This machine is specifically designed for beer keg washing and listerizing. The processes of cleaning, listerizing,and CO2 preparation of pressure can be done automatically. Control unit adopt Germany's Siemens LOGO! control the whole processes. All working processes are controlled by programing controller and all parameter are adjusted without stopping working. Have both washing and filling abilities. Easy operate, and by choosing the switches and replacement the clean heades can be realized in washing various fresh keeping beer keg and draft beer keg. The machine is save-water and save-electricity type, could cut down 50% water consumption. Main parts of Air-lines, connected by rigid joint, keeping long time usage and non-leakage. The material is stainless steel. Easy to operate, low labor demand, placidity work and good ability, the localization is safe and reliable.