How to clean filter pressure reducing valve filter? Any filter that has been used for a long time will produce a lot of impurities, which is also the mission of the filter, but too many impurities in the filter cavity will affect the circulation of the media and need to be cleaned. If you are a professional technician, you can take the filter apart, remove the filter screen above, and clean the filter skeleton in turn with gasoline and alcohol, then weld the new filter screen to the skeleton and assemble it together. After assembly, the sealing Test and filtration performance test must be carried out, otherwise accidents or failures may occur. If it is not a professional technician, it is better to return to the factory or re-purchase due to the lack of necessary knowledge, especially professional equipment

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Is it necessary to install the pre-water purifier? In general, it is best to install. this is the first layer of protection and the most basic filtration. unless the quality of municipal water can be guaranteed, it is basically impossible in China, the installation of the front water purifier has a long life and high cost performance. It can protect and extend the life of PP cotton or other first-class filter elements of the terminal water purifier. The better pre-filter water purifier will basically filter out the water quality much better. for example, the type of pre-filter with the Ryder West level can basically put most of the water impurities (such as rust, aquatic animals and plants, residue, etc.) is filtered out in the first line of defense, which is the first barrier protection for domestic water. It is also the most important one. At present, the environmental water quality pollution situation is quite not optimistic. it is recommended to install it. it is necessary for the sake of physical health.