Coltri Open

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  • Voltage
  • Fill Style
  • Power Consumption
  • Charging Rate

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Great performance, even when charging.

Open is designed to meet the professional needs that require large charging capacities in hot, poorly ventilated, or tropical countries. It is equipped with 4 front filling connections for high-pressure hoses, an intuitive control panel, and an electric motor. The pumping unit, chosen from the 4 most powerful options, is exposed in the rear part of the structure to ensure a better cooling cycle. For extended filter life, the Tornado high-pressure dryer is recommended. Optional features include the Presec system for filter saturation control or the SAM system for multigas analysis and a remote charging panel.

4-stage high pressure pumping unit.

  • Monobloc in aluminum,
  • Crankshaft in forged steel
  • forced lubrication on the 4th stage cylinder by gear pump
  • Oil filtration
  • Aluminum connecting rods
  • Main roller bearings
  • Roller connecting rod bearings
  • 1st, 2nd and 3rd stage cylinders in special cast iron
  • 4th stage cylinder in special treated steel.
  • Stainless steel intake and exhaust valves
  • Interstage cooling pipes in stainless steel
  • Separator after the 2nd, 3rd and 4th stage
  • Safety valves after each stage
  • Oil level sensor
  • Prepared for Hyperfilter filter system

Purification at the highest level.

Placed after the last compressor separator and before the pressure holding valve, the Hyperfilter purification system enables reliable treatment of breathing air according to DIN EN 12021¹ when using original filter cartridges. The separator present between the 2nd and 3rd stages of the purification circuit allows for the extraction of the greatest possible humidity. The filtering capacity with inlet air at 68°F and 2900 psi is 151,916 cubic feet.

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