Acetylene question

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  1. 67Dart273

    67Dart273 FABO Gold Member FABO Gold Member

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    In the mid 70's I got my own torch, and became a passable oxy/acet welder for things like exhaust, and at the time became fair at cutting. (Not so much anymore, LOL) In my HVAC days, of course used one a lot for brazing.

    I HAVE NEVER REALLY KNOWN THE ANSWER TO THIS............

    I realize acetylene must be used upright, but sometimes you must transport it lying down. WHAT IS THE TIME necessary to leave a bottle upright before use? 1 minute? 5? 5,000,000?
     
  2. Treblig

    Treblig Well-Known Member

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    • 67Dart273

      67Dart273 FABO Gold Member FABO Gold Member

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      ........And that says........

      Acetylene cylinders must be transported and
      stored vertically. If acetylene cylinders have been
      found laying on their side, allow them to stand in an upright
      position for at least 30 minutes before use. Acetylene cylinders
      contain a porous mass and liquid acetone that dissolves the gas.
      An upright position gives the liquid acetone time to settle back
      into its correct place in the porous mass. This prevents the release
      of solvent which can quickly vaporise and lead to problems that
      affect both safety and quality.

      So factoring in the "CYA" formula, that means maybe 5 minutes LOL
       
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      • Stephen Mulkey

        Stephen Mulkey FABO Gold Member FABO Gold Member

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        Great question and answer to a very important issue for everyone to know.
        Thank you Gentlemen.
         
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        • Treblig

          Treblig Well-Known Member

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          I always let my acetylene bottle stand for as long as possible after transporting in a horizontal position. One hour or a day if possible.
           
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          • Righty Tighty

            Righty Tighty FABO Gold Member FABO Gold Member

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            You don’t shake it vigorously immediately after transporting it on its side??

            50A47F10-0821-44D6-BD9E-3F461369C389.jpeg
             
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            • 67Dart273

              67Dart273 FABO Gold Member FABO Gold Member

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              I rarely need to do this. In my earlier years, I rarely transported them, and the bottles were always in a cart. In my HVAC days I used a little "suitcase" setup, and it was always vertical in the service van.
               
            • Demonic

              Demonic Well-Known Member

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              I always found it fascinating that an acetylene bottle holds more acetylene once you have the porous mass and acetone in there.

              upload_2022-6-23_18-31-8.jpeg
               
            • Tooljunkie

              Tooljunkie King of cobble/master of the broken bolt FABO Gold Member

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              Just watched a video of a guy taking a bottle apart. The material inside is diatomaceous earth. Interesting stuff.
               
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              • Treblig

                Treblig Well-Known Member

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                "diatomaceous earth" is used to kill bed bugs!!!
                 
              • TT5.9mag

                TT5.9mag Two atmospheres are better than one

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                My airgas representative at work says 4 hours.
                 
              • Ironracer

                Ironracer Gearhead

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                Airgas is Bigtime. All over...
                 
              • 67Dart273

                67Dart273 FABO Gold Member FABO Gold Member

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                HOLY TIME WARP, gasman!!
                 
              • gzig5

                gzig5 Well-Known Member

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                I did not know that, and I’ve been using oxy-acetylene for forty years. Don’t know how I missed that tidbit.
                 
              • RustyRatRod

                RustyRatRod I was born on a Monday. Not last Monday. FABO Gold Member

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                We use food grade DE to feed the cats mixed with their food. Nary a flea or tick and it makes their coats shiny healthy and smooth.
                 
                Last edited: Jun 24, 2022 at 2:51 PM
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                • Steve welder

                  Steve welder Well-Known Member

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                  The information is readily available by just doing a simple search.
                  There is NO excuses for transporting, storing acetylene bottles in the horizontal position
                  Used improperly a Oxygen/Acetylene welding burning setup is extremely dangerous
                   
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                  • YY1

                    YY1 Well-Known Member

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                    DE pulls moisture out of things.

                    It kills bugs by pulling all the moisture from their bodies.
                     
                  • Treblig

                    Treblig Well-Known Member

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                    Moisture or oils??
                     
                  • Dfr360cuda

                    Dfr360cuda Diagnosis... Plum Crazy.

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                    How about a Solid Ox Torch ?
                    Everyone had one back in the 70’s.
                     
                  • Krooser

                    Krooser Building Chinese Free Engines since 1959...

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                    My buddy used to have an antique acetylene generator. Used water and carbide to make the gas.

                    He would fill these giant baloons with the gas, tie off the ballon with a 30 sec fuse then light it off...big explosion. The problem was his shop was one mile from the airport in the flightpath.

                    The FAA was not amused.
                     
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                    • 67Dart273

                      67Dart273 FABO Gold Member FABO Gold Member

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                      I bet. When I got out of the Navy at 26, in 74, there was still an old guy in my home town with a little shop. He had a HUGE acetylene generator. "Somewhere" I still have an old miner's lamp
                       
                    • mopar head

                      mopar head Well-Known Member

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                      I carry mine flat, 10 min. is plenty to use them.
                      I remember a time when I must of used one right away, It just spit out a little liquid gas then acted normal . Lot of guys will mount them on a 45 and they will work fine.
                      On my truck they`re vertical, and my oxy`s are horizontal.
                       
                    • Steve welder

                      Steve welder Well-Known Member

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                      The liquid is acetone.
                       
                    • 4spdragtop

                      4spdragtop CONGRATS NORTH AMERICA! FABO Gold Member

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                      1st thing I thought of was my high school shop teacher saying "A before O or UP you go" lol
                       
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