Advice about converting a beer keg to a fermentor

[Ciderhead]

Anyone any thoughts?
Was gonna cut top off, raised bead of silicone and glass lid strapped down or sheet of Perspex.
i will drill a separate hole for a bubbler


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[pob]

Turn it upside down.

Cut out top (old bottom), use S/S saucepan lid to seal.

Use / adapt coupling for yeast / trub removal valve, as per conical?


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[Greg2013]

Anyone any thoughts?
Was gonna cut top off, raised bead of silicone and glass lid strapped down or sheet of Perspex.
i will drill a separate hole for a bubbler


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Have you got the dip tube removed ? If so providing the inside is all nice and sparkly then just get yourself a carboy rubber cap and stick it over the opening.

[Rossa]

I have a plan to use an end pipe with welded fittings(corny disconnects) and a tri-clover clamp to seal and pump out of a keg fv. Nearly there...as in have 2/3 done.

[Ciderhead]

Like this Rossa?

http://www.brewershardware.com/American-Sanke-Keg-Fermenter-Kit-with-Thermowell.html

Pic please

[LordEoin]

If you've a spare corny lid, how about something like this? (grabbed from random google images)

[Ciderhead]

thanks for that hadn't seen them before, must be tricky to get that oval though, out with the dremel and am gonna give that a shot.

[LordEoin]

Id make a template out of cornflakes box cardboard.
Just to the outer size of the cap.
Then bring it in a centimeter all the way around.
Finally, make a center hole for the keg outlet.
When cutting, an angle grinder should do it if you err on the side of caution, then grind it out to fit.
Remember you have about a half cm to play with all around because of the rubber seal.
Shouldn't be too difficult, just take your time.
Maybe an hour from start to finish

[DEMPSEY]

Make a template of a corney opening and apply it to the keg cut out the centre inside the line with a cutting disc  and then use a grinding/polishing stone to work out to the correct line. Best way to do it.

[LordEoin]

Something like this

Make template, cut it out, put on keg, permanent marker it onto the metal, cut on the inside of the line
Best of luck with it

[Ciderhead]

Thanks chaps for the input, I will give it a go Wedsnesday and post pics

[LordEoin]

best of luck with it

[Hop Bomb]

Ive done it twice & they work beautifully. I grinded the collar down so a carboy cap can squeeze on & I also cut a hole for a corny lid. The corny lid makes for much easier cleaning & for taking out a sample for your refractometer. (good tip is to keep your worn down SS grinder blades for the tight corners of the corny lid cut)

You can transfer under pressure too with the carboy cap & a SS racking cane from Hop & grape. Just add some beer line & a liquid QD for the receiving corny. Ive not used my glass carboys since Ive started using the kegs.

[Ciderhead]

Ooh keg porn



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[DEMPSEY]

Just a note of observation here. A corney lid is flat so you would need to note that if you cut a hole on a curved part of the keg you will need to flatten out the stainless steel to get a good seal.