The majority of hydraulic systems will give a satisfactory performance using various hydraulic fluid types; for example, automatic transmission fluid, multigrade engine oil, and the traditional anti-wear hydraulic oil. However, one important question is; which type of fluid will best meet your specific application at the best transmission oil price!
Although it’s not practical to recommend a particular oil type that meets the needs of all hydraulic equipment in all applications, there are various criterions you can use when selecting a hydraulic fluid for your special requirements. At the same time, you will want the hydraulic oil prices for this product to be cost-effective!
Generally regarded as being the significant factor in the selection of a hydraulic fluid, is the influence of oil viscosity! Irrespective of the value given by the other properties contained in the oil; the determined hydraulic oil viscosity should correspond to the determined and recommended temperature for the hydraulic system. If this factor is not adhered to then the best possible life for components will not be realised.
To define the correct transmission fluid types needed for particular hydraulic systems means taking into account various and inter-dependent influences, which may include:
In the event of the hydraulic system being required to perform in freezing temperatures in winter or tropical summer conditions, it is possible that multigrade oil will be needed to retain viscosity. However, this will require permissible limits to be applied over a wide operating temperature range.
The overall efficiency of the auto or manual transmission fluid hydraulic system is maximized if fluid viscosity is maintained in the optimum range of usually 25 to 36 centistokes; this can have the effect of reducing the power consumption of the hydraulic system under certain conditions, with the use of multigrade oil.More...
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