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If you are running an ESAB PT-251 torch and noticing that your cuts are starting to wander, bevel, or leave behind heavy dross, it is likely time to check your nozzle. The ESAB 21442 Nozzle is the standard replacement tip for 150 Amp cutting operations. With a .093-inch orifice, this nozzle is sized perfectly to handle the high current required for slicing through thick plate steel, stainless, or aluminum. Don't let a blown-out tip compromise your work; swapping in a fresh OEM nozzle is the quickest way to get your machine cutting like new again.
Plasma cutting relies on a constricted arc to melt and blow away metal. The nozzle is the funnel that shapes that arc. Over time, the heat and the pilot arc can erode the bore of the nozzle, making it oval-shaped or wider than spec. When this happens, the arc loses focus, the voltage changes, and your cut quality plummets. This 21442 nozzle is built from high-quality copper that resists heat buildup, helping it hold its shape longer even during long cutting runs. It is designed to center perfectly in your PT-251 assembly, ensuring the gas flows evenly around the electrode.
Using the correct amperage rating for your nozzle is crucial. This specific unit is rated for 150 Amps. Running it at significantly lower amperages may result in an unstable arc, while exceeding the rating can instantly destroy the orifice. Always match your machine settings to your consumables. Whether you are operating a gantry system or a heavy-duty manual setup, keeping a few of these 21442 nozzles in your toolbox ensures you aren't left stranded in the middle of a job. Installation is simple: just unscrew the retaining cap, swap the part, and you are ready to spark up.
| Additional Information |
|---|
| Brand:ESAB |
| Item:Nozzle Tip |
| Packaging Description:1 Per Ea |
| Amperage:150 |
| Torch Model:PT-251 |
| Consumable Type:Nozzle |
| Orifice Size:0.093" |
| Process:Plasma Cutting |
| Material:Copper Alloy |
