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¡¡¡¡Abstract: Centrifugal pump, with the advantages of small size, simple structure, wide performance adaptability, easy operation and low maintenance costs, has been widely applied in petroleum system and chemical system as a medium transportation equipment. According to the statistics, among the various pump used in petrochemical industry, centrifugal pump accounts for more than 70%. How to choose the appropriate centrifugal pump is a difficulty since the multiple types and various specifications. In this paper, the main performance parameter, selection principles and selection basis of the centrifugal pump are simply introduced.
¡¡¡¡Key words: centrifugal pump; basic performance parameters; selection principles; selection basis
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