The Carlsberg Flask

is a 25-litre vessel system designed for the propagation of yeast cultures in a sterile environment and the transfer of the pure yeast culture under  sterile conditions ensuring contamination-free culture development and transfer.
It is primarily used in breweries, but may also be used for other similar tasks within yogurt production, biotech or the pharmaceutical industry.

The Carlsberg Flask system is designed to provide a method to grow cultures under ideal conditions in a sterile environment minimizing or eliminating unwanted agents from acting on the culture growth. The system is designed of stainless steel and food grade materials, with valving, instrumentation and components to effectively grow the cultures and transfer them in a sterile condition.

The term “flask” is used to designate the entire system, whereas the term “vessel” only refers to the 
container or the tank.