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Schalkshofen pumping station, Germany

The project:

Replacement of a dry-installed pump at the Schalkshofen pumping station by a submersible pump with cutter. Sewage disposal for the municipality of Oberroth with approx. 890 inhabitants.

Executing company:

Landmaschinen Mayer, Unterroth


Tsurumi project leader:

Ernst Mutzel

(Field Sales for Baden-Württemberg)


The problem:

Formation of ragging in operation, causing a gradual loss of performance and eventually stopping the pump, thereby triggering an alarm due to high water level.

Pump has to be dismantled regularly to remove the ragging.


The solution:

Installation of a type 100C43.7 grinder pump. The impeller shreds the fibrous constituents of the sewage. This prevents ragging and guarantees trouble-free operation, with fewer time-consuming repairs by the sewage works operators.

U slučaju abrazivnih i korozivnih primjena, normalno je da će se u određenim komponentama dogoditi snažnije trošenje. S obzirom na gornju primjenu trošenje se može odvijati uglavnom u radnom kolu, miješalici, usisnoj ploči, rukavcu osovine, uljnom prstenu, mehaničkoj brtvi, kućištu pumpe, cjedilu, kućištu motora i ispusnoj spojki. Ovisno o radnim uvjetima vijek trajanja tih dijelova može značajno varirati i može biti kraći od pravnog zakonskog razdoblja.
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