Is the larger or smaller the mesh number of the filter element is the best?
Jun 11, 2025
The mesh number of the filter element is not the larger or smaller the better, it needs to be selected according to the specific use requirements and filtering accuracy requirements.
The larger the mesh number, the smaller the filter aperture and the higher the accuracy, but it may also reduce the filtering efficiency and increase the pressure difference.
The smaller the mesh number, the larger the filtered particles, which is suitable for scenes with low precision requirements.
Definition and basic principles of mesh number
The mesh number is the core indicator for measuring the filtering accuracy of the filter, which is expressed as the number of holes per square inch (25.4mm×25.4mm). For example, a 100-mesh filter means that there are 100 holes per square inch, and the pore size is about 150 microns.
The impact of mesh size on filtering effect
Filtration accuracy.
a. The larger the mesh number: the smaller the pore size (such as 50 mesh ≈ 2.5 microns), the finer particles can be trapped, and it is suitable for high-precision scenes (such as medical, electronic packaging, etc.).
b. The smaller the mesh number, the larger the pore size, which is suitable for filtering coarse particles (such as mud, impurities), and is commonly used in the primary filtration stage.
Filtration efficiency and pressure difference.
Too large a mesh number may cause the pressure difference to increase by more than 30%, reduce the flow rate and filtration efficiency, and even clog the filter element.
The larger the mesh number, the smaller the filter aperture and the higher the accuracy, but it may also reduce the filtering efficiency and increase the pressure difference.
The smaller the mesh number, the larger the filtered particles, which is suitable for scenes with low precision requirements.
Definition and basic principles of mesh number
The mesh number is the core indicator for measuring the filtering accuracy of the filter, which is expressed as the number of holes per square inch (25.4mm×25.4mm). For example, a 100-mesh filter means that there are 100 holes per square inch, and the pore size is about 150 microns.
The impact of mesh size on filtering effect
Filtration accuracy.
a. The larger the mesh number: the smaller the pore size (such as 50 mesh ≈ 2.5 microns), the finer particles can be trapped, and it is suitable for high-precision scenes (such as medical, electronic packaging, etc.).
b. The smaller the mesh number, the larger the pore size, which is suitable for filtering coarse particles (such as mud, impurities), and is commonly used in the primary filtration stage.
Filtration efficiency and pressure difference.
Too large a mesh number may cause the pressure difference to increase by more than 30%, reduce the flow rate and filtration efficiency, and even clog the filter element.
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