O/A heating

admin

I have the correct gauge settings from the Victor chart for my MFA-4 heating nozzle but how do I adjust the flame for optimum heating? I am trying to straighten some 2x2 1/8" angle by clamping it to some 3/8 angle and heating it, the 1/8" has some serious bowing in two directions. In case you're wondering my acetylene cylinder is 140CF.ThanksMiller Challenger 172Miller Thunderbolt AC/DC 225/150Miller Maxstar 150 STLVictor 100CVictor JourneymanOxweld OAHarris O/ASmith O/A little torchNo, that's not my car.