Upgrading the mechanical design of vertical multistage centrifugal pumps in low temperature service

Upgrading the mechanical design of vertical multistage centrifugal pumps in low temperature service

Multistage deep well pumps are available in styles and models that range from just one HP, and single stage to multistage versions that often comprise over 20 stages and horsepower levels in the mid four-digit range (Reference 1). Some have their column bearings encased in a tube or inner pipe which allows strict separation between lubricant and the liquid (“pumpage”) […]

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Source: Pump Industry Magazine