Originally Posted by Funkenjaeger
No, AFAIK you cannot use the heineken ones, they have a proprietary built-in CO2 charged draft system... There are plenty of breweries making beers in the more basic type of mini-kegs (bung in the top, simple spigot) that could be reused, but heineken is different. This has been discussed a number of times before, try searching - I even recall a thread where someone dissected a heineken keg to try to determine if it could be made reusable.
Really? I thought they were all the same. I've bought many of Warsteiner German beer in mini-keg format with the built-in spigot. Looks just like a Heineken one.
I wonder how the Heineken min-keg is different?? Off to search....
Here it is... you're right, Heineken kegs are different: