Air Filters in general are classified by their filtration efficiency, which means the minimum and maximum particle retention capacity.
According to the standard NBR 16101:2012 (Brazil) and EN 779:2012, the COARSE FILTERS meet the classes that vary from G1 to G4 characterized by average gravimetric efficiency (Eg%). See below:
• G1: 50 ≤ Eg < 65;
• G2: 65 ≤ Eg < 80;
• G3: 80 ≤ Eg < 90;
• G4: 90 ≤ Eg.
In addition to the classification by efficiency, the coarse filters have different physical characteristics for each air conditioning project:
• Filter Blankets;
• Disposable Flat Filters;
• Permanent Flat Filters (Blanket Holders);
• Pleated Filters;
• Multibag Filters;
• Nylon Screen Filters;
• Metal Filters.
Linter Filters Industriais for over 27 years manufactures filters of different filtration classes, including Coarse Filters.
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🌐 https://linterfiltros.com.br/tratamento-de-ar/
If you have any questions, we suggest you contact Linter Filters. Our engineers will detail better and indicate the best option for your company.
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