Relation between rated flow and actual flow of hydraulic filter

In China, many people confuse the rated flow of the hydraulic filter with the actual flow, thinking that the rated flow is the actual flow of the hydraulic filter, which is actually a misunderstanding.

Theoretically, the rated flow of hydraulic filter refers to the flow of oil passing through the clean filter element under the specified original resistance when the viscosity of oil in the hydraulic system is 32m ^ 2/s.

However, due to the difference of medium and temperature, the viscosity of the oil will also change. For example, the viscosity of the oil in the hydraulic system will become viscous due to temperature or medium, resulting in the slow flow rate of the oil in the hydraulic filter, which will mislead the hydraulic filter to think that the rated flow rate is reached, but it is not yet.

From here, we can know that the rated flow and actual flow of hydraulic filter are two different concepts. We should pay special attention to the relationship between the rated flow and the actual flow when selecting the type of hydraulic filter.

According to the relationship between them, the hydraulic filter with rated flow greater than actual flow should be selected. For specific data proportion, consult the hydraulic filter manufacturer to select the appropriate relationship between rated flow and actual flow.