Donaldson Company

Spiracle Crankcase Filtration System

Spiracle CFS systems reduce blow-by emissions generated from an open crankcase vent and prevent fouling of turbochargers or intercoolers in CCV systems.

  • Also reduce in-cab fumes and draft tube “road drips”
  • Keep the engine enclosures free from oil film and reduce engine oil consumption
  • Custom-designed pressure regulator in CCV systems reduces excess vacuum and custom-designed pressure relief value prevents excessive crankcase pressure build-up

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