Depends of the torch you are using, if you have a single ought or 0 then run the oxygen at about 17 pounds and the gas at 7 pounds, this should give you a good clean cut. Remember to turn on the gas all the way, since gauges run slightly off you may have to increase one or the other, on the handle and barrel assembly you can adjust the gas first light the gas then turn on the oxygen get a good blue flame all even on the tips then turn the oxygen knob all they way on then when cutting be sure to heat the metal forward and move forward at a 17 degree angle, when you hit the cutting lever after the metal turns molten hit the oxygen lever move evenly and slowly if you need help with welding with it let me know and I CAN GIVE YOU SOME TIPS ON GAS WELDING.
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