There is disclosed a filling valve (10, 10') for filling an article (2) with a pourable product, having a temperature higher than room temperature, comprising: a tank (6) fillable with said pourable product at said temperature higher than said room temperature; a first fluidic line (12) extending between said tank (6) and a pouring opening (14); a first valve (15) interposed along the first fluidic line (12), and displaceable between an open position and a closed position; a second fluidic line (20) fluidically connected with the first fluidic line (12) and with the tank (6); a second valve (41) interposed along the second fluidic line (20), and displaceable between a second open position in which it fluidically connects the tank (6) and the first fluidic line (12) through the second fluidic line (20), and a second closed position in which it prevents the fluidic connection between the tank (6) and the first fluidic line (12) along the second fluidic line (20); the second valve (41) is displaceable between the second open position and the second closed position independently of the pressure within the second fluidic line (20).