First of all, the pressure difference that affects the stainless steel oil filter is the precision. The higher the precision of the stainless steel 

oil filter element, the higher the precision of the filter material used for the filter element, that is, the smaller the pore size of the filter 

material, the smaller the pore size, the corresponding increase in resistance. Therefore, the higher the accuracy of the filter material with 

the same area, the greater the resistance, the corresponding pressure loss will also increase, and the pressure difference will also increase. 

That is, the higher the precision of the filter element, the higher the pressure difference.

The hydraulic system is a transmission system, so it must be ensured that the required kinetic energy can only be generated under a certain 

pressure. However, because the oil in the hydraulic system needs to maintain a certain degree of cleanliness, it must be filtered through the 

filter and the filter element, so the hydraulic oil must have a pressure loss through the filter element.

Secondly, the pressure difference of the stainless steel oil filter element is also related to the filter area. For the filter material with the same 

precision, the larger the filter area, the smaller the pressure loss. Because the increase in filter area can disperse the pressure per unit area, 

the pressure loss will naturally decrease.

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