Heavy Duty TIG Welder with DC Pulse
TIG 300/400/500 DC Pulse
A compact, air-cooled TIG/Stick inverter welder designed for AC and DC welding.
- Uses stronger and more durable material
- Water Cooler compatible.
- Equipped with selected and reliable accessories to enhance the welder’s experience.
- Industrial level welder with a higher redundancy design increases reliability, extends service life, and enhances durability.
Product Overview
Quick Highlights
- Dual Voltage Available (120V/240V) – flexible input power for workshop or field use
- Up to 325A Output – capable of handling thicker materials and high-amperage applications
- AC/DC TIG + Stick Modes – multiple welding processes built into one machine
- Wide Pulse & Frequency Control – improved arc stability and heat management
- Water Cooler Compatible – supports longer welding sessions under higher loads
- Foot Pedal Ready – precise real-time amperage adjustment across all models
- 3-Year Warranty + U.S. Support – dependable service and long-term support
Versatile Welding Applications
- AC mode helps clean aluminum oxide for cleaner aluminum welds
- DC mode delivers stable performance on steel, stainless steel, and copper
- Suitable for fabrication, repair, garage work, and general maintenance applications
- Compact inverter design allows easier transport and flexible setup
Clear Control: The Pulse of Professional Precision
Master your craft with an interface where balanced design meets industrial power. GWELL's high-definition digital display and intuitive knob navigation provide full visibility into every welding parameter. This precise control system—a result of thoughtful R&D—allows for the fine-tuning of current and pulse values with absolute confidence. Built with solid materials, our interface ensures reliable, professional performance, helping welders maintain consistent Pro-level control in any industrial task.
Smart Memory Function: Instant Recall for Pro Productivity
Efficiency meets expertise. GWELL's advanced memory function stores up to 20 sets of custom welding parameters—10 for TIG and 10 for Stick—acting as a digital library of your best work. This balanced design allows for the precise and instant recall of frequently used settings, ensuring consistency across every project. Engineered through thoughtful R&D and built with solid materials, our system delivers the reliable, professional performance needed to streamline your workflow and maintain a Pro edge.
Related Solutions
Automotive
From thin-gauge body panels to heavy-duty chassis components, GWELL provides the precise arc control and reliable performance required for the modern automotive industry. Our Pro-tier technology ensures every joint meets the highest safety and aesthetic standards.
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General Fabrication
The ultimate TIG welder solution for diverse fabrication needs. Built with solid materials and thoughtful R&D, our machines offer the precise control required for stainless steel and the reliable power for carbon steel. Experience professional performance in a balanced design engineered for the versatile fabricator.
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Heavy Fabrication
The ultimate TIG welder solution for heavy-duty industrial demands. Built with solid materials and thoughtful R&D, our machines offer the precise control required for high-integrity stainless steel joins and the reliable power needed for deep penetration in thick carbon steel. Experience professional performance in a balanced design engineered for the most demanding fabrication environments.
Learn moreFAQ
Passing 100% radiographic or ultrasonic testing under AWS D1.1 and ASME Section IX requires precise line energy containment. This series utilizes a high-speed Closed-Loop Digital Signal Processor (DSP) that controls droplet detachment dynamics at kilohertz frequencies. Welding engineers can lock precise pulse frequency grids to restrict the overall heat-affected zone (HAZ), guaranteeing microstructural grain refinement and clean volumetric pass rates.
Let’s Start the Conversation
Whether you’re looking for product information, OEM/ODM support, technical assistance, or after-sales service, our dedicated team is ready to help. Every inquiry is personally reviewed and followed up on to ensure clear communication and responsive support.
Dedicated Support Team
Every inquiry is handled by a dedicated team member to ensure timely communication and efficient follow-up.
- Product Consultation
- OEM / ODM Support
- Technical Assistance
- After-Sales Service