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GEMS SENSORS FS-150 Low Pressure Drop Piston Flow Switch, NO, 1.0 GPM - Low Pressure Drop Piston Flow Switches
GEMS SENSORSLow Pressure Drop Piston Flow Switches

GEMS SENSORS FS-150 Low Pressure Drop Piston Flow Switch, NO, 1.0 GPM

The GEMS SENSORS Liquid Flow Switch: Piston is a low pressure drop piston flow switch with a fixed set point and normally open switch position. It features a polypropylene body with 1/2 in NPT connections and a…

SKU 3G-OTH-89042

Also listed as: FS150NO10GPM · FS 150 NO 1 0GPM · FS-150-NO-1-0GPM

Brand
GEMS SENSORS
Item
FS-150 Low Pressure Drop Piston Flow Switch, NO, 1.0 GPM
Part Number
FS-150, NO, 1.0GPM
Category
Low Pressure Drop Piston Flow Switches
Available to Order
Also known as:FS-150, NO, 1.0GPMGEMS SENSORS
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Technical Specifications

GEMS SENSORS
Manufacturer Part Number
FS-150, NO, 1.0GPM
Type
Polypropylene, NPT
NPT
1/2 in
Set Point Type
Fixed
Connection Size
1/2 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 low pressure drop piston flow switch with a fixed set point and normally open switch position. It features a polypropylene body with 1/2 in NPT connections and a contact rating of 20 V DC. The manufacturer part number is FS-150, NO, 1.0GPM.

Frequently Asked Questions

What is the GEMS SENSORS FS-150 liquid flow switch used for?

The GEMS SENSORS FS-150 is a low pressure drop piston flow switch used to detect liquid flow in industrial piping systems. It is commonly applied in water treatment, chemical processing, and HVAC equipment to trigger an alarm or control a pump when flow reaches 1.0 GPM.

What are the specifications of the GEMS SENSORS FS-150 flow switch?

The FS-150 has a polypropylene body with 1/2 in NPT connections, a fixed set point, and a normally open switch position. Its DC contact rating is 20 V. The manufacturer part number is FS-150, NO, 1.0GPM. It is designed for low pressure drop applications.

Where to buy the GEMS SENSORS FS-150 flow switch worldwide?

You can source the GEMS SENSORS FS-150 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 GEMS SENSORS part.

How to install a GEMS SENSORS piston flow switch?

Install the FS-150 in a horizontal pipe section with the arrow on the body aligned with flow direction. Use PTFE tape on the 1/2 in NPT threads to prevent leaks. Wire the normally open contacts to your control circuit rated for 20 V DC. Test flow at 1.0 GPM to verify switch actuation.

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
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GEMS SENSORS Products

3G Electric supplies GEMS SENSORS low pressure drop piston 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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