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GEMS SENSORS RFS 155485 Liquid Flow Switch with Remote Output - Flow Sights with Remote Output
GEMS SENSORSFlow Sights with Remote Output

GEMS SENSORS RFS 155485 Liquid Flow Switch with Remote Output

The GEMS SENSORS Liquid Flow Switch is a polypropylene flow sight with remote output, featuring a 1/2 in FNPT connection and SPDT switch type. It is UL Listed, with a normally open switch position and ceramic wetted…

SKU 3G-OTH-90799

Also listed as: RFS155485 · RFS 155485 · RFS-155485

Brand
GEMS SENSORS
Item
RFS 155485 Liquid Flow Switch with Remote Output
Part Number
RFS, 155485
Category
Flow Sights with Remote Output
Available to Order
Also known as:RFS, 155485GEMS SENSORS
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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
RFS, 155485
Type
FNPT, SPDT
Standards
UL Listed
Switch Type
SPDT
Connection Size
1/2 in
Switch Position
Normally Open
Wetted Material
Ceramic

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 1/2 in FNPT connection and SPDT switch type. It is UL Listed, with a normally open switch position and ceramic wetted material.

Frequently Asked Questions

What is the GEMS SENSORS liquid flow switch used for?

The GEMS SENSORS liquid flow switch detects flow or no-flow conditions in piping systems. It is used in industrial applications such as pump protection, cooling water monitoring, and process control where a SPDT switch output signals flow status.

What are the specifications of the GEMS SENSORS RFS 155485 flow switch?

This flow switch has a 1/2 in FNPT connection, SPDT switch type, normally open position, and ceramic wetted material. It is UL Listed and made of polypropylene. The manufacturer part number is RFS, 155485.

Where to buy the GEMS SENSORS liquid flow switch worldwide?

3G Electric supplies the GEMS SENSORS liquid flow switch worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this UL Listed SPDT switch.

How to install a GEMS SENSORS liquid flow switch?

Install the flow switch in a vertical or horizontal pipe section with full flow. Ensure the arrow on the body aligns with flow direction. Use PTFE tape on the 1/2 in FNPT threads. Wire the SPDT contacts per your control circuit, and test for proper switching at set flow rate.

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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This flow sight with remote output from GEMS SENSORS is designed for detecting flow or no-flow conditions in industrial piping systems. It features a polypropylene body, 1/4 in FNPT connection, SPDT switch type, and normally closed switch position. The wetted material is Buna-N, and the unit is UL Listed. Typical applications include process control, pump protection, and monitoring in water treatment, chemical processing, and HVAC systems
GEMS SENSORS
This flow sight with remote output from GEMS SENSORS is designed for detecting flow or no-flow conditions in industrial piping systems. It features a polypropylene body, 1/4 in FNPT connection, SPDT switch type, and normally closed switch position. The wetted material is Buna-N, and the unit is UL Listed. Typical applications include process control, pump protection, and monitoring in water treatment, chemical processing, and HVAC systems
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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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
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
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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

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