TIG orbital welding machine SX122 series

automaticfor steelfor pipes

Overview
The SX122 orbital TIG welding machine is designed for workshop prefabrication of tube assemblies. It supports fusion and fusion + wire processes, is compatible with all steels and exotic alloys, and can be converted to orbital cutting or beveling using conversion kits. Paired with SAXX power sources, it delivers repeatable, controlled welds while reducing on-site welding time and installation risk.

Key capabilities

• Orbital TIG welding by fusion or fusion + wire for consistent, repeatable welds
• Axial electrode and tube adjustment for precise joint alignment (tube positioning accuracy ±5 mm / 0.2″)
• Micrometric arc gap adjustment without special tooling for optimal weld control
• Mechanical OD tracking to maintain constant electrode-to-tube distance despite tube ovalization
• Concentric clamping system to minimize tube distortion during welding
• Automatic orbital rotation for uniform penetration and consistent results
• Stainless steel clamping jaws to prevent contamination and protect internal tube surfaces
• Fast changeover between welding, cutting and beveling using only two setting screws

Specification table
DESCRIPTION | SX122 Air cooled | SX122 Water cooled
Power | Air cooled | Water cooled
Part No. | SX122-A | SX122-E
Locking tube range | 0.5 – 4.5″ / 12 – 119 mm | 0.5 – 4.5″ / 12 – 119 mm
100% duty cycle | 100 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 | No | Yes
Max operating temperature | 40 °C / 104 F | 40 °C / 104 F
Max acoustic radiation | < 70 dB | < 70 dB
Unit weight | 45 kg / 99 lbs | 45 kg / 99 lbs

Product advantages

• Repeatable, high-quality orbital TIG welds in prefabrication environments
• Precise axial adjustment for accurate joint alignment and reduced rework
• Micrometric arc gap control without dedicated fixtures
• Maintains electrode-to-tube distance with mechanical OD tracking for oval tubes
• Concentric clamping and stainless jaws minimize deformation and contamination
• Powered by SAXX sources for stable, automated welding performance
• Multi-function: welding, cutting and beveling with rapid conversion
• Reduces on-site welding scope and installation errors for faster project delivery
• Suitable for food, fluid and high-purity systems with enhanced contamination protection

Technical specifications

• Model: SX122 (variants: SX122-A air cooled; SX122-E water cooled)
• Tube OD / locking range: 0.5–4.5″ / 12–119 mm
• Functions: Orbital TIG welding (fusion or fusion + wire); convertible to orbital cutting/beveling with kits
• 100% duty cycle: 100 A (air cooled), 200 A (water cooled)
• Electrode diameter: 1/16″ or 3/32″ (1.6 or 2.4 mm)
• Cooling: Air (SX122-A) or Water (SX122-E)
• Max operating temperature: 40 °C / 104 °F
• Max acoustic radiation: < 70 dB
• Unit weight: 45 kg / 99 lbs
• Concentric clamping system; stainless steel jaws; axial electrode adjustment; micrometric arc gap control
• Designed for steel and exotic alloys; intended for workshop prefabrication