Sterilizing unit for food or pharmaceutical products, packaged in rigid or flexible containers, comprising at least one autoclave (1) arranged vertically and in which is positioned, through at least one access door (10, 11), the least one container (12, 13) into a tray in which said containers have been arranged through a unit charge-discharge (23), said autoclave (1), inside, vertical conveying means subjected, through means adapted (8, 9), a step for loading and unloading said container (12, 13) through said gateway (10, 11), characterized in that said vertical conveying means consist of progression engines at least three vertically arranged augers.
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