Xinxiang Shengda Filtration Technique Co., Ltd.

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Zuhause> Blog> Technical characteristics of oil filter

Technical characteristics of oil filter

September 10, 2024

                               Technical characteristics of the oil filter

Filter paper: The oil filter requires higher filter paper than the air filter, mainly because the temperature change of the oil varies from 0 to 300 degrees. Under the severe temperature change, the oil concentration also changes accordingly, which will affect the filtration flow of the oil. The filter paper of the high-quality oil filter can filter impurities under severe temperature changes to ensure sufficient flow.


Rubber seal: The filter seal of high-quality oil is made of special rubber to ensure 100% oil leakage.

Reflow suppression valve: Only available in high quality oil filters. When the engine is turned off, it prevents the oil filter from drying out; when the engine is re-ignited, it immediately generates pressure and supplies oil to the engine.

Overflow valve: Only available in high quality oil filters. When the external temperature drops to a certain value or when the oil filter exceeds the normal service life, the relief valve will open under special pressure, allowing unfiltered oil to flow directly into the engine. Despite this, impurities in the oil can enter the engine, but it is much smaller than the loss caused by the absence of oil in the engine. The relief valve is therefore the key to protecting the engine in an emergency.

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      Shengda Filtration provides design and fabrication for hydraulic filter, oil filter purifier, metallic sintered filter element, metal candle filter, wedge wire screen , Johnson screen series, and filter material, etc.  Please contact us if you need.

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