Victor TurboTorch 0386-0820 PL-12A Tip Swirl, Air Acetylene, Self Lighting features an orifice screw that can be easily removed for simple cleaning or replacement, extending the life of the tip. Process includes Air Acetylene. Silver solder is 1-2 inches and the soft solder is 2-4 inches. The BTU is 3,360. Industrial applications are high capacity and HVAC. Tip size is 3/8 inch. Gas flow is 9 at 14 PSI SCFH and .76 at (0.9 BAR) M3/HR.