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Know and Understand Centrifugal Pumps
published by Elsevier Science Publishing ISBN # 1856174093
Very few industrial pumps come out of service and go into the
maintenance shop because the volute casing or impeller split down the
middle, or because the shaft fractured into four pieces. The majority
of pumps go into the shop because the bearings or the mechanical seal
failed.
Most mechanics spend their time at work time greasing and changing
bearings, changing pump packing, and mechanical seals. The Mechanical
Engineers spend their time comparing the various claims of the pump
manufacturers, trying desperately to relate the theory learned at the
University with the reality of the industrial plant. Purchasing agents
have to make costly decisions with inadequate information at their
disposal. Process engineers and operators are charged with maintaining
and increasing production.
The focus of industrial plant maintenance has always been that the
design is correct, and that the operation of the pumps in the system
is as it should be. In this book, you will see that in the majority of
occasions, this is not true. Most of us in maintenance spend our
valuable time, just changing parts, and in the best of cases,
performing preventive maintenance, trying to diminish the time
required to change those parts.
We almost never stop to consider, What’s causing the continual failure
of this equipment? This book will help you to step away from the
Fireman approach, or putting out fires and chasing emergencies.
This book is directed toward the understanding of industrial pumps and
their systems. It won’t be a guide on how to correctly design pumps,
nor how to rebuild and repair pumps. There are existing books and
courses directed toward those themes. By understanding the real
reasons for pump failure, analyzing those failures, and diagnosing
pump behavior through interpretation of pressure gauges, you can
achieve productive pump operation and contain maintenance costs. This
book will serve as a
guide to STOP repairing industrial pumps.
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