Extrusion Welding


Extrusion Welder with self-contained air supply


  • WEGENER microprocessor control system for air and extrudate temperature, and to control the motor
  • External air supply in the EC version through a WEGENER air heater 2,500 W
  • Switch between actual and target value display for air heater and extrudate temperature
  • Cold start protection (start-up protection dependent on time and temperature)
  • Monitoring of the pre-set target temperature of the extrudate heater with motor-stop function if the deviation is too high
  • TWISTY: Turnable welding shoe support for flexible change of the welding direction
  • Easily exchangeable PTFE welding shoe, adjustable front handle
  • The scope of delivery includes a welding shoe of your choice

Range of Application:

Manufacture of reservoirs, tanks and containers, manufacturer of plastic apparatus, pipeline construction, ventilation, automotive, roofing, landfill technology


PE, PP, PVDF and other weldable thermoplastic material


Welding Shoes >

Accessories >


Video Extruder

Technical Data sigma3 EC TWISTY
Power supply: 208-230V L1/L2/PE 60 Hz
Power consumption: 3,690 W
Air requirement: > 300 l/min
Heating capacity (air): 2,500 W
Welding capacity (PE): approx. 4.2 Ibs/hr
(1.9 kg/hr)
Welding capacity (PP):

approx. 3.7 lbs/hr
(1.7 kg/hr)

Welding rod diameter::

PE 1/8", 5/32", 3/16"
(3,4 or 5 mm)

PP 1/8" or 5/32"
(3 or 4 mm)

Weight: approx. 12 lbs
(5.4 kg)
Dimensions (L x H x W):

17.3" X 9.8" X 5.1"
(440 x 250 x 130 mm)

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