A temperature regulation device for the strip (3) produced in a continuous casting plant with ingot mold (16) comprising a pair of cooled, parallel, counter-rotating rolls (2, 2'), closed by two plates at the axial ends of the rolls, includes a pair of substantially rectangular panels (5) placed symmetrically under the plane of the rolls axis, with its longest dimension substantially parallel to the axis of the rolls. Ducts (6, 8, 8') are provided which feed a series of jets (7) to spray cooling gas onto the strip surface (3).