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The 420243 is a premium oxygen/acetylene (O2/Air) nozzle specifically engineered for the Hypertherm XPR300 and XPR170 plasma systems. Constructed from high-purity copper alloy with a specialized silver-plating process, it delivers industry-leading thermal conductivity to withstand extreme heat loads. Its precision-machined orifice ensures a stable, focused plasma arc for superior cut quality and minimal dross on mild steel plates.
420243
HALANSM
HLN-420243
Copper Nozzle 420243 For Hypertherm XPR300 Plasma Cutting Torch Consumables (50A Mild Steel)
The nozzle is the final critical component in the plasma torch consumable stack. It compresses the plasma arc and directs the high-velocity gas stream to slice through metal with extreme precision. The HALANSM 420243 features a silver-plated copper construction that delivers superior thermal conductivity and resistance to the intense heat generated during 50A oxygen/air cutting operations.
Key Features
Precision-Machined Orifice: The internal bore is finished to exact OEM tolerances to ensure a consistent, stable plasma jet. This is critical for achieving clean, square-cut edges and minimizing dross on thin-to-medium mild steel plates.
Silver-Plated Conductivity: The advanced silver-plating process enhances electrical conductivity and protects the underlying copper from oxidation and erosion, significantly extending the nozzle's usable service life.
Optimized Gas Flow: The external contour and internal swirl geometry are precisely matched to the 50A shield cap and swirl ring assembly. This ensures perfect gas sealing and laminar flow alignment, preventing erratic cutting and double arcing.
Drop-In OEM Fit: Precision-machined threads and overall length ensure a perfect, hassle-free drop-in replacement for Hypertherm 420243 without requiring any modifications or shimming.
Compatible 50A (O₂/Air) Stack Reference
Pos | Part | Ref # |
|---|---|---|
Electrode | 420231 | 420231 |
Swirl Ring | 420233 | 420233 |
Nozzle | 420243 | 420243 |
Retaining Cap | 420365 / 420200 | 420365 / 420200 |
Shield Cap | 420237 | 420237 |
Water Tube | 420368 | 420368 |
Need help identifying other Hypertherm XPR consumables? Feel free to contact our support team for assistance.
Download the complete product brochure:
Cutting Effect Display
