What are the filtration levels of medium efficiency bag filters?

Medium efficiency bag filter is a common filtering device widely used in fields such as air purification and ventilation systems. Its filtering level refers to the ability to filter out particles of different sizes, thereby achieving a purification effect on the air. The filtration levels of medium efficiency bag filters are usually divided into three levels: initial efficiency, medium efficiency, and high efficiency.

Primary filters are mainly used to filter larger particles of dust, hair, and other impurities. They are usually made of materials such as non-woven fabric and paper filter cartridges. Medium efficiency filters are mainly used to filter smaller particles such as bacteria, viruses, etc. They are usually made of materials such as glass fiber and PP cotton. High efficiency filters are used to filter smaller particles, such as PM2.5, and are usually made of materials such as HEPA filters.

The filtration level of medium efficiency bag filters is usually classified according to the European standard EN779, with F5-F9 levels being the most commonly used. The F5 level medium efficiency filter can filter out over 90% of 5 μ m particles, while the F7 level medium efficiency filter can filter out over 95% of 1 μ m particles. In addition, the filtration effect of medium efficiency bag filters is also related to factors such as their structure, filter materials, and filter layers.

The filtration level of medium efficiency bag filters is usually classified according to the European standard EN779, with F5-F9 levels being the most commonly used. The F5 level medium efficiency filter can filter out over 90% of 5 μ m particles, while the F7 level medium efficiency filter can filter out over 95% of 1 μ m particles. In addition, the filtration effect of medium efficiency bag filters is also related to factors such as their structure, filter materials, and filter layers.

Overall, the filtration level of medium efficiency bag filters is one of the important performance indicators, and selecting the appropriate filtration level is of great significance for ensuring air quality. Meanwhile, proper installation and daily maintenance are also key factors in ensuring the effectiveness of medium efficiency bag filters. Therefore, when selecting and using medium efficiency bag filters, factors such as filtration level, installation location, and maintenance methods should be fully considered to ensure their effectiveness and performance in practical applications.