Compressed Air Filtration Levels

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Compressed air filtration levels.

Because compressed air may come in direct and indirect contact with food processing an elevated level of filtration is required. If a filter tested on this particle size proves to be 100 efficient then it s fairly safe to say this filter can remove any particle above this size. When selecting a filter the designer must consider several factors. This type of air filter can theoretically remove at least 99 97 of dust pollen mold bacteria and any airborne particles with a size of 0 3 microns µm.

Ft 3 min from an air compressor operating at 100 psi will might handle about 30 gallons of condensed water every 8 hours notes the compressed air and gas handbook. Why compressed air filtration is necessary. Additionally the article provides an overview of the compressed air purity classes defined by iso 8573 1 2010. It is an acronym for high efficiency particulate air filter as officially defined by the u s.

Different applications require different levels of air cleaning effectiveness. Most fine particle tests use 0 3 micron as the standard to measure liquid or solid particle filtration. Filtration removes a surprising volume of oily water from compressed air. A high efficiency coalescing filter capable of removing solids and liquids is recommended.

Compressed air filters from grainger can help trap dirt particles and other impurities that can prevent your air compressor from operating at peak performance. Choose from our selection of compressed air filters including over 1 000 products in a wide range of styles and sizes. A compressed air filter can also remove moisture helping to provide better compressor air flow and improve air pressure for auto painting and machinery maintenance jobs. Many compressed air applications can handle contamination levels well above 0 3 microns.

These filters also remove particulates from compressed air trapping them within the filter media which can lead to pressure drops if not changed regularly. Compressed air utilized for pneumatic purposes can oftentimes be supported by a standard dry particulate filter that provides filtration down to 1 or 0 01 micron however if your process requires an osha approval and elimination of oil vapors then a charcoal activated filter will have to be utilized. It should be capable of removing solid and liquid aerosols 0 01 micron and larger. At room temperature a filtration system designed to handle air traveling at 500 std.

Pleated filters generally have higher efficiencies and lower pressure drops than panel filters which is why they are used in larger capacity units such as blower coils and high performance fan coils.