Synthetic 24000 Hour Centrifugal Compressor Fluid


6421 is specifically designed for today’s bull-gear type centrifugal compressors. It is a full-synthetic glycol replacement for polyalkylene glycol (PAG) OEM centrifugal compressor lubricants. 6421 provides outstanding thermal and oxidative stability and is compatible with existing OEM lubricants.

  • Oxidatively and thermally stable
  • Non-toxic/non-hazardous
  • Protects against wear, rust and corrosion
  • Compatible with virtually all seal materials
  • Top-off compatible with virtually all OEM PAG centrifugal compressor oils — no flushing required
Lubricant Properties
Synthetic 24000 Hour Centrifugal Compressor Fluid6421
Viscosity cSt @ 40°C223448
Viscosity cSt @ 100°C4.76.27.7
Flash Point °F (°C)400 (204)453 (234)469 (243)
Pour Point °F (°C)-50 (-46)-48 (-44)-39 (-39)
Copper Corrosion, 24 Hr1a1a1a
Demulsibility, 130°F, 30 Min40/40/040/40/040/40/0
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