Godsdog
Landlord.
Its for whatever you want to keg as you have total control of how carbonated you want your ale,lagers or bitters to be to suit your tasteI think I have found what you mean So I presume once the beer has femated you use one of these as a prsure Barrel but the way I read it it looks like it is for Lager and not Bitters Or Have I got that wrong also saw this http://www.thehomebrewcompany.co.uk/a-used-corny-keg-19lt-ball-lock-p-2425.html
At one point I thought I had to watch a episode of coronation street:mrgreen: