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In This Issue
| - Inhibit Microbial Growth in Lubricants
- Converting to Fire-Resistant Fluids
- Oil Level for Rolling-Element Bearings
- How Film Strength Varies in Turbine Oils
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| Inhibit Microbial Growth in Lubricants |
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Temperatures below 20 degrees C (68 degrees F) and above 40 degrees C (104 degrees F) will slow down microbial growth in lubricants. Rapid growth can occur between these temperatures when water is present.
Join us in San Antonio, Texas, on August 27-29 for
Machinery Lubrication training.
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| The unique characteristics of fire-resistant fluids make it necessary to carefully consider the modifications required before converting to a fire-resistant fluid or when converting from one type of fire-resistant fluid to another. The most important step is to become aware of all of the potential problems that can occur and then investigate all of the available options before rushing into a decision that could prove to be very costly. |
FULL STORY
Question: In oil bath lubricated rolling-element bearings, what is the generally recommended oil level?
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| Thick, surface-separating films cannot be maintained at all times in the lubricated elements of turbines and associated equipment. The oil in turbine lubrication systems is circulated over and over again for long periods. Its temperature is raised by heat conducted along the shaft from the steam and by heat generated in bearings, gears, pumps, etc. The oil is in contact with warm air, and some air is actually dissolved in the oil. In a few areas, air bubbles may also be entrained. |
FULL STORY
Poll Question: Have you observed any changes in oil quality when bringing equipment back into service or during start-up?
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