Hey, I got the chance a few weeks ago to run a petrogen torch while in College Station, TX. Have any of you ever seen these, used them, or know about how much they cost? The way it works is you have a tank with gasoline in it, with a pump on it. You pump it up to 20 psi, set your oxygen flow and get with it. We were told that you didn't even have to preheat the metal with it. We were also told that you could cut up to 8 inches with it. It was quite a neat setup. I had never seen one before. We weren't doing delicate work, but I wondered the application for finer cuts.
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