Plug-and-play beer dispensing of the KeyKeg® concept adds a new dimension to the world of dispensing. The KeyKeg® is designed according  the bag-in-ball principle. The outside PET housing protects a flexible inner bag, which holds the beer. The content is dispensed by pressurizing the space between the bag and the ball.
 
The inner bag has a special evacuation strip which, together with the constant overpressure on the bag, ensures that the content is dispensed right down to the last drop of beer. The specially designed inner bag is odorless and tasteless and has superior barrier qualities. This allows dispensing beer using air instead of CO2 and, once the KeyKeg® is broached and dispensed from, the beer will stay fresh in the keg for many weeks.
 
KeyKeg can simply replace conventional kegs in conventional dispensing installations. There is a wide range of dispensers available, depending on the ambient conditions and the desired capacity. When emptied KeyKeg can be deflated by a special tool. Once the air has escaped, the empty keg takes up little or no space, so small outlets can use their storage space for full kegs only.