Keg Posted on 4th December 201518th May 2021 by ThePD (The Project Definition) A Keg is a small barrel for beer, approximately 20 ~ 60 litres, typically a DIN or Euro keg is 50 litres. Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on LinkedIn (Opens in new window) Related Posted in Engineering and tagged english, property, unit, volume. ThePD (The Project Definition) ThePD has been developing the Preferred Project Definitions based on the actual project execution and operation experiences and knowledge with the Project Language, and sharing with you daily basis.