GEMS SENSORS Liquid Flow Switch: Piston, PPS, 9/16 in UNF, 9/16 in Connection Size, UNF
The GEMS SENSORS FS-4 122353 is a general purpose piston flow switch with a fixed set point and normally closed switch position. It features a PPS body with 9/16 in UNF connections and an SPDT contact rated at 20 V…
SKU 3G-OTH-89311
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Product Description
The GEMS SENSORS FS-4 122353 is a general purpose piston flow switch with a fixed set point and normally closed switch position. It features a PPS body with 9/16 in UNF connections and an SPDT contact rated at 20 V DC. This product is designed for reliable flow detection in industrial equipment applications.
Frequently Asked Questions
What is the GEMS SENSORS FS-4 122353 liquid flow switch used for?
The GEMS SENSORS FS-4 122353 is a general purpose piston flow switch used for reliable flow detection in industrial equipment. It monitors liquid flow and triggers a normally closed SPDT switch at a fixed set point, making it suitable for process control, cooling systems, and lubrication circuits.
What are the specifications of the GEMS SENSORS FS-4 122353 flow switch?
The GEMS SENSORS FS-4 122353 has a PPS body with 9/16 in UNF connections, a fixed set point, and a normally closed switch position. It features an SPDT contact rated at 20 V DC. The manufacturer part numbers are FS-4 and 122353.
Where to buy the GEMS SENSORS FS-4 122353 flow switch worldwide?
3G Electric supplies the GEMS SENSORS FS-4 122353 flow switch worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this fixed-set-point piston flow switch.
How to install a GEMS SENSORS FS-4 piston flow switch?
Install the GEMS SENSORS FS-4 flow switch in a vertical or horizontal pipe section with flow direction matching the arrow on the body. Ensure the 9/16 in UNF connections are properly sealed. Wire the SPDT normally closed contacts to your control circuit, and verify the fixed set point meets your application requirements.
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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.















