: How much pressure can a Keg hold?


Snoopy
08-12-2002, 05:25 PM
Alright...I'm finally getting Snoop together and decided that twin kegs is the way to go (cheap) on the gas and air tanks. I'm going to use the 15.5 gallon keg - gas in one...air in the other. My prob is that I'm not sure what pressure the Keg can hold.

Come'on I know someone here has done it...how much pressure can be stored in one of those things (read = safely). All I need is 120 psi, but I'd rather not have it errupt behind my head... I can see it now...
:cool: + :nuke: = :rasta: then :skull: as the crowd goes :eek:

ROCKTACO
08-12-2002, 06:08 PM
well concedering that a keg normily sees no more that 5 psi i dont think its a very good idea.As far as a gas tank goes that sounds like a jient mov-tov cocktail!

CJ
08-12-2002, 06:12 PM
Proably under 15 PSIG. Anything over that needs a ASME certifaction and there is no ASME plate on a Keg.

Buddha's Ghost
08-12-2002, 06:42 PM
Have you seen how easily a keg dents? Lightweight aluminum . I don't think I'd attempt to make an airtank from one.

oldjeep
08-12-2002, 06:42 PM
At 120 psi, all you're going to get is foam:D

Seriously though, no way it will hold that kind of pressure.

Snoopy
08-12-2002, 06:47 PM
SUCK!~ I had the same thoughts but wasn't sure...I guess I have to fab one...so much for the easy route.

Honkylips
08-12-2002, 06:49 PM
You could always get an airtank slightly smaller than a keg and put in inside the keg. You know, cut the bottom out of the keg and slip the airtank in. You could run the airlines through the wall of the keg so it looks like a keg airtank even though it isn't.

TPIJeep
08-12-2002, 06:53 PM
If you try to get it up to 120 psi, please stand back and PLEASE video tape it! :D

DirtBag7-11
08-12-2002, 07:04 PM
Interesting subject I have two eight gallon kegs on my 27 Chevy truck one for gas, one for air to run the horns I have had as much as 150 psi in it.
been doin it for twenty five years and nothins gone boom yet :flipoff2:

notcrazyjustNuTz
08-12-2002, 07:15 PM
Originally posted by oldjeep
At 120 psi, all you're going to get is foam:D

:laughing: :laughing: :laughing:

MAD MAC
08-12-2002, 07:30 PM
Have you seen how easily a keg dents? Lightweight aluminum
Uh most kegs we have ever had are made from 10 or 12 gage stainless steel??? maybe its this part of the country or they make both. My only reason for saying so is cause the one I have has the top cut out of it and we use it for deep frying turkeys and such outside. I would imagine that an aluminum keg may not like 500 degree peanut oil. I do agree with the old fella that a keg will work as long as its the stainless type.

That Mick
08-12-2002, 09:38 PM
Snoop.

for the love of GAWD DO NOT USE A KEG.

My practical experiance.

CO2+ Bad Regulator+Drunk Dummy (not me)= :nuked: keg+ MGD all over the place.

That was at about 100 psi.

Snoopy
08-13-2002, 09:05 AM
Originally posted by The Mick
CO2+ Bad Regulator+Drunk Dummy (not me)= :nuked: keg+ MGD all over the place.

raining beer?!?! ~ There are some that would call that a gift from god... Not me, I drink milk...:D

Ya, it seems like that's the consensous here....

Aggro
08-13-2002, 10:32 AM
You could take it out of your residential neighborhood and pump it to 120 psi, while videoing it. IF it holds, then shoot it and see what happens. If nothing else it will be fun. Another thing you could do is fill it 1/3 full of water and then add a lot of dry ice, then cap it off and stand way back while video taping it. DISCLAIMER: you could do the above, but I recommend highly against it.

RustoleumWhite
08-13-2002, 11:26 AM
well, seeing as you want to compete with this thing... aint no way in hell any sanctioning body would allow you to run keg for a fuel tank, let alone an air tank.


this the kind of cheap work you do at D&C????




(yes, I realise that was a cheap shot, but come-on, your a "fabricator" and "vendor" and you ask things like this for a competition and recrational buggy?!?!?)

Strange Rover
08-13-2002, 02:38 PM
I got a keg and it has a working pressure of 80 psi stamped on it. Iv blown it up to 110 psi no probs and I thenk that with a 80psi working pressure it would have to be tested to about 160psi so it would have to be good for your 120psi.

I dont know it this info is any good for you cause this is an Aussi keg and aussi beer is way stronger than your US stuff. Which reminds me why US beer similar to making love in a row boat - cause its phucking close to water :D

If you are going to pressure test this thing fill it up with water as much as you can then pressure it with air cause if it fails it will make less of a bang.

Sam

Buddha's Ghost
08-13-2002, 03:23 PM
Studies show: Aussie beer is crocodile piss with a yeast infection.:flipoff2:

Snoopy
08-13-2002, 05:26 PM
Originally posted by RustoleumWhite
this the kind of cheap work you do at D&C????
(yes, I realise that was a cheap shot, but come-on, your a "fabricator" and "vendor" and you ask things like this for a competition and recrational buggy?!?!?)

I didn't want to go there...this is not a competition rig, this is the completion of the Beater Buildup...read = EXTREMELY tight budget. Thats the point of the whole thing...what can I do for the least amount of money...

Sillyneck
08-13-2002, 05:40 PM
Originally posted by Snoopy

:cool: + :nuke: = :rasta: then :skull: as the crowd goes :eek:

BAHJAHAHAHHAHAHAHHAHAHA

jeepinchad
08-14-2002, 07:49 PM
Originally posted by DIRTBAG7-11
Interesting subject I have two eight gallon kegs on my 27 Chevy truck one for gas, one for air to run the horns I have had as much as 150 psi in it.
been doin it for twenty five years and nothins gone boom yet :flipoff2:

But when it does go boom, where is it in relation to where you are, and are you prepared to deal with the schrapnel it puts out? Had this talk with a bunch of truck drivers in a greasey spoon one night... a few of them had seen airbrake tanks fail, and they said it wern't perty.

Old Scout
08-14-2002, 08:00 PM
Originally posted by DIRTBAG7-11
Interesting subject I have two eight gallon kegs on my 27 Chevy truck one for gas, one for air to run the horns I have had as much as 150 psi in it.
been doin it for twenty five years and nothins gone boom yet :flipoff2:

Well they started out as 7.75 Gallon kegs! No such thing as a 8 gallon keg!

shaggyzukin
08-14-2002, 08:56 PM
I like the Idea of the keg for the gas tank. I've seen em used before for sand rails. If you want cheep, I've seen a roll cage used as an air resevior, if your trust your welding do it. Then again if you rolled it and it released the air, that would suck. Also as far as the keg being used for air, I should hope it has a release valve that would release before the keg would. Then again, if the release was set for 150psi and the keg lets loose at 100psi, I guess it would not do any good.
Shaggy

MR4WD
08-14-2002, 11:28 PM
You'd need massive volumes of Air to make anything explode as such. Having shot air tanks as a kid and seeing things full of air burst I can say it doesn't do much damage. Truckers are like fisherman, they over exagerate everything. However, at work I've seen platforms made for launching full Oxygen bottles clean across the river, which works out to about 3/4 mile. We're talking many hundreds of PSI, not 100 PSI. Also, when an air tank ruptures it'll usually split and give more of a concussion shock rather than an "explosion". Confusing compressed beer with compressed air can lead to the wrong impression since fluid dynamics are vastly different than a compressed air burst. Honestly, if you have the resources I'd say fill up a keg to 120 PSI and throw it down a cliff or out of a moving vehicle and see what happens. I'd bet nothing, as long as the fittings stay intact. I'd be scared to fill up a keg with even as much as 50 PSI of water and try the same thing. When you make this air tank, be sure to install a relief/check valve so as not to exceed your highest tested pressure when it's under the sun, or if it's generally hotter than the time at which you filled it. Also, throwing a fire blanket around it, or at least shielding it from the general area in which you are located wouldn't be un-warranted either.

Using a Keg as a gas tank is an idea, but perhaps not the best. It's like anything though, done well and properly secured it would work fine. You'd have an awful lot of fuel sloshing around back and forth on a (perhaps?) light vehicle and mounted high up, that could be a problem.

Aaron871
10-18-2006, 05:09 PM
Has there been any further testing?:bounce2: :bounce:

LandCroozer
10-18-2006, 05:17 PM
Wow. Reviving a thread after 4 years, 2 months and 4 days. For that.

-t

grtmtbiker
10-19-2006, 03:49 AM
We used to make soda bottle rockets and charge them to 120 psi, if a 2 liter soda bottle can take it repeadly Id bet a keg could take it no problem

grtmtbiker
10-19-2006, 03:49 AM
We used to make soda bottle rockets and charge them to 120 psi, if a 2 liter soda bottle can take it repeadly Id bet a keg could take it no problem