FIELD: separation.
SUBSTANCE: invention relates to filter elements (1) made of a material permeable to a permeate and having a plurality of longitudinal ducts (3) with a cross-section which is a segment of rotationally symmetrical or mirror symmetrical surface (4). Filter elements (1) can be joined to form filter element composite (10). Filter elements (1) or filter element composite (10) can be used in filter device (11) for purifying or separating medium (7). Seals for filter element composite (10) and/or filter device (11) can be formed as a layer of compound (16), as individual seals (15), the shape of which differs from the shape of an O-ring, or as sealing elements (17) with lands (17.1) and cut-outs (17.2).
EFFECT: invention improves filtration performance.
12 cl, 11 dwg
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