SATO-40 Open Head Orbital Weld Head

TUBE OD RANGE: 0.4 – 1.5″ / 10 – 40 mm
COOLING SYSTEM: Water-cooled or air-cooled torch
FUNCTION: Orbital TIG welding by fusion/fusion + wire

The SATO-40 open head orbital weld head is designed for precision TIG orbital welding on small diameter tubing from 0.4 to 1.5 inches. Its compact, lightweight design makes it ideal for tight workspaces in industries such as pharmaceutical, semiconductor, and high-purity process piping. Powered by the SAXX power source, the SATO-40 delivers consistent, high-quality welds on stainless steel and exotic alloys with or without filler wire.

With advanced features such as mechanical O/D tracking and dual-axis torch adjustment, the SATO-40 ensures stable arc control and repeatable weld quality. Available in both air cooled and liquid cooled configurations, it supports up to 200 A at 100 percent duty cycle for demanding applications. Its precise electrode alignment and mark-free roller tracking help maintain clean surfaces and optimal weld integrity.

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DESCRIPTION SATO-40
Tube O/D range 0.4 – 1.5″ / 10 – 40 mm
SATO TECHNICAL FEATURES (LIQUID COOLED)
Description SATO-40 SATO-40
Motor STRAIGHT MOTOR ANGLED MOTOR
Part No. SATO-40E41 SATO-40E42
Diameter range 0.4 – 1.5″ / 10 – 40 mm 0.4 – 1.5″ / 10 – 40 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 8.3 lbs / 3.8 kg 8.3 lbs / 3.8 kg
SATO TECHNICAL FEATURES (AIR COOLED)
Description SATO-115 SATO-115
Motor STRAIGHT MOTOR ANGLED MOTOR
Part No. SATO-115E43 SATO-115E44
Diameter range 0.75 – 4.5″ / 19 – 115 mm 0.75 – 4.5″ / 19 – 115 mm
100% duty cycle 100 A 100 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 No
Max operating temperature 40 °C / 104 °F 40 °C / 104 °F
Unit weight 14.8 lbs / 6.7 kg 14.8 lbs / 6.7 kg
  • Designed for orbital TIG welding on tube diameters from 19 to 115 mm
  • Supports both fusion welding and welding with filler wire for process flexibility
  • Available in liquid cooled (200 A) and air cooled (100 A) configurations
  • Mechanical O/D tracking maintains constant arc distance without scratching the tube
  • Mark-free roller system preserves surface finish on critical applications
  • Dual-axis torch adjustment allows precise weld positioning and control
  • Oscillation (OSC) and arc voltage control (AVC) compatibility for advanced welding procedures
  • Precise electrode alignment with starwheel adjustment for repeatable weld quality
  • Quick, symmetrical lever clamping system reduces setup time and improves productivity
  • Compact and ergonomic design for easy operation in tight or restricted spaces
  • Remote control capability for start, stop, and electrode rotation functions
  • Compatible with SAXX power source for reliable, high-performance operation

Mark-free roller tracking ensures constant arc voltage without scratching the tube.

Precise axial alignment of the electrode thanks to the starwheel.

Versatile weld configuration with dual-axis torch adjustment.

Remote control for start/stop and electrode rotation.

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AXXAIR Orbital TIG welding machines: SATO open heads

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