MANN-FILTER Oil filter

What is necessary to know about Mann-Filter oil filter

1. Mann-Filter oil filters are produced by a famous German company – MANN+HUMMEL GmbH – since 50s of the last century.
2. The components belong to the premium price segment.
3. Parts manufacturing is performed in Germany. The factory located in Marklkofen is capable to produce more than half a million products per day.
4. Catalogues include products which differ in their design:
   • Spin-on filters. They have a solid housing, and, when necessary, are replaced as a whole unit. They are equipped with anti-drain and reduction valves. The former is responsible for quick supply of lubricant to the engine parts after the motor is started. The latter prevents oil starvation of the motor at very low environmental temperature or in case the filtering element is clogged.
   • Cartridges. They have no housing and no components made of metal. They are equipped with a silicone anti-drain membrane preventing lubricant leakage after the engine is stopped. Mann-Filter oil filters of this type are notable by a low price.
5. In terms of the material, there can be the following devices:
   • Full-flow filters. They are made of paper of a special structure. They can process the maximum volume of the lubricant. They are the most demanded.
   • Bypass filters. They are made of cotton fibers and have no bypass valve. They filter the oil step-by-step, in the amount of no more than 10% of the total volume during one working cycle. They are able to trap even the smallest particles, however, they are characterized by a significant hydraulic resistance, which slows down the filtering process. Often they are installed together with the full-flow components.
6. Combined. They consist of both paper and bypass components.
7. Presence of pleats makes the structure resistant to deformation. The filtering elements withstand the pressure of up to 10 atm, while metal parts resist corrosion well.
8. Thanks to a well thought-out design, tightness of the parts is retained throughout the whole working lifespan.

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