| 摘要 |
A compensation valve for balancing the pressure of environments, such as a cold room, in which the pressure is different from the pressure of an external environment, the environment at different pressure being bounded by walls (100), in at least one of which a through hole (F) is provided containing the valve body (1), which presents an internal passage (4) opening at one end (3) into the environment at different pressure and communicating via the opposite end (5) with the exterior of this latter, said valve comprising in the passage (4) a valve member (8) presenting at least one aperture (12) able to connect together said ends (3, 5) of the valve body (1), on this aperture there being provided a movable interception member (13); the aperture (12) is provided within a zone (11) of the valve member (8) lying in a horizontal plane (P) within the passage (4). |
