Suction Type Pneumatic Blasting Gun comes with blasting air hose and storage hopper assembly and pressure is not being created at any place, only suction is happening in the nozzle. The Pneumatic Blasting Gun will not work properly if any choke/ jam occurs and air directly passing through the gun, not being stored at any place. The Pneumatic Blasting Gun has hopper which is open to atmospheric air pressure only and nowhere pressure is being created in the equipment. Suction Type Pneumatic Blasting Gun is manufactured by Process Ekuipment Engineers.