Thermacut 120576 Swirl Ring (2-Pack) – Powermax 600/900 PAC123T/M, PAC125T/M Replacement
| QTY | Discount |
|---|---|
| 2+ | 3% |
| 10+ | 5% |
| 20+ | 7% |
Thermacut 120576 Swirl Ring (2-Pack) – Powermax 600/900 PAC123T/M, PAC125T/M Replacement
PART NUMBER 120576 | PACK SIZE 2 | SYSTEMS Powermax® 600/900 | TORCHES PAC®123T/M, PAC®125T/M | BRAND Thermacut |
The Thermacut 120576 Swirl Ring is an essential component for Hypertherm® Powermax® 600 and Powermax® 900 plasma cutting systems, designed for use with PAC®123T/M and PAC®125T/M torches. This crucial part precisely controls the swirling action of the plasma gas, which is vital for stabilizing the arc and ensuring efficient, clean cuts. Proper functioning of the swirl ring extends consumable life and contributes significantly to the overall cutting quality and performance of the plasma system. Order a genuine-fit Thermacut 120576 swirl ring 2-pack from MapleWeld today.
Key Features
- Genuine-fit replacement swirl ring for Hypertherm® Powermax® 600 and 900 systems
- Designed for PAC®123T/M and PAC®125T/M torches
- Controls the swirling action of the plasma gas
- Stabilizes the arc for efficient, clean cuts
- Extends consumable life and improves cutting quality
- Sold in a pack of 2
Technical Specifications
| Part Number | 120576 |
| Pack Quantity | 2 swirl rings |
| Compatible Systems | Hypertherm® Powermax® 600 / 900 |
| Compatible Torches | PAC®123T/M, PAC®125T/M |
| Brand | Thermacut (genuine-fit aftermarket) |
Part Number & Size Reference
| MW120576 — Swirl Ring, Pack of 2 (Powermax® 600/900) |
Other Products
Thermacut 120826 Nozzle 40A (5-Pack) | Thermacut 120600 Retaining Cap | 120303 Deflector
Maple Industrial Products Inc.
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Frequently Asked Questions
It injects plasma gas into the arc chamber at an angle, creating a tangential vortex that centers the arc on the electrode's emitter. That same swirling motion pushes cooler, un-ionized gas to the outer edge of the nozzle bore, which helps protect the nozzle while keeping the plasma core focused in the center.
Powermax 600 and Powermax 900 systems, using the PAC123T, PAC123M, PAC125T, or PAC125M torches.
Two per pack.
Since it centers and stabilizes the arc before it exits the nozzle, a properly functioning swirl ring is a key factor in arc focus, kerf consistency, and nozzle life. A damaged or worn swirl ring can disrupt that gas pattern and degrade all three.
Because it works closely with both, swirl ring wear often produces similar symptoms — an unstable arc or declining cut quality. If you've already replaced the nozzle and electrode and performance hasn't improved, the swirl ring is a reasonable next component to inspect.
It's generally a longer-lasting part than the nozzle or electrode since it's not directly in the arc path, but it does need periodic replacement as part of a full consumable inspection — there's no fixed interval, so condition-based replacement is the right approach.
Swirl rings for this application are commonly made from a high-temperature engineering plastic (such as Vespel) rather than metal, since the part needs to hold precise geometry without conducting the arc itself.
It's specified for Powermax 600 and Powermax 900 with PAC123/125-series torches. Powermax 800 uses its own parts list, so confirm compatibility separately rather than assuming the 600/900 swirl ring fits.
The nozzle, electrode, and retaining cap on the same PAC123/125-series torch, since all four work together to shape and direct the arc — a problem with any one of them can produce overlapping symptoms.
Yes — swirl ring geometry is torch- and amperage-specific, so a swirl ring built for a different Powermax torch (such as the Duramax series on Powermax 65/85/105) will not fit or perform correctly on a PAC123/125-series torch, even though the part looks similar.

