MULTI-STAGE CENTRIFUGAL PUMP

摘要

A multi-stage centrifugal pump that includes inlet and pressure covers, outer case, inner case as a pack of sections with guide apparatuses and impellers installed on the shaft. The inlet cover is arranged as component one, at least of two parts, at least one of those by means of a spacer that is arranged with an opening for supply of working medium is connected to the first section of the inner case, at that the sections of the inner case are arranged with outer diameter smaller compared to the inner diameter of the outer case, and the guide apparatuses of the first and intermediate stages are arranged with broken switch zone.