WP-9 - Weldcraft A-125 Air-Cooled TIG Torch Body, 125A Rigid Head

Industrial Standard for Precision Air-Cooled Welding

The Weldcraft A-125 TIG Torch Body (formerly designated as the WP-9) is the premier choice for professionals requiring a lightweight, air-cooled solution for light-duty welding applications. Engineered by Miller Weldcraft, this torch body is rated for 125 amps, making it perfectly suited for welding thin-gauge materials where heat input control is critical. The A-125 designation reflects the modern nomenclature for the classic WP-9 series, ensuring that while the name has evolved, the specifications and build quality remain the industry benchmark.

This specific model features a rigid head design. Unlike flexible necks which can move during operation, the rigid head offers a fixed, stable angle (typically 70 degrees) that is essential for repetitive bench work or automated setups where consistency is key. The body is constructed from high-grade copper and high-temperature silicone rubber insulation, ensuring durability and resistance to cracking even under thermal cycling. The air-cooled architecture simplifies equipment requirements, removing the need for water coolers and associated plumbing, which is ideal for portable maintenance and repair operations.

A significant operational advantage of the A-125 is its compatibility with the "2-Series" consumable platform. It utilizes the same collets, collet bodies, gas lenses, and back caps as the water-cooled WP-20 and WP-25 torches. This interchangeability allows facilities to standardize inventory across different torch types, reducing carrying costs and simplifying part management. The torch body accepts tungsten electrodes from .020" up to 1/8", providing versatility for various joint designs in aerospace, petrochemical, and food processing industries.