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The new compact compressor that completes the Heavy Duty line, the highest performing of Coltri high-pressure compressors.

Available with two 4-stage pumping units with the flow rate of 450 l/min and 650 l/min. Equipped with 7.5 kW single-phase (Force Four 400 EM), 7.5 kW 3-phase (Force Four 450 ET) or 11 kW (Force Four 650 ET) electric motor.

Stand-alone filter system with Hyperfilter

The Hyperfilter filter system, with double cartridge, is mounted on a stand-alone and includes:

  • Safety valve (variable according to customer’s request).
  • Pressure maintenance valve.
  • External Hyperfilter and separator kit
  • Stand-alone structure.
  • Automatic condensate drain. Removes water from the intermediate separator and the final separator automatically during operation.

The system can be optionally requested with the new Megafilters.

Compressor control and automatic condensate drainage system

FORCE FOUR is equipped with an electrical panel to control the compressor and has:

  • Motor protection switch.
  • Pressure switch at 230 or 330 bar.
  • Automatic condensate drain of all separators.
  • Pressure gauges for displaying interstage pressure.