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Who's made a Counterflow Chiller?

Looking for someone who has made a nice counter-flow chiller. I searched the forum but didn’t find one. I purposely haven’t searched the internet yet, I wanted to ask you guys before I did that.

Greg Muller has (www.mullerbrau.com).

I think he ended up buying a couple of Chillzillas, though. He brews big batches.

HERE’s
http://www.thehomebrewforum.co.uk/viewtopic.php?f=13&t=49810
an excellent how to make a counterflow chiller. Its on the UK HB site.

LeithR,
That’s an interesting design. I wonder why he didn’t just use small elbows on the ends for return instead of the silicone hose and clamps?

[quote=“Scalded Dog”]LeithR,
That’s an interesting design. I wonder why he didn’t just use small elbows on the ends for return instead of the silicone hose and clamps?[/quote]

I thought the same thing. Easier to clean that way, I would guess.

Ron

Yes, easier to clean.

OK I was thinking that …thanks.

I think this ones really cool https://www.youtube.com/watch?v=DVf-lTF … ata_player

GoldenChild…thanks, I already saw that one a few months ago. That is definitely one of the better ones on Youtube. I’m thinking more in line of copper inside of copper? 25’ how hard would that be to bend? I was thinking worst case I could take it to a plumber to bend for me. I would use a smaller diameter inside pipe. I wonder if I would still need the spiral wire for diffusing the water?

One of our site moderators P-J has a great page on how to make a chiller. I’ll see if I can find it.

[quote=“mrv”]Greg Muller has (http://www.mullerbrau.com).

I think he ended up buying a couple of Chillzillas, though. He brews big batches.[/quote]I made a few a long time ago. Here is a pic of one I made with a garden hose and a copper tube which I wrapped a copper wire around to induce a turbulent flow. You can see it through the hose. It was tough getting the tube jammed into the hose. I ended up selling it and going with larger diameter ChillZillas to push more wort through faster. Now I chill and transfer 22 gallons in less than ten minutes.

[quote=“Scalded Dog”] I’m thinking more in line of copper inside of copper? 25’ how hard would that be to bend? I was thinking worst case I could take it to a plumber to bend for me.[/quote]If you used 1/2" OD tubing for the inner tube you would need 3/4" ID tubing for the outside tube which is 7/8" OD. Being in the HVAC/plumbing field I can tell you that 7/8" tubing is very tough to bend without kinking it. I’m not aware of any bending tools available to bend that large of tubing in to a tight coil, I’m sure they’re out there but I imagine they’re very expensive machine tools.

Another issue would be cost. A 30’ 7/8" X 3/8" air conditioner line set is probably at least $130, then you would need to buy fittings. It may less of a hassle to just buy one.

I plan on making one sometime, I’m gonna go with the vinyl tubing or garden hose for the outer jacket.

Greg, is this the sight

http://www.pjmuth.org/beerstuff/counter ... hiller.htm

tom

Greg, is this the sight

http://www.pjmuth.org/beerstuff/counter ... hiller.htm

tom[/quote]Yes Tom that’s it. Thanks!

Tom and Greg,
Thanks so much. That is what I was looking for. Someone told me that to prevent kinking you can fill both pipes with salt before attempting to bend. They use salt because it can be easily dissolved when done, but IDK about that? Anyway I may give this a shot as I’m pretty good at sweating pipes. It’s the bending part I’m not so sure about. Also it looks like he doesn’t solder any wire to the inside pipe for turbulence flow as the others have?

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