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44.0350.3426 - Fronius MTW 500i Heavy Duty Contec Gas Nozzle

Packaging: 1 of each
$113.04/ea $80.74/1 of each only $80.74/eaSave 29%

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OVERVIEW

Heavy-Duty Fronius Contec Nozzle for Industrial Welding

The Fronius 44.0350.3426 Nozzle Contec HD is a critical consumable for professional welders utilizing the Fronius MTW 500i water-cooled MIG torch. In the world of high-amperage welding, the gas nozzle is the first line of defense against weld defects. It channels the shielding gas to the work area while withstanding the intense radiant heat of the arc. This specific model features the "Contec" design, which is engineered to provide superior laminar gas flow, ensuring that your shielding gas—whether Argon, CO2, or a mix—envelops the weld pool completely without turbulence.

Built to "Heavy Duty" (HD) specifications, this nozzle is thicker and more robust than standard alternatives. This makes it particularly suitable for high-duty-cycle applications where standard nozzles might overheat, deform, or accumulate excessive spatter. The thermal conductivity and heat resistance of the materials used in the 44.0350.3426 help dissipate heat effectively, working in conjunction with the water-cooling system of the MTW 500i torch to maintain optimal operating temperatures. This results in a consumable that lasts longer, holds its shape better, and maintains electrical insulation properties over extended periods of use.

For fabrication shops and manufacturing facilities, consistency is key. A worn or inferior nozzle can lead to inconsistent gas coverage, resulting in porosity and expensive rework. By choosing the correct Fronius Contec HD nozzle, you ensure that every weld bead receives the protection it needs. The nozzle's design also facilitates easier spatter removal, preventing the buildup that can eventually bridge the gap between the contact tip and the nozzle, causing short circuits or gas blockages.

Technical Advantages

  • Optimized for Water-Cooled Systems: Specifically calibrated for the thermal dynamics of the MTW 500i.
  • Contec Design: Promotes smooth, non-turbulent gas flow for high-quality radiographic welds.
  • Impact Resistance: Rugged construction withstands the rough handling typical of industrial environments.
  • Cost-Effective: Longer service life reduces the total cost of ownership for torch consumables.

Equip your welding stations with the Fronius 44.0350.3426 from Welders Supply. We understand the demands of professional welding and provide the high-quality consumables necessary to meet strict welding procedure specifications (WPS) and quality control standards.

Additional Information
Brand:Fronius
Item:Nozzle
Packaging Description:1 per each
Torch Compatibility:MTW 500i, Fronius Water-Cooled MIG Torches
Series:Contec HD
Part Type:Gas Nozzle
Cooling Method:Water Cooled

INCLUDED

  • 1 x Fronius Contec HD Gas Nozzle (44.0350.3426)

APPLICATIONS

  • Heavy industrial fabrication
  • Automotive manufacturing
  • Structural steel welding
  • High-amperage MIG/MAG welding
  • Robotic and automated welding cells using MTW 500i

FAQ

This nozzle is specifically designed for the Fronius MTW 500i water-cooled MIG torch series.

HD stands for 'Heavy Duty', indicating the nozzle is constructed with thicker or more durable materials to withstand higher heat and amperage.

Yes, this is a Fronius-compatible part designed to meet the specific requirements of their torch systems.

The Contec design optimizes gas flow dynamics to ensure better shielding coverage and arc stability compared to standard conical nozzles.

Yes, provided you are using the correct gas and wire setup for aluminum, the nozzle itself is suitable for the gas shielding required.

Replace the nozzle when spatter buildup cannot be removed, the orifice is deformed, or the insulation is compromised.

It is designed to fit the standard front-end assembly of the MTW 500i; ensure your torch head and insulator are in good condition for a proper fit.