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Trafimet PE0112 is the swirl ring used on the Trafimet Ergocut S75 and S105 plasma torches, fitted to many 70 A to 100 A air plasma cutters. This is an aftermarket part made to the same number and fit, for air plasma cutting.
The swirl ring (gas diffuser) sits between the electrode and the nozzle, insulates them from each other and spins the air around the arc.
Check the number on your old part or in the torch manual before ordering: it should read PE0112. Sold in packs of 2.
| Pack Size | 2 pieces per pack |
| Part number | PE0112 |
| Part | Plasma swirl ring |
| Fits | S75 / S105 (Trafimet) |
| Material | Heat resistant insulating material |
| Type | Aftermarket replacement |
| Stat. HS-Code | 851590 |
| Country of Manufacture | China |
| Trademarks | Trafimet, Ergocut, S75 and S105 are trademarks of their owners. Names and part numbers are for reference only; this is an aftermarket part, not made or approved by them. |
Trafimet S75 / S105
Match the part number on your old part before ordering.
| Dimensions | Trafimet Part No.(SPM Part No.) |
|---|---|
| swirl ring | PE0112(SPM-PLA-4976) |
Gas flow
The swirl ring spins the plasma gas around the electrode and centres the parts. Replace it when it is cracked, chipped, burned or its holes are blocked; a bad swirl ring shortens electrode and nozzle life.
We check what other aftermarket sellers charge for this same part. Their prices on the date we checked:
| Seller | Price | Checked |
|---|---|---|
| eBay (5 aftermarket sellers) (pack of 2) | USD 15.79 to 19.99 | 1 Nov 2026 |
| Amazon (2-pack listing) (pack of 2) | USD 16.09 | 1 Nov 2026 |
| Amazon (WeldingStop) (pack of 2) | USD 18.99 | 1 Nov 2026 |
| Walmart (marketplace) (pack of 2) | USD 21.48 | 1 Nov 2026 |
| Basic Welding UK (Parweld) (2 singles) | USD 35.56 | 1 Nov 2026 |
| Spare Part Mart (pack of 2) | USD 12.54 | Today |
Our price of USD 12.54 is 21% to 65% less than these sellers.
Found this part cheaper somewhere else? Send us the listing and we will beat it by 5% under our Price Beat Guarantee. Every order is also covered by our 30 day money back guarantee.
Yes, it was made for the Trafimet S75 / S105 (Trafimet). Check the old plasma swirl ring is marked PE0112 or one of the cross references, because makers change parts between serial ranges.
On the Trafimet S75 / S105 (Trafimet), it depends on hours and working conditions. Follow the machine service schedule, and change it when it shows wear rather than waiting for it to fail.
Leaks, noise, loss of performance, or visible wear compared with a new part. If in doubt, measure it against the sizes in the specifications.
Keep it until the new one is fitted and running. It is the quickest way to compare sizes, connectors and mounting if anything looks different.
Yes. Every order is covered by our 30 day money back guarantee. Keep it unused and in its packaging.
No. It is an aftermarket plasma swirl ring made to replace the Trafimet PE0112. It is not made by the original manufacturer; the number only shows what it replaces.
Live rates for the quantity selected, delivered to your door. Confirmed at checkout.
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