ALCO - Heavy Duty Industrial Pressure Switch
Model: FF4
Pressure Control Range: 0.11 - 250 Bar
End Connection: Screwed End, Bottom
Size: 1/4"

NOTE : For different valve specifications, please click 'INQUIRY ME' button located below.


ALCO FF 4 series of pressostats are suitable for a wide range of industrial and commercial applications. Their functions, as pressure switches, limiters or cut-outs can be utilized for:

  • Monitoring and controlling the pressure of liquid or gaseous media in pipelines, tanks, vats, pressure vessels and apparatus.
  • Duties in process control, cooling, pneumatics and hydraulics.
  • Pressure monitoring of cooling circuits and lubrication systems on various types of machinery.
  • Automatic switching of pump and compressor motors for supplying water to dwellings, booster pumps, fire-fighting equipment and on compressed air systems.


  • Large space for cable mounting
  • Easy to adjust
  • Separate screw for upper and lower switching-poin setting
  • Accurate scale
  • Transparent, UV-resistant cover
  • Protection class: IP54 (IP65 with cable gland)
  • Worldwide approvals
  • High repeatability of set switch-points
  • Cover can be lead-sealed


  • Air compressors
  • Water pumps
  • Booster pumps
  • Fire-fighting equipment
  • Oil supply equipment
  • High-pressure cleaning apparatus




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