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Old 06-13-2012, 05:55 PM   #21
wailingguitar
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Quote:
Originally Posted by jcaudill View Post
If you're spunding, your regulator is not hooked up. Fermentation is taking care of co2. The valve is the regulator.
Right, about the only time you would connect the gas to the keg would be if you, as I suggested, pressurized the keg manually to calibrate the spundig.
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Old 06-13-2012, 08:58 PM   #22
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Quick update:

I did a trial run on a 20 BBL fermenter today. For the most part it went pretty darn well! I am going to try a couple of ball, spring, distance combos out though to see what the most predictable setup is. The one thing I noticed today is the viton ball I used tends to want to get stuck in the reducing coupling taper and it takes a certain level of pressure to force it out.

Only other note which I think I mentioned before is this setup really needs a spring that is ground flat. I will be on the hunt.

I'm headed back tomorrow for more trialing.

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Old 06-14-2012, 08:12 PM   #23
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What is the source and part number for the clear pipe? I'm thinking sight glass for my O2 stone/thermometer assy.

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Old 06-15-2012, 02:08 AM   #24
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http://www.mcmaster.com/#clear-pvc-p...ttings/=hzbrhi

Go to pipe nipples, threaded on both ends.
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Old 06-15-2012, 02:11 AM   #25
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Today's update: slightly larger ball is better. I drilled another cap to see if the spring will compress a bit straighter without grinding the ends. The valve is going into full testing on the 20BBL fermenter for spunding @ 17 psi. Should know soon how good the spring I chose is.

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Old 06-15-2012, 07:43 PM   #26
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Quick video (probably need to go to fullscreen)


Demonstrating holding 17psi:


Untitled by brewerJP

So far, so good.
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Old 06-16-2012, 12:49 AM   #27
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I see a still pic, but no vid. Still, it looks damn cool. You're rocking that thing, my man! You get it dialed in just as you want it and you could have a tidy little side business on your hands!

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Old 06-16-2012, 01:01 AM   #28
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Odd - does the video work now? I can see it at least.

Thanks!!

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Old 06-16-2012, 02:01 AM   #29
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Yep, there is now!

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Old 09-26-2012, 06:48 PM   #30
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Did you every finalize the design? If so, do you have a final parts list available?

Looks like a great design.

Thanks

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