This machine cleans the surface of the gas jar and removes its adhesive design, no materials, such asiron dross, old oil paint and so on. Excpet theat, it can clean (250-340)cylinder and length(600-800mm)workpiece. This machine has good operating, sound ground hole and easy installation. Technical parameters Cleaned workpiece size: 320X600mm Vontilation volume: 4000m/h Cleaning volume: 160KG/min Weight of machine: 4001, 6KG Full power: 24, 8 Dimensions of machine: 6520