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REDHEAD WELD HEADS

Orbital Weld Heads for Fusion and Wire Feed Welding of Pipe

Magnatech Redheads are designed to make pipe-to-pipe and pipe-to-fitting welds with precision and repeatability. Redheads can be used for fusion welding, or with filler wire addition – an integral head mounted feeder is standard on all models. Three models cover the size range of 12.7 to 168 mm (0.5 to 6.625”) OD. Digital technology forever eliminates the need for periodic calibration – rotation and wire speed remain accurate regardless of wear, and heads can be interchanged without time-consuming recalibration.

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TORCH ROTATION
Uniform torch rotation is ensured
by a chain and sprocket drive using
a precision stainless steel bearing
assembly that is immune to heat.

 

 

REDHEAD WELD HEADS 427A, 428A, 429A

Applications

  • Pharmaceutical
  • Sanitary (Hygienic) Process Piping
  • Food Processing/Dairy
  • Brewery Tubing
  • Power Generation
  • Chemical

Options

  • Extension Cables
  • Fillet/Socket Weld Kit
  • Extended Clamping Range Kit R-2 allows welding down to 21mm (0.84 inch) OD
  • Extended Clamping Range Kit R-3 allows welding down to 50 mm (2 inch) OD

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Specifications

  R-1 (MODEL 427A) R-2 R-2 (MODEL 428A) R-3 (MODEL 429A)
Application Orbital GTAW welding of pipe-to-pipe, pipe-to-fittings
Pipe (tube) OD size range 13 – 38 mm (0.5 – 1.5”) 33 – 90 mm (1.315 – 3.5”) 90 – 168 mm (3.5 – 6.625”)
Filler wire module
CE standards adopted
Wire size: 0.8 mm (0.03”)
Max. speed capability: 1900 mm/min. (75 IPM)
Spool size: 0.16 kg (0.35 lbs)
Arc gap control module Mechanical, adjustable
Torch propulsion module 0 – 4.0 rpm 0–1.5 rpm 0–0.6 rpm
Water-cooled torch 200 A continuous
Torch adjustment capability Torch lead/lag adjustment: ± 15 degrees (manual)
Torch tilt adjustment: Requires optional socket weld kit
Cable length 7.6 m (25’) standard. Extension cables available.
Power supply compatibility Tubemaster 514, Pipemaster 515, Pipemaster 516
 
Dimensions/weights R-1 (MODEL 427A) R-2 R-2 (MODEL 428A) R-3 (MODEL 429A)
Weight 3.9 kg (8.5 lbs.) 5.4 kg (12 lbs.) 9.0 kg (20 lbs.)
Axial Clearance (Torch
C/L to Rear Extremity)
(A)
127mm (5.0”) 10mm (0.41”) 127mm (5.0”)
Axial Clearance (Torch
C/L to Front Extremity)
(B)
10mm (0.41”) 10mm (0.41”) 10mm (0.41”)
Width (C) 140mm (5.5”) 191mm (7.5”) 280mm (11.0”)
Radial Clearance
Requirement (D)
[140mm (5.5”) –
Pipe O.D.]
÷ 2 = Radial Clearance
[191mm (7.5”) –
Pipe O.D.]
÷ 2 = Radial Clearance
[280mm (11”) –
Pipe O.D.]
÷ 2 = Radial Clearance