WP-17 - Weldcraft A-150 (WP-17) Air-Cooled TIG Torch Body, Rigid Head

Weldcraft A-150 (WP-17) TIG Torch Body: Precision and Durability

The Weldcraft A-150 (formerly known as the WP-17) is the industry standard for air-cooled TIG welding applications requiring up to 150 amps. Engineered by Miller Electric under the Weldcraft brand, this torch body represents a synthesis of robust construction and ergonomic design. The A-150 is designed to provide welders with a reliable, high-performance tool that withstands the rigors of daily industrial use while maintaining the precision required for aerospace, motorsports, and fabrication tasks.

At the core of the A-150 is a heavy-duty copper construction that maximizes electrical conductivity and heat dissipation. This ensures that the torch remains operative even during extended welding cycles within its rated duty cycle. The rigid head design offers a stable platform for the tungsten electrode, ensuring consistent arc control. Surrounding the conductive core is high-temperature silicone rubber insulation. This premium insulation material is critical for preventing high-frequency voltage leaks, protecting both the operator and the equipment from electrical faults. It also resists cracking and chipping, common issues in lower-quality torch bodies exposed to thermal cycling.

One of the standout features of the modern A-150 series is the Diamond Grip™ head design. This ergonomic enhancement provides tactile contact points for the thumb and fingers, allowing for superior torch manipulation. In precision TIG welding, where torch angle and travel speed must be meticulously controlled, the Diamond Grip™ reduces hand fatigue and slippage. This torch body is compatible with the full range of 17-series consumables, including collets, collet bodies, gas lenses, and alumina cups, making it a versatile addition to any welding shop. It connects seamlessly to standard power cables and handles (sold separately), allowing for easy retrofitting or repair of existing torch assemblies.

Key Technical Specifications:

• Amperage Capacity: 150 Amps DC / 115 Amps AC
• Cooling: Air-Cooled
• Head Style: Rigid (Standard Angle)
• Electrode Capacity: .020" to 1/8" (0.5mm to 3.2mm)