Do kegs have to be cylindrical ? - Home Brew Forums
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Old 06-09-2008, 09:39 PM   #1
Bigpete9000
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Just thinking out loud ... but do Kegs have to be cylindrical ? Since the corny's most everyone uses were designed to hold soda at much higher psi that beer ever needs to be at , could you not made a rectangular corny that would be fine under 15-20 psi without to many issues ? or would even that little be no good and blow it apart ?


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Old 06-10-2008, 01:52 PM   #2
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If you use the right materials (and thickness) and your welds are good and strong I don't see why you couldn't hold whatever pressure you desire, but it's going to cost more than a used corny


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Old 06-10-2008, 02:04 PM   #3
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I believe kegs are round due to the simplicity of building them. One weld down the side, top and bottom. With a square keg you have 4 welds down the side, top and bottom. Although a square keg would make for much more efficient use of space its just not economical for large scale production. But could work!

 
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Old 06-10-2008, 02:45 PM   #4
salzar
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It has to do with stress, and wall thickness. A cylinder has symmetrical even stress along the circumference. For a Square you would need thicker material, and would have uneven stresses for corners and walls. I am sure one could be built. But cylindrical storage tanks are standard, in must storage of pressurized fluids.

Not to mention you can get cornys cheap.

 
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Old 06-10-2008, 02:54 PM   #5
jfrizzell
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So, where do you find the "cheap" cornies these days? I have two that I got for a fair price last year and I'd like to get another 2 or 3, but I'm just not finding any good deals. I'm seeing prices around $30-40 each with shipping. Maybe that is "cheap" now...

 
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Old 06-10-2008, 03:04 PM   #6
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Quote:
Originally Posted by jfrizzell View Post
So, where do you find the "cheap" cornies these days? I have two that I got for a fair price last year and I'd like to get another 2 or 3, but I'm just not finding any good deals. I'm seeing prices around $30-40 each with shipping. Maybe that is "cheap" now...
Unless you find the rare deal on CL or buy a bulk load from somewhere you are absolutely right. I pay $35 from my LHBS. Although I haven't tried this yet, you might talk to some soda distrubutors in you area and see if they have some old ones laying around. Even if you had to put some work into them you have the chance of coming out ahead.

Depending on where you live, these guys might work out a bit cheaper.
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Old 06-10-2008, 03:23 PM   #7
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You can check out this. I think $20 for a corny is a pretty good deal. I have not ordered from them before but I was thinking about ordering 4 very soon.

 
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Old 06-10-2008, 03:26 PM   #8
blacklab
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Cleaning. Something with corners will be harder to keep clean and sanitary.

 
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Old 06-10-2008, 03:31 PM   #9
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Quote:
Originally Posted by Meyer817 View Post
You can check out this. I think $20 for a corny is a pretty good deal. I have not ordered from them before but I was thinking about ordering 4 very soon.
In this situation, it looks like you are paying for the tank but would still have to buy new O-rings, and potentially other parts before they would be functional.

Has anybody ordered from them before?
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Old 06-10-2008, 04:19 PM   #10
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check out www.kegconnection.com and look at their 'B list' kegs.....pretty cheap thats what I went with ....



 
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