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Old 02-07-2006, 11:00 PM   #1
AHammer16
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Default Keg O-rings.

Here are the O ring numbers for the corny kegs I have. I would assume that they are standard to all cornys. However I cannot find the right one for the lid seal Does any one know what it is supposed to be?

O-rings on the ball lock (outside on the connector)
#9 o-ring 5/8 x 7/16 x 3/32

O-rings on the down tubes(inside and underneath the valve assembly)
#83 o-ring 1/2 x 5/16 x 3/32

O-ring for the lid seal.
? Any one know? I think it has an I.D. of 3 1/2 inch and a thickness of 1/4 inch but I cant find it.

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Old 02-07-2006, 11:17 PM   #2
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Default Keg "O" Rings

My homebrew shop sells these o rings check out
http://www.homebrewing.org/msg3.htm
They will ship too. They also sell kegs (used) for about $14.99 I think.
Of course you'd have to pay shipping ( the unavoidable)

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Old 02-08-2006, 12:10 AM   #3
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This may help you out.

http://www.williamsbrewing.com/KEG_L...ING_P58C78.cfm

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Old 02-08-2006, 01:34 AM   #4
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Yeah i've seen the kits out there. I just dont want to pay for something that i can easly get my self for 20 times the price. The o- rings fot the other parts that i did find were 25 cents a piece and i did not have to pay shipping.

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Old 02-08-2006, 04:01 AM   #5
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3 1/2 id looks good, by measuring around the seat.

Inlet and out let are different diameters, measure both. Also, inside each valve is another one...there is a total of 7 per keg?

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Old 02-09-2006, 05:12 PM   #6
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Just got the specs from The cornelious company. The lisd o-ring is 3.47 ID with a 0.275 cross section. Their part number is 180362000. If you go on to their parts supplier www.bevcore.com and search for that part number it will come up. I ordered 5 and there was a volume discount, about 1.90 a piece.

I did not notice that there was a diffrence in the o- ring size for the inlet and the outlet. I dont think there is on a ball lock. I know the inlet and outlet are keyed to different sizes so you dont hook them up wrong. There is an o ring on the down tubes and around the outside of the inlet and outlet. I dont think you can replace the seals on the spring loaded seals, you just have to replace the whole spring assembly.

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Old 02-09-2006, 05:34 PM   #7
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I thunk I heard that you just push the valve out the bottom, after unscrewing the valve from the tank. Then, replace an o-ring. Last time I needed a big o-ring, about 4 1/2 inch, it was 75 cents at the local chain/bearing/power transmission products store. Tractor supply? Ace hardware?

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So far, I've had more experience thinking than I've had brewing....you don't think they are mutually exclusive, do you?

72 batches so far,
48 wine, mostly Loquat, peach, plum, prickly pear
23 beers and ciders
1 sauerkraut
1 Tequila, from a prickly pear wine experiment that didn't work. I call it "Prickly Heat"

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