Device for protecting a liquid from oxidation

摘要: Device for protecting a liquid (10) from oxidation inside container (1) comprising first means (5, 50) supplying the said (1), second (6, 60) outside and control unit (7). There being also provided pneumatic intended to produce an overpressure on when is supplied such that following decrease in volume of increase their by amount equal change (10). The comprise variable capacity tank (21) pipe (22) discharging fluid filling (21), there (3) which are connected (22). Moreover communicates with through connection placed at lower end (1).