problem malfunction in hydraulic val ves stora enso hyltebruk have had problems with malfunctions in the hydraulic valves in a “softcalender.” the cause of the problems was resin coatings in cartridge valves. the oil was according to customer “very clean”! own online particle counting viewed 12/8. solution ef2130v The customer chose to install Europafilter , to improve the purity. Customer was suspicious about flow capacity (1.7 l/min through 3

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