Keg filling machine with single , double heads 1. Specification Model GZ03 GZ04 Filling heads 1 head 2 heads Size of plat form ... electricity 220V 3. The main framework: Frame , the electrical control system , solenoid pilot actuated valve ,pneumatic components , systems back to ... steel , palstic storage barrels and Zhapi barrels) of the filling . The machine can finish filling work automatically.