Short Description
The development of modern hydraulic equipment etc. has imposed greater demands on the quality of hydraulic oils. Experience gained from the Scandinavian markets concerning hydraulic oil characteristics when operating at low temperatures has been of benefit, particularly where it applies to hydraulic operated components such as bogie lifts, tippers, cranes, cab tilting cylinders etc.
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Content
Because of the above mentioned experiences, today’s hydraulic oils as a rule contain polymers. The most notable aspect of these hydraulic oils, when compared to those oils without polymer additives, is that their temperature - viscosity dependance is less. In general thse hydraulic oils have better characteristics at low temperatures, the chief characteristic being pumpability. This must be sufficiently good that when starting and warming up of hyraulic components, abnormal wear and risk for breakdown is avoided. Listed below are some of the requirements necessary for a good quality hydraulic oil.
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