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Torch cylinder filling

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Just scored a free torch rig sans hoses and torch head. Two big gas bottles full, O2 is empty (came w/ cart too). What's the deal w/ exchanging them for full? I know dad had some he couldn't get swapped because he didn't have "papers" on them. Anyone deal w/ air gas, how are they about swapping?
 
Don't know what the rules are now, as I haven't used my gas rig in 25 or 30 years. In those days, I bought the torch ans hoses, and rented the tanks. Then all I had to do was exchange them for full tanks, paying for the gas.

ISTR that if you owned the tanks, you had to keep records because the tanks could only be refilled a certain number of times before maintenance had to be performed. Or something to that effect. I don't know if these were federal or state rules. Probably someone will have the real answer, but I just felt sorry for your question sitting unanswered and afraid you might think nobody loved you ....or cared.
 
bgbassplyr said:
I just felt sorry for your question sitting unanswered and afraid you might think nobody loved you ....or cared.
Click to expand...


Oh no worries on that front.


...I know perfectly well no one loves me or cares. :jester:
 
Look carefully on the cylinders there could be a company name stamped on them , in my case it is Norco and I have to take the cylinders to a Norco welding supply outlet to get my cylinders refilled. as for owning the cylinders outright you will run into gas supply outlets that will refuse to deal with them. I hate to say it but they can be a real pain in the UHMMMMMMM. If the cylinders are from one of the big chains eg. airgas. United States Welding Supply, Union Carbide etc. you may have a little better luck.
 
I own my tanks (C02 mix for MIG welding and 02 + acetelyne for gas welding.....three tanks in all).

The 02 + acetelyne tanks bought online and stamped with a date and came with a certificate. The local gas supplier needed to see that before he would fill them.

I bought my 02 tank from the local supplier (although I never actually have the same tank....I am always exchanging it). The tanks need to be recertified every few years and there is a fee for that (at least in NJ). It's kind of weird: you are paying to recertify a tank even though the original (new) tank has been swapped in for a different one years back.
I'm always a bit fussy and if they try to pawn off a crappy looking tank on me, I ask for a different one.
 
What does the certificate say and look like? I have a big Co2 tank here found in the trash. I took it in to a fire exstinquisher place and had it hyrdro tested and filled. no problem, no papaerwork.
 
High pressure tanks have to be tested and certified every 10 years. I think that is universal. If it passes, they stamp the test date on it and they always check that before refilling. A welding supply once told me you need papers on the larger size bottles that are usually rented to be sure they were not stolen. Mine are the size that are sold instead of rented.
 
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