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DIN 51524-3:2017
Pressure fluids - Hydraulic oils - Part 3: HVLP hydraulic oils, Minimum requirements
This document applies to hydraulic oils HLVP for hydraulic systems predominantly with hydrostatic drive in which high thermal stress occurs; corrosion can occur caused by the entry of water and/or design or the operating conditions of pumps or hydraulic motors require oils with additives for reducing wear in mixed friction.
Deutsches Institut für Normung [din]