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Standard [CURRENT]

DIN EN ISO 29461-1:2014-03

Air intake filter systems for rotary machinery - Test methods - Part 1: Static filter elements (ISO 29461-1:2013); German version EN ISO 29461-1:2013

German title
Luftfiltereinlasssysteme von Rotationsmaschinen - Prüfverfahren - Teil 1: Statische Filterelemente (ISO 29461-1:2013); Deutsche Fassung EN ISO 29461-1:2013
Publication date
2014-03
Original language
German
Pages
80

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Publication date
2014-03
Original language
German
Pages
80
DOI
https://dx.doi.org/10.31030/1921386

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Overview

Once this standard is designated a harmonized standard in the Official Journal of the European Union, a manufacturer applying this standard may assume compliance with the requirements of the Machinery Directive (the so-called "presumption of conformity"). DIN EN ISO 29461-1 specifies methods and procedures for determining the performance of particulate air filters used in air intake filter systems for rotary machinery, for example stationary gas turbines, compressors and other stationary internal combustion engines. The standard applies to air filters having an initial particle efficiency up to 99,9 % with respect to 0,4 µm particles. Filters with higher initial particle efficiencies are tested and classified according to other standards (for example EN 1822). These procedures are intended for filters which operate at flow rates within the range from 0,25 m3/s (900 m3/h) up to 1,67 m3/s (6 000 m3/h). The standard refers to static (barrier) filter systems but can be applied to other filter types and systems in appropriate circumstances. Two methods of determining the efficiency are used: - particulate efficiency (measured with respect to particle number and size); - gravimetric efficiency (percentage weighted mass removal of loading dust). Also a flat sheet media sample or media pack sample from an identical filter is conditioned (discharged) to provide information about the intensity of the electrostatic removal mechanism. After determination of its initial particle efficiency, the untreated filter is loaded with dust in steps until its final test pressure drop is reached. Information on the loaded performance of the filter is then obtained. The performance results obtained in accordance with this standard cannot be quantitatively applied (by themselves) to predict performance in service with regard to efficiency and lifetime. Other factors influencing performance to be taken into account are described in the annexes. EN ISO 29461 consists of the following parts, under the general title "Air intake filter systems for rotary machinery - Test methods": - Part 1: Static filter elements cleanable (pulse jet) and surface loading filters, mechanical integrity of filter elements, in situ testing, marine and offshore environment filter systems, and cleanable (pulse jet) filter elements will form the subjects of future parts. This standard contains the German version of EN ISO 29461-1:2013 which has been prepared by Technical Committee ISO/TC 142 "Cleaning equipment for air and other gases" in collaboration with Technical Committee CEN/TC 195 "Air filters for general air cleaning". The national interests during the preparation were represented by Committee NA 060-09-21 AA "Luftfilter" (SpA CEN/TC 195 und ISO/TC 142) ("Air Filters" (Mirror Committee to CEN/TC 195 and ISO/TC 142)) of Section Allgemeine Lufttechnik ("General air technology") of the Mechanical Engineering Standards Committee (NAM) at DIN. Representatives of manufacturers and users of air filters, and of research and testing institutes contributed to this standard.

Content
ICS
29.160.99
DOI
https://dx.doi.org/10.31030/1921386

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