Air Filter Manufacturer: Factors Affecting Air Filter Performance


Release Date:

2022-05-03

With the continuous advancement of industrial technology, environmental pollution has become a central topic of public discussion, and people’s expectations for air quality are steadily rising. As the saying goes, “where there is demand, there is innovation,” which led to the development of air filters. However, today the market offers a wide variety of air filtration media, making it challenging for consumers to choose the right one. Therefore, it is essential to have a solid understanding of air filters. In this article, we will explore the factors that affect the service life of air filters.

Air Filter Manufacturer: Factors Affecting Air Filter Performance

With the continuous advancement of industrial technology, environmental pollution has become a major topic of public discussion, and people’s expectations for air quality are steadily rising. As the saying goes, “where there is demand, there is innovation,” which led to the development of air filters. However, today the market offers a wide variety of air filtration media, making it challenging for consumers to choose the right product. Therefore, it is essential to have a basic understanding of air filters. In this article, we will explore the factors that affect the service life of air filters.

The three key performance parameters of an air filter are resistance, efficiency, and dust-holding capacity.

1. Resistance

Resistance is categorized into two types: initial resistance and final resistance. Typically, the final resistance is about twice the initial resistance; for high-efficiency filters, the final resistance is 2 to 3 times the initial resistance. Resistance is directly proportional to air velocity—higher air velocity results in greater resistance. Increased resistance, in turn, degrades fan performance, raises energy consumption, and drives up costs. Therefore, when selecting an air filter, users often opt for one with low resistance and high filtration efficiency to achieve optimal cost-effectiveness. It is important to note that once an air filter reaches its final resistance rating, it should be replaced promptly; continuing to use it beyond this point can lead to significant losses.

2. Efficiency

Air filters are typically classified by efficiency into two standards: the U.S. standard and the European standard. The European standard most commonly used is as follows: G1–G4 represent primary-efficiency filters, usually made with polypropylene or glass-fiber media; F5–F9 are medium-efficiency filters, predominantly using glass-fiber media. Since the filter media differ, so do the filtration efficiencies. When selecting air filters, many customers first consider their cleanliness requirements and evaluate the filtration efficiency of various media, in order to choose a product that best meets their needs while offering good value for money.

3. Dust Holding Capacity

The dust-holding capacity directly affects the filter’s service life: the greater the capacity, the longer the service life.

The above outlines the three key factors that influence the cost-effectiveness of air filters. With this introduction, we believe you now have a fresh understanding of air filtration and can easily select an air filter that suits your needs and offers excellent value.


Keywords:

Air filter, filter