Factors Affecting the Operating Pressure Differential of an Oil Filter
Aug 08, 2025
1. Filter Clog or Impurity Accumulation
Excessive impurities trapped in a filter after use can lead to poor oil flow, increased pressure differential, and ultimately, a decrease in system pressure.
2. Filter Material Precision
The primary factor affecting filter precision is the pore size of the filter material. The smaller the pore size, the greater the resistance. Given the same filter area, higher-precision filter material generates greater resistance, which in turn increases pressure loss and the operating pressure differential of the oil filter element.
3. Filter Area
When maintaining the same filter material, that is, the filter element's precision remains unchanged, increasing the filter area reduces pressure loss and reduces pressure loss. This is because a larger filter area helps distribute pressure, reducing the pressure per unit area and thus preventing pressure loss.
4. Mismatch between flow rate and flow velocity
Excessively high oil flow rates result in incomplete removal of contaminants, while too slow flow rates can lead to rapid clogging of the filter element. Both can lead to unstable or decreased system pressure.
Excessive impurities trapped in a filter after use can lead to poor oil flow, increased pressure differential, and ultimately, a decrease in system pressure.
2. Filter Material Precision
The primary factor affecting filter precision is the pore size of the filter material. The smaller the pore size, the greater the resistance. Given the same filter area, higher-precision filter material generates greater resistance, which in turn increases pressure loss and the operating pressure differential of the oil filter element.
3. Filter Area
When maintaining the same filter material, that is, the filter element's precision remains unchanged, increasing the filter area reduces pressure loss and reduces pressure loss. This is because a larger filter area helps distribute pressure, reducing the pressure per unit area and thus preventing pressure loss.
4. Mismatch between flow rate and flow velocity
Excessively high oil flow rates result in incomplete removal of contaminants, while too slow flow rates can lead to rapid clogging of the filter element. Both can lead to unstable or decreased system pressure.
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