Annular sealing element for filtering cartridges, filtering cartridge comprising such element and fuel filtering unit comprising such cartridge

摘要

An annular sealing element (8;9) for filtering cartridges comprises a central body with a semicircular section and showing a plurality of holes (2), as well as two sets of lugs (4) staggered therebetween; a filtering cartridge comprises a tube (5), inner (8) and outer (9) annular sealing elements placed around the tube (5) and filtering baffle plates (7) placed between the inner (8) and outer (9) annular sealing elements, wherein the lugs of each annular sealing element are introduced in separating regions between lugs of adjacent annular elements, forming a loricated configuration; a fuel filtering unit, in particular for use in concealable direct refueling systems for aircrafts, comprises two sets of such filtering cartridges, horizontally placed, for coalescing and separating water from fuel. IMAGE