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GEMS SENSORS Flow Indicator: Rotor - Flow Sights with Indicator
GEMS SENSORSFlow Sights with Indicator

GEMS SENSORS Flow Indicator: Rotor

The GEMS SENSORS Flow Indicator: Rotor is a flow sight with indicator designed for horizontal left flow direction. It features a polysulfone sight material, a brass wetted material, and a Viton seal, with a 1/2 in…

SKU 3G-OTH-92107

Also listed as: RFI142542 · RFI 142542 · RFI-142542

Brand
GEMS SENSORS
Item
Flow Indicator: Rotor
Category
Flow Sights with Indicator
Available to Order
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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
RFI, 142542
Type
Brass, FNPT, Polysulfone
FNPT
1/2 in
Seal Material
Viton
Flow Direction
Horizontal Left
Sight Material
Polysulfone
Connection Size
1/2 in
Connection Type
FNPT
Wetted Material
Brass

Technical Documents

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

Product Description

The GEMS SENSORS Flow Indicator: Rotor is a flow sight with indicator designed for horizontal left flow direction. It features a polysulfone sight material, a brass wetted material, and a Viton seal, with a 1/2 in FNPT connection type.

Frequently Asked Questions

What is the GEMS SENSORS Flow Indicator: Rotor used for?

The GEMS SENSORS Flow Indicator: Rotor is used to visually confirm fluid flow in horizontal piping systems. It is commonly applied in industrial water, chemical, and oil circuits where a brass wetted body and Viton seal provide corrosion resistance. The polysulfone sight window allows clear rotor movement observation.

What are the specifications of the GEMS SENSORS Flow Indicator: Rotor?

This flow indicator has a 1/2 in FNPT connection, a brass wetted material, a polysulfone sight material, and a Viton seal. It is designed for horizontal left flow direction. The manufacturer part number is RFI, 142542. It is a rotor-type flow sight for visual flow indication.

Where to buy the GEMS SENSORS Flow Indicator: Rotor worldwide?

3G Electric supplies the GEMS SENSORS Flow Indicator: Rotor worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time. We source and deliver this part to any country.

How to install the GEMS SENSORS Flow Indicator: Rotor?

Install the flow indicator in a horizontal pipe section with flow moving left to right. Apply thread sealant to the 1/2 in FNPT connections and tighten to manufacturer torque specs. Ensure the polysulfone sight is not subjected to excessive thermal or mechanical shock. Verify the Viton seal is compatible with the process fluid.

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

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Compatible alternatives & equivalents

Cross-referenced by specification & description
GEMS SENSORS Flow Indicator: Rotor, Brass, 1/2 in FNPT, 1/2 in Connection Size, FNPT, Polysulfone (MPN RFO, 156262)
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GEMS SENSORS Flow Indicator: Rotor, Brass, 1/2 in FNPT, 1/2 in Connection Size, FNPT, Polysulfone (MPN RFO, 156262)
Brass-bodied flow sight with remote output for visual and electronic indication of fluid flow. Features a polysulfone sight window, Viton seals, and ceramic wetted parts. 1/4 in FNPT connection with horizontal right flow direction. Suitable for monitoring flow in industrial piping systems such as cooling circuits and lubrication lines
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Brass-bodied flow sight with remote output for visual and electronic indication of fluid flow. Features a polysulfone sight window, Viton seals, and ceramic wetted parts. 1/4 in FNPT connection with horizontal right flow direction. Suitable for monitoring flow in industrial piping systems such as cooling circuits and lubrication lines
Flow sight with polysulfone sight material and Buna-N seal. Features 1/2 in FNPT connection, horizontal left flow direction, and ceramic wetted material. Provides visual confirmation of liquid flow in industrial piping systems
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Flow sight with polysulfone sight material and Buna-N seal. Features 1/2 in FNPT connection, horizontal left flow direction, and ceramic wetted material. Provides visual confirmation of liquid flow in industrial piping systems
Flow sight with polysulfone sight window and 316 stainless steel body. Features 9/16 in NPT connections, Viton seal and wetted materials, and is designed for horizontal left flow direction. Provides visual confirmation of fluid flow in industrial piping systems
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Flow sight with polysulfone sight window and 316 stainless steel body. Features 9/16 in NPT connections, Viton seal and wetted materials, and is designed for horizontal left flow direction. Provides visual confirmation of fluid flow in industrial piping systems
GEMS SENSORS Flow Indicator: Rotor, Polypropylene, 1/4 in FNPT, 1/4 in Connection Size, FNPT, Buna-N (MPN RFO, 155421)
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GEMS SENSORS Flow Indicator: Rotor, Polypropylene, 1/4 in FNPT, 1/4 in Connection Size, FNPT, Buna-N (MPN RFO, 155421)
GEMS SENSORS Flow Indicator: Rotor, 316 Stainless Steel, 1 in FNPT, 1 in Connection Size, FNPT (MPN RFO, 194762)
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GEMS SENSORS Flow Indicator: Rotor, 316 Stainless Steel, 1 in FNPT, 1 in Connection Size, FNPT (MPN RFO, 194762)

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This flow sight with indicator provides visual confirmation of fluid flow in piping systems. It features a polysulfone sight material, a 3/4 in FNPT brass connection, and a Viton seal. Designed for horizontal left flow direction, the wetted parts include ceramic. Suitable for monitoring flow in industrial process lines
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This flow sight with indicator provides visual confirmation of fluid flow in piping systems. It features a polysulfone sight material, a 3/4 in FNPT brass connection, and a Viton seal. Designed for horizontal left flow direction, the wetted parts include ceramic. Suitable for monitoring flow in industrial process lines
GEMS SENSORS Flow Indicator: Rotor, Polypropylene, 1/2 in FNPT, 1/2 in Connection Size, FNPT, Buna-N (MPN RFI, 155480)
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GEMS SENSORS Flow Indicator: Rotor, Brass, 1/4 in FNPT, 1/4 in Connection Size, FNPT, Polysulfone (MPN RFI, 142541)
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GEMS SENSORS Flow Indicator: Rotor, Brass, 1 in FNPT, 1 in Connection Size, FNPT, Polysulfone, Viton (MPN RFI, 181681)
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GEMS SENSORS Flow Indicator: Rotor, Brass, 1 in FNPT, 1 in Connection Size, FNPT, Polysulfone, Viton (MPN RFI, 181681)