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GEMS SENSORS RFS Flow Sight with Remote Output - Flow Sights with Remote Output
GEMS SENSORSFlow Sights with Remote Output

GEMS SENSORS RFS Flow Sight with Remote Output

The GEMS SENSORS Liquid Flow Switch is a polypropylene flow sight with remote output, featuring a 1/4 in FNPT connection and SPDT switch type. It is UL Listed, with a normally closed switch position and Buna-N wetted…

SKU 3G-OTH-90742

Also listed as: RFS155425 · RFS 155425 · RFS-155425

Brand
GEMS SENSORS
Item
RFS Flow Sight with Remote Output
Part Number
RFS, 155425
Category
Flow Sights with Remote Output
Available to Order
Also known as:RFS, 155425GEMS SENSORS
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Technical specs
1-Day Quote
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Compliance & shipping

Hazardous material
Not classified as hazardous
California Prop 65 warning
No warning recorded
Licence required
No licence required
Safety Data Sheet
Not available
Special shipping
Ships under standard freight

Technical Specifications

GEMS SENSORS
Manufacturer Part Number
RFS, 155425
Type
FNPT, SPDT
Standards
UL Listed
Switch Type
SPDT
Connection Size
1/4 in
Switch Position
Normally Closed
Wetted Material
Buna-N

Technical Documents

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GEMS SENSORS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The GEMS SENSORS Liquid Flow Switch is a polypropylene flow sight with remote output, featuring a 1/4 in FNPT connection and SPDT switch type. It is UL Listed, with a normally closed switch position and Buna-N wetted material. This product is identified by manufacturer part number RFS, 155425.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the GEMS SENSORS RFS liquid flow switch used for?

The GEMS SENSORS RFS liquid flow switch is used to detect flow or no-flow conditions in industrial piping systems. It provides a remote electrical output via its SPDT switch, making it suitable for process control, pump protection, and monitoring applications in water treatment, chemical processing, and HVAC systems.

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

The GEMS SENSORS RFS flow switch features a polypropylene body, 1/4 in FNPT connection, SPDT switch type, and normally closed switch position. It is UL Listed, with Buna-N wetted materials. The manufacturer part number is RFS, 155425. This switch is designed for liquid flow monitoring in industrial environments.

Where to buy the GEMS SENSORS RFS flow switch worldwide?

You can source the GEMS SENSORS RFS 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. 3G Electric supplies genuine GEMS SENSORS components for industrial applications.

How to install the GEMS SENSORS RFS liquid flow switch?

Install the GEMS SENSORS RFS flow switch in a horizontal pipe section with the flow arrow aligned to flow direction. Use PTFE tape on the 1/4 in FNPT threads to ensure a leak-free seal. Wire the SPDT switch according to your control circuit, ensuring the normally closed position matches your fail-safe requirements. Consult the manufacturer's manual for torque specifications.

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 flow sights with remote output. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Flow sight with remote output for detecting liquid flow in piping systems. Features a 1 in FNPT connection, SPDT switch (normally open), ceramic wetted material, and CE certification. Operating temperature range -20°F to 212°F. Suitable for industrial applications such as HVAC, water treatment, and process control to monitor flow conditions
GEMS SENSORS
Flow sight with remote output for detecting liquid flow in piping systems. Features a 1 in FNPT connection, SPDT switch (normally open), ceramic wetted material, and CE certification. Operating temperature range -20°F to 212°F. Suitable for industrial applications such as HVAC, water treatment, and process control to monitor flow conditions
This flow sight with remote output allows visual verification and remote monitoring of liquid flow in industrial piping systems. It features a polysulfone sight window, polypropylene wetted parts, and a Buna-N seal. The 1/4 in FNPT connection is designed for horizontal right flow direction. Typical applications include water treatment and chemical processing where flow indication and remote output are required
GEMS SENSORS
This flow sight with remote output allows visual verification and remote monitoring of liquid flow in industrial piping systems. It features a polysulfone sight window, polypropylene wetted parts, and a Buna-N seal. The 1/4 in FNPT connection is designed for horizontal right flow direction. Typical applications include water treatment and chemical processing where flow indication and remote output are required

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