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Thread: oxygen permeability of sankey kegs

  1. #1
    Join Date
    Sep 2016
    Location
    Hanover
    Posts
    7

    oxygen permeability of sankey kegs

    While I know the SS is zero, what type of gasket material is typically used? Anyone have any numbers, before I go ahead and do the math?


    Thanks

  2. #2
    Join Date
    May 2012
    Location
    Livermore, CA
    Posts
    521
    So long as the seals aren't silicone, the permeability coefficient is fairly low. In practice, we have seen for all intents, zero TPO pickup from beer in kegs out to 6 months. This is a rare thing for us to test since we do not have kegs that last that long frequently. In fact, we held onto it for some worst case stability testing. If you are having oxygen issues, it is far more likely that it is the keg purge or some other process that is causing it.

  3. #3
    Join Date
    Aug 2010
    Location
    Enterprise, Oregon
    Posts
    1,664
    We recently cleaned out the "archive" in our cooler. This was kegs of some of our big beers, some going back almost twenty years. We sampled each keg to determine its fate--toss it or serve it. While there were some changes in flavor, good, bad, and indifferent, there was no evidence of oxidation.
    Timm Turrentine

    Brewerywright,
    Terminal Gravity Brewing,
    Enterprise. Oregon.

  4. #4
    Join Date
    Aug 2012
    Location
    Asheboro, NC
    Posts
    66
    Quote Originally Posted by TGTimm View Post
    We recently cleaned out the "archive" in our cooler. This was kegs of some of our big beers, some going back almost twenty years. We sampled each keg to determine its fate--toss it or serve it. While there were some changes in flavor, good, bad, and indifferent, there was no evidence of oxidation.

    I would like to hear more about this fun event.

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