Magnetically actuated valve, in particular for a mixing apparatus, comprising: - mechanical means (46, 47, 48, 49, 50, 51, 53, 56, 59, 62) for opening and closing the valve, so as to be capable to occlude and clear, respectively, a mouth of a duct mounted downstream of the valve, - at least one ferromagnetic metal pin mobile between a rest position and an operating position along its own longitudinal axis, and - at least one activation magnet mobile between a first position and a second position, said mechanical means (46, 47, 48, 49, 50, 51, 53, 56, 59, 62) being capable to interact with said at least one ferromagnetic metal pin so that when said at least one ferromagnetic metal pin is in a primary position, selected between said rest position and said operating position, said mechanical means (46, 47, 48, 49, 50, 51, 53, 56, 59, 62) closes the valve, and when said at least one ferromagnetic metal pin is in a secondary position, selected between said rest position and said operating position and different from said primary position, said mechanical means (46, 47, 48, 49, 50, 51, 53, 56, 59, 62) opens the valve, said at least one activation magnet being capable to magnetically interact with said at least one ferromagnetic metal pin so that when said at least one activation magnet is in said first position said at least one ferromagnetic metal pin is in said primary position, and when said at least one activation magnet is in said second position said at least one ferromagnetic metal pin is in said secondary position, the valve further comprising sliding mechanical means (63, 64, 65, 66, 67, 68) comprising a slide integrally coupled to said at least one activation magnet and mobile between an initial position and a final position, whereby said at least one activation magnet is slidable between said first and second positions on a plane orthogonal to said longitudinal axis of said at least one ferromagnetic metal pin so that when said sliding mechanical means (63, 64, 65, 66, 67, 68) is in said initial and final positions said at least one activation magnet is, respectively, in said first and second positions, said at least one activation magnet being shaped so as to comprise a slot capable to slide around said at least one ferromagnetic metal pin so that when said sliding mechanical means (63, 64, 65, 66, 67, 68) is in a non-interacting position, selected between said initial and final positions, said at least one ferromagnetic metal pin is in said rest position wherein said at least one activation magnet does not interact with the same, and when said sliding mechanical means (63, 64, 65, 66, 67, 68) is in an interacting position, selected between said initial and final positions different from the non-interacting position, said at least one ferromagnetic metal pin is moved in said operating position by an interaction with said at least one activation magnet. - mechanical means (46, 47, 48, 49, 50, 51, 53, 56, 59, 62) for opening and closing the valve, so as to be capable to occlude and clear, respectively, a mouth of a duct mounted downstream of the valve, - at least one ferromagnetic metal pin mobile between a rest position and an operating position along its own longitudinal axis, and - at least one activation magnet mobile between a first position and a second position,