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-   -   leaking corny keg at rubber (http://www.homebrewtalk.com/f35/leaking-corny-keg-rubber-386148/)

KnotHeadGrady 01-31-2013 05:51 AM

leaking corny keg at rubber
 
Hey guys I am very disappointed to find out that two of the corny kegs I just bought are leaking. I filled them with water and the water was trickling out of where the rubber and metal meets at the bottom. Is there anything I can do to fix them so they will hold pressure and beer?

zachattack 01-31-2013 11:53 AM

Is this under ambient pressure, or pressurized?

The rubber is just glued onto the bottom of the keg. If it's leaking anywhere other than a post/poppet/dip tube/lid, it means there's a crack and I'd say the only way to fix it is to weld it. To be honest, I wouldn't feel safe using a keg that can't even hold liquid at a modest pressure.

Where'd you buy the kegs?

gbx 01-31-2013 02:36 PM

What zachattack said with the exception that sometimes a leak at the post will escape under the rubber at the top of the keg. Leaks like that sometimes pop out in weird places around the rubber handle but can be fixed by replacing the rubber dip tube seal. If its leaking near the bottom nowhere near the posts or lid, its scrap metal.

FermentNEthinG 01-31-2013 02:57 PM

You sure the kegs are leaking or are just holding water between the rubber and keg? This area traps water on some kegs and will "leak out" as you tip the keg around. Like a bowl of water. Just drain it out and pressurize them up and let us know!

KnotHeadGrady 01-31-2013 09:03 PM

Yeah it's not leaking anywhere near the poppet. It's just under ambient pressure and it seems water is coming from where the rubber on the bottom meets the metal. I would pressurize but these are pin lock and I only have ball lock connectors at the moment. I'll look into this water being held between the rubber hypothesis. Thanks all

KnotHeadGrady 01-31-2013 09:05 PM

1 Attachment(s)
Attachment 97830

Here's where the water comes from

FermentNEthinG 01-31-2013 09:22 PM

Water trapped between the rubber and metal... Turn them upside down and drain it out.

doc5md 01-31-2013 10:34 PM

Fill the keg with water. add some food coloring. pressurize if you'd like. sit it on a paper towel. if the paper towel is wet and colored, the keg is leaking. If it is just wet, it is water trapped from between the rubber and the metal.

gbx 02-01-2013 04:30 AM

Quote:

Originally Posted by KnotHeadGrady (Post 4849739)
Yeah it's not leaking anywhere near the poppet. It's just under ambient pressure and it seems water is coming from where the rubber on the bottom meets the metal. I would pressurize but these are pin lock and I only have ball lock connectors at the moment. I'll look into this water being held between the rubber hypothesis. Thanks all

get out the 7/8th wrench and swap the posts with your ball lock keg?

KnotHeadGrady 02-01-2013 05:28 AM

Great idea doc! Haha gbx you're an f in genius. I literally just thought of this before reading this. totally going to do that to check pressure


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