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Old 12-31-2009, 03:01 AM   #1
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Default Disconnects for Heat Exchanger Coil

I am planning on using QDs on my heat exchanger copper coil in my HERMS. I was thinking of soldering copper threaded connections on the ends of the coil, attaching SS couplers to the threaded connections, and then connecting polysulphone QDs to the couplers. Anyone have an easier way of doing this? (trying to avoid brass)

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Old 12-31-2009, 04:05 AM   #2
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swagelok tube adapters, connected to either tri clamps or camloks.

if i understand this right your trying to put them on the inside of the kettle? to quick detach your herms coil?

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Old 12-31-2009, 12:23 PM   #3
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How about the cheap stainless camlocks that have been recently discovered.

http://www.proflowdynamics.com/index.html
http://www.homebrewtalk.com/f51/stainless-cam-lock-fittings-152737/

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Old 12-31-2009, 12:44 PM   #4
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Are the ss couplers you are talking about through the wall?

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Old 12-31-2009, 01:02 PM   #5
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Quote:
Originally Posted by Bobby_M View Post
How about the cheap stainless camlocks that have been recently discovered.

http://www.proflowdynamics.com/index.html
http://www.homebrewtalk.com/f51/stainless-cam-lock-fittings-152737/
Dude, I think I love you!!! Awesome find on the cam-locks.....
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Old 12-31-2009, 01:03 PM   #6
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I am using Tri Clamps... they wont restrict the flow like QDs will or the CamLoks...

Sometimes the flow is not needed anyway, but in some cases I want the fastest flow possible, and TriClamps will afford you this luxury.

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Old 12-31-2009, 01:18 PM   #7
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The biggest restriction on the camlock would be the hose barb and that doesn't change with tri-clamps. If you're using 1/2" ID silicone tubing, the best bet would be to use 3/4" barbs and stretch the tubing. Unfortunately with the camlocks, I think the nipple/couplings change sizes along with the hose barbs. Personally, I don't think the restriction is going to hurt anything. We throttle flows far more out of necessity than anything the QD is going to do and that is a huge price difference.

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Old 12-31-2009, 01:29 PM   #8
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Bobby, keep in mind The Pol is designing a brand new system. I haven't speculated up to this point, but I am convinced he plans to use a jet engine to heat and recirculate. My guess is that he will manage to get the entire brew day to under 45 minutes.

Ed

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Old 12-31-2009, 03:33 PM   #9
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Thanks for the link Bobby - awesome!

Cheaper than polysulfone QDs and one less part since the SS coupler would not be needed because there is availbility of a female NPT ended QD. I think these will work fine as it is not a through the wall design.

It looks like I do the following:

  • Solder on a male 1/2" NPT copper thread to the end of the coil
  • Go with either combination of 1/2" Part ‘A’ cam adaptor with female NPT thread and Part ‘C’ cam coupler with double ribbed hosetail or the combination of 1/2" Part ‘D’ cam coupler with female NPT thread and Part ‘E’ cam adaptor with double ribbed hosetail, depending on which side I want the coupler arms.
Correct?
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Old 12-31-2009, 07:42 PM   #10
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Wow, these things look awesome. It doesn't look as if there is any flow restricion with the male adapters. No more than a full port ball valve....

What are the benefits of tri-clovers over camlocks? It seems like they are pretty similar...do TC's offer a lower profile?

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