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  • Standard fluid for FS-Curtis products
    • For rotary units 50HP/37kW and below
  • Three sizes available
    • 4 gallon case
    • 5 gallon pail
    • 55 gallon drum
  • Viscosity 46
  • Performs as a full synthetic PAO fluid


The FS-Curtis FS Series of compressor fluid is designed as the standard rotary screw fluid for FS-Curtis compressors that operate at 50HP/37kW and below. All FS-Curtis rotary screw units are shipped fully charged with FSC-Max Fluid FS. The FS is formulated to perform as a full synthetic PAO fluid. This compressor oil should not be used in equipment compressing pure oxygen or other chemically active gases such as chlorine or hydrogen chloride.