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Old 12-30-2010, 02:31 AM   #21
joaorojas
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Catt22, you say that you "will go with copper pipe through the cap". How? How to seal the pipe passage in order to prevent leaks?

BTW, Excelent pics and very good job!

Tks!

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Old 12-30-2010, 02:38 AM   #22
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I think you could drill a hole, thread or glue in a pvc 1/2 coupler and force the copper through it. The compression of the pvc to copper might be good enough for a seal, if not, I am sure a little jb weld would work and a gasket of some sort on the copper and force the cap down till it seals.

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Old 12-30-2010, 03:14 AM   #23
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I bet a bead of silicon on the inside of the cap would be enough to seal it.

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Old 12-30-2010, 04:16 AM   #24
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Quote:
Originally Posted by joaorojas View Post
Catt22, you say that you "will go with copper pipe through the cap". How? How to seal the pipe passage in order to prevent leaks?

BTW, Excelent pics and very good job!

Tks!
I bore the holes through the cap using a Forstner bit which makes a very clean and precise hole. The pipe fits very snugly in the hole. I used a small amount of silicone to make the seal just as BMB suggested. Also, the inlet and outlet fittings for the cooling water are threaded directly into the PVC pipe wall. The schedule 40 PVC pipe wall is quite thick and will accept threading with a pipe thread tap. No epoxy or glue other than that small amount of silicone sealer was used in this build.

Initially, I had the copper pipes coming through the cap like this:



...but then I stupidly second guessed myself and made the transition through the cap with the CPVC. This was a blunder on my part. It works OK the way I have it, but it was not at all necessary to change it from the original copper penetration.
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Old 12-30-2010, 11:57 AM   #25
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ok, last question. How do you get the wort stuck in the pipes out when you turn the pump off? Is there a considerable amount left in the chiller?

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Old 12-30-2010, 04:28 PM   #26
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ok, last question. How do you get the wort stuck in the pipes out when you turn the pump off? Is there a considerable amount left in the chiller?
The volume in the pipes and hoses is only about a quart. I do not try to recover it. I brew 6 or 12 gallon batches with the goal being to get at least a full five gallons of finished beer into each keg. There will always be inevitable losses along the journey to the fermenter. Very little bugs me more than coming up short on volume at the end. I don't let that happen anymore.
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Old 02-09-2013, 12:22 PM   #27
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Can I ask why you laid the pipes vertically rather than a long coil?

I like the neat and tidy design, but am trying to understand the benefits of one design over the other.

Thank you

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Old 02-09-2013, 04:26 PM   #28
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Quote:
Originally Posted by Yettiman
Can I ask why you laid the pipes vertically rather than a long coil?

I like the neat and tidy design, but am trying to understand the benefits of one design over the other.

Thank you
I'd think this would be much more efficient as you'd have a longer run of copper exposed. Getting that tight of a could would be a challenge though.
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