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Multistage centrifugal pumps are a type of centrifugal pump that achieve high-pressure liquid transportation through the series operation of multiple impellers. Their core feature is "step - by - step pressurization". Each impeller (i.e., "one stage") gradually converts the kinetic energy of the liquid into pressure energy, ultimately reaching a relatively high discharge pressure. Multistage pumps are widely used in industries such as industry, municipal services, and energy. They are especially suitable for scenarios with high - head requirements, such as long - distance water conveyance, boiler feedwater, and mine drainage.

In the selection of centrifugal pumps, the type of impeller is a critical factor. Open and closed impellers have distinct characteristics, with significant differences in applicable scenarios. The following comparison from dimensions such as structure, efficiency, and media adaptability helps quickly understand their differences.

Centrifugal pumps dominate industrial fluid transport for efficiency and stability. This guide uses a 3-step method—media analysis → parameter matching → structural optimization—to streamline pump selection.

In the field of fluid transportation, centrifugal pumps and magnetic pumps are widely used. There are significant differences between the two in terms of working principles, structures, performance, and application scenarios. Understanding these differences is helpful for making the right choices in practical applications.