Importance

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Abstract

The present invention relates to a device (1) for filtering a fluid circulating in a plumbing and heating system, comprising a body (2) defining therewithin a filtration chamber (3) that is destined to have a fluid to be subjected to filtration pass through it. The body is provided with a first inlet/outlet opening (10), a second inlet/outlet opening (20) and a third inlet/outlet opening (30): each of which sets the filtration chamber (3) in communication with the outside of the device and can be associated with a line of the system to receive therefrom, or send thereto a fluid entering or exiting said body of the device. The device operates a passage of fluid through the filtration chamber (3), in a selective manner according to a plurality of operative configurations, from an opening between said first (10), second (20) and third inlet/outlet opening (30) to a further opening between said first, second and third inlet/outlet opening. The device further comprises filtering members (40) housed inside the filtration chamber and interposed between the inlet/outlet openings to perform filtering of the fluid passing through the filtration chamber; the filtering members comprise a mechanical filter (41) arranged in the filtration chamber and structured so as to divide the filtration chamber into a first sub-chamber (A), a second sub-chamber (B) and a third sub-chamber (C), in which the first sub-chamber is in fluid communication, without passing through the mechanical filter, with the first inlet/outlet opening, the second sub-chamber is in fluid communication, without passing through the mechanical filter, with the second inlet/outlet opening, and the third sub-chamber is in fluid communication, without passing through the mechanical filter, with the third inlet/outlet opening.

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First Claim