Understanding Oil Cleanliness
Oil is at the heart of most, if not all, manufacturing equipment. This oil needs to be kept in good condition, free from the contamination of solid particles and water. Maintaining oil in healthy condition is something that is often overlooked but will prevent costly downtime and also the replacement of pumps, valves, cylinders and seals.
Determination of filtration rating and efficiency
|ISO 4406||Required Rating||Application Type|
|15/13/10||2 - 3 µm||Labratory and aerospace technology and servo hydraulic systems|
|17/15/12||3 - 5 µm||High quality industrial hydraulics, electromagnetic control valves, proportional technology, high pressure systems, lubrication systems|
|19/17/14||5 - 10 µm||Industrial hydraulics, medium pressure systems, low pressure systems|
|21/19/16||10 - 20 µm||Medium pressure hydraulics in general, medium-sized systems, low pressure systems w/large component clearances and low requirements for component wear protection, high pressure water hydraulic systems w/ high levels of coarse contamination|
Contaminated Oil Causes Downtime
Oil is at the heart of most manufacturing equipment. This oil needs to be kept in good condition free from the contamination of solid particles and water. Contaminated Oil is the cause of 90% of all hydraulic faults and downtime. Maintaining the oil in healthy condition is something that is often overlooked but will prevent costly downtime and the replacements of pumps, valves, cylinders and seals.
- •Free and emulsified water can cause contamination in critical fluids, resulting in additive depletion, oxidisation, bacterial growth, component wear and corrosion.
- •Condensation caused by changes in temperature and leaking oil cooling systems often contaminate the oil with water.
- •A combination of relatively high temperatures, metal particles (which act as catalysts), water and oxygen will result in increased and accelerated oxidation of the oil.
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