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12401884 - Tweco Velocity VNH622C Heavy Duty MIG Nozzle 5/8 Bore 1/8 Recess (2-Pack)

Packaging: pack of 2
$45.53/EA $43.56/pack of 2 only $21.78/EASave 52%

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SKU: TWE1240-1884 Categories: , ,

OVERVIEW

Tweco Velocity VNH622C Heavy Duty MIG Nozzle Overview

The Tweco 1240-1884 (VNH622C) is a premium heavy-duty MIG gun nozzle designed specifically for the Tweco Velocity™ consumables platform. Engineered for professional industrial environments, this nozzle features a 5/8-inch (15.9 mm) bore orifice, making it an ideal choice for medium to high-amperage welding applications where substantial shielding gas coverage is required. The nozzle is constructed from high-grade solid copper, which provides excellent thermal conductivity, ensuring that heat is efficiently dissipated away from the front end of the MIG gun. This results in cooler operation and extended consumable life compared to standard multi-piece nozzle designs.

One of the defining characteristics of the VNH622C is its 1/8-inch (3.2 mm) recessed tip relationship. By positioning the contact tip slightly back inside the nozzle, the design offers enhanced protection against spatter buildup and accidental short-circuiting against the workpiece. This recess is particularly beneficial when welding at higher currents or in tight corners where the nozzle might contact the base metal. As part of the Velocity system, this nozzle integrates seamlessly with Velocity gas diffusers and conductor tubes, utilizing a design that minimizes threaded connections to optimize electrical flow and arc stability.

This package contains two (2) VNH622C nozzles, ensuring operators have a spare on hand to maintain productivity. The heavy-duty wall thickness of the VNH series withstands the rigors of high-heat spray transfer welding and aggressive fabrication environments. Whether used with Tweco Spray Master™ V-Series guns or other MIG torches converted to the Velocity platform, these nozzles deliver consistent gas flow and reliable performance. The precision-machined bore ensures a laminar gas flow pattern, reducing turbulence and porosity in the weld pool.

Technical Specifications:

  • Part Number: VNH622C (1240-1884)
  • Bore Size: 5/8" (15.9 mm)
  • Tip Relationship: 1/8" (3.2 mm) Recessed
  • Material: Solid Copper
  • Duty Rating: Heavy Duty
  • Compatibility: Tweco Velocity™ Series MIG Guns
Additional Information
Brand:Tweco
Item:Nozzle
Packaging Description:2 in a pack
Series:Velocity
Bore Size:5/8" (15.9 mm)
Tip Relationship:1/8" Recessed
Duty Rating:Heavy Duty
Material:Copper
Part Number:VNH622C

INCLUDED

  • 2 x Tweco Velocity VNH622C Heavy Duty MIG Nozzles

APPLICATIONS

  • Heavy Industrial Fabrication
  • Structural Steel Welding
  • Shipbuilding and Offshore
  • Automotive Manufacturing
  • General Manufacturing
  • Pipeline Welding

FAQ

The VNH622C is compatible with Tweco Spray Master™ V-Series MIG guns and any other MIG gun that has been converted to use the Tweco Velocity™ consumables platform.

This nozzle has a 5/8-inch (15.9 mm) bore orifice.

The VNH622C features a 1/8-inch (3.2 mm) recessed tip relationship.

This product (SKU 12401884) contains a package of 2 nozzles.

VNH stands for Velocity Nozzle Heavy Duty, which has thicker walls for higher heat applications, while VNS stands for Velocity Nozzle Standard, used for light to medium duty.

It is made of solid copper alloy for maximum thermal conductivity and durability.

Yes, the 5/8-inch bore and heavy-duty construction make it excellent for spray transfer applications requiring high heat and good gas coverage.

The Velocity system uses a unique engagement method; while the nozzle attaches securely, the platform is known for minimizing threaded connections in the conductor path to improve electrical efficiency.