796F70 - Weldcraft 796F70 Long Lava TIG Nozzle #3 (10-Pack)

Technical Overview of the Weldcraft 796F70 Long Lava Nozzle

The Weldcraft 796F70 is a specialized TIG welding nozzle designed to address the thermal challenges encountered in precision fabrication. Unlike standard alumina cups, which are molded and fired, this nozzle is manufactured from Lava, a machinable ceramic material known for its exceptional thermal stability. In industrial applications where TIG torches must access deep crevices, corners, or complex pipe clusters, the proximity of the arc to the base metal creates intense reflective heat. Standard alumina nozzles often suffer from thermal shock in these environments, leading to cracking and premature failure due to the rapid expansion and contraction rates. The Lava composition of the 796F70 mitigates this issue, offering a lower coefficient of thermal expansion that allows it to endure high-temperature fluctuations without structural compromise.

This specific nozzle features a #3 orifice, corresponding to a 3/16-inch (4.8mm) diameter, which provides a tight, focused column of shielding gas. This is particularly advantageous when welding on thin-gauge materials or when a narrow heat-affected zone is required. The "Long" configuration of the nozzle extends the reach of the tungsten electrode, allowing the welder to maintain a proper arc length even when the torch body is obstructed by surrounding fixtures or part geometry. With a length of approximately 1-7/8 inches, it provides the necessary clearance to navigate tight assemblies found in aerospace, motorsports, and petrochemical piping applications.

Compatibility is a key factor in TIG consumable selection. The 796F70 is designed to fit the industry-standard "2 Series" torch bodies. This includes air-cooled torches like the WP-9 and water-cooled torches like the WP-20 and WP-25. It threads securely onto standard collet bodies, ensuring a gas-tight seal that prevents atmospheric contamination of the weld pool. By utilizing this nozzle, operators can ensure consistent gas coverage and reduce downtime associated with nozzle breakage. This product is supplied in a package of 10, ensuring that production environments maintain adequate stock levels for continuous operation.