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2228184 - ESAB PM-359 MIG Gas Nozzle, 1/2-Inch Bore

Packaging: 1 per ea
$632.95/ea $404.58/1 per ea only $404.58/eaSave 36%

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SKU: ESB2228184 Categories: ,

OVERVIEW

Technical Overview of the ESAB 2228184 PM-359 Nozzle

The ESAB 2228184 is a specific gas nozzle from the PM-359 series, designed for use with compatible ESAB and legacy L-Tec MIG welding guns. This component plays a critical role in the Gas Metal Arc Welding (GMAW) process by directing the shielding gas flow around the contact tip and weld pool. The "50" designation in the product name refers to its bore diameter, which is 0.50 inches (1/2 inch). This intermediate bore size is widely utilized in general fabrication as it offers a balance between gas coverage and accessibility to tighter joints.

Manufactured from high-grade copper alloy, the PM-359 nozzle is engineered to withstand the high thermal loads associated with industrial welding arcs. The material provides excellent thermal conductivity, helping to dissipate heat away from the front end of the gun, thereby prolonging the life of the consumable and the insulator. The nozzle's internal geometry is machined to ensure laminar gas flow, minimizing turbulence that could aspirate atmospheric air into the weld zone and cause porosity.

This nozzle is intended for direct replacement on specific gun models that utilize the PM-359 consumable system. It is essential for maintenance personnel and welding engineers to verify gun compatibility, as the PM-359 series is distinct from other ESAB nozzle lines like the Tweco or Gun Master series. Proper installation ensures electrical isolation (where applicable) and correct nozzle-to-tip stickout relationships, which are vital for maintaining stable arc characteristics and consistent weld penetration.

Key Specifications:

  • Part Number: 2228184
  • Series: PM-359
  • Bore Diameter: 0.50" (12.7 mm)
  • Material: Copper Alloy
  • Application: MIG/MAG Welding
Additional Information
Bore Size:0.50 inch, 1/2 inch
Series:PM-359
Process:MIG (GMAW)
Packaging Description:1 Per Ea
Material:Copper Alloy
Component Type:Gas Nozzle
Compatibility:ESAB / L-Tec MIG Guns

INCLUDED

  • 1 x ESAB PM-359 MIG Gas Nozzle (0.50" Bore)

APPLICATIONS

  • General industrial fabrication
  • Automotive repair and manufacturing
  • Structural steel welding
  • Maintenance and repair operations (MRO)
  • Sheet metal work requiring 1/2" gas coverage

FAQ

The bore size is 0.50 inches (1/2 inch), indicated by the "50" in the product description.

It is manufactured from a high-quality copper alloy designed for heat resistance and durability.

No, it is specific to guns that accept the PM-359 series nozzles, often found on certain ESAB and legacy L-Tec MIG guns.

A 1/2-inch bore offers a balance of good gas coverage and joint accessibility, suitable for most standard welding applications.

While you can physically use it, gas nozzles are typically removed or replaced with a thread protector for self-shielded flux-cored welding to prevent spatter buildup inside the nozzle.

Replace the nozzle when the orifice becomes deformed, heavily spattered beyond cleaning, or if the insulator is damaged, as this disrupts gas flow.

The PM-359 series typically features a specific connection style (often slip-on with an insulator or threaded depending on the specific gun sub-model); check your gun's manual for the exact attachment method.

A 1/2 inch nozzle is versatile and works well with common wire sizes ranging from 0.023" to 0.045".