Using a plasma cutter for cutting top of Sanke keg - Home Brew Forums

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Old 04-28-2011, 02:22 PM   #1
Jul 2010
Hattiesburg, MS
Posts: 106
Liked 3 Times on 3 Posts

I have my 3 sanke kegs and have marked the circle where I want the tops to be cut out. Now I am looking for someone with a plasma cutter to cut the holes.

What specific skills should I be looking for besides the ability to follow a curved line? Should the keg be filled with water before cutting to avoid bits of ss metal attaching to the inside of the keg?


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Old 04-28-2011, 02:29 PM   #2
Misplaced_Canuck's Avatar
Jan 2011
NE Columbia SC - Formerly, Montreal Canada
Posts: 2,886
Liked 166 Times on 134 Posts

1) Drill a small hole on the top, in the portion that will be cut off. This will release pressure.

2) If the keg is empty, enlarge the hole and put in a couple gallons of water.

3) For the circle... just put the plasma cutter nozzle against the riser part of the keg.

Originally Posted by Misplaced_Canuck
Carbonic bite? Is that like the bubonic plague?
Originally Posted by ebstauffer
Needless to say after more than a few drams my mental efficiency matched my mashing efficiency.

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Old 04-28-2011, 06:15 PM   #3
Apr 2011
., Connecticut
Posts: 1,497
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just so you are aware before you start cutting- a grinder with an easy-to-make jig leaves a much nicer circle, cleaner edges, and no rusty slag stuck to the inside of your keg. you might want to consider it. ive seen some terrible looking plasma cuts and am glad i tried the grinder first when i did mine. i certainly couldnt make them look as nice as they ended up if i had went with plasma.

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Old 04-28-2011, 06:52 PM   #4
Aug 2010
North Olmsted, Ohio
Posts: 916
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I did mine free hand & it came out perfect. I tried the jig, but it was too cumbersome. Slow & steady wins the race.


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