ESAB Heliarc HW-13 is a heavy-duty 500-ampere machine-welding torch designed for high-quality welding of various metals. It supports both high-frequency-stabilized alternating current and straight-polarity direct current. The torch features quick-release collets for easy electrode adjustment, a variety of compatible ceramic cups and metal nozzles for different welding currents, and a water-cooling system for the torch body, water jacket, and power cable to prevent overheating.