By pass filters for Engines
Don’t confuse bypass filters with the bypass valve on full-flow filters. Engines include some kind of OEM oil filtration system. Truck engines are equipped with full-flow oil filters through which all oil pumped from the sump flows before it re-enters the engine. Because of the high fluid flow rate, the amount of contaminant that standard full-flow filters can safely remove from the liquid stream is limited, since too much material would plug the filter. If this were to happen, the full-flow filter’s bypass valve would open to allow unfiltered lubricant to flow through the engine since even dirty oil is much better than the catastrophic event of no oil.
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It’s generally accepted that a combination of a full-flow and a bypass filter will provide the best protection to engines. In the USA Cummins and Mack include both as standard items. Such a design is expected to provide the lowest overall cost to users because of the double protection against wear. United States Department of Energy tests using 11 buses running almost a million miles showed that vehicles with bypass filter systems avoided on average 89 percent of oil changes and therefore, reduced by 89 percent their use of petroleum for oil changes.
The degradation of the TBN and oxidation/nitration values was the two major oil quality metrics leading to the eight intentional bus oil changes. The combination of full flow and bypass filters protects engines from catastrophic events by filtering all lubricant flowing through the system. Unlike full flow filters, which are designed to capture oil-borne contaminants down to about 20 microns in size, bypass filters are capable of removing much smaller particles from the oil stream.
The Kleenoil Filtration System is a bypass oil filter that passes only a small portion of the total oil flow through a very dense filter cartridge at about 4-6 litres per minute. At this speed, it is possible to remove particles down to 1 micron and totally remove water, greatly decreasing engine wear and prolonging oil life. The Kleenoil system can eliminate water and particle contamination, extend oil life up to 5 times and hydraulic oil up to 10 times, reduce engine wear and component wear, dramatically reduce downtime, remove particles down to 1 micron, and is applicable to engines as well as hydraulic systems.
The concept of recycling oil in a parallel filtration loop is not new, but now it is possible with the KLEENOIL FILTRATION™ system to filter out particles down to less than 1 micron. Compare that to the designed space of 3 microns between moving parts in an engine, and the standard in-line filter performance of 40 microns. Your engine has effectively been acting as a sophisticated stone crusher!
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