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Summary of materials used in the manufacture of primary filters
Summary of materials used in the manufacture of primary filtersPrimary filters are fully classified for different companies with different filtration needs on the filter, so before choosing a primary filter material, it is important to clarify what their needs are. Primary filters are used for the primary filtration of air conditioning systems, mainly for filtering dust particles above 5μm.There are four types of primary filters: plate type, folding type, bag type, and box type. The outer frame materials are the paper frame, aluminum frame, galvanized iron frame, and stainless steel frame. Low price, lightweight, good versatility, and compact structure. The equipment is characterized by its low price, lightweight, good versatility, and compact structure. It is mainly used for the primary filtration of air conditioning and centralized ventilation systems. It is characterized by low initial resistance, easy and safe replacement, high economy, and long service life. It is generally used for primary filtration of air conditioning systems, clean room return air filtration and pre-filtration of local filtration devices. The filter core of the primary filter is composed of a filter frame and stainless steel wire mesh or wood frame, the filter element and the frame are desirable loss parts and need special protection; when the filter works for some time, the filter core precipitates certain impurities, then the pressure drop increases, the flow rate will drop, and the impurities in the filter core need to be cleared in time; when cleaning the impurities, pay special attention to the stainless steel wire mesh on the filter core is not deformed or damaged, otherwise, the Re-installed on the filter, the purity of the filtered media can not reach the design requirements, compressors, pumps, instruments, and other equipment will be damaged; if the stainless steel wire mesh is found to be deformed or damaged, it needs to be replaced immediately. |
