Home Brew Forums > Home Brewing Beer > DIY Projects > Kettles, Mash Tuns, & Hot Liquor Tanks > Depressurizing used kegs
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Old 04-30-2007, 02:46 PM   #1
dixon72
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Default Depressurizing used kegs

I just scored 3 used kegs that my neighbor was throwing out... go me!!

However, I'm afraid my keg experience is limited to tapping them at parties. I am going to find a welder that may have a plasma cutter to cut the tops off. Two of the three kegs are still 1/2 full of beer.

My concern is how can I relieve the pressure on the kegs prior to cutting them open so I can live through the experience and enjoy more homebrew?

I guess this post is going to be two fold...My project with the 1st keg will be turning it into a boil kettle. I am a brewing n00b and have just finished my first NB extract brew this last weekend. Since I'm still extract brewing but would like to AG brew sometime, what would be the best option to use between a false bottom and something like a bazooka "T" screen?

Thanks in advance for any help/suggestions.

Cheers!
-Dixon


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Old 04-30-2007, 03:00 PM   #2
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I've read that you can simply press down the ball on the ball valve at the top of the keg to release the pressure. I've also heard that you want to put the keg on its side before doing this, or any beer left in it will blow out at you.


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Old 04-30-2007, 03:02 PM   #3
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got a pump tap? attach it, put a rubber band on the picknic tap and pump it dry.
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Old 04-30-2007, 03:04 PM   #4
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JeepGuy is right. I laid my kegs on the side and sat on top of them and pressed the butt end of a screwdriver down on the ball to release the pressure. This will help you avoid a nasty old beer spray.
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Old 04-30-2007, 03:10 PM   #5
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Wow! That was a fast couple of responses. Thanks a lot, I'll give it a shot.

-Dixon
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Old 04-30-2007, 09:41 PM   #6
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On all 3 of mine I just cut right in w/ my grinder. A little pressure released as I first cut through, but it wasn't anything to be alarmed with. I guess I don't understand the need to depressurize first.
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Old 04-30-2007, 09:44 PM   #7
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It's scary to start grinding into it knowing it has 10 PSI on it. I don't think anything bad would happen. I would just rather have it depressurized. Lay the keg down and drive a little finishing nail between the ball and seal. Let it vent.
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Old 04-30-2007, 10:23 PM   #8
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Quote:
Originally Posted by foppa78
...I laid my kegs on the side and sat on top of them and pressed the butt end of a screwdriver down on the ball to release the pressure. This will help you avoid a nasty old beer spray.
I did this exact thing...all except the lying it on the side part.

I actually ran home at lunch and couldn't resist doing something with my new keg.

Needless to say, I returned to work with a different shirt and my hair slightly matted to the side.
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Old 04-30-2007, 10:53 PM   #9
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Quote:
Originally Posted by JeepGuy
I've read that you can simply press down the ball on the ball valve at the top of it.
and make sure you are looking directly at it when you press it!!
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Old 04-30-2007, 11:01 PM   #10
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I just put a towel over it and pressed the ball. The towel keep you from taking a shower...


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