FS-400 Series Adjustable Flow Switch

FS-400 Adjustable Series Alloy Shuttle Type Flow Switch
  • Flow Rate Settings: 3 LPM to 53 LPM (0.75 GPM to 14.0 GPM) 
  • Port Size: 3/4" 
  • Primary Construction Material: Bronze 
  • Setting Type: Adjustable

Provides accurate flow detection in water and oil with 1% repeatability. Flow settings on the adjustable version can be easily changed without disassembly. A shuttle by-pass vane inside the housing is controlled externally using an ordinary flat-blade screwdriver. These switches are ruggedly constructed of non-corrosive materials and resist shock and vibration. Suitable for triggering alarms on interlocking shutdown circuitry when flow rate is improper to protect bearings, gears and cooling systems. 


  • Protect Bearings or Gears: oil separators, fuel systems, pumps, compressors, presses 
  • Electronics or Machinery: heat exchangers, semiconductor manufacturing equipment, induction furnaces, radio transmitters 
  • Process Systems: water filtration and reverse osmosis, chlorinators, de-icers, sterilisers, evaporators

Other Alloy Shuttle Type Flow Switches


Other Shuttle Type Flow Switches

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