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45V64 - Weldcraft Large Diameter Gas Lens 3/32 Inch (2.4mm) for 17/18/26 Series

Packaging: 1 per ea
$49.63/ea $32.62/1 per ea only $32.62/eaSave 34%

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OVERVIEW

Technical Overview: Weldcraft 45V64 Large Gas Lens

The Weldcraft 45V64 is a large diameter gas lens collet body designed for use with 3/32-inch (2.4mm) tungsten electrodes. It is engineered for compatibility with the industry-standard 17, 18, and 26 series TIG torches (including WP-17, WP-18, WP-26, and their valve/flex counterparts). This component serves as a direct replacement for standard collet bodies but offers significantly enhanced performance characteristics regarding gas fluid dynamics.

Standard collet bodies often produce a turbulent gas exit profile, which can aspirate atmospheric air into the weld zone if the stick-out is too long or the torch angle is aggressive. The 45V64 utilizes a precision mesh screen assembly to rectify this flow, creating a laminar stream of shielding gas. This laminar column is stiffer and more resistant to cross-drafts, providing a wider and more reliable envelope of protection around the weld pool. This is particularly critical when welding reactive alloys such as Titanium, Stainless Steel, or Inconel, where even minor atmospheric contamination can lead to immediate weld failure or discoloration.

Constructed from high-grade copper and brass, the 45V64 ensures excellent thermal and electrical conductivity, maintaining the duty cycle ratings of your torch setup. To utilize this large gas lens, welders must pair it with the appropriate large diameter alumina nozzles (typically the 57N series) and the correct insulator (54N63) to ensure proper fitment on the torch head. It is an indispensable tool for pipe welders and fabricators requiring extended reach and superior gas coverage.

Specifications and Compatibility

  • Part Number: 45V64
  • Tungsten Size: 3/32" (2.4mm)
  • Torch Series: 17 (Air Cooled), 18 (Water Cooled), 26 (Air Cooled)
  • Flow Characteristic: Laminar / Low Turbulence
  • Required Insulator: Large Lens Insulator (e.g., 54N63)
Additional Information
Brand:Weldcraft
Item:Gas Lens
Packaging Description:1-per-ea
Diameter:3/32 in
Consumables Type:Gas Lens
Tungsten Diameter:3/32"
Torch Model:WP-17, WP-18, WP-26, 17 Series, 18 Series, 26 Series
Material:Copper, Brass
Cooling Method:Air Cooled, Water Cooled

INCLUDED

  • (1) Large Diameter Gas Lens, 3/32" (2.4mm)

APPLICATIONS

  • Precision TIG welding of Stainless Steel and Aluminum
  • Pipe welding requiring extended tungsten stick-out
  • Automotive fabrication (roll cages, exhausts)
  • Aerospace and reactive metal welding
  • Maintenance and Repair Operations (MRO)

FAQ

The 45V64 fits 17, 18, and 26 series TIG torches. This includes models like the WP-17, WP-18, WP-26, and equivalent torches from other brands like CK Worldwide (3 series) and Radnor.

This specific gas lens is designed for 3/32" (2.4mm) diameter tungsten electrodes.

Yes, because this is a 'Large Diameter' gas lens, you typically need a specific large gas lens insulator (often part number 54N63) to fit it correctly to your torch body.

A gas lens uses a mesh screen to smooth out the flow of shielding gas, reducing turbulence. This allows you to extend the tungsten further out for better visibility without losing gas coverage.

No, you must use large diameter gas lens nozzles (cups), typically the 57N series (e.g., 57N74, 57N75), as the thread size and diameter are larger than standard cups.

Yes, the Weldcraft 45V64 is typically sold as a single unit (1 per package).

Yes, the improved gas coverage helps prevent oxidation (sugaring) and discoloration on stainless steel welds, resulting in cleaner, higher-quality joints.

It is constructed from high-quality copper and brass to ensure good electrical conductivity and heat resistance.