In stock


Automatic Circle Welder Increases Production


The CW-5 Circle Welder is designed for single or multi-pass welding of couplings or nozzles on pipe and vessels utilizing GMAW or FCAW process, with gas shield. The machine is equipped with its own wire feeder, rotation drive motor, rise and fall cam assembly and welding gun. Horizontal and vertical racking is used to position the torch. The CW-5 also includes a 30 lb (14 kg) spool holder. Regardless of the direction of rotation, the cable and wires do not get wrapped up or tangled. The CW-5 is supplied with the following cables: 50″ (15.2 m) of gas hose, 50″ (15.2 m) hot lead, 50″ (15.2 m) control cable and all cables from the remote box to the circle welder.


  • GMAW, FCAW process capabilities
  • 1-12″ (25-300 mm) welding diameter
  • .035-1/16″ (.8-1.6 mm) welding wire size
  • Rotation speed .5-6.0 rpm
  • Rise and fall cam 0-5″ (0-125 mm)
  • 300 amps 100% duty cycle
  • Burn back control, horizontal and vertical adjustment gun & cable
  • Made in USA


  • Mechanical Oscillator / Torch Weaver (CWO-1645) Provides a pendulum-type motion to the gun for weave welding. The speed and stroke of oscillation are adjustable.
  • Torch Angle Adjuster (CWO-3023-1) Allows the operator to adjust the angle of the gun precisely, without unclamping the holding devise.
  • Cone Adaptor (CWO-5790) A tapered centering devise used to center the machine on nozzles. The range of the Cone Adaptor is 1-1/4″ to 4″ (32-102 mm) diameter.
  • Step Adaptor for Threaded Outlets (CWO-3670) A stepped centering device used to center the machine on threaded I.D. weld-o-lets. The range of the Step Adaptor is 1/2″ to 4″ (13-102 mm) diameter. CWO-3675 Step Adaptor for Grooved Outlets 1 1/4″ – 1 1/2″ – 2″ – 2 1/2″ – 3″, 4″