The external cleaning is with the function of 3 stations detergent rinsing and 1
station pure water sprinkling. Quickly drive away existing dirt with brush. Make
the keg body look like brand new.
Fourth is of pre-wash station, which has seal or residual pressure testing,
residual drain, mixed water and caustic rinsing, caustic soaking and others.
Besides,the soaked caustic can be recycled for next section, completely
saving energy and reducing consumption.
Dedicated disinfectant and mixed water, hot water container, which all liquid
can be recycle substantially.