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KP4523-1-75R - Lincoln Magnum PRO Water-Cooled Nozzle 3/4 Inch Bore 1/8 Recess

Packaging: 1 of each
$45.22/ea $33.27/1 of each only $33.27/eaSave 26%

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OVERVIEW

High-Performance Nozzle for Magnum PRO Water-Cooled Guns

Maximize the efficiency of your high-amperage welding operations with the Lincoln Electric KP4523-1-75R Magnum PRO Water-Cooled Nozzle. Designed for professional welders who push their equipment to the limit, this nozzle is an essential component for Magnum PRO water-cooled MIG guns. When you are running high currents for extended periods, heat buildup is the enemy of both your equipment and your consumables. This nozzle is crafted from high-grade copper alloy materials that effectively resist spatter adhesion and withstand the intense thermal shock of heavy-duty welding.

Optimized Dimensions for Heavy Fabrication
The KP4523-1-75R features a generous 3/4-inch inner diameter. This wide bore is critical for applications requiring high deposition rates and large weld puddles, as it ensures that the entire molten pool remains blanketed in shielding gas. Insufficient gas coverage is a leading cause of weld defects, but the wide opening of this nozzle guarantees a robust gas shield. Additionally, the 1/8-inch recess is a strategic feature for many operators. By recessing the contact tip, the nozzle acts as a shield for the tip itself, reducing the accumulation of spatter on the tip face and preventing burn-backs. This configuration is ideal for spray transfer modes and other high-heat processes where the arc is intense and the stickout needs to be carefully managed.

Durability and Fitment
Magnum PRO consumables are built with a focus on longevity and performance. The single-piece design of this nozzle ensures excellent electrical insulation and thermal conductivity where it matters most. It fits securely onto the gun tube, preventing gas leaks that could aspirate air into the weld zone. For welders working in shipyards, heavy equipment manufacturing, or structural steel erection using water-cooled systems, this nozzle delivers the consistency needed to meet strict code requirements.

Key Benefits:

  • Superior Gas Coverage: 3/4" ID handles high gas flow rates without turbulence.
  • Tip Protection: 1/8" recess keeps the contact tip cooler and cleaner.
  • Heavy-Duty Build: Designed specifically for the thermal loads of water-cooled guns.
  • OEM Quality: Genuine Lincoln Electric part guarantees perfect fit and function.

Keep your production line moving and your welds clean with the reliable performance of Lincoln Electric Magnum PRO consumables.

Additional Information
Brand:Lincoln Electric
Item:Nozzle
Packaging Description:1 per each
Series:Magnum PRO
Cooling Method:Water-Cooled
Nozzle ID:3/4" (19.1 mm)
Tip Recess:1/8" (3.2 mm)
Compatibility:Magnum PRO Water-Cooled MIG Guns

INCLUDED

  • 1 x Lincoln Electric KP4523-1-75R Magnum PRO Water-Cooled Nozzle

APPLICATIONS

  • Heavy Fabrication
  • Structural Steel Welding
  • Shipbuilding
  • Automotive Manufacturing
  • High-Amperage MIG/MAG Welding

FAQ

This nozzle is designed specifically for Lincoln Electric Magnum PRO Semi-Automatic Water-Cooled Welding Guns.

The nozzle has a 3/4-inch (19.1 mm) inner diameter (ID), suitable for high-amperage applications requiring broad gas coverage.

This nozzle features a 1/8-inch (3.2 mm) recess, meaning the contact tip sits 1/8 inch inside the nozzle opening.

A recessed nozzle protects the contact tip from excessive heat and spatter, and can help focus the shielding gas column, which is beneficial in high-heat spray transfer welding.

No, this specific part number is designated for Magnum PRO Water-Cooled guns. Air-cooled guns typically use different nozzle series within the Magnum PRO line.

This product is sold as a single unit (1 per package).

It is manufactured from a durable copper alloy designed to withstand high temperatures and resist spatter adhesion.

Magnum PRO nozzles typically work with a specific insulator/diffuser system on the gun; ensure your gun is equipped with the standard Magnum PRO water-cooled front-end parts.