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Argon/Co2 Tank Info


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#1 Sawdust ONLINE  

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Posted February 14, 2018 - 10:52 AM

I'm building a mig welder cart but won't be getting the tank until later. I'm thinking about the 125lb size. To finish my cart I need to know the diameter of the tank to make the holder on the cart. From what I can find from size charts online they show the 125lb.tank being 6.8" My thoughts are making the bottom ring on the cart 7" would be good. Thanks for the help.
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#2 chieffan ONLINE  

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Posted February 14, 2018 - 10:54 AM

Better an inch to big than 1/4" to small.


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#3 secondtry ONLINE  

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Posted February 14, 2018 - 11:35 AM

I am with Chieffan. If it is a little loose when you get the tank you can glue a strip of rubber in it to take up the slack. Don


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#4 Sawdust ONLINE  

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Posted February 14, 2018 - 11:44 AM

I went out & did some measuring I agree 7" would be too risky. I think I'll go with 7 1/2". Thanks guys
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#5 Texas Deere and Horse OFFLINE  

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Posted February 14, 2018 - 12:12 PM

All my Miller welders have the opening for the tank that's about a 12" x 12" square, the thing that really keeps the tank secure is the adjustable chain on the top of the welder about half way up the tank. By having this setup I can use any size, 125-300  75/25% tank and it will stay secure in the welder.

 

252 side veiw 1.jpg 252 back view 1.jpg


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#6 hamman ONLINE  

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Posted February 14, 2018 - 12:59 PM

I posted a build of a wire welder cart back in 2014 . I used a metal box that was 10" X 10" for the 125 cfm tank. There are pics of it there if you want to take a look at them. Good luck. Anxious to see the completed cart.                                                                                                                                               Roger


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#7 coxhaus ONLINE  

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Posted February 14, 2018 - 01:15 PM

I measured my Arogon/CO2 bottle and it is right at 7 inches.  I measured my oxygen bottle and it is right at 7 inches also so it must be a standard for size.


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#8 olcowhand ONLINE  

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Posted February 14, 2018 - 01:32 PM

Yep, 7".
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#9 JBRamsey ONLINE  

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Posted February 14, 2018 - 05:59 PM

My welder used to end up in the bed of my truck for side jobs. I put a chain near the bottom and just over halfway up the tank with a long screw hook and a lock nut. I can snug the chains up against the tank so it doesn't go anywhere.

I wouldn't fool with a ring.
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#10 Texas Deere and Horse OFFLINE  

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Posted February 14, 2018 - 06:36 PM

I measured my Arogon/CO2 bottle and it is right at 7 inches.  I measured my oxygen bottle and it is right at 7 inches also so it must be a standard for size.

 

 

That's the standard DIA of the 125 CF which is what most folks use. When I have a big job with lots of welding I often times rent a couple 300 CF bottles so I'm not switching out every 3 to 4 days.


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#11 EricR OFFLINE  

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Posted February 14, 2018 - 07:26 PM

That's the standard DIA of the 125 CF which is what most folks use. When I have a big job with lots of welding I often times rent a couple 300 CF bottles so I'm not switching out every 3 to 4 days.

 

The 300 size cylinder is good for you as the end user but to me (the filler) it sure is a pain to fill and lift and move around, lol...


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#12 EricR OFFLINE  

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Posted February 14, 2018 - 11:46 PM

And not to get to far off topic, my co-workers and I filled over 9,400 cylinders last month, sure makes for long weeks, LOL... 


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