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Old 07-27-2010, 07:15 PM   #1
San_Diego_Matt
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Default gas leak at keg connection

So I just kegged an American Brown this past weekend. Everything went well with the transfer and I was, for the first time, able to do a closed transfer from my carboy (better bottle) into the beer out side of the keg.

I got everything cleaned up and suck the gas on the gas in side to give it a little pressure to seal the keg up before sticking it in the fridge to condition for a bit while I drink the other 3 kegs in there that are ready to go.

I have pin lock kegs and I put the gas disconnect on the post and can hear it leak. It doesn't leak when it's not on the post and it doesn't leak when on a post from another keg. The keg holds pressure too because I lifted the PRV pin and it hissed away.

I have 2 CO2 bottles with regulators on them so I grabbed the other one, set the pressure at 12.5PSI, connected another disconnect, connected it to the post and it too leaks.

So I have a keg that leaks when the gas is connected to it. I'm not sure what's leaking to be completely honest. I wiggled the disconnect around a bit and could not get it to seal up. I recently had beer in this keg too and it worked fine. I broke it down, cleaned/sanitized everything and replaced all the seals before adding the brown to it. The seals I used were the bulk ones you can get from McMaster Carr.

Anyone have any suggestions?

TIA

Matt



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Old 07-27-2010, 07:27 PM   #2
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Quote:
Originally Posted by San_Diego_Matt View Post
So I just kegged an American Brown this past weekend. Everything went well with the transfer and I was, for the first time, able to do a closed transfer from my carboy (better bottle) into the beer out side of the keg.

I got everything cleaned up and suck the gas on the gas in side to give it a little pressure to seal the keg up before sticking it in the fridge to condition for a bit while I drink the other 3 kegs in there that are ready to go.

I have pin lock kegs and I put the gas disconnect on the post and can hear it leak. It doesn't leak when it's not on the post and it doesn't leak when on a post from another keg. The keg holds pressure too because I lifted the PRV pin and it hissed away.

I have 2 CO2 bottles with regulators on them so I grabbed the other one, set the pressure at 12.5PSI, connected another disconnect, connected it to the post and it too leaks.

So I have a keg that leaks when the gas is connected to it. I'm not sure what's leaking to be completely honest. I wiggled the disconnect around a bit and could not get it to seal up. I recently had beer in this keg too and it worked fine. I broke it down, cleaned/sanitized everything and replaced all the seals before adding the brown to it. The seals I used were the bulk ones you can get from McMaster Carr.

Anyone have any suggestions?

TIA

Matt
I sounds as if the gas fitting on your pin lock keg needs to be replaced because the gas disconnects from your CO2 tanks are not mating properly with it anymore.
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Old 07-28-2010, 08:26 PM   #3
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is this a common occurence?

Granted I don't know how old the kegs are and how they were used in the past, but it seems like it'd take a long ass time for plastic disconnects to wear down a stainless post.

Should I at least change the post seals before plunking down coin for new posts?

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