The G-DI is a mechanical purge gun from Gamapur. It is installed with a mechanical self-cleaning system that is ideal for professional operators to provide an enhanced mixing quality. This gun is used in various systems such as Polyureas, chemical systems for polyurethane foaming and some two-component epoxy systems. The machine is flexible and offers various configurations to work with flows ranging from 0.5 kg/m up to 18 kg/min while achieving various fan shapes and widths. It also provides optimal precision and maximum finishing quality in “in situ” and industrial applications. The gun is lightweight and has an ergonomic design. It is maintained with ease because of its GAMA entry block.