GEMS SENSORS FS-4 General Purpose Piston Flow Switch
The GEMS SENSORS Liquid Flow Switch: Piston is a general purpose piston flow switch with a fixed set point and a normally closed switch position. It features a 20 V DC contact rating, a PPS body, and 9/16 in UNF…
SKU 3G-OTH-89217
Also listed as: FS4122356 · FS 4 122356 · FS-4-122356
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
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- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
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Product Description
The GEMS SENSORS Liquid Flow Switch: Piston is a general purpose piston flow switch with a fixed set point and a normally closed switch position. It features a 20 V DC contact rating, a PPS body, and 9/16 in UNF connections, with SPDT switching. The manufacturer part number is FS-4, 122356.
Frequently Asked Questions
What is the GEMS SENSORS FS-4 liquid flow switch used for?
The GEMS SENSORS FS-4 liquid flow switch is used to detect flow or no-flow conditions in industrial piping systems. It is commonly applied in water treatment, HVAC, and process control to protect pumps and equipment from dry running or insufficient flow.
What are the specifications of the GEMS SENSORS FS-4 flow switch?
The GEMS SENSORS FS-4 is a general purpose piston flow switch with a fixed set point and normally closed switch position. It has a PPS body, 9/16 in UNF connections, SPDT switching, and a 20 V DC contact rating. The manufacturer part number is FS-4, 122356.
Where to buy the GEMS SENSORS FS-4 flow switch worldwide?
You can source the GEMS SENSORS FS-4 flow switch through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring the product reaches your facility reliably.
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 to flow direction. Use PTFE tape on the 9/16 in UNF threads to prevent leaks. Wire the SPDT contacts according to your control circuit, ensuring the 20 V DC rating is not exceeded.
Used in
Common applications for GEMS SENSORSGEMS SENSORS Products
3G Electric supplies GEMS SENSORS general purpose piston flow switches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.