Abstract: A combustion head for burners, comprising an outer tubular body for channeling combustion air, an inner tubular body for channeling a fuel and a diffuser extending between the inner tubular body and the outer tubular body, said diffuser being disc-shaped and defining a slot for passage of the air between said diffuser and the outer tubular body. The outer tubular body has a lip 15 converging towards the main axis at the emission portion so as to define a narrowing of said slot for passage of the combustion air, so that for predefined flow rates of fuel and combustion air, the ratio of the velocity of the exiting fuel to the velocity of the combustion air exiting from the passage slot ranges between 1.8 and 3.

Abstract: Described is a device (11) for controlling the combustion of a burner (1), comprising: •first means (12) for measuring the fuel flow rate (Vg); •second means 13 for measuring the flow rate of the comburent (Va) •first operator means (14) for controlling the opening of an inlet valve (5) as a function of the quantity of fuel to be supplied to the burner (1); •second operator means (15) for controlling the comburent flow regulator means (8) as a function of the quantity of comburent to be supplied to the burner (1); According to this invention, the device (11) comprises a unit (16) for controlling the first operator means (14) and the second operator means (15) as a function of the values measured by the first measuring means (12) and by the second measuring means (13).