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GEMS SENSORS Liquid Flow Switch: Piston, Brass, 1/4 in FNPT, 1/4 in Connection Size - Low-Flow Piston Flow Switches
GEMS SENSORSLow-Flow Piston Flow Switches

GEMS SENSORS Liquid Flow Switch: Piston, Brass, 1/4 in FNPT, 1/4 in Connection Size

The GEMS SENSORS Liquid Flow Switch: Piston is a low-flow piston flow switch with a fixed set point and normally open switch position. It features a brass body with 1/4 in FNPT connections and an SPDT contact rated…

SKU 3G-OTH-90283

Also listed as: FS92626951 · FS 926 26951 · FS-926-26951

Brand
GEMS SENSORS
Item
Liquid Flow Switch: Piston, Brass, 1/4 in FNPT, 1/4 in Connection Size
Category
Low-Flow Piston Flow Switches
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Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

GEMS SENSORS
Manufacturer Part Number
FS-926, 26951
Type
Brass, FNPT, SPDT
FNPT
1/4 in
Set Point Type
Fixed
Connection Size
1/4 in
Switch Position
Normally Open
Contact Rating (DC)
20 V
Hazardous Location Specification
Class I, Div 2, Group A, B, C, D

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 low-flow piston flow switch with a fixed set point and normally open switch position. It features a brass body with 1/4 in FNPT connections and an SPDT contact rated at 20 V DC. This model (MPN FS-926, 26951) is suitable for hazardous locations rated Class I, Div 2, Groups A, B, C, D.

Frequently Asked Questions

What is the GEMS SENSORS FS-926 liquid flow switch used for?

The GEMS SENSORS FS-926 liquid flow switch detects low flow in pipes and triggers a normally open SPDT contact at a fixed set point. It is used in industrial fluid monitoring, including hazardous locations rated Class I, Div 2, Groups A, B, C, D, such as chemical processing or oil and gas.

What are the specifications of the GEMS SENSORS 26951 flow switch?

The GEMS SENSORS 26951 flow switch has a brass body with 1/4 in FNPT connections, a fixed set point, normally open switch position, and SPDT contact rated at 20 V DC. It is certified for hazardous locations: Class I, Div 2, Groups A, B, C, D. The manufacturer part number is FS-926.

Where to buy the GEMS SENSORS FS-926 flow switch worldwide?

3G Electric supplies the GEMS SENSORS FS-926 flow switch worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us to order this low-flow piston switch with brass FNPT connections and hazardous location rating.

How to install a GEMS SENSORS piston flow switch?

Install the GEMS SENSORS piston flow switch in a horizontal pipe section with the flow arrow aligned. Use thread sealant on the 1/4 in FNPT connections. Wire the SPDT contacts per the normally open configuration at 20 V DC. Verify the fixed set point matches your required flow rate 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 low-flow 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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