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GEMS SENSORS Liquid Flow Switch: Piston, Polypropylene, 3/4 in FNPT, 3/4 in Connection Size - General Purpose Piston Flow Switches
GEMS SENSORSGeneral Purpose Piston Flow Switches

GEMS SENSORS Liquid Flow Switch: Piston, Polypropylene, 3/4 in FNPT, 3/4 in Connection Size

The GEMS SENSORS Liquid Flow Switch: Piston is a general purpose piston flow switch with a fixed set point and normally open switch position. It features a polypropylene body with 3/4 in FNPT connections and a DC…

SKU 3G-OTH-89182

Brand
GEMS SENSORS
Item
Liquid Flow Switch: Piston, Polypropylene, 3/4 in FNPT, 3/4 in Connection Size
Category
General Purpose Piston Flow Switches
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Technical Specifications

GEMS SENSORS
Manufacturer Part Number
FS-500, 170233
Type
Polypropylene, FNPT
FNPT
3/4 in
Set Point Type
Fixed
Connection Size
3/4 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 general purpose piston flow switch with a fixed set point and normally open switch position. It features a polypropylene body with 3/4 in FNPT connections and a DC contact rating of 20 V. This product is identified by manufacturer part numbers FS-500 and 170233.

Frequently Asked Questions

What is a GEMS SENSORS liquid flow switch used for?

A GEMS SENSORS liquid flow switch detects the presence or absence of liquid flow in a pipe. It is commonly used in industrial applications such as pump protection, cooling systems, and process control to trigger an alarm or shut down equipment when flow stops.

What are the specifications of the GEMS SENSORS FS-500 flow switch?

The GEMS SENSORS FS-500 (MPN 170233) is a general purpose piston flow switch with a polypropylene body and 3/4 in FNPT connections. It has a fixed set point, normally open switch position, and a DC contact rating of 20 V.

Where to buy a GEMS SENSORS FS-500 flow switch worldwide?

3G Electric supplies the GEMS SENSORS FS-500 flow switch to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this item.

How to install a GEMS SENSORS piston flow switch?

Install the GEMS SENSORS piston flow switch in a horizontal pipe section with the arrow on the body aligned with flow direction. Use PTFE tape on the 3/4 in FNPT threads. Wire the normally open contacts to your control circuit. Test the set point with actual flow before commissioning.

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 general purpose 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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GEMS SENSORS Liquid Flow Switch: Piston, PPS, 9/16 in UNF, 9/16 in Connection Size, UNF, SPDT, Fixed (MPN FS-4, 122352). Key specifications — Brand: GEMS SENSORS; Set Point Type: Fixed; Switch Position: Normally Closed; Contact Rating (DC): 20 V.
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