A guide to technical terms used in cylinder technical specifications

Removal Of Gases In Hydraulic Oil

Gas bubbles can cause numerous problems in a hydraulic oil system such as increased noise, poor component response due to the spongy behavior of the aerated fluids and ultimately fluid degradation.

If gases are present in the hydraulic fluid reservoir, suction and compression pressures on the gas bubbles can result in high localized temperatures at the gas/liquid interface. This may result in thermal cracking and sludge/varnish formation.

A range of methods are available to remove such gas contamination of the hydraulic fluid, it is important to understand that theses processes need to be undertaken to to ensure optimum performance of hydraulic units.


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