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Technical blog

SILICA CONTAMINATION

The problem

On a production plant, several machines lubricated with oil filtered with diatomaceous earth, our customer claim an excessive tools wear and frequent clogging of filters.



The cause

The circulating oil analysis, shown an high silica contamination. After a short check the CAUSE was individuated: the support net of the central filter system let some diatomaceous earth enter the system on the clean side and pollute the oil.

The solution

Replaced the support net and applied a "last-chance" filter on filter exit, our customer has never had any abnormal wear/clogging problem.
 

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