Gems Sensor & Control FS-10798 Series Flow Switch

Last Updated: 26/02/2019

Gems Sensor & Control 61205

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Part Number: 61205 Categories: ,

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Model FS-10798
Primary Material of Construction Alloy
Sensor Type Piston Type
Adjustable Range 0.50 – 20
Flow Setting (GPM) 0.50 – 20
Body Material Brass
Port Size 1/2″ NPT Female
Switch Type SPDT (20VA)
Set Point Accuracy ±10%
Maximum Pressure (PSI) Over 500
Minimum Temperature (°F) -20
Maximum Temperature 300
Electrical Termination 18 AWG, 24″-26″ long Polymeric Leads
Set Point Differential 15%
Wetted Materials Brass, 316 Stainless Steel, Viton, Epoxy
Approvals UL Recognized, UL Explosion Proof, CSA Listed, CE
Recommended Filtration 50 micron


These externally adjustable switches are ideal for protecting machine tools from coolant flow failure, for protecting bearings from loss of lubricant or to assure proper air flow. They offer an infinite number of flow settings at pressures up to 1000 psig (69 bar), with low pressure drop and precise repeatability. 

The adjusting vane is easily field adjustable using an ordinary flat-bladed screwdriver. The adjustment is set-screw-locked for tamper-free operation after field calibration.