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Stuck keg posts

Started by mr hoppy, October 08, 2013, 10:45:46 PM

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ColMack

Same thing happened me with one of the original group buy kegs.  Threads ruined.
I was hoping a keg post adapter welded on might be a fix but have not been able to find out for sure.

imark

Swapped on an old post I have and it looks like the thread on the cornie is able to take it. It looks like the thread is the same but for some reason the post is too long or something. It's got a separate post and poppet (not like the integrated ones on these kegs) and it's not suitable for the poppet. Feck it!

mr hoppy

I've a problem with this keg again.

All the feckin beer's gone.

johnrm

Brew day at your gaff soon then?

mr hoppy

I'd love to squeeze 2 in over the weekend but with the FW beerfest coming up I'd say I'd be seriously pushing my luck!

imark

Has anybody got a tool I could borrow to fix the threads on the damaged post? Or failing that, could anybody point me in the direction of what I'd need to do this?
Both the male and female threads are damaged. Is it even possible to fix this?

Will_D

Quote from: imark on October 28, 2013, 12:30:49 PM
Has anybody got a tool I could borrow to fix the threads on the damaged post? Or failing that, could anybody point me in the direction of what I'd need to do this?
Both the male and female threads are damaged. Is it even possible to fix this?
The male thread can usually be smoothed off with a small triangular file. If you do this first you may be able to use the male to coerce the female into submission (  ::) )

If you are good with files and hacksaw you could make a V pointed tool that could be used to remove the burs and dings from the female.

Usually however its the male thread gets damaged first and then when its forced in the female thread it buggers that as well!

Failing that you are going to need an NPT tap of the correct size

HTH
Remember: The Nationals are just round the corner - time to get brewing

DEMPSEY

Tap and die kit needed. I have a cheap bsp set but you would have a problem using it on the keg bexaise the handles of the corney
Dei miscendarum discipulus
Forgive us our Hangovers as we forgive those who hangover against us

imark

Dempsey...is that kit only for the male thread?

I'll try cleaning with a file and the PTFE also. Bit disappointing for a nice new keg tho.

Bzfeale80

Quote from: imark on October 28, 2013, 12:30:49 PM
Has anybody got a tool I could borrow to fix the threads on the damaged post? Or failing that, could anybody point me in the direction of what I'd need to do this?
Both the male and female threads are damaged. Is it even possible to fix this?

Do you know if its a metric or NPT or other type of thread. I have a set of metric thread taps and dies that go up to M24 or something like that. Its possible that the male threaded part may have some information stamped on it if you can make it out. If an NPT male is forced into a metric female it will damage the threads on both parts. You should be able to identify the thread type for your keg by looking up the manufacturer of the keg - manufacturer's name is usually stamped on the keg. In any case this link may be useful http://www.dresselbrew.com/Keg_Info.htm

More info about pipe threads http://www.truthread.com/product-details/M-KEG-Taper-Thread-Gauges-DIN-158

DEMPSEY

Just had a goo at my Draper tap and die kit and the biggest it will do is M12. You also get one NPT 27 with the kit.
Dei miscendarum discipulus
Forgive us our Hangovers as we forgive those who hangover against us

imark

Mine is an AEB srl keg. I presume its metric thread as its Italian. Can't find details on the site you listed Bzfeale80.

Will_D

I would not assume thats just because its Italian its metric!

The comon european norm for plumbing fittings and screwed pipe is BSP!

Now Cornys originated in the US where they use NPT.

It is highly likely that a euro or chinese clone of a corny will use the same thread form.

The ONLY way to be sure is to measure the OD and pitch of the Male thread and look it up.

BTW: You need a good digital calipers and a thread pitch gauge to do this ???
Remember: The Nationals are just round the corner - time to get brewing

imark

Quote from: Will_D on October 30, 2013, 11:01:54 PM
The ONLY way to be sure is to measure the OD and pitch of the Male thread and look it up.

BTW: You need a good digital calipers and a thread pitch gauge to do this ???
I've neither. If anybody who got kegs on last group buy could confirm the correct detail for the aeb kegs that would be excellent.

Bzfeale80

Quote from: imark on October 29, 2013, 05:18:42 PM
Mine is an AEB srl keg. I presume its metric thread as its Italian. Can't find details on the site you listed Bzfeale80.

Here is the website of AEB http://www.aebkegs.com/home.php

From my limited knowledge of kegs, are your kegs similar to http://www.aebkegs.com/prodotto.php?idprodotto=2

And their accessories catalogue http://www.aebkegs.com/css/img/Prodotti/catalogo%20ACCESSORI.pdf

Spare parts http://www.aebkegs.com/css/img/Prodotti/catalogo%20RICAMBI.pdf

Hopefully from the above links and a bit of google translate from Italian you will be able to find what part or equivalent you need