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GEMS SENSORS FS-400 Adjustable Set Point Flow Switch - Adjustable Set Point Flow Switches
GEMS SENSORSAdjustable Set Point Flow Switches

GEMS SENSORS FS-400 Adjustable Set Point Flow Switch

The GEMS SENSORS Liquid Flow Switch: Piston is an adjustable set point flow switch with a bronze body and 3/4 in FNPT connections. It features a normally closed SPDT switch with a 20 V DC contact rating and is rated…

SKU 3G-OTH-89352

Also listed as: FS40026602 · FS 400 26602 · FS-400-26602

Brand
GEMS SENSORS
Item
FS-400 Adjustable Set Point Flow Switch
Part Number
FS-400, 26602
Category
Adjustable Set Point Flow Switches
Available to Order
Also known as:FS-400, 26602GEMS 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-400, 26602
Type
Bronze, FNPT, SPDT
FNPT
3/4 in
Set Point Type
Adjustable
Connection Size
3/4 in
Switch Position
Normally Closed
Contact Rating (DC)
20 V
Hazardous Location Specification
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: Piston is an adjustable set point flow switch with a bronze body and 3/4 in FNPT connections. It features a normally closed SPDT switch with a 20 V DC contact rating and is rated for hazardous locations Class I, Div 2, Groups A, B, C, D (MPN FS-400, 26602).

Frequently Asked Questions

What is the GEMS SENSORS FS-400 liquid flow switch used for?

The GEMS SENSORS FS-400 liquid flow switch is used to detect and control liquid flow in industrial piping systems. It is suitable for hazardous locations classified as Class I, Div 2, Groups A, B, C, D, making it ideal for oil and gas, chemical, and processing plants where safety-rated equipment is required.

What are the specifications of the GEMS SENSORS FS-400 flow switch?

The GEMS SENSORS FS-400 (MPN 26602) is a piston-type liquid flow switch with a bronze body and 3/4 in FNPT connections. It features an adjustable set point, a normally closed SPDT switch, and a 20 V DC contact rating. It is rated for hazardous locations Class I, Div 2, Groups A, B, C, D.

Where to buy the GEMS SENSORS FS-400 flow switch worldwide?

You can source the GEMS SENSORS FS-400 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 on this adjustable set point flow switch.

How to install the GEMS SENSORS FS-400 flow switch?

Install the GEMS SENSORS FS-400 flow switch in a horizontal pipe section with the arrow on the body aligned with flow direction. Use thread sealant on the 3/4 in FNPT connections and ensure electrical wiring matches the normally closed SPDT configuration. Always follow hazardous location wiring practices for Class I, Div 2 environments.

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 adjustable set point 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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