
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:
| 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 |