KP2034-4B1 - Lincoln Electric 3/32" Gas Lens for 9/20 Series TIG Torches

Genuine Lincoln Electric TIG Consumables for Precision Welding

The Lincoln Electric KP2034-4B1 Gas Lens is a critical component for professional TIG welders seeking to elevate the quality of their welds. Designed specifically for use with 3/32 inch (2.4 mm) tungsten electrodes, this gas lens is engineered to fit standard 9 and 20 series TIG torches, including the Lincoln PTA-9, PTA-20, and PTW-20 models. At Josef Gas, we understand that the integrity of your weld is only as good as the consumables you use, which is why we stock genuine Lincoln Electric parts known for their durability and precision manufacturing.

Unlike standard collet bodies which can create turbulent gas flow, the KP2034-4B1 utilizes a sophisticated internal mesh screen system. This design straightens the flow of shielding gas—typically Argon—into a coherent, laminar stream. For fabricators working with sensitive materials like stainless steel, titanium, or aluminum, this laminar flow is essential. It ensures that the weld pool is blanketed effectively, minimizing the risk of oxidation and porosity caused by atmospheric contamination. By choosing this genuine Lincoln part, you are investing in consistent performance that helps reduce rework and improves the aesthetic finish of your projects.

Using a gas lens also offers significant operational advantages in the shop. Because the gas column is more stable, welders can extend the tungsten electrode further past the ceramic cup—often up to an inch in draft-free conditions—without losing shielding coverage. This capability is invaluable when welding in tight corners, deep grooves, or complex geometries where visibility is usually compromised. The KP2034-4B1 is built to withstand the thermal cycles of industrial welding, ensuring a long service life and reliable conductivity. Whether you are repairing aerospace components, fabricating food-grade stainless vessels, or performing general maintenance, this gas lens provides the control and quality assurance required for high-stakes welding.

Key Benefits for Industrial Users:

• Enhanced Shielding: Minimizes turbulence for a cleaner weld pool.


• Improved Access: Allows for longer electrode extension to reach difficult joints.


• Cost Efficiency: Reduces gas waste and post-weld cleaning time.


• Compatibility: Fits widely used air-cooled and water-cooled torch bodies.