951000094 - Miller PipeWorx 400 Pipe Fabrication System 230/460V

Miller PipeWorx 400: Designed by Welders, For Welders

Take control of your pipe fabrication workflow with the Miller PipeWorx 400 Welding System (951000094). This complete package is built from the ground up to solve the common frustrations of pipe welding. Whether you are laying down a critical root pass or filling a heavy-wall joint, the PipeWorx 400 simplifies the process, allowing welders to focus on the puddle rather than the machine settings. With its intuitive front panel and clearly labeled controls, setting up a new weld process takes just seconds, drastically reducing training time and the potential for setup errors.

One-Touch Process Changeover

Gone are the days of walking back to the machine to swap leads or change polarity. The PipeWorx 400 utilizes Quick-Select technology. Simply push a button to select your process—Stick, DC TIG, MIG, or Flux-Cored—and the machine automatically sets the correct polarity and outputs. The innovative dual-feeder system allows you to have two different wires spooled and ready; the machine detects which gun you pick up and instantly recalls the stored parameters for that specific side. This seamless transition keeps you under the hood and welding, not fiddling with equipment.

Superior Arc Performance

The PipeWorx 400 is loaded with advanced waveforms tailored for pipe. The RMD (Regulated Metal Deposition) process makes open-root welding easier and more forgiving, delivering high-quality beads even with less-than-perfect fit-up. For fill and cap passes, the Pro-Pulse process provides a spatter-free arc with excellent fusion and travel speeds. The system also includes standard Stick and DC TIG capabilities with Lift-Arc or HF start, ensuring you have the right tool for every joint configuration found in process piping and pressure vessel work.

What's in the Box?

This turnkey package includes everything you need to upgrade your weld cell immediately:

• PipeWorx 400 Power Source: 230/460V 3-Phase reliability.
• Dual-Wire Feeder: With digital meters and memory presets.
• Two Bernard PipeWorx Guns: 300A rated, designed for comfort and visibility.
• Running Gear: Heavy-duty cart with dual cylinder rack.
• Cable Kit: Includes 25ft work lead and all necessary interconnects.

Backed by Miller's True Blue 3-Year Warranty, the PipeWorx 400 is the investment that pays for itself through reduced rework and faster turnaround times.