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  #1  
Old 2015-08-20, 1:38pm
Afro1621 Afro1621 is offline
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Default Oxycon + Tanked linked together.

Hi everyone,

I almost certain of the answer I'm going to get from you, but does anyone here work with an oxycon+tanked oxygen setup only linked in together by a "T" or "Y" pipe connector?. I've read lots of threads and all of them advise that it is not recommended due to the pressure that the tank generates, it could create a flashback into the oxycon with the oxygen that's coming out of it , right?. But what if both are setup at the same pressure (psi), for example, I got an M20 from unlimited oxygen (that still works perfectly, thanks jack!), that is supposed to run at 10 liters per minute/20 psi, and this week I got a normal oxygen tank that I plan to set at the same pressure (or maybe less) with the regulator and I plan to use the connector that's in the photo attached.
I want to hear about your thoughts/suggestions/advise, etc.
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  #2  
Old 2015-08-20, 1:56pm
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shawnette shawnette is offline
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Why would you have them hooked together? Generally, it's oxycon on the center flame & tanked on the outer. Hooking them together kinda defeats the purpose.

Are you positive that the oxycon is actually pushing 20psi? If you put a check valve on the line from the oxycon and set the tank at 20psi, you shouldn't have any issues.
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  #3  
Old 2015-08-20, 3:09pm
Afro1621 Afro1621 is offline
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Quote:
Originally Posted by shawnette View Post
Why would you have them hooked together? Generally, it's oxycon on the center flame & tanked on the outer. Hooking them together kinda defeats the purpose.

Are you positive that the oxycon is actually pushing 20psi? If you put a check valve on the line from the oxycon and set the tank at 20psi, you shouldn't have any issues.
To increase the amount of oxygen that feeds my torch. I have a GTT Cheetah, and the oxycon by itself is not enough, I get a good flame but not the one I would want. This torch is triple mix but it does not have inner or outer jets, all 13 jets work together as a whole.

Not positive at a 100% but those are the specs for that oxycon, I would have to find out where to buy a check valve to prevent flashback.

Last edited by Afro1621; 2015-08-20 at 3:12pm.
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  #4  
Old 2015-08-20, 4:50pm
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shawnette shawnette is offline
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Quote:
Originally Posted by Afro1621 View Post
To increase the amount of oxygen that feeds my torch. I have a GTT Cheetah, and the oxycon by itself is not enough, I get a good flame but not the one I would want. This torch is triple mix but it does not have inner or outer jets, all 13 jets work together as a whole.

Not positive at a 100% but those are the specs for that oxycon, I would have to find out where to buy a check valve to prevent flashback.
The check valve doesn't prevent flashback; it prevents backflow. Flashback arresters prevent flashback.

I am familiar with the Cheetah (had one). It isn't very efficient. I'm still not sure that running the oxycon with a tank will be of any benefit, unless you crank the tank pressure down. Seems to me that you're just using up electricity. You could add a 2nd concentrator, or a holding tank... (I used a holding tank & 2 oxycons with mine.)

Anyway, let us know if it works!
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  #5  
Old 2015-08-21, 7:37pm
dusty dusty is offline
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I don't think I'd hook it up at the full 20psi. Not sure I'd do it at all, but if I did, I'd experiment with lower pressures first.
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  #6  
Old 2015-08-21, 9:59pm
snoopdog6502 snoopdog6502 is offline
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Its just a bad idea. Kind of pointless. Run one or the other.

If you need more heat and power then run tanked alone.

I ran my cheetah on an 8lpm 15psi oxycon and it did real nice, I could make an 1-1/2" boro marble no trouble.

This is what you use to run an oxycon and a tank. My new baby..
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Old 2015-08-22, 11:43am
LarryC LarryC is offline
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Stop using the oxycon and just run off the tank. As shawnette said I think your wasting the electric to run the oxycon. I dont think its contribution would add any value at all.
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  #8  
Old 2015-08-23, 3:12pm
Afro1621 Afro1621 is offline
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The main reason why I wanted to hook them up together was to add more oxygen flow to the torch, it may not be a good idea to set them up at the same psi as you said, however I already tried running them together and they work just as I expected, the oxycon set at 10lpm and the tank at 5-8lpm; it does get the boost I need to get a decent flame plus I save the oxy in the tank, wich is other reason why I wanted to do this setup.
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  #9  
Old 2015-08-23, 6:45pm
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Gila Gila is offline
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So, it's the oxygen purity that you are boosting; rather than the flow rate.
Do you have a way to gauge how much tanked O2 you save this way?
Glad it is working for you.
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  #10  
Old 2015-08-25, 8:40am
LarryC LarryC is offline
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Quote:
Originally Posted by Afro1621 View Post
The main reason why I wanted to hook them up together was to add more oxygen flow to the torch, it may not be a good idea to set them up at the same psi as you said, however I already tried running them together and they work just as I expected, the oxycon set at 10lpm and the tank at 5-8lpm; it does get the boost I need to get a decent flame plus I save the oxy in the tank, wich is other reason why I wanted to do this setup.
Only time will tell. I suspect it is now primarily running off the tanked and the oxycon is not adding much if any value. I am not even sure, short of using a Power monitor, how to determine if this is buying you anything. Was the tank full when you started? If so, please let us know how long it lasts.
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  #11  
Old 2015-08-25, 6:48pm
Afro1621 Afro1621 is offline
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I'm tracking the amount of hours I've spent behind the torch. I'll let you know the results. But I guess we need something to compare it against. Does any of you works with 5-8 psi while running a tank?
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