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0157121017 - ESAB 45V43 1/16" Gas Lens Body for 9/20 Torches

Packaging: 10 per ea
$15.66/ea $106.30/10 per ea only $10.63/eaSave 32%

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OVERVIEW

Enhance Your TIG Torch Performance with ESAB 45V43

Upgrade your TIG welding setup with the ESAB 45V43 Gas Lens Body, sized for 1/16" (1.6mm) tungsten. This essential consumable is designed to replace standard collet bodies in 9, 20, and 25 series torches, offering immediate improvements in arc stability and weld appearance. For welders who struggle with porosity or inconsistent bead colors on stainless steel, switching to a gas lens is often the single most effective solution. The 45V43 features a precision mesh screen that acts as a diffuser, smoothing out the shielding gas as it exits the nozzle.

One of the primary advantages of using the ESAB 45V43 is the ability to extend your tungsten electrode significantly further past the ceramic cup—often up to an inch—without losing gas coverage. This is a game-changer for welders working on roll cages, manifolds, or inside pipe fittings where visibility is limited. The laminar flow created by the lens creates a stiff column of gas that resists cross-drafts better than standard setups, ensuring your puddle stays bright and clean.

Durability is key in industrial environments, and ESAB delivers with high-quality machining and robust materials. The brass construction ensures excellent current transfer from the torch to the collet, reducing heat buildup in the handle. This gas lens is compatible with standard gas lens alumina cups (53N series), making it easy to integrate into your existing consumable inventory. Whether you are a hobbyist looking to improve your stack of dimes or a professional fabricator demanding reliability, the 45V43 is a staple component for your kit.

Applications and Usage

  • Precision Fabrication: Ideal for thin-gauge stainless steel and sanitary tubing.
  • Automotive Motorsport: Perfect for welding headers, intakes, and chassis components where joint access is difficult.
  • Repair and Maintenance: Provides the visibility needed for intricate repairs on molds and dies.
  • General Manufacturing: Increases travel speed potential by ensuring a wider, more stable gas shield.
Additional Information
Brand:ESAB
Tungsten Diameter:1/16" (1.6mm)
Torch Compatibility:9 Series, 20 Series, 25 Series
Part Number:45V43
Packaging Description:pack of 1
Accessory Type:Gas Lens Body
Material:Brass, Stainless Steel Mesh
Cooling Method:Air Cooled, Water Cooled

INCLUDED

  • 1 x ESAB 45V43 Gas Lens Body (1/16" / 1.6mm)

APPLICATIONS

  • Precision TIG welding of Stainless Steel and Titanium
  • Aerospace and Motorsport fabrication
  • Sanitary pipe and tube welding
  • Repair of molds, dies, and intricate parts
  • Confined space welding requiring extended tungsten stick-out

FAQ

The ESAB 45V43 fits 9 series (air-cooled) and 20/25 series (water-cooled) TIG torches.

This gas lens is designed specifically for 1/16-inch (1.6mm) tungsten electrodes.

A gas lens uses a mesh screen to create laminar gas flow, providing better coverage and allowing longer tungsten stick-out, whereas a standard collet body can create turbulent flow.

Yes, you must use gas lens compatible alumina cups (typically the 53N series) rather than standard cups.

Yes, the improved gas coverage is beneficial for aluminum welding to prevent contamination and oxide inclusion.

No, the gas lens body replaces the standard collet body. You still need a 1/16" collet (13N22) to hold the tungsten.

By creating a more efficient laminar flow, you can often reduce the CFH (cubic feet per hour) setting on your regulator while maintaining adequate shielding.

Yes, this is a genuine ESAB 45V43 gas lens body.