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Turbine Varnish Potential

Steam turbine

POLARIS Laboratories® Turbine Testing predicts and trends a turbine oil's service life and provides a detailed analysis of the oil's ability to fight the by-products of oil oxidation. The approach is two-tiered. First, the turbine oil's physical properties and the wear occurring are analyzed by testing viscosity, acid number, wear debris, water content, water separability, foaming tendency and rust. The second tier determines the extent of degradation using RPVOT to measure oxidative stability, the Ruler to determine remaining anti-oxidant levels and Membrane Patch Colorimetry to measure varnish potential.

Benefits

  • Predicts and trends a turbine oil's service life
  • Provides a detailed condition of the oils ability to fight the by-products of oxidation
  • Useful in trending the antioxidant depletion in a fluid

Available Testing

  • Linear Sweep Voltammetry (ruler)
  • Elemental Analysis by ICP
  • Membrane Patch Colorimetry (Varnish Condition)
  • Viscosity @ 40° C
  • Total Acid Number
  • FTIR Oxidation/Nitration
  • Water PPM by Karl Fischer
  • Analytical Ferrography
  • RPVOT
  • Water Separability
  • Rust
  • Foam

Wear Debris

Analytical Ferrography

Particles are identified as metallic or non-metallic. Particles are heat-treated to determine high alloy vs. low alloy. Particle size, shape and color are analyzed through a microscope to determine source. Digital images of micropatch tests are also included.

LSV (Linear Sweep Voltammetry)

A method to predict the remaining useful life based on voltammetric analysis to determine the remaining antioxidants present in a lubricant.

MPC (Membrane Patch Colorimetry)

A test that monitors the accumulation of lubricant generated insoluble particles or oil degradation products which are responsible for the creation of varnish. Varnish is a detrimental deposit that impacts the reliability and performance of equipment.


Image of coolant analysis report

(click to enlarge)

For more information about our turbine analysis testing services, please contact us at 877-808-3750 and select 5 (Report Clarification or Analysis Feedback).


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Training

  • Nashville
    Cooling Systems Maintenance
    March 6, 2012

  • Nashville
    Oil Analysis
    March 7-8, 2012

  • Houston
    Cooling Systems Maintenance
    April 17, 2012

View complete schedule and registration information


Tradeshows & Conferences

  • UMA Motorcoach Expo
    Long Beach, CA
    February 8-12, 2012

  • PepsiCo Summit & Tradeshow
    San Antonio, TX
    February 13-16, 2012

View all tradeshows