Centrifugal pumps have broad application prospects and important roles in the food processing industry. When selecting a model, you should comprehensively consider factors such as actual production needs, material properties, flow and pressure requirements, equipment materials and costs to select the most suitable centrifugal pump model.

In summary, the selection of water pump materials needs to be comprehensively considered according to specific factors. In the selection process, the advantages and disadvantages and applicable scope of various materials should be fully understood in order to make a reasonable choice.

Two main architectures are used: external gear pumps (two identical gears on parallel shafts) and internal gear pumps (a smaller rotor inside a larger ring gear with a crescent partition). External gear designs are compact and widely used in hydraulic systems, while internal gear units offer superior suction capability and better tolerance for high viscosity fluids; they are often selected for filling and emptying duties and can provide bi‑directional flow. For very high viscosities, internal gear pumps are typically the first choice.