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Savant Labs
A World of Lubrication Understanding®

Turbine Lubricant Testing

The importance of oxidation-resistant turbine oils in the various applications in which turbines are used are difficult to understate. Turbines in themselves are very costly energy-converting mechanisms which, among other applications, provide much of the electricity for the power grids of modern society. Most critical to these turbines are the lubricants that are essential to their operation in long, dependable service. Equally critical, then, are the tests that determine the acceptability of these turbine oils and the understanding of the oxidation mechanisms that cause these oils to form deposits and otherwise lose their ability to properly lubricate the turbine. Savant Labs offer test methods for turbine lubricants including viscosity, oxidation resistance, and wear testing.

ASTM International Method

ASTM D445   Kinematic Viscosity
ASTM D664   Acid Number
ASTM D893   Insolubles, Pentane
ASTM D943   Oxidation Characteristics (2.0 TAN or 1000 Hrs)
ASTM D943   Oxidation Characteristics (2.0 TAN or 2000 Hrs)
ASTM D943   Oxidation Characteristics (2.0 TAN or 3000 Hrs)
ASTM D974   Acid Number
ASTM D1401 Emulsion Characteristics, Water Separability
ASTM D2272 Rotating Pressure Vessel Oxidation Test (RPVOT)
ASTM D2622 Sulfur by XRF - Wavelength Dispersive 
ASTM D2709 Water and Sediment
ASTM D2783 Four Ball Extreme Pressure
ASTM D2983 Brookfield Viscosity, +20°C to -60°C
ASTM D5185 Elemental Analysis by ICP
ASTM D6304 Water by Karl Fischer
ASTM D7412 FTIR Analysis, In-Service Fluid, Phosphate
ASTM D7414 FTIR Analysis, In-Service Fluid, Oxidation
ASTM D7624 FTIR Analysis, In-Service Fluid, Nitration
ASTM D7844 FTIR Analysis, In-Service Fluid, Soot
ISO 4406 Particle Count


General Electric GEK32568H Turbine Oils Specification

ASTM D4304 Specification for Mineral and Synthetic Lubricating Oil Used in Steam or Gas Turbines

ASTM D7155 Practice for Evaluating Compatibility of Mixtures of Turbine Lubricating Oils