Fryer with perforated cover

Fryer provided with a containing structure inside which at least a frying basin is present, which is filled with oil up to a preset maximum level, each frying basin being provided with at least one drum for containing the food to be fried, the fryer further being provided with a perforated lid comprising pass through holes for the passage of vapour and gas going upwards and of condensed vapour going downwards and means for cooling and condensing vapour passing through said holes, and support means of said vapour cooling means, wherein the fryer further comprises a vapour flow regulating element, comprising a disc rotatably mounted on said intermediate plate and a plurality of protrusions, the number, position and dimensions of which are such to allow, in a first position of said flow regulating element, the closing at the same time of all the holes of the intermediate plate and, in a second position, the spacing of said disc out from said intermediate plate, and provided with a handle.