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 7: Lubricant Types and Key Properties.
Both oil and air fill the bearing housing. As it either gets warm and expands, or cools and contracts, an interchange of the internal air takes place with the surrounding or ambient air. The interchange is called “breathing.” To stop this breathing and resulting contamination, the breather vents on the housings should be plugged and suitable bearing protector seals (see Note below) installed where the shaft protrudes through the housing.
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