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Old 11-05-2011, 05:49 PM   #1
neumann
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Default small oxygen tanks and regulator

Do the threads on the small oxygen tanks match what is found on full size tanks? For example, if I wanted to use this tank with this regulator with a hose and stone, would that be possible? I realize this is a significantly more expensive way of getting oxygen in my beer than some of the other pre-made solutions, but my LHBS doesn't have any of those solutions and I would like to brew tomorrow. Any feedback?


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Old 11-05-2011, 05:56 PM   #2
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Very different TPI on those regulators. The one for small bottles (the Lowe's link) is 20TPI, where a standard O2 regulator is 13TPI (using my TPI gauge set).

If you're looking to use a standard sized (welding gas) O2 tank, then get a regulator that also has a flow meter on it. I scored one off ebay a few weeks back for pretty short money. I just had to get the fitting to go to the 3/16" ID tubing that connects to my oxygenation wand. That was a few dollars on Amazon.

Only the initial hardware cost will be more with the full size tank setup. You'll get tons more batches this way. Plus, with an actual flow meter on the regulator, you'll KNOW how much O2 you're infusing the wort with. That will allow you to calculate the O2 PPM numbers.

Check any local welding supply stores/shops in your area. You could find one that has an O2 regulator already setup with a flow meter. Get the tank from them too, and you're done (assuming you have the stone and rest of the setup)... I would also get them to either set up the regulator with a 1/4" fitting to go to swivel nuts, or to a 3/16" barb for you.


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Old 11-05-2011, 05:58 PM   #3
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I'm pretty sure the CGA 540 threaded regulator you linked to is for the larger O2 bottles. It won't fit the tank you linked to. Those require a different "regulator" and they are becoming increasingly difficult to find. It won't help you for tomorrow, but here is what you need http://www.williamsbrewing.com/OXYGE...ATOR-P700.aspx
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Old 11-05-2011, 06:04 PM   #4
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I don't believe that you will be able to adapt that cylinder to the regulator you have. The regulator you show has a CGA 540 (industrial type) fitting and the disposable cylinder CGA 601 are completely different. And I have not been able to find an adapter.
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Old 11-05-2011, 06:05 PM   #5
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That's the small regulator that I actually checked the threads on... Not using it at all since getting the one with a flow meter, that works with my full size O2 tank (forget the volume size, but it uses a standard regulator). For a while I used the PSI regulator from my old welding setup, until I got the flow meter regulator. Worked pretty well, just couldn't tell how much O2 was going into the wort (no reading on the low pressure gauge). With the flow meter setup, you see what the O2 LpM rate is, so you KNOW how much O2 is going into the wort.

I did get the complete setup, originally, from Williams... Love the air stone on the wand. I did change the tubing to use 3/16" ID beer line, so that I could clamp it.

Either way, using pure O2 makes for even better brews into your glass...
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Old 11-05-2011, 06:11 PM   #6
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what i am getting from most of your replies is that there isn't a good way for me to get what i need by tomorrow and that i should order a small regulator and just brew next weekend

Reason: that came out way whinier than what i intended
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Old 11-05-2011, 06:17 PM   #7
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OK, new idea. What about this? I see the regulator i need right there. it looks like the two hoses are stuck together but that they might come apart. what if i put pulled that black hose off and put the hose with my stone in its place?
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Old 11-05-2011, 06:21 PM   #8
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Quote:
Originally Posted by neumann View Post
OK, new idea. What about this? I see the regulator i need right there. it looks like the two hoses are stuck together but that they might come apart. what if i put pulled that black hose off and put the hose with my stone in its place?
That will work. You will pay more in the long run for the low pressure/low volume cylinders.
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Old 11-05-2011, 06:25 PM   #9
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I know that the small bottle isn't ideal but I simply haven't got anywhere to keep a bigger bottle of O2. How many 5 gallon batches of beer can be oxygenated with one of the small bottles? I don't need it for any other use but beer.
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Old 11-05-2011, 06:27 PM   #10
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$60 for something you'll only use one small part from?? Not a good idea in my book. Better to get the Lowe's regulator, tank and some beer line from the LHBS to connect up to the stone. If there are no welding shops/stores in your area, call some on Monday and see about getting a regulator setup to go to large tanks, with the flow meter. Or search on ebay for one that will work. use an O2 tank for welding (you'll need the regulator with the correct connection) means you won't need a Rx to get it filled/replaced.


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