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Schmücketunnel, Germany

The project:

Schmücketunnel, Heldrungen, Thuringia

Section of the A71, two pipes with a length of 1720m (east pipe) and 1,729m (west pipe) respectively.

Executing companies:

Baresel GmbH

Alfred Kunz Untertagebau GmbH

Kirchner Hoch- u. Ingenieurbau GmbH

The problem:

Execution of open dewatering under consideration of unexpected water inrush due to changing building ground.

The solution:

Implementation of multiple KTZ and KTV series submersible pumps. Maximum reliability, 24h-operation possible thanks to their suitability for dry running.

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.