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Old 10-29-2010, 08:43 PM   #1
PaulHilgeman
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Default Running Stainless tubing through a bulkhead fitting of sorts

I have SS Conicals, and a coolant circulation system.

Currently I circulate the coolant around the conical, using vinyl tubing.

This works very well, my ale fermenter can get down to 52 degrees and my lager fermenter can get down to 42 degrees.

I would like to upgrade to having SS coils inside of the conicals, but I have no idea how to get the SS tubing inside without welding.

I could go through the lid to keep the connectors away from the wort...

Any other suggestions or ideas?

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Old 10-29-2010, 09:09 PM   #2
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Just curious why you want to avoid welding. You could have someone weld two stainless pipe nipples through, use stainless compression to npt fittings on the inside, quick disconnects on the outside, and be able to disassemble with ease. Thats how I did my boil kettle and dip tube. I used this fitting for my dip tube http://www.bargainfittings.com/index.php?route=product/product&path=36_39&product_id=132.

Where do you live? lots of TIG welders are beer drinkers/brewers.

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Old 10-29-2010, 09:15 PM   #3
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You can just use these with some added silicone o-rings and a nut on the outside threads. That's for 1/2" tubing, obviously buy one that is for your intended tubing size.

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Old 10-29-2010, 09:21 PM   #4
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Why not weld the SS tubing to the outside of the conical? Doesn't the prospect of adding numerous hard-to-clean crevices where the tubing meets the smooth inside surface of your conical cause some concern?

Edit: Oh, I see what you are asking is a way to do it without welding. Good. Yes, something that goes through the lid would seem best. I think that's how Brewpastor did his.

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Old 10-29-2010, 10:35 PM   #5
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You could even solder it for that matter. It'll be plenty strong. Copper is also an excellent choice....then cover the coils with insulation....that's the same thing that morebeer does with their $1000 conicals, except they use a glycol chiller. If you already have the freezer/coolant/pump/controller portions taken care of, you're golden! Don't drop the coils inside, because ideally, you could clean-in-place.

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Old 10-29-2010, 11:03 PM   #6
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There's all the pieces you need to make a weldless bulkhead fitting for your chiller.
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Old 10-30-2010, 02:51 AM   #7
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Think about it. If you immerse the coils, you have to clean them. If you wrap them round the outside, you don't!

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Old 10-30-2010, 03:46 AM   #8
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Quote:
Originally Posted by PaulHilgeman View Post
I have SS Conicals, and a coolant circulation system.
I could go through the lid to keep the connectors away from the wort...
My conicals have the cooling coils inside and are soldered to the lid.
Cleaning is easy with or without a CIP system.

Some older pics


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Old 10-30-2010, 04:16 AM   #9
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You could try one of these bulkhead fittings http://www.swagelok.com/search/find_products_home.aspx?part=SS-810-61, a vinyl hose washer will stretch over the fitting for use as a gasket on the inside.

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Old 10-30-2010, 01:38 PM   #10
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Quote:
Originally Posted by kladue View Post
You could try one of these bulkhead fittings http://www.swagelok.com/search/find_products_home.aspx?part=SS-810-61, a vinyl hose washer will stretch over the fitting for use as a gasket on the inside.
You can get 1/2" Swagelok bulkhead fitting on ebay for pretty cheap (Considering they list for a LOT more!)
http://desc.shop.ebay.com/i.html?_nkw=1%2F2+swagelok+bulkhead&_sacat=0&_odkw =1%2F2+swaglok+bulkhead&_osacat=0&_trksid=p3286.c0 .m270.l1313&LH_TitleDesc=1
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Put some duct tape over the gauge - Or better yet - Replace the high pressure gauge with a plug - High pressure gauges are useless!
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