We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

GEMS SENSORS Liquid Flow Switch: Piston, Brass, 1/4 in FNPT, 1/4 in Connection Size - Compact Piston Flow Switches
GEMS SENSORSCompact Piston Flow Switches

GEMS SENSORS Liquid Flow Switch: Piston, Brass, 1/4 in FNPT, 1/4 in Connection Size

The GEMS SENSORS FS-927 (SKU 3G-OTH-89815) is a compact piston flow switch with a fixed set point and normally open SPST switch. It features a brass body with 1/4 in FNPT connections and a DC contact rating of 20 V.

SKU 3G-OTH-89815

Also listed as: FS92770825 · FS 927 70825 · FS-927-70825

Brand
GEMS SENSORS
Item
Liquid Flow Switch: Piston, Brass, 1/4 in FNPT, 1/4 in Connection Size
Category
Compact Piston Flow Switches
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

GEMS SENSORS
Manufacturer Part Number
FS-927, 70825
Type
Brass, FNPT, SPST
FNPT
1/4 in
Set Point Type
Fixed
Connection Size
1/4 in
Switch Position
Normally Open
Contact Rating (DC)
20 V

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The GEMS SENSORS FS-927 (SKU 3G-OTH-89815) is a compact piston flow switch with a fixed set point and normally open SPST switch. It features a brass body with 1/4 in FNPT connections and a DC contact rating of 20 V.

Frequently Asked Questions

What is the GEMS SENSORS FS-927 liquid flow switch used for?

The GEMS SENSORS FS-927 is a compact piston flow switch used to detect liquid flow in industrial piping systems. It is commonly applied in water treatment, HVAC, and process control to trigger an alarm or shut down equipment when flow stops or drops below a fixed set point.

What are the specifications of the GEMS SENSORS FS-927 flow switch?

The FS-927 has a brass body with 1/4 in FNPT connections, a fixed set point, and a normally open SPST switch. Its DC contact rating is 20 V. The manufacturer part numbers are FS-927 and 70825. It is a compact piston-type flow switch from GEMS SENSORS.

Where to buy the GEMS SENSORS FS-927 flow switch worldwide?

3G Electric supplies the GEMS SENSORS FS-927 flow switch worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this GEMS SENSORS model to any country.

How to install a GEMS SENSORS piston flow switch?

Install the FS-927 in a horizontal pipe with the flow arrow aligned to flow direction. Use thread sealant on the 1/4 in FNPT connections and ensure the switch is oriented per GEMS SENSORS guidelines. Wire the normally open SPST contacts to your control circuit rated for 20 V DC. Test flow activation after installation.

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

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
GEMS SENSORS Liquid Flow Switch: Piston, Brass, 1/4 in FNPT, 1/4 in Connection Size, FNPT, SPST (MPN FS-927, 70826)
GEMS SENSORS
GEMS SENSORS Liquid Flow Switch: Piston, Brass, 1/4 in FNPT, 1/4 in Connection Size, FNPT, SPST (MPN FS-927, 70826)
GEMS SENSORS Liquid Flow Switch: Piston, Brass, 1/4 in FNPT, 1/4 in Connection Size, FNPT, SPST (MPN FS-927, 70822)
GEMS SENSORS
GEMS SENSORS Liquid Flow Switch: Piston, Brass, 1/4 in FNPT, 1/4 in Connection Size, FNPT, SPST (MPN FS-927, 70822)
GEMS SENSORS Liquid Flow Switch: Piston, Brass, 1/4 in FNPT, 1/4 in Connection Size, FNPT, SPDT (MPN FS-926, 26941)
GEMS SENSORS
GEMS SENSORS Liquid Flow Switch: Piston, Brass, 1/4 in FNPT, 1/4 in Connection Size, FNPT, SPDT (MPN FS-926, 26941)
GEMS SENSORS Liquid Flow Switch: Piston, Brass, 3/8 in NPT, 3/8 in Connection Size, NPT, SPST, Fixed (MPN FS-380, 181130)
GEMS SENSORS
GEMS SENSORS Liquid Flow Switch: Piston, Brass, 3/8 in NPT, 3/8 in Connection Size, NPT, SPST, Fixed (MPN FS-380, 181130)

More from GEMS SENSORS

View all GEMS SENSORS parts
GEMS SENSORS Liquid Flow Switch: Piston, Brass, 1/4 in FNPT, 1/4 in Connection Size, FNPT, SPST (MPN FS-927, 70829)
GEMS SENSORS
GEMS SENSORS Liquid Flow Switch: Piston, Brass, 1/4 in FNPT, 1/4 in Connection Size, FNPT, SPST (MPN FS-927, 70829)
GEMS SENSORS Liquid Flow Switch: Piston, Brass, 1/4 in FNPT, 1/4 in Connection Size, FNPT, SPST (MPN FS-927, 70820)
GEMS SENSORS
GEMS SENSORS Liquid Flow Switch: Piston, Brass, 1/4 in FNPT, 1/4 in Connection Size, FNPT, SPST (MPN FS-927, 70820)
GEMS SENSORS Liquid Flow Switch: Piston, Brass, 1/4 in FNPT, 1/4 in Connection Size, FNPT, SPST (MPN FS-927, 70831)
GEMS SENSORS
GEMS SENSORS Liquid Flow Switch: Piston, Brass, 1/4 in FNPT, 1/4 in Connection Size, FNPT, SPST (MPN FS-927, 70831)
GEMS SENSORS Liquid Flow Switch: Piston, Brass, 1/4 in FNPT, 1/4 in Connection Size, FNPT, SPST (MPN FS-927, 70823)
GEMS SENSORS
GEMS SENSORS Liquid Flow Switch: Piston, Brass, 1/4 in FNPT, 1/4 in Connection Size, FNPT, SPST (MPN FS-927, 70823)
GEMS SENSORS Liquid Flow Switch: Piston, Brass, 1/4 in FNPT, 1/4 in Connection Size, FNPT, SPST (MPN FS-927, 70827)
GEMS SENSORS
GEMS SENSORS Liquid Flow Switch: Piston, Brass, 1/4 in FNPT, 1/4 in Connection Size, FNPT, SPST (MPN FS-927, 70827)
GEMS SENSORS Liquid Flow Switch: Piston, Brass, 1/4 in FNPT, 1/4 in Connection Size, FNPT, SPST (MPN FS-927, 70821)
GEMS SENSORS
GEMS SENSORS Liquid Flow Switch: Piston, Brass, 1/4 in FNPT, 1/4 in Connection Size, FNPT, SPST (MPN FS-927, 70821)
GEMS SENSORS Liquid Flow Switch: Piston, Brass, 1/4 in FNPT, 1/4 in Connection Size, FNPT, SPST (MPN FS-927, 70828)
GEMS SENSORS
GEMS SENSORS Liquid Flow Switch: Piston, Brass, 1/4 in FNPT, 1/4 in Connection Size, FNPT, SPST (MPN FS-927, 70828)
GEMS SENSORS Liquid Flow Switch: Piston, Brass, 1/4 in FNPT, 1/4 in Connection Size, FNPT, SPST (MPN FS-927, 70830)
GEMS SENSORS
GEMS SENSORS Liquid Flow Switch: Piston, Brass, 1/4 in FNPT, 1/4 in Connection Size, FNPT, SPST (MPN FS-927, 70830)