Abb Flakt Ab

Peder Evers

Stig Toreklsson

Lars Johnsson

A filtering apparatus for an air treatment apparatus ( ), a superior purity of the filtered air being required. The apparatus has a plurality of filter cartridges ( ), provided with filters ( ) and inserted into one cassette ( ) each. The cassettes are fastened in the air treatment apparatus and the filter cartridges ( ) have, on their side, which is turned towards the incoming air stream, a seal ( ), which extends in an axial direction and around the periphery and axially abuts a surface, which is oriented radially in relation to the air stream and the apparatus or the like respectively and which surrounds an outlet opening ( ), defined by each filter cartridge. According to the invention the surface has a sealing sheet ( ), which with the exception of the opening and openings ( ) respectively is disposed in a continuous radial sealing cross section-plane through the entire air treatment apparatus or the like ( ) and extends outwards in a radial direction through the outer wall ( ) of the apparatus at a joint ( ).

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Jönköping, Sweden

Peder Evers