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GEMS SENSORS FS-550 Insertion-Style Hazardous-Location Liquid Flow Switch - Insertion-Style Hazardous-Location Switches for Liquids
GEMS SENSORSInsertion-Style Hazardous-Location Switches for Liquids

GEMS SENSORS FS-550 Insertion-Style Hazardous-Location Liquid Flow Switch

The GEMS SENSORS Liquid Flow Switch: Paddle is an insertion-style hazardous-location switch for liquids, designed for 1-1/2 in pipe size. It features a brass body with a 1 in NPT connection and SPDT contacts rated at…

SKU 3G-OTH-88388

Also listed as: FS55029609 · FS 550 29609 · FS-550-29609

Brand
GEMS SENSORS
Item
FS-550 Insertion-Style Hazardous-Location Liquid Flow Switch
Part Number
FS-550, 29609
Category
Insertion-Style Hazardous-Location Switches for Liquids
Available to Order
Also known as:FS-550, 29609GEMS SENSORS
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

GEMS SENSORS
Manufacturer Part Number
FS-550, 29609
Type
Brass, NPT, SPDT, 20 V
NPT
1 in
For Pipe Size
1-1/2 in
Contact Rating (DC)
20 V
Hazardous Location Rating
Class I, Div 2, Group A, B, C, D

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

Product Description

The GEMS SENSORS Liquid Flow Switch: Paddle is an insertion-style hazardous-location switch for liquids, designed for 1-1/2 in pipe size. It features a brass body with a 1 in NPT connection and SPDT contacts rated at 20 V DC. This switch carries a Class I, Div 2, Group A, B, C, D hazardous location rating (MPN FS-550, 29609).

Frequently Asked Questions

What is the GEMS SENSORS FS-550 liquid flow switch used for?

The GEMS SENSORS FS-550 paddle flow switch detects liquid flow or no-flow in pipes. It is used in industrial processes requiring hazardous-location safety, such as oil and gas, chemical plants, and refineries, where Class I, Div 2, Group A, B, C, D environments exist.

What are the specifications of the GEMS SENSORS 29609 flow switch?

The GEMS SENSORS 29609 (FS-550) is a brass paddle flow switch for 1-1/2 in pipe size. It has a 1 in NPT connection, SPDT contacts rated at 20 V DC, and a hazardous location rating of Class I, Div 2, Group A, B, C, D.

Where to buy a GEMS SENSORS FS-550 flow switch worldwide?

3G Electric supplies the GEMS SENSORS FS-550 flow switch worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this brass paddle switch.

How to install a GEMS SENSORS paddle flow switch?

Install the GEMS SENSORS paddle flow switch by inserting it into a 1 in NPT port on a 1-1/2 in pipe. Ensure the paddle is correctly oriented for flow direction. Follow standard wiring practices for SPDT contacts at 20 V DC. Verify hazardous-location compliance before use.

Used in

Common applications for GEMS SENSORS
Cooling water systems — Gems Sensors flow sights with remote output (e.g., 1AMB2) monitor flow to critical equipment and signal alarms.
Lubrication lines — Gems Sensors flow indicators (e.g., 1AMD3) provide visual confirmation of oil flow to bearings and gears.
Process water monitoring — Gems Sensors flow sights (e.g., 1AMB9) verify flow in water treatment and chemical dosing systems.
HVAC systems — Gems Sensors flow switches (e.g., 1AMB5) detect flow in chilled water and condenser loops for pump control.
Food and beverage — Gems Sensors flow sights with stainless steel bodies (e.g., 1AMD4) are used in clean-in-place (CIP) systems for flow verification.
Power generation — Gems Sensors flow sights (e.g., 1AMB6) monitor cooling water and lube oil flow in turbines and generators.
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GEMS SENSORS Products

3G Electric supplies GEMS SENSORS insertion-style hazardous-location switches for liquids. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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