GEMS SENSORS Liquid Flow Switch: Piston, Bronze, 3/4 in FNPT, 3/4 in Connection Size
The GEMS SENSORS Liquid Flow Switch: Piston is an adjustable set point flow switch with a normally open switch position and a 20 V DC contact rating. This bronze unit features a 3/4 in FNPT connection and SPDT…
SKU 3G-OTH-89273
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Product Description
The GEMS SENSORS Liquid Flow Switch: Piston is an adjustable set point flow switch with a normally open switch position and a 20 V DC contact rating. This bronze unit features a 3/4 in FNPT connection and SPDT switching, and is rated for hazardous locations per Class I, Div 2, Groups A, B, C, D (MPN FS-400, 26601).
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, particularly in hazardous locations classified as Class I, Div 2, Groups A, B, C, D. It is suitable for applications requiring an adjustable set point and SPDT switching, such as pump protection and process control.
What are the specifications of the GEMS SENSORS FS-400 flow switch?
The GEMS SENSORS FS-400 (MPN 26601) is a bronze piston flow switch with a 3/4 in FNPT connection and SPDT switching. It has an adjustable set point, normally open switch position, and a 20 V DC contact rating. It is rated for hazardous locations per 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 GEMS SENSORS model.
How to install the GEMS SENSORS FS-400 flow switch?
Install the GEMS SENSORS FS-400 flow switch in a vertical or horizontal pipe section with flow in the direction of the arrow on the body. Ensure the 3/4 in FNPT connections are properly sealed with thread tape. Adjust the set point per the manufacturer's instructions. Always follow hazardous location wiring requirements for Class I, Div 2 environments.
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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.













