Category Archives for Hydraulic Fluid
Hydraulic Fluid Selection
Hydraulic equipment is comprised of many kinds of hydraulic appliances, and does its job by transmitting energy through a non-compressible medium. In general, petroleum-based fluid is used as a medium, and is called working fluid. Hydraulic equipment works under conditions … Continue reading
Sources of Hydraulic Contamination
There are four sources of contamination in hydraulic fluid. 1. Built-in contamination. This is contaminate that was left in the system when it was assembled. It can range from a piece of teflon tape to a piece of welding slag. … Continue reading
Hydraulic Contamination Control
There are three types of failure in a fluid power system. 1. Degradation. The performance of the component degrades over time as surfaces wear, clearances increase, and leakage increases. 2. Intermittent. Valves stick and then break loose such that operation … Continue reading
Hydraulic Temperature Control
Operating temperatures consistently above 160°F promote chemical reactions that change the properties of the oil. Effects of high temperature are listed below: 1. Oxidation of the oil 2. Formation of insoluble gums, varnishes, and acids 3. Deterioration of seals (they … Continue reading