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Turbotorch swirl tip question

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Comments

  • ChrisJ
    ChrisJ Member Posts: 16,715
    SWEI said:

    This is a big part of why we ditched acetylene for propylene a couple of years back. The reduction in uncertainty and complexity has measurable value IMO.
    I had \ have no choice.
    I need the heat for brazing and propylene isn't going to deliver.

    Single pipe 392sqft system with an EG-40 rated for 325sqft and it's silent and balanced at all times.

  • SWEI
    SWEI Member Posts: 7,348
    ChrisJ said:

    I need the heat for brazing and propylene isn't going to deliver.

    Have you actually tried it?
  • ChrisJ
    ChrisJ Member Posts: 16,715
    edited May 2016
    SWEI said:

    Have you actually tried it?
    Personally no, but going off of what everyone has told me, I'd need oxy mapp or oxy propane for brazing. If I was going to go through all that I'd do an oxy acetylene setup so at least I could also use it for cutting and welding. So I'd still be back to a B tank either way.

    Also going off of what I've learned, even if you could braze with it, you'd need a much bigger tip for the same performance. That comes with drawbacks.


    Single pipe 392sqft system with an EG-40 rated for 325sqft and it's silent and balanced at all times.

  • SWEI
    SWEI Member Posts: 7,348
    In case anyone wants to try, the Uniweld FV600 will adapt a CGA200 (MC regulator) to a CGA600 (14oz disposable MAP/Pro or LPG cylinder.) They're fairly popular as a backup option.
  • ChrisJ
    ChrisJ Member Posts: 16,715
    SWEI said:

    In case anyone wants to try, the Uniweld FV600 will adapt a CGA200 (MC regulator) to a CGA600 (14oz disposable MAP/Pro or LPG cylinder.) They're fairly popular as a backup option.

    Do you need to change anything else, or just swap that in with a tank and you're burning?

    Single pipe 392sqft system with an EG-40 rated for 325sqft and it's silent and balanced at all times.

  • SWEI
    SWEI Member Posts: 7,348
    That's it, at least for occasional use. Oh, and don't use your Grade R hose below -10°F ambient.
  • ChrisJ
    ChrisJ Member Posts: 16,715
    SWEI said:

    That's it, at least for occasional use. Oh, and don't use your Grade R hose below -10°F ambient.

    If I'm brazing a monitor top when it's -10F or colder in the room I've got some serious issues.

    What happens to the hose below -10F? Cracks?

    Single pipe 392sqft system with an EG-40 rated for 325sqft and it's silent and balanced at all times.

  • SWEI
    SWEI Member Posts: 7,348
    edited May 2016
    ChrisJ said:

    What happens to the hose below -10F? Cracks?

    Propylene stops vaporizing well, liquid can get into the line and degrade the liner. Grade T hose has a different liner that is resistant.

    Note that (unlike acetylene) you actually can braze with propylene in ambient temps as low as -5°F.

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