The centrifugal pump is the absolute workhorse in the field of fluid transportation. Its simple and reliable principle of centrifugal force makes it highly effective in countless applications. Understanding its working principle, performance curves, structural features (especially shaft seals), and limitations (cavitation, viscosity constraints) is fundamental to proper selection, installation, operation, and maintenance. When dealing with highly toxic, highly corrosive, flammable, explosive, or extremely expensive media, leak-free magnetic drive pumps are a safer choice. However, thanks to their broad applicability, cost-effectiveness, and maturity, standard centrifugal pumps remain the preferred choice for the vast majority of industrial processes and civil systems.