BARREL CASING PUMP AND METHOD FOR MANUFACTURING A BARREL CASING PUMP

摘要

The invention relates to a centrifugal pump having a barrel casing (1) and at least one stage casing (9, 9') inserted therein, wherein in the transition from the last stage casing (9') to the pressure connector (3) a spiral flow space is formed by a contour of the last stage casing (9'), a contour of a cover (4) which closes the barrel casing (1) on an end face and the inner contour of the barrel casing (1).