FILTREC filter, German FILTREC model, FILTREC price

The design of the FILTREC filter itself has made significant progress, the most important of which is the removal of separators, i.e., the development of separator-free filters. Separator-free filters not only eliminate the risk of separators damaging the filter media, but also effectively increase the filtration area, improve filtration efficiency, and reduce airflow resistance, thereby reducing energy consumption. In addition, filters have made great progress in high temperature resistance, corrosion resistance, water resistance, and bacteria resistance, meeting some special needs. The design of the filter itself has also made significant progress, the most important of which is the removal of separators, i.e., the development of separator-free filters. Separator-free filters not only eliminate the risk of separators damaging the filter media, but also effectively increase the filtration area, improve filtration efficiency, and reduce airflow resistance, thereby reducing energy consumption. In addition, filters have made great progress in high temperature resistance, corrosion resistance, water resistance, and bacteria resistance, meeting some special needs.

FILTREC filter applications

Air filters are used to obtain clean air that meets standards. General ventilation filters capture and adsorb dust particles of different sizes in the air to improve air quality. Chemical filters, in addition to adsorbing dust, can mainly adsorb odors and are usually used in biopharmaceuticals, hospitals, airport terminals, residential environments, and other places. The use of general ventilation filters is quite extensive, including the microelectronics industry, coating industry, food and beverage industry, etc. In other words, the filter is just a means to achieve the goal of cleanliness.

FILTREC filter selection

Select the appropriate filter reasonably according to specific circumstances. The selection principles are as follows: Determine the efficiency of the final-stage filter based on the required cleanliness standard for the indoor environment, and reasonably select the number of stages and the efficiency of each stage of the air filter combination. If general purification is required indoors, primary efficiency filters can be used; if medium purification is required indoors, two-stage filters with primary and medium efficiency should be used; if ultra-clean purification is required indoors, three-stage purification filters with primary, medium, and high efficiency should be used, and the efficiency of each stage of the filter should be matched reasonably and properly. If the efficiency difference between two adjacent stages of filters is too large, the previous stage of filter will not protect the next stage of filter. Analyze the properties of the dust-laden gas. The properties of the dust-laden gas related to the selection of filters are mainly temperature, humidity, and the amount of acids, alkalis, and organic solvents. Because some filters allow use at high temperatures, while others can only work at normal temperature and humidity, and the amount of acids, alkalis, and organic solvents in the dust-laden gas affects the performance and efficiency of the filters.

FILTREC filter maintenance

To extend the service life of filters, the most fundamental approach is to trap dust in the pre-filter. Replacing pre-filters generally does not require production shutdown, nor does it require commissioning, so experienced owners focus their attention and budget on pre-filters and intermediate protective filters. In overseas projects and new domestic projects, F8 filters are the most common pre-filters for non-unidirectional flow cleanrooms. In some cases, the specified service life for high-efficiency filters is not based on pressure drop considerations, but on other factors. If hydrofluoric acid is present in the plant, and the workshop air conditioning is not an all-outdoor-air system, the glass fiber filter media in the filters will be corroded by return air, so for safety, high-efficiency filters must be replaced regularly. Some large pharmaceutical plants replace high-efficiency filters every year after the rainy season to prevent any possible mold contamination on the filters. Some biological laboratories and laboratories handling hazardous materials require the use of new high-efficiency filters for reliability before starting a new important project.

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