Otto Arc Systems, Inc. Weld Heads

PWH-LD TIG (Large Diameter for Medium/Heavy Wall Pipe)

PWH-LD TIG

Technical Specs (pdf)

PWH-LD TIG

Plugs directly into AMI Power Sources, no cable adapter needed.

Optional adapter available for AMI collets, easy clamping system.

  • TIG orbital welding system for medium and heavy wall pipe
  • Track mounted welding head with single/dual wire feed
  • Optional with hot wire TIG welding power source and hot wire TIG wire feeder for greater performance
  • Welds large diameter and thick wall stainless steel pipe welding with standard J or compund preps
  • Standard "V" prep on carbon steel only
  • Recommended Power Unit = OW-ARC 250
Diameter Range mm (inches) 203.2 - 1219.2 mm (8" to 48")
OSC Width mm (inches) 50 mm (2")
OSC Speed mm/min (inches/min) 30 mm (1.18")
AVC Speed mm/min (inches/min) 20-1000 mm (.79" - 39.4")
Arc Length Height mm (inches) 10 - 500 mm (.39" - 19.7")
Standard Cable Length L = 15 m (50')
Torch Angle -45°~ +45°
Tungsten Diameter (mm) 2.4, 3.2, 4.0 mm (3/32", 1/8", 5/32")
Welding Speed mm/min (inchex/min) 20 - 400 mm/min (.79" - 15.7"/min)
Wire Feeding Speed (mm/min) Cold 95 - 1500 mm; Hot 360 - 7800 mm
Wire Feeding Speed (inches/min) Cold 3.7" - 59"; Hot 14.2" - 307"
Wire Diameter mm (inches) 0.8, 0.9, 1.0, 1.2 mm
(0.030", 0.035", 0.040", 0.045")
Carriage Weight kg (lbs) excludes wire and cables 9 kg (20 lbs)