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City railway tunnel, Bochum

The project:


City railway tunnel building lot 306

Executing companies:

Beton- und Monierbau Ges.mb.H

Heitkamp Rail GmbH


The problem:


Pumping off the water arising during mined underground heading.


Our solution:


Use of submersible waste water pump Type KTZ32.2.


In the event of abrasive and corrosive utilization, stronger wear and tear will take place naturally in certain components. With regards to the above application wear and tear can take place mainly in impeller, agitator, suction plate, shaft sleeve, oil ring, mechanical seal, pump casing, strainer, motor casing and discharge coupling. Depending on the working conditions the lifetime of those parts might vary significantly and can be shorter than the legal warranty period.
In this regard, please pay attention to our general terms and conditions that we also send to you by mail on request.