37V15 - ESAB 37V15 Gas Lens Insulator for 17/18/26 Series TIG Torches

Reliable Insulation for Precision TIG Welding

Upgrade your TIG welding performance with the ESAB 37V15 Gas Lens Insulator. This consumable is the industry-standard requirement when converting a 17, 18, or 26 series TIG torch from a standard collet body setup to a gas lens system. Gas lenses are essential for achieving superior weld quality, as they utilize a mesh screen to organize shielding gas into a coherent, laminar column. The 37V15 insulator ensures that this advanced system fits securely and safely onto your torch head.

Key Benefits of the 37V15 Insulator

The primary function of the 37V15 is to electrically insulate the gas lens collet body from the gas cup (nozzle) and the torch handle, preventing short circuits and ensuring the arc is directed solely from the tungsten electrode. Its precise molding ensures a gas-tight seal, which is critical for preventing atmospheric contamination of the weld pool. Made from durable, heat-resistant material, it resists cracking and thermal deformation even during prolonged welding sessions at high amperages.

Compatibility and Application

This insulator is compatible with a wide range of TIG torches, including the WP-17 (150A air-cooled), WP-18 (350A water-cooled), and WP-26 (200A air-cooled) models, as well as their flex-head and valve-equipped variations. It is designed to work with standard gas lens collet bodies (45V series) and standard alumina gas lens cups (54N series). It is not compatible with stubby gas lens kits, which require a different insulator. Keep your welding operations running smoothly and your welds clean by replacing worn or cracked insulators with this genuine ESAB replacement part.