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The Hypertherm 220990 is a 105 A plasma cutting nozzle manufactured from a copper-zirconium alloy. It is engineered for use with Duramax and Duramax Hyamp torches, specifically for the Powermax105 system. The nozzle features a 1.4 mm orifice and is compatible with MAX45, MAX65, and MAX85 systems when utilized with the 059477 torch assembly. It supports both drag and mechanized cutting processes and is designed to maintain dimensional tolerances within ±0.02mm throughout its operational lifespan.
Features
Copper-zirconium alloy formulation for thermal cycling resistance
Internal swirl chamber with seven angled channels for laminar plasma stream production
Outer ceramic coating for resistance to spatter and slag adhesion
Threaded mating surface calibrated to OEM torch head pitch and torque specifications
Hex base design for removal via needle-nose pliers
Manual removal compatibility with torch retaining caps
Metallurgy designed for carbon buildup resistance when cutting painted or galvanized metals
Internal gas flow dynamics calibrated for MAX series power supply pressure curves
