Miller Electric’s SubArc Portable Welding System Offers Mobility and Flexibility


Miller Electric Mfg. Co., a leading worldwide manufacturer of arc welding equipment, has introduced the new SubArc Portable Welding System, a self-contained, ready-to-weld system that can be easily positioned and adapted to meet the needs of the application.

Built to provide exceptional flexibility in submerged arc welding (SAW) applications — including those found in pressure vessel, pipe fabrication, construction and manufacturing — the SubArc Portable Welding System contains the power source, column and boom on a mobile platform. The result is a compact, turnkey submerged arc welding solution.

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The new offering is designed for use with the SubArc Digital Series power sources from Miller, a lineup that includes DC power source models ranging from 650 to 1,250 amps, and an AC/DC model offering 1,000 to 1,250 amps.

“Because this system is on wheels, this unique product offering provides great flexibility and mobility for customers who need the ability to adapt their positioning equipment to various SAW application requirements,” said Kevin Kari, Market Segment Manager, Sub Arc Solutions Group, Miller Electric Mfg. Co. “This easy-to-adjust system saves time and helps customers maximize the productivity and efficiency benefits of the SAW process.”

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In many shop environments, the submerged arc welding application involves restricted space or confined parameters, which makes equipment flexibility a necessity. With built-in fork pockets and caster wheels, the SubArc Portable Welding System provides mobility options to move the entire system to the workpiece.

In addition, easy positioning of the weld head to the point of the weld on the workpiece is possible through use of an integrated motorized column, manual telescoping boom, cross slides and 360-degree column rotation. This contributes to the system’s ability to reach where the weld is needed.

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The system’s flexibility accommodates workpieces of various heights and sizes. The motorized column with pendant control provides 44 in. of vertical travel, and the manual telescoping boom provides 31 in. of horizontal travel. The manual cross slides provide fine vertical and horizontal torch adjustment.

The SubArc Portable Welding System packages are turnkey systems that include the following components:

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  • Portable column and boom
  • SubArc Digital power source
  • SubArc Interface Digital and Control Cable
  • SubArc Wire Drive 400 Digital Low Voltage
  • 25-lb capacity flux hopper with valve
  • 60-lb wire reel and spool support assembly
  • OBT 600 torch for the SubArc 650 Digital system or OBT 1200 torch for both SubArc 1000 Digital systems
  • Wire straightener
  • Manual cross slides

With a team of welding professionals dedicated to submerged arc welding, Miller designs and integrates the solution that best meets the needs of the customer’s application — and offers support following installation.

For more information on the SubArc Portable Welding System, customers can visit

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