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Hydraulic and circulating extended service analysis

Hydraulic application

Suitability for continued use Varnish prediction Maximum service
Demulsibility
Foam Test Sequence 1
Membrance Patch Colorimetry (MPC)
Metals
Nitration
Oxidation
Particle Count
Particle Quantifier (PQ) Index
Rotation Pressure Vessel Oxidation Test (RPVOT)
RULER - Amine
RULER - Phenolic
Total Acid Number (TAN)
Ultracentrifuge
Viscosity at 40°C and 100°C
Viscosity Index
Water Vol % Karl Fischer (KF)

Circulating application

Suitability for continued use Varnish prediction Maximum service
Demulsibility
Foam Test Sequence 1
Membrance Patch Colorimetry (MPC)
Metals
Nitration
Oxidation
Particle Count
Particle Quantifier (PQ) Index
Rotation Pressure Vessel Oxidation Test (RPVOT)
RULER - Amine
RULER - Phenolic
Total Acid Number (TAN)
Ultracentrifuge
Viscosity at 40°C and 100°C
Viscosity Index
Water Vol % Karl Fischer (KF)

Key

  • Included test
  • TAN in lieu of oxidation for select synthetic products
  • Not an included test

Analysis may vary by laboratory, product supplied or oil condition.

Sample frequency

Sample at OEM recommended frequency or, for general guidance, begin with: Quarterly.

Adjust frequency based on asset’s economic impact, operating environment, machine age, oil age or sample results trend.

Service profile