Summary
Centrifugal pumps are the absolute workhorses in the field of fluid transportation, with their simple and reliable centrifugal force principle making them highly effective in countless applications. Understanding their 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, standard centrifugal pumps, due to their broad applicability, cost-effectiveness, and maturity, remain the preferred choice for the vast majority of industrial processes and civilian systems.