The invention relates to equipment (100) for manufacturing containers from preforms made of a thermoplastic material, said equipment (100) comprising at least: a molding machine (102) which comprises at least one molding device (10) comprising a mold (12) having a main axis (O), said mold (12) comprising at least two mold elements (14, 16, 34), each of which is provided with a molding surface (18, 36) and which are movably mounted between an open position and a closed position of the mold; and a device (40) for decontaminating at least one mold (12) supported by a molding device (10) of the machine (102), said decontamination device (40) combined with the machine (102) comprising at least an ultraviolet irradiation means (42), characterized in that said decontamination device (40) comprises a means (46) for driving said ultraviolet irradiation means (42), which is controlled so as to selectively insert said irradiation means (42) between said at least two mold elements (14, 16, 34) constituting the mold (12) of the molding device (10).