| 摘要 |
<p>A multi-functional valve device (1) is described, for expelling humidity and saturated steam, adapted to operate, through the pressure difference existing inside building structures and adapted to be placed in recesses of building envelopes; the device (1) comprises: a first holding element (3) equipped with a first hollow duct (5) for communicating with outside the device (1); a second holding element (7) operatively coupled with the first holding element (3) and equipped with a containing seat (9), the second holding element (7) being further equipped with a second hollow duct (13) for communicating with outside the ' device (1); and an opening/closing element (11, 11', 15) of the device (1), the opening/closing element (11, 11', 15) being adapted to assume a closing position of the device (1) in which it is in contact with the first holding element (3) closing. the first hollow duct (5), the opening/closing element (11, 11', 15) being adapted to also assume an opening position of the device (1) in which it is not in contact with the first holding element (3) and communicates the first hollow duct (5) and the second hollow duct (13).</p> |
