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welding an air tank?

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  • #16
    I saw a set up once with a gang of 3 old Argon/CO2 welding tanks set up for a air compressor.

    These tanks also were short a few holes for drains, outlets, inlets, relief valves, etc. The guy mounted them upside down in a rack with the outlets at the lowest point.

    Then, there was a reducing bushing, a nipple screwed in each one, and a few 'T's. The various 3rd points on the 'T's became outlets, inlets, cross overs, pressure sensor for the pump, and 'T's in the horizontal connecting pipes between the tanks had a relief valve, and finally a single drain outlet on the lowest point of one end. It was well thought out, and the manifold going across the bottom did everything it was supposed to do.
    "Gone are the days of wooden ships, and Iron men.
    I doubt we'll see either of their likes again".

    Circa 1920.
    Unknown US Coast Guard unit Commander.


    • #17
      All im gonna say is if your welding in any good I would do it but I would use 3/16" plate. but I would have that thing tested to see if it holds up to 500 psi.