The Duralloy® 250 AC/DC is a professional pulse TIG welder featuring advanced SiC technology for high efficiency, stable arc performance and precise welding control.
Suitable for aluminium, stainless steel, mild steel and other metals, it provides AC and DC TIG welding with a choice of square, sine and triangle AC waveforms. Adjustable pulse settings, AC balance control and spot welding give operators greater control over heat input, penetration and weld appearance.
The easy-to-navigate digital LCD control panel includes HF start, Lift TIG, 2T/4T trigger operation and memory for up to 10 welding programs. AC/DC MMA capability provides additional versatility for workshop, maintenance and professional fabrication applications.
SiC and Power Factor Correction technology support efficient operation, reduced current draw and improved generator compatibility. The compact multi-voltage design supports 110V and 240V single-phase input and is fitted with a 15A plug.
Key Features
- 250 amp AC/DC pulse TIG welder
- Advanced SiC power technology
- Power Factor Correction technology
- 110V/240V multi-voltage input
- Digital LCD control panel
- Square, sine and triangle AC waveforms
- Pulse frequency adjustable from 0.5–999Hz
- Pulse width adjustment from 5–95%
- HF start and Lift TIG modes
- 2T and 4T trigger operation
- AC balance control
- AC and DC TIG spot welding
- 10 job memory programs
- AC/DC MMA welding capability
- IP21S protection rating
- Net weight: 15.3kg
Duty Cycle
- AC TIG at 40°C: 35% at 250A, 60% at 190A and 100% at 150A
- DC TIG at 40°C: 40% at 230A, 50% at 190A and 100% at 145A
What's Included
- Duralloy 250 AC/DC power source
- 8m 26 TIG torch with current control
- 3m earth lead
- Argon regulator
- 1.5m gas hose
- Owner’s manual
Warranty
Three-year warranty on the power source. The supplied TIG torch and regulator are covered for three months. Consumables are excluded. Warranty is subject to the terms in the owner’s manual.
Lodge a ticket to receive help on your Duralloy machine concerns, or register your new product here.
Download the official datasheet with key specifications, ratings, dimensions, and compliance details for this model.
Access the complete user manual covering installation, operating instructions, maintenance, and safety information.
FAQ's
What makes Duralloy machines different?
Duralloy® machines are engineered for Australian conditions — reliable, efficient, and job-ready. Every unit is tested for consistent performance across workshop and on-site environments, backed by a strong local service and warranty network through Duralloy Welding Supplies.
Are Duralloy welders suitable for both workshop and field use?
Yes. All Duralloy machines are built to handle demanding site conditions while maintaining precision and control for workshop fabrication. Many models include features such as Power Factor Correction (PFC) and advanced inverter technology for stable operation on long extension leads or generators.
What is the warranty on Duralloy machines?
Most machines come with a 3-year manufacturer's warranty, covering parts and labour for manufacturing defects under normal use. Consumables and accessories are not covered. For full terms, refer to the warranty card or contact your nearest authorisedDuralloy service centre.
Can I buy directly from Duralloy?
Duralloy products are available through our authorised distributors and partner stores nationwide. Visit our 'Find a Stockist' page to locate your nearest supplier or reach out through the 'Contact Us' page for assistance.
How do I know which welder is right for my job?
The right machine depends on your application, material thickness, and power supply.MIG/Multimig – best for fabrication, fencing, and general repair work. TIG – ideal for stainless and aluminium requiring precision and finesse. MMA/Stick – great for outdoor or remote jobs using basic 10A/15A outlets. Plasma Cutters – for clean, controlled metal cutting.If you're unsure, your local Duralloy distributor or our support team can guide you.
Do Duralloy machines meet Australian Standards?
Yes. All Duralloy equipment complies with relevant AS/NZS electrical and safety standards and undergoes quality assurance in line with Duralloy Welding Supplies' internal compliance framework.
Are spare parts and consumables available?
Yes. Duralloy maintains strong local parts availability for torches, cables, tips, rollers, and other consumables. Your authorisedstockist can assist with orders or replacements.
Can I run Duralloy welders on a generator?
Most models support generator use. Check your manual for minimum generator kVA ratings and ensure you use an AVR-type (Automatic Voltage Regulation) generator for stable output.
Where can I download manuals and datasheets?
Each product page includes downloadable Owner's Manuals, Datasheets, and sometimes Setup Guides. These can also be requested through the 'Support page' if unavailable online.
Do you offer after-sales service?
Yes. Duralloy Welding Supplies provides nationwide service support through its Silverwater, Macarthur, and Illawarra locations, along with authorised repair partners. Warranty and out-of-warranty repairs are handled by trained technicians using genuine Duralloy parts. Call 1300 369 456 for technical support.
Are Duralloy machines suitable for beginners?
Absolutely. Entry-level models like the Mini MIG and MMA inverters are perfect for DIY, farm, and light fabrication work. Each comes with intuitive controls and clear setup guides for ease of use.
How do I register my Duralloy machine for warranty?
Warranty registration can be completed through your distributor at the time of purchase or via our online registration form. Keep your proof of purchase for verification.
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