Vertical forming-confectioning machine for packaging granular or powdered products in bags of two or three layers laminate (polyester, aluminium, polyethylene) starting from film in rolls. Packaging in atmosphere or, upon request, with injection of inert gas. Machine functions programmed and controlled by PLC with TOUCH-ON screen. Weighing system with load cells and two vibrating channels. The welding elements guarantee a perfect and uniform seal, with hot-impression of the expiry-date up to 16 characters (expiry date, etc). Machine predisposed for mounting a flavour-saving valve application device. Transport-belt for collecting exiting bags. Support shaft for film-rolls with pneumatic locking. Automatic film aligning with servo motors. Notch reader. Possibility of changing the dimensions of the bags with additional form-fill tubes on request.