The basis of centrifugal pump maintenance is a direct function of its criticality to its
application. For example, an ordinary garden water pump would not require the same kind of
attention as a boiler feed water pump in a major power plant or a firewater pump in a refinery.
The criticality of any pump equipment is based on the following criteria:
• Failure can affect plant safety
• Essential for plant operation and where a shutdown will curtail the process
throughput
• No standby or installed spares
• Large horsepower pumps
• High capital cost and expensive to repair or longer repair lead ...
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