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Home Brew Forums > Home Brewing Beer > General Techniques > Closed-system pressurized fermentation technique!
View Poll Results: What do you guys think about pressure fermentations? Time for a poll.
I've done it and I liked it just fine! 83 11.22%
I've done it, nothing wrong with it, but prefer normal fermentation techniques. 20 2.70%
I've done it, hate it, and never will do it again! 4 0.54%
I've never done it, but it is on my list! 553 74.73%
I've never done anything. I only brew beer in my mind. 80 10.81%
Voters: 740. You may not vote on this poll

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Old 10-07-2010, 06:48 PM   #411
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Thanks!

So the size coming off ball lock QD is 1/4" right?
There is a difference between the 1/4" MFL on the corny QD and 1/4" NPT.
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Old 10-07-2010, 08:13 PM   #412
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There is a difference between the 1/4" MFL on the corny QD and 1/4" NPT.
ahh and hence the need for the barb to send it to a hose?
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Old 10-07-2010, 08:31 PM   #413
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can't seem to find a adapter for MFL to NPT

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Old 10-07-2010, 08:50 PM   #414
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can't seem to find a adapter for MFL to NPT
McMaster doesn't sell them, that's what SpanishC was referring too...You can make one with fared tubing adapters, buy one from another company, or you can use a hose with swivel nuts like I posted earlier.

I recommend the clear hose option because you'll get an early warning if the krausen is about to spill-over into your pressure relief assembly.
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Old 10-07-2010, 08:55 PM   #415
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I had that same problem, nobody seems to make a 1/4" FFL to NPT. I don't know where midwest sources theirs.

You could utilize this solution, but it's not pretty:

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Old 10-07-2010, 09:02 PM   #416
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McMaster doesn't sell them, that's what SpanishC was referring too...You can make one with fared tubing adapters, buy one from another company, or you can use a hose with swivel nuts like I posted earlier.

I recommend the clear hose option because you'll get an early warning if the krausen is about to spill-over into your pressure relief assembly.
good point about the viewing

in that case I could just use a barbed gas QD to hose to barbed brass into a brass T with the gauge on one and the relief on the other.
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Old 10-07-2010, 09:10 PM   #417
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I could just use a barbed gas QD to hose to barbed brass into a brass T with the gauge on one and the relief on the other.
Correct, that will work.
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Old 10-07-2010, 11:31 PM   #418
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Wow, keep it coming guys. The more this thread gets used, the more will read and start using. I can't wait till my next lager is done. Then I get to use my spunding valve on a room temperature brown ale under pressure with Pacman. If I get this technique nailed down with a house yeast... what can't I brew? Absolutely cannot wait.

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Old 10-08-2010, 11:30 AM   #419
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yeah, I measured my freezer and it is 27", so even with a 10" collar, I am looking at 37", that is cutting it really close. Do we know if these are really 36" or like 35.5 or something?
I use 1 X 10 tongue and groove which fits right into the track/groove that the rubber freezer seal goes into and just put a couple L brackets. The tongue fits in there pretty tight... but you have to make the collar a like a picture frame with mider'd 45 degree angles so the tongues line up. I had to get one of those stainless ball lock connectors simply for the reason that the barb doesn't point up, it points horizontally (to prevent any hose kinking). But barring that, there is plenty of room and you shouldn't need anything bigger. And yes, the corny is more like 35.25" - 35.5" high.

Also, I'll second the recommendation to use the McMaster parts. I would hate to try to all this with an 'instrument' that wasn't precise and able to be 'played' well.
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Old 10-08-2010, 12:49 PM   #420
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OK, fellas- here I go. First video post!

So, as you can see, I didn't stick the dismount. Still trying to get that part down. But you'll notice when I shut down the spunding valve, the gurgling stops in like 5 seconds. I think next time what I'll do is ride the spunding valve at the end and slow down the transfer right before it's done. Thing is, all the vessels have to end at the same pressure or the beer will travel back and forth, n such.

The transfer has to be "primed" to get going. See the send with the most feet of head was the slowest, but once it gets going they are the same rate.

Pretty equal transfer!

Also, I figured out that my dry-hop bag was preventing me from cropping bottom yeast, not that it was too sticky (WLP001). I pushed the bag out of the way with the dip tube and then transfered more than enough yeast into my corny for my next batch. You can't really see the yeast flowing with that resolution, but I got a couple pints.

You also notice that I'm no Spielberg Gotta Love Closed System!!!!

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