
The Hypertherm 120474 Swirl Ring is an essential component engineered specifically for the Powermax 1100 plasma cutting system and the PAC121 series torches. In the physics of plasma cutting, the swirl ring plays a pivotal role in fluid dynamics. It is responsible for metering the plasma gas and creating a high-velocity vortex around the electrode. This swirling action creates the centrifugal force necessary to center the arc on the hafnium emitter of the electrode, ensuring a stable, constricted plasma column.
Using a genuine OEM swirl ring like the 120474 is critical for maintaining the thermal balance within the torch head. It insulates the nozzle from the electrode and ensures that the cooling gas flows efficiently. A worn or damaged swirl ring can lead to arc wandering, which results in beveled cuts, reduced consumable life, and potential damage to the torch body. This component is manufactured from high-grade, heat-resistant composite materials designed to withstand the extreme thermal cycles of industrial plasma cutting.
For operators demanding precision, the 120474 ensures that the gas flow rate and swirl velocity match the factory specifications of the Powermax 1100. This alignment is crucial for achieving the rated cut capacity and quality, particularly when working with varying thicknesses of mild steel, stainless steel, or aluminum. Trusting OEM engineering guarantees that your equipment operates within its safe and efficient design parameters.
| Additional Information |
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| Packaging Description:1 of 1, pack of 1 |
| Item:Swirl Ring |
| Brand:Hypertherm |
| Compatible Brand/Model:Hypertherm Powermax 1100 |
| Part Number:120474 |
| Product Type:Plasma Torch Consumable |
| Torch Compatibility:PAC121, PAC121T |