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I have three CO2 tanks that my Uncle left behind. My Aunt wanted to get rid of them so I have wound up with them. They are made of aluminum and I believe one is full. I have had them on craigslist and thus far gotten no hits. Is there something I am missing? Are the tanks no good anymore? Do I empty them and scrap them as aluminum? Any advice for me on these? I really thaough a restaurant guy would be interested in them to work their fountains.
http://i.imgur.com/X4t4163.jpg
Those would make nice propane tanks for pipe soldering.
In my own personal experience, folks on Craigslist don't buy much - they seem to want everything for free.
The places where i've worked always had their bottled gas delivered. A company that deals in compressed gasses will send a truck around that drops off full tanks & picks up the empties.
Not many people bother to own their own tanks anymore. Maybe some scuba divers and a few welders ?
Those tanks are most likely owned by a company. There should be some information on them regarding who is the owner. Most places won't fill them because they are "stolen". In your case, it's more than likely they were just lost in a shuffle.
I have sold tanks to guys that have a Kegerator at home and use it to push the beer to the tap. Not sure what state you live in but from what I understand CO2 is also used by the "grow your own crowd".
Like said above...If it has "Property of" on it they might have to shop around to get it filled.
Also if it's is for CO2 then it is NOT for scuba. No scuba shop would fill it for you plus the valve is different. Mike
Tanks look old looks like a date on one of them. Tanks need to be checked and re stamped every so often (10 years I think). If these are not marked property of, I would see who the home brew people buy there tanks from, they may be interested take them off your hands and get them re certified for use. And around here if a yard would even buy them they would need to be broken all the way down. Or a hole in them and then it would be only dirty alum price or maybe dirty brass price.
Yep, definitely not scuba. They're CO2 for a soda fountain. Times have changed and there's not much call for them anymore. They aren't too hard to break down for scrap. Just make sure the tank is empty. Pull the snap ring that holds the collar in place and remove that. Strap the tank down to something solid with a ratchet strap and use a 24" pipe wrench -or- a large adjustable to remove the valve. You can cut the brass valve off with a sawzall too but it's a bit more work.
Don't know how the aluminum would be, but i've seen the steel O2 tanks turned upside down and hung on a tripod. They make a really kool bell. :)
The other thing is that they would be great as storage tanks for an air compressor. A bit heavy, but they would never rust out. Once you pull the valve it's just a standard pipe thread going into the tank. Looks like either 1" or 1 & 1/4" NPT. You could just use standard pipe fittings & valves that you can get at the hardware store to plumb them up.
I use one of these to refill my paintball bottles. It saves a lot and you don't have to haul em in to get them refilled. You just need an adapter and be sure to turn them upside down when filling paintball.
I would relist them on craigslist in the sporting goods section for paintball.