This document is a compilation of technical papers from leading rotating equipment engineers across the globe, providing a balanced view of mechanically-sealed and sealless systems in a wide range of applications. The user experts give unbiased reports about their own experience with the various options available for rotating equipment.
The document is available in English and German language versions. Please click one of the images below to see a list of contents:
| English | Deutsch |
This document is a joint publication of the ESA and FSA.
Copies are available from most ESA Mechanical Seals Division Member Companies. See ... List of Division Members
In the document, the user experts confirm that the vast majority of rotating equipment is mechanically-sealed and the justification for this becomes obvious once the total cost of ownership is considered.
Presentations prepared by leading consultants show a
decided advantage for operating mechanically-sealed equipment over sealless equipment
based on the total cost of ownership. Life cycle cost evaluations can help predict the
most cost-effective solutions, minimise waste, and maximise energy efficiency. These
evaluations address all costs associated with the acquisition of the equipment as well as
owning and operating the equipment over its full life period. A life cycle cost evaluation
should consider the following key areas:
initial capital acquisition costs
installation and commissioning costs
energy costs for the operating process
general operating costs
repair and maintenance costs
downtime costs
environmental costs
decommissioning and disposal costs at the end of the
life cycle
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