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Sewage treatment, apartment building, Croatia

The Project:


Construction of a new apartment building, Croatia


Executing companies:

ISEA d.o.o., Rijeka, Croatia

VIS-Trgovina d.o.o.


The problem:


The building is situated close to the beach; there is no possibility of connecting to the public sewernetwork. However, wastewater treatment must be ensured.


The solution:


Connection to a small modular sewage works in polyethylene tanks. A Tsurumi submersible aerator with a power of 0.75 kW was fitted in the biological stage of the waste water treatment. The system operates very quietly, with no noise disturbance for the residents.

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.