Superior TIG 421 DC
Designed for the most demanding industrial applications, this DC TIG welding machine ranks in the highest tier dedicated to professionals and heavy industry. The 400V three-phase power supply and inverter technology allow it to handle high currents, ensuring stable arcs and precision welds on significant thicknesses. It is ideal for shipbuilding, metal construction, the chemical industry, and the maintenance of complex industrial plants, where prolonged duty cycles and maximum reliability are required. The rugged construction and ability to integrate with liquid cooling systems make it a tool dedicated exclusively to experienced operators, capable of withstanding intensive workloads in hostile environments.
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MakerSpecs Awards
Best value Professional · TIG welding (GTAW)
At €4000 it offers the best performance-to-price ratio among the 8 professional TIG welding (GTAW) machines, with a technical score of 67/100.
How we assign awards →Best price Professional · TIG welding (GTAW)
The lowest list price among professional TIG welding (GTAW) machines: €4000. The second cheapest starts at €6750. (Excluding manufacturer or retailer discounts.)
How we assign awards →Specifiche tecniche
| Parameter | Value | Source |
|---|---|---|
| Machine dimensions | 24 × 53 × 45 cm (9.4 × 20.9 × 17.7 in) | manufacturer website |
| Weight | 31.0 kg (68.3 lb) | manufacturer website |
| Power supply | 400 V / 50 Hz / 14000 W | manufacturer website |
| Welding type | TIG | Compiled by editorial team |
| Max welding current | 350 A | Compiled by editorial team |
| Power source technology | Inverter | Compiled by editorial team |
| Pulse capable | Yes | Compiled by editorial team |
| Input voltage | 400 V (three-phase) | Compiled by editorial team |
How we verify this sheet
Technical data verified on the manufacturer's official website (recording date shown above). Description, editorial notes and translations are written with the help of AI and reviewed by the author before publication: the numbers always come from the cited source. Read the full methodology →
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Updates to this sheet and Manufacturer Notes
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Sheet published Specifications updated: nome, fascia d'uso, attribute.input voltage, attribute.pulse capable, attribute.power source tech, attribute.welding current max a, attribute.welding type Price updated