1. The filter element is selected according to the precision of the filtered liquid and the impurities contained in it. The viscous liquid can be filtered by the second stage and the first stage of coarse filtration to reduce the resistance and prolong the service life of the filter element (usually 3-4 times).
2. Install the filter element correctly. If the filtered water is found to be polluted, carefully check whether the filter element is skewed and whether the two ends are strictly aligned and pressed.
3. When the pressure difference reaches 0.2MPa, the filter element should be cleaned or replaced.
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