switch with a fixed set point and normally open switch position. It features a polypropylene body, 3/8 in NPT connection size, and a…

SKU 3G-OTH-90399

Also listed as: FS380P197082 · FS 380P 197082 · FS-380P-197082

Brand
GEMS SENSORS
Item
Liquid Flow Switch: Piston, Polypropylene, 3/8 in NPT, 3/8 in Connection Size
Category
High-Pressure-Rated Compact Flow Switches
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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-380P, 197082
Type
Polypropylene, NPT
NPT
3/8 in
Set Point Type
Fixed
Connection Size
3/8 in
Switch Position
Normally Open
Contact Rating (DC)
10 V

Technical Documents

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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 switch position. It features a polypropylene body, 3/8 in NPT connection size, and a contact rating of 10 V DC. This model is identified by manufacturer part numbers FS-380P and 197082.

Frequently Asked Questions

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

The GEMS SENSORS FS-380P piston flow switch is used to detect liquid flow in high-pressure industrial systems. It is commonly applied in water treatment, chemical processing, and cooling circuits where a fixed set point and normally open switch position are required to trigger alarms or control pumps.

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

The GEMS SENSORS FS-380P is a polypropylene piston flow switch with a 3/8 in NPT connection. It has a fixed set point, normally open switch position, and a DC contact rating of 10 V. The manufacturer part numbers are FS-380P and 197082.

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

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

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

Install the GEMS SENSORS FS-380P in a horizontal pipe section with the arrow on the body aligned to flow direction. Use PTFE tape on the 3/8 in NPT threads to prevent leaks. Wire the normally open contacts to your control circuit. Always depressurize the system before installation.

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, Polypropylene, 3/8 in NPT, 3/8 in Connection Size, NPT (MPN FS-380P, 197081)
GEMS SENSORS
GEMS SENSORS Liquid Flow Switch: Piston, Polypropylene, 3/8 in NPT, 3/8 in Connection Size, NPT (MPN FS-380P, 197081)
GEMS SENSORS Liquid Flow Switch: Piston, Polypropylene, 3/8 in NPT, 3/8 in Connection Size, NPT (MPN FS-380P, 197084)
GEMS SENSORS
GEMS SENSORS Liquid Flow Switch: Piston, Polypropylene, 3/8 in NPT, 3/8 in Connection Size, NPT (MPN FS-380P, 197084)
GEMS SENSORS Liquid Flow Switch: Piston, Polypropylene, 3/8 in NPT, 3/8 in Connection Size, NPT (MPN FS-380P, 197083)
GEMS SENSORS
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, Brass, 3/8 in NPT, 3/8 in Connection Size, NPT, SPST, Fixed (MPN FS-380, 181130)
GEMS SENSORS
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, Brass, 3/8 in NPT, 3/8 in Connection Size, NPT, SPST, Fixed (MPN FS-380, 168435)
GEMS SENSORS
GEMS SENSORS Liquid Flow Switch: Piston, Brass, 3/8 in NPT, 3/8 in Connection Size, NPT, SPST, Fixed (MPN FS-380, 168435)
GEMS SENSORS Liquid Flow Switch: Piston, 316 Stainless Steel, 3/8 in NPT, 3/8 in Connection Size (MPN FS-380, 179992)
GEMS SENSORS
GEMS SENSORS Liquid Flow Switch: Piston, 316 Stainless Steel, 3/8 in NPT, 3/8 in Connection Size (MPN FS-380, 179992)

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Piston-type flow switch with a brass body and 3/8 in NPT connection. Features a fixed set point, normally open SPST switch, and 20 V DC contact rating. Suitable for detecting liquid flow or no-flow conditions in industrial piping systems
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Piston-type flow switch with a brass body and 3/8 in NPT connection. Features a fixed set point, normally open SPST switch, and 20 V DC contact rating. Suitable for detecting liquid flow or no-flow conditions in industrial piping systems
This compact piston flow switch is designed for high-pressure liquid flow detection in industrial piping systems. It features a polypropylene body with 3/8 in NPT connections, a fixed set point, and a normally open switch position with a 10 V DC contact rating. Typical applications include flow monitoring in water treatment, chemical processing, and HVAC equipment
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This compact piston flow switch is designed for high-pressure liquid flow detection in industrial piping systems. It features a polypropylene body with 3/8 in NPT connections, a fixed set point, and a normally open switch position with a 10 V DC contact rating. Typical applications include flow monitoring in water treatment, chemical processing, and HVAC equipment
This compact flow switch uses a piston mechanism to detect liquid flow or no-flow conditions in high-pressure piping systems. It features a brass body with 3/8 in NPT connections, a fixed set point, and a normally open SPST switch rated at 20 V DC. Suitable for applications such as HVAC, water treatment, and process control where reliable flow indication is required
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This compact flow switch uses a piston mechanism to detect liquid flow or no-flow conditions in high-pressure piping systems. It features a brass body with 3/8 in NPT connections, a fixed set point, and a normally open SPST switch rated at 20 V DC. Suitable for applications such as HVAC, water treatment, and process control where reliable flow indication is required
GEMS SENSORS Liquid Flow Switch: Piston, Brass, 3/8 in NPT, 3/8 in Connection Size, NPT, SPST, Fixed (MPN FS-380, 168434)
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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, 168434)
GEMS SENSORS Liquid Flow Switch: Piston, Brass, 3/8 in NPT, 3/8 in Connection Size, NPT, SPST, Fixed (MPN FS-380, 178353)
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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, 178353)
GEMS SENSORS Liquid Flow Switch: Piston, Polypropylene, 3/8 in NPT, 3/8 in Connection Size, NPT (MPN FS-380P, 209876)
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GEMS SENSORS Liquid Flow Switch: Piston, Polypropylene, 3/8 in NPT, 3/8 in Connection Size, NPT (MPN FS-380P, 209876)
GEMS SENSORS Liquid Flow Switch: Piston, 316 Stainless Steel, 3/8 in NPT, 3/8 in Connection Size (MPN FS-380, 179995)
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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)
GEMS SENSORS Liquid Flow Switch: Piston, 316 Stainless Steel, 3/8 in NPT, 3/8 in Connection Size (MPN FS-380, 179996)
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