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

GEMS SENSORS Adjustable Set Point Flow Switch

The GEMS SENSORS Air Flow Switch: Piston is an adjustable set point flow switch with a brass body and 1/2 in FNPT connection. It features a normally closed SPDT switch with a DC contact rating of 20 V and is suitable…

SKU 3G-OTH-89478

Also listed as: FS1079825365 · FS 10798 25365 · FS-10798-25365

Brand
GEMS SENSORS
Item
Adjustable Set Point Flow Switch
Part Number
FS-10798, 25365
Category
Adjustable Set Point Flow Switches
Available to Order
Also known as:FS-10798, 25365GEMS SENSORS
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
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Technical Specifications

GEMS SENSORS
Manufacturer Part Number
FS-10798, 25365
Type
Brass, FNPT, SPDT, Adj
FNPT
1/2 in
Set Point Type
Adjustable
Connection Size
1/2 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 Air Flow Switch: Piston is an adjustable set point flow switch with a brass body and 1/2 in FNPT connection. It features a normally closed SPDT switch with a DC contact rating of 20 V and is suitable for hazardous locations rated Class I, Div 2, Groups A, B, C, D. The manufacturer part numbers are FS-10798 and 25365.

Frequently Asked Questions

What is the GEMS SENSORS FS-10798 air flow switch used for?

The GEMS SENSORS FS-10798 air flow switch detects air flow in ducts or pipes to control ventilation, HVAC, or process systems. Its adjustable set point and hazardous location rating (Class I, Div 2, Groups A, B, C, D) make it suitable for industrial environments where flammable gases or vapors may be present.

What are the specifications of the GEMS SENSORS 25365 flow switch?

The GEMS SENSORS 25365 flow switch has a brass body with 1/2 in FNPT connection, a piston mechanism, and an adjustable set point. It features a normally closed SPDT switch with a DC contact rating of 20 V. It is rated for hazardous locations: Class I, Div 2, Groups A, B, C, D.

Where to buy GEMS SENSORS flow switches worldwide?

3G Electric supplies GEMS SENSORS flow switches worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on the FS-10798 or 25365 models.

How to install a GEMS SENSORS piston flow switch?

Install the GEMS SENSORS piston flow switch in a horizontal pipe section with the arrow on the body aligned with flow direction. Use thread sealant on the 1/2 in FNPT connection. Wire the normally closed SPDT switch per your control circuit, ensuring the DC contact rating of 20 V is not exceeded.

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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