Hydraulic fluid: Detergent Oil

Detergent oils are best known for emulsifying water and dispelling and arresting other contaminants like sludge or varnish. Generally, DIN 51524; HLP-D fluids, also known as anti wear hydraulic fluids, are the ones that comprised of detergents and dispersant. Most of the hydraulic component manufacturer endorse the use of these oils for contaminant free components. But the contaminants in case of detergent oils need to be filtered out since they do not settle out. Detergent oils are well suited for mobile hydraulic systems as they are relatively smaller in size and hence, have less chances of contaminants deposition and precipitation.

Water is extremely dangerous for any hydraulic system as it alone can lead to multiple problems like corrosion, oil aging, reduced lubricity etc. The advantage of using detergent oils is that emulsified water can easily be turned into steam at highly loaded parts of the system and detergent oils help in emulsifying the water content.

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