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Last Updates: 15/02/2021

Gems FS-400 Series Adjustable Flow Switch

From: $317

  • Flow Settings: 0.75 – 4.0 GPM 
  • Body Material: Bronze
  • Port Size: 3/4″ NPT Female
  • Switch Type: SPDT (20VA)
$317
  • Flow Settings: 2.0 – 8.0 GPM 
  • Body Material: Bronze
  • Port Size: 3/4″ NPT Female
  • Switch Type: SPDT (20VA)
$366
  • Flow Settings: 7.0 – 14.0 GPM 
  • Body Material: Bronze
  • Port Size: 3/4″ NPT Female
  • Switch Type: SPDT (20VA)
$366

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. 

Applications:  

  • 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, sterilizers, evaporators
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