Views:4 Author:Site Editor Publish Time: 2019-07-22 Origin:Site
Best Ford Oil filter acceptance criteria
The full-flow oil filter shall be tested in accordance with ISO4548: filter
1.Pressure drop-flow characteristic test The pressure drop-flow curve of the oil filter assembly is measured with the oil of the specified viscosity.
2.Characteristic test of the filter bypass element The filter pressure drop-bypass flow curve is determined. When the pressure drop through the filter element is low, in order to limit the amount of unfiltered oil, the bypass element allows a small amount of oil leakage when the pressure is lower than the specified opening pressure; and when the filter element is completely blocked, it can be adjacent Pass all flow and not exceed the specified pressure drop.
3.High Pressure Drop and High Temperature Characteristics Test The oil filter will experience high pressure drop during operation (especially when the filter element is clogged). In addition, the filter element is also affected by the high temperature of the oil. The filter element should be tested for high pressure drop without damage under simulated high temperature conditions.
4.Filter life and filtration efficiency test The particle counting method is used to determine the filter core life. When testing, draw the pressure difference-test time or differential pressure-ash weight relationship curve to achieve the test time of 75% bypass valve design opening pressure or Contaminant
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