abbreviation of cornellius keg. A stainless steel tank, with gas in and liquid out posts that mate with quick disconnects for simple attachment and removal of hoses. 5 gallon capacity is the most common size used by homebrewers. Corny-kegs were most recognized in the soda industry for many years.
I've been using kegs as fermentors and 'no chill' vessels. With pressurized fermentation I'm getting so much less sediment and krausen, and actually I purge the yeast before and after transfer, so ...
I'm planning on build one cooler based dispensing system for my kegs. My previous experience was with a box with 2 aluminium coils (~15m long) and 2 faucets. It holds a 20 Kg ice pack. And the beer ...