| 摘要 |
<p>A fuel filter comprising an external casing (2) provided with at least an inlet mouth (22) and an outlet mouth (23), and a filter cartridge (3) contained internally of the casing (2), such as to filter the fuel which flows from the inlet mouth (22) towards the outlet mouth (23), the filter cartridge (3) comprising two support elements (32, 33) between which at least two distinct cylindrical filter walls (30, 31) are interposed and retrained, which two filter walls (30, 31) are destined to be crossed in series by the fuel flowing from the inlet mouth (22) towards the outlet mouth (23) of the external casing (2), the filter wall (30) located more upstream with respect to the flow direction of the fuel having a lower filtration efficiency than the other filter wall (31).</p> |
