Please note this thread has been inactive for 90 days. For the best results, please start a new thread.
Results 1 to 19 of 19
  1. #1
    Commander
    Join Date
    Jul 2002
    Location
    St. Louis
    Posts
    2,644

    Default Beer Keg pressure before Exploding?

    Laws have changed, now have to "register" when you get a keg of beer, so many days to return empty bla bla bla, big brother being stupid, not going into THAT...Anyway,Have 2 Half Barrels and a pony keg that are now basically worthless. They go for about $20 on ebay. But would be worth more than that to ME as air pressure tanks.So the question, how much pressure can these suckers take? can't find anything online becuase google is SO full of homebrew info I can't find the info I need.From what I've read and can tell, I would think 125-150 would be no problem, but I'd like to KNOW before I assume and have it blow up when my kid is next to it.If they can handle the pressure, I was going to stick them up in the attic since the skuttle is in my garage... would finally give me enough tankage to use the sandblaster.

  2. #2
    Moderator Bondo's Avatar
    Join Date
    Apr 2002
    Location
    The Mouth of the Chaumont River, Ny.
    Posts
    52,604

    Default Re: Beer Keg pressure before Exploding?

    I've got a couple laying around......I've also cut up a few.....I Can't Believe they won't take 200psi or Better................I've used old burnt out ele. hot water heaters to do what you're looking to do...... Welded All the holes closed, except the 1 I needed.... They worked Great.........I've got 2 100lb. Propane Tanks I'm using Now.......
    Any Grease is Better,..... Than No Grease at All.......

  3. #3
    Supreme Mariner roscoe's Avatar
    Join Date
    Oct 2002
    Location
    Medford WI
    Posts
    18,127

    Default Re: Beer Keg pressure before Exploding?

    Register to get a keg?I think we are all registered for kegs in WI, at the hospital just before they take the footprints of our feet.So if you buy a keg and the party is a flop, than it takes you an extra few weeks to use it up, they won't take back the empty?Whats the basis/origin of this stupid "law"?Sounds like a good reason to drink more.




  4. #4
    Vice Admiral Scaaty's Avatar
    Join Date
    May 2004
    Location
    West Coast (PNW) Salty Dog
    Posts
    5,099

    Default Re: Beer Keg pressure before Exploding?

    I have converted quite a few old propane tanks to portable air tanks....real easy.

  5. #5
    Lieutenant Commander
    Join Date
    Mar 2003
    Location
    wisconsin
    Posts
    1,794

    Default Re: Beer Keg pressure before Exploding?

    Sorry, no pertainant info on the PSI ratings but, one thing I'd do is install a drain valve on the bottom of the tank if you plan on using it for a while.moisture and air tools don't go too well together.

  6. #6
    Commander
    Join Date
    Jul 2002
    Location
    St. Louis
    Posts
    2,644

    Default Re: Beer Keg pressure before Exploding?

    Yeah, would have to add drains.Looking for a good dryer to add to the system, for now, I just oil the heck out of the tools and hope for the best. It's amazing how fast the bottom of the pressure tank gets moisture

  7. #7
    Captain
    Join Date
    May 2002
    Location
    back woods upstate NY
    Posts
    3,144

    Default Re: Beer Keg pressure before Exploding?

    I did a search and found the maximum safe pressure for beer kegs is 130psi. However I also found that very few fail below 300psi and the stainless steel ones can withstand up to 1000psi. Personally I do not recommend using beer kegs as pressure tanks.
    OMC

  8. #8
    Lieutenant Commander
    Join Date
    Sep 2001
    Location
    Idaho
    Posts
    1,862

    Default Re: Beer Keg pressure before Exploding?

    If you had ever seen a pressure tank fail, you wouldn't even think about jerry-rigging with air pressure. I agree with OMC, if it ain't made for air-pressure, don't use it. just some friendly advice

  9. #9
    Commander
    Join Date
    Jul 2002
    Location
    St. Louis
    Posts
    2,644

    Default Re: Beer Keg pressure before Exploding?

    The 130 rating I've seen is for the 5gallon soda kegs...from what I've read, the stainless steel ones are put under incredible tests when they are cleaned and going for the next refill. It would make sense for them to be able to handle 1000 psi, because if a regulator broke, the CO2 tank would send 800 psi to the beer keg, and I would see lawsuits everywehre. And ya know it's had to have happened where a keg got pressurized without a working regulator, and I've never heard of it.Chief.... I won't be messing around until I know the facts. I play with explosives as a hobby, but don't plan on adding pneumatic explosives to the list.

  10. #10
    Moderator Bob_VT's Avatar
    Join Date
    May 2001
    Location
    West Rutland, Vermont, United States
    Posts
    24,364

    Default Re: Beer Keg pressure before Exploding?

    Wait ndemge, don't you mean the CO2 has the ability for 800 PSI but the regulator cuts that way back.If you are looking for a tank for pressure ... a propane tank is best. The old beer kegs do make great moorings for the lake.Bob
    This is a great link to boat specifications http://boatspecs.iboats.com/
    Please, shop iboats first!!


  11. #11
    Commander
    Join Date
    Jul 2002
    Location
    St. Louis
    Posts
    2,644

    Default Re: Beer Keg pressure before Exploding?

    Yes, the CO2 has the ABILITY to presureize the tank to 800....... so what happens when the regulator fails and sends all that pressure down the lines?i'm keeping my eye out for a 500 gallon propane tank, but haven't seen one localy on ebay yet.

  12. #12
    Lieutenant Junior Grade
    Join Date
    Oct 2004
    Posts
    1,235

    Default Re: Beer Keg pressure before Exploding?

    The co2 (and some are a mix of co2 and nitrogen) tanks that most bars and clubs use, arrive at 1500 psi. They are regulated down to about 22-30 psi. The usda food grade lines that most places use could not possibly withstand more than 100-150 psi without bursting, therefore even with a failed regulator I don't see any way for a keg to get preasurized anywhere near 800 lbs. As an additional safety device, the keg adapters have a preasure relief valve built into them.If I HAD to use a keg for air, I could see maybe 100-125 psi. There is no way I would consider going over that.

  13. #13
    Captain
    Join Date
    May 2003
    Location
    Long Island NY
    Posts
    3,929

    Default Re: Beer Keg pressure before Exploding?

    Go with propane tank for sure.I have had one for yeeeeears and it takes all the pressure you can give it.I have also used empty freon tanks which are much lighter.Charlie

  14. #14
    Commander
    Join Date
    Jul 2002
    Location
    St. Louis
    Posts
    2,644

    Default Re: Beer Keg pressure before Exploding?

    Finally got an answer from someone in the business>>>>>>>>>>>>&g t;>>>>>>>>>It's about 507 psi when the burst disc built into some kegs will explode. Typically the fittings etc. will release pressure before the keg itself will explode. Freezing is another concern as ice build up will burst anything. Best regardsRichard WagnerKeg Club Inc. / Schaefer Kegs / Vin Service>>>>>>>>>>>>&g t;>>>>>>>>>

  15. #15
    Moderator Bondo's Avatar
    Join Date
    Apr 2002
    Location
    The Mouth of the Chaumont River, Ny.
    Posts
    52,604

    Default Re: Beer Keg pressure before Exploding?

    i'm keeping my eye out for a 500 gallon propane tank, but haven't seen one localy on ebay yet.
    If you can find the Right Person to talk to,The Propane companies around here will Give you the 1s headed for the Scrap Yard........Or,Look at the Scrap Yards around your area..........
    Any Grease is Better,..... Than No Grease at All.......

  16. #16
    Petty Officer 1st Class
    Join Date
    Jan 2004
    Location
    Co. Monaghan, Ireland
    Posts
    283

    Default Re: Beer Keg pressure before Exploding?

    A guy in my college used a beer keg to make poitÃ*n (moonshine). He filled it with the mixture (potatoes, sugar and something else) and brewed it up with a gas flame under it for a few hours. We were all waiting for the pressure to make the thing explode, but it worked fine....

  17. #17
    Seaman
    Join Date
    Nov 2004
    Location
    SW Florida
    Posts
    54

    Default Re: Beer Keg pressure before Exploding?

    Just what are you trying to hold pressure for? And what gas or fluid to you hope to pressurize?Is is caustic to the aluiminum?If you're looking for air pressure - go to a dive shop - get real dive tanks & a regulator. Remember air is wet & caustic. These tanks by law are required to be hydrostaticly tested every 7 yrs.If you're looking for Co2 - go to a welding gas supply house - they'll fix you up. Co2 is ok for blowing out drain lines but extremly wet.If you're looking for a dry / inert gas - choose NITROGEN. Available at weldeing supply houses. It's cheap & easy to handle with small cylinders & pressure up to 500#NEVER - EVER use freon. Freon (a trade name)is a gas that will displace all oxygen. It can & has killed people in the wrong hands. Also, if ever exposed to an open flame it changes to phosgen(sp) used in WW1 for mustard gas. Freon is also so small So - just say no.Pressure can be deadly -- DO NOT use old freon cans, they are designed for one time use, made from cheap thin steel & have a blow plug that will blow @ aprox 200#. Contractors are required by law to punch the blow plug when they're done to be sure they are not reused. If one fails being "reused" -- somebody will be holding the bag.If you are hell bent to use the old beer kegs... at least install a blow valve, like one used on air compressors to only allow a max pressure of _?_ .Be carefull - get the right stuff, it's not worth hurting somebody. And remember, the product in the keg will expand w/ temp.

  18. #18
    Commander
    Join Date
    Jul 2002
    Location
    St. Louis
    Posts
    2,644

    Default Re: Beer Keg pressure before Exploding?

    SNookster..... was only going to use the keg to hold air pressure..... just that, add more capacity to my current air system.Fabricator's motto:"I'm not going to spend 20 bucks on something I can make for $50"

  19. #19
    Seaman
    Join Date
    Nov 2004
    Location
    SW Florida
    Posts
    54

    Default Re: Beer Keg pressure before Exploding?

    Air, like to blow up tires?If so - limit your PSI to 150# & install a high pressure relief valve like the ones on air compressors.Depending on your application, a drain fitting from the bottom of the tank to relaese condensation would be a good idea. Remenber if size is a concern, the nitrogen tanks are available in very small sizes (look like a small fire extingusher) & have up to 500# capacity Good luck & be carefull.Good luck - be

Similar Threads

  1. BEER !!!
    By scrapper in forum Dockside Chat
    Replies: 10
    Last Post: July 6th, 2006, 05:40 PM
  2. Suzuki 250 Exploding Flywheel
    By JohnGian in forum Yamaha & Suzuki Outboards
    Replies: 2
    Last Post: May 17th, 2005, 04:21 AM
  3. exploding spark plugs!??
    By skierrrr in forum Mercruiser I/O & Inboard Engines & Outdrives
    Replies: 31
    Last Post: March 19th, 2005, 02:11 PM
  4. Beer
    By LadyFish in forum Dockside Chat
    Replies: 19
    Last Post: July 17th, 2004, 07:25 PM
  5. Beer.....bEER.....BBEREEEREREEER
    By grant1973 in forum Dockside Chat
    Replies: 3
    Last Post: May 19th, 2004, 09:46 AM
  1. iboats Forum Directory - Over 100,000 forum posts organized by topic