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T Head 419

Orbital Weld Head For Multipass GTAW Pipe Welding

 

The Magnatech T model weld head is designed to make pipe-to-pipe and pipe-to-fitting welds. It is “full function” – with the capability of reproducing all the motions of a skilled manual welder. The T Head is used for larger diameter/
heavy wall applications, requiring the precise weld process control of gas tungsten arc welding. Interchangeable guide rings provide mounting on the pipe, and allow the T Head to cover a broad size range. The T model weld head improves productivity by increasing duty cycle and reducing repair rates.

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 FLX-TRACK™
In addition to welding pipe, the T Head is also used for ID and OD welding on larger tanks, vessels, and ductwork.

  • Flexible track allows mounting on complex curved surfaces
  • Standard 2.3m (7.5') Track sections bolt together for longer lengths
  • Magnetic or Vacuum attachment

 

 

T HEAD 419

Applications

  • Fossil Power Plant Construction/Maintenance
  • Steam Generation Equipment Fabrication
  • Nuclear Power Plant Construction/Maintenance
  • Chemical Facility Construction/Maintenance
  • Shipyard Construction
  • Gas Transmission Pipelines
  • Process Piping

Features

  • WELD HEADS 800 SERIES 805, 810, 820, 830, 840, 860
  • Collets for all tube sizes / fitting geometries
  • Waterproof carry case standard
  • Bench mount bracket
  • Internal weld head cooling standard
  • Convenient flip-up view port allows final inspection before welding
  • Encoder motors provide precise, repeatable speed regulation
  • “Jam” detection/protection. If rotation stops for any reason, it is instantly sensed and power to the motor is immediately interrupted.
  • No more damaged motors or drive trains
  • Standard 8 m (25’) hose pack length
  • New rotation drive design tolerant of metal debris
  • “Home” position switch automatically readies the head for removal following weld completion, and never requires adjustment
  • Simple assembly makes field service straightforward

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Specifications
Application Multi-pass orbital GTAW pipe-to-pipe, pipe-to-fitting
Cable length 7.6 m (25’) standard. Extension cables available
Pipe (tube) size range 168 – 1524 mm (6 - 60”) and larger
Filler wire module Wire size
Max. speed capability
Spool size		 Wire size: 0.8, 0.9, 1.0, 1.2 mm (.030”, .035”, .040”, .045”)
2540 mm/min. (100 IPM)
1 kg (2 lbs) standard
Oscillation module Max. oscillation stroke amplitude
Max. oscillation speed
Oscillation dwell
Cross seam adjustment		 16 mm (0.6725”)
1520 mm/min. (60 IPM)
0 – 1 second
± 6.4 mm (0.25”) fine adjustment
± 38 mm (1.5”) course adjustment
Arc gap control module 13 mm (0.5”) stroke. Additional mechanical adjustment allows welding heavier wall pipe
Torch propulsion module 250 mm/min. (10 IPM) maximum rotation speed

Water-cooled torch

 300 A continuous
Torch adjustment capability Torch lead/lag adjustment
Torch tilt adjustment		 ± 15 degrees (manual)
± 10 degrees (manual)
Power supply compatibility Pipemaster 515, Pipemaster 516
Dimensions/weights    
Weight 11.8 kg (26 lbs.) Single wire feeder without wire spool
13.4 kg (29.5 lbs.) Dual wire feeders without wire spools
Axial clearance Torch C/L to Rear Extremity: 4950 mm (19.5”)
Torch C/L to Front Extremity: 290 mm (1.1”)
Radial clearance 250 mm (9.8”)