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Pump Wisdom: Chapter 6: Lubricant application and cooling considerations

Pumps & Operations
Pump Wisdom Chapter 6 Lubricant application and cooling considerations

Pump Wisdom: Chapter 6: Lubricant application and cooling considerations

Explore key facets of centrifugal pump ownership, installation, operation, and troubleshooting

The Second Edition of Pump Wisdom: Essential Centrifugal Pump Knowledge for Operators and Specialists delivers a concise explanation of how pumps function, the design specifications that must be considered before purchasing a pump, and current best practices in lubrication and mechanical seals.

This new edition also contains new startup and surveillance tips for pump operators, as well as repair versus replacement or upgrade considerations for maintenance decision-makers, new condition monitoring guidance for centrifugal pumps, and expanded coverage of operator best practices.

Read Chapter 5: Rolling Element Bearings here.

Cooling is not needed on pumps with rolling element bearings

Cooling is still found in pumps with high speed and heavily loaded rolling element bearings. But cooling of the oil is very rarely needed and often of no benefit in installations with rolling element bearings. Suppose a cooling jacket restricts the bearing outer ring from free thermal growth in all radial directions. But the bearing inner ring heats up and grows, causing bearing internal clearances to vanish. An excessive preload could result.

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