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907384 - Miller PipeWorx 400 575V Multiprocess Pipe Welder

Packaging: 1 PER EA
$22,969.24/ea $20,741.00/1 PER EA only $20,741.00/eaSave 10%

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OVERVIEW

Streamlined Pipe Fabrication Efficiency

The Miller PipeWorx 400 Power Source (575V) is engineered to address the specific challenges of modern pipe fabrication shops. In an industry where time is money and weld quality is non-negotiable, this system delivers a solution that simplifies complex procedures. The machine is designed to drastically reduce setup time and operator training requirements through its intuitive interface and intelligent process management.

One of the most significant operational advantages is the Quick-Select technology. In traditional setups, switching between a TIG root pass and a Flux-Cored fill pass requires manual cable swapping and polarity changes—a process that eats into productivity and invites connection errors. The PipeWorx system eliminates this by automatically selecting the correct welding process, polarity, and parameters as soon as the operator triggers the gun or selects the process button. This seamless transition keeps the arc on and production moving.

The system also integrates Miller’s proprietary RMD (Regulated Metal Deposition) and Pro-Pulse technologies. RMD is designed to compensate for operator variance, making it easier to deposit high-quality root passes even with high-low misalignment. This reduces the rework associated with lack of fusion or burn-through. Pro-Pulse offers a stable, spatter-free arc for fill and cap passes, improving deposition rates and reducing post-weld cleaning. Built with industrial reliability in mind, the unit features Wind Tunnel Technology to protect internal components from shop dust, ensuring a long service life and high return on investment.

Additional Information
Brand:Miller
Voltage:575 V
Amperage:400
Weld Process:Multi-Process
Duty Cycle:100%
Process Type:Multi-Process, MIG, TIG, Stick, Flux-Cored, RMD, Pulsed MIG
Input Phase:3-Phase
Output Range:400 A at 34 V (100% Duty Cycle)
Net Weight:225 lbs
Dimensions:28 in H x 19.5 in W x 31.75 in L
Warranty:3 Years
Packaging Description:1 PER EA

INCLUDED

  • Miller PipeWorx 400 Power Source (575V)
  • Short Gas Hose (for TIG block connection)
  • Note: Power cord, wire feeders, guns, and running gear are sold separately.

APPLICATIONS

  • Pipe Fabrication Shops
  • Field Construction
  • Refinery and Petrochemical
  • Power Generation Plants
  • Pressure Vessel Manufacturing
  • Shipbuilding

FAQ

This specific unit (SKU 907384) operates on 575V 3-Phase input power.

No, this SKU is for the power source only. The PipeWorx Dual Feeder or Single Feeder must be purchased separately.

RMD (Regulated Metal Deposition) is an advanced short-circuit MIG process that provides a calm, stable arc, optimized for root passes on pipe with high tolerance for misalignment.

Quick-Select automatically sets the welding process, polarity, and outputs based on which gun or process is activated, eliminating manual cable swapping.

It is rated at 400 Amps at 34 Volts with a 100% Duty Cycle.

While it has Wind Tunnel Technology to protect internals, it is primarily designed for indoor pipe fabrication shops.

Yes, the PipeWorx 400 supports Stick (SMAW) welding with optimized characteristics for pipe applications.

The package includes the PipeWorx 400 Power Source and a short gas hose. Power cord, feeders, and guns are sold separately.

CATALOGUE & SPEC SHEETS

Spec Sheet