TUBE OD RANGE: 1.5 – 8.625″ / 38 – 220 mm
COOLING SYSTEM: Water-cooled or liquid-cooled torch
FUNCTION: Orbital TIG welding with AVC/OSC system
SATO-220 AVC/OSC Open Head Orbital Weld Head
The SATO-220 AVC/OSC open head orbital welder is built for the largest diameter pipe welding applications from 1.5 to 8.625 inches. It is the ideal solution for oil and gas, power generation, and heavy fabrication industries that require precision orbital TIG welding on thick-wall pipes and critical joints. The open head design allows flexibility for welding in complex geometries and challenging jobsite conditions.
Featuring advanced arc voltage control and oscillation, the SATO-220 AVC/OSC delivers superior weld quality and repeatability in multi-pass welding operations. The AVC system ensures a constant electrode-to-work distance, while oscillation enhances bead uniformity and penetration across wider joints. With a robust 200 A liquid cooled system and durable construction, it is optimized for high-performance welding in the most demanding applications.
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| TECHNICAL FEATURES (liquid cooled) | ||
| Description | SATO-220 with AVC/OSC system | SATO-220 with AVC/OSC system |
| Motor | STRAIGHT MOTOR | ANGLED MOTOR |
| Part No. | SATO-220E51 | SATO-220E52 |
| Diameter range | 1.5 – 8.625″ / 38 – 220 mm | 1.5 – 8.625″ / 38 – 220 mm |
| 100% duty cycle | 200 A | 200 A |
| Electrode diameter | 1/16″ or 3/32″ / 1.6 or 2.4 mm | 1/16″ or 3/32″ / 1.6 or 2.4 mm |
| Cooling system | Yes | Yes |
| Max operating temperature | 40 °C / 104 °F | 40 °C / 104 °F |
| Unit weight | 33.1 lbs / 15.1 kg | 33.1 lbs / 15.1 kg |
- Designed for orbital TIG welding on tube diameters from 38 to 220 mm
- Integrated AVC system maintains stable arc voltage and distance
- Oscillation function enables precise multi-pass welding on thick wall pipes
- Supports welding with or without filler wire for maximum flexibility
- 200 A liquid cooled system supports continuous production environments
- Motorized axial movement ensures consistent electrode positioning
- Small rotation sweep allows operation in limited access areas
- Quick clamping system improves productivity and repeatability
- Heavy-duty construction for large-scale industrial applications
- Compatible with SAXX power source for advanced welding control
Constant electrode-to-tube distance with motorized setting and control (AVC), regulating arc voltage and maintaining the distance between the electrode and the tube.
Adjustable handle.
AVC/OSC system enables welding of tubes and pipes with wall thicknesses up to 12.7 mm (0.500”).
AXXAIR Orbital TIG welding machines: SATO open heads
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