November 2004

Special Report: Plant Safety and Environment

Consider dual magnetic hermetic bearing housing seals to protect both assets and the environment

Here's where they can be used to improve reliability and reduce emissions from oil-mist lubrication systems

Rehmann, C., AESSEAL plc

When a survey was recently made of eight well-known US Gulf Coast oil refineries, their pump bearing protection and lubrication practices became the subject of closer scrutiny. As anticipated, these refineries had adopted the important industry-wide practice of using pure oil-mist lubrication on thousands of pumps. However, although it had been assumed that the implementation details for oil-mist technology had followed state-of-the-art practices, this was not always found to be the case. The survey pointed out opportunities for cost-effective reliability enhancements ? the subject of this article. But first, an overview of the concept of oil-mist lubrication, along with a brief review

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