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Zagreb Arena, Croatia

The project:


Construction of the Zagreb Arena for the 2009 Handball World Championship


Executing companies:

Fngra d.d. Zagreb

TriGranit Zagreb d.o.o.

GIP Pionir d.o.o.

VIS-Trgovina d.o.o.


The problem:


The subzero-grain sludge originating from the gravel washing plant which has collected in the used water pond had to be pumped off.


Our solution:


By the application of a high-performance Tsurumi submersible waste water pump of Type KRS822 with an additionally attached flushing device, which was supplied with fresh water by means of a separate high-pressure pump, the settled sludge was agitated and was pumped off in a highly concentrated condition. The advantage of this type of pump is the low rotational speed of 1450 rpm affording a considerably longer service life.

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.