Re: Oxyacetylene tanks pressure -- The Welding Forum

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Subject: Re: Oxyacetylene tanks pressure

Author:
Larry Loo, M.D.

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Date Posted: 16:08:58 01/12/03 Sun
In reply to: mike 's message, "Oxyacetylene tanks pressure" on 22:35:59 01/10/03 Fri

I have not heard of an oxygen cylinder that stands 66" tall. I am sure that they exist but it would be very unusual to find one as large as this being used for welding purposes. I have a 280 cu. ft. oxygen cylinder and an argon one of the same size. Both are 55" tall, to the top of the valve, with a diameter of 9". The 280 cu. ft. cylinder is one of the most common sizes available at welding supply firms.

I don't know what a tank of this size would sell for in your area, but, I purchased my oxygen tank for about $150 - about 15 years ago here in California. I purchased my argon tank for about $220 3 or 4 years ago. Are you sure that your friend sold you the cylinder as well as the oxygen in it? Perhaps he charged you for the oxygen plus enough to cover a year's rental of the tank. I suggest that you obtain from him the original receipt that he received when he purchased the tank from a dealer. You may need it in the future to prove that you own the tank outright and that it not a rental tank or a stolen one. If you have a 280 cu. ft. oxygen tank, an appropriate companion acetylene tank might be a 190 cu. ft. or a 225 cu. ft. ("E" tank) one. If you plan to do a lot of cutting with your torch, you will consume a lot more oxygen (in proportion to acetylene) than you would if you were just welding. Around here an "E" tank probably would sell for $175 - $200. Look at the date of last testing stamped on the oxygen cylinder. If more than 10 years have gone by since it was tested, you will more likely than not be charged $25 - 40 for retesting of it when you exchange it or get it refilled. It may be more economical to exchange it before the 10 years are up, even if the tank were still partially filled since a full tank of welding oxygen is less than the retesting cost.

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Replies:

Subject	Author	Date
Re: Oxyacetylene tanks pressure	mike	20:52:35 01/12/03 Sun