Case study

Pump production efficiency leading to more than 1m$/year operating result

Our client DEME wanted to reduce production losses encountered due to the frequent replacement of the wear ring of its dredging pump.

Client request

Reducing the replacement frequency of the wear ring thanks to an increase in wear life of the casting.


The use of Expand for the exposed zone allowing an increase of the lifetime x3.

congo river solution.JPG


With realistic operating conditions, the total savings of our client DEME was more than 1,300k USD!

Maintenance costs savings 10,600$
Increase in production efficiency 1,216,000$
Savings in parts replacement 5,000$
Savings in fuel consumption 122,000$
Total savings 1,353,600$
Congo river case study
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