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Extrusion Welding


Extrusion Welder with self-contained air supply


  • WEGENER microprocessor control system for air and extrudate temperature, and to control the motor
  • Own air supply in the EC version through a WEGENER brushless Airbox 2,200 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 >


Brochure Extrusion Welding
Spare Parts List
Video Extruder

Technical Data sigma3 EC TWISTY
Item no. 30273
Power supply: 230 V 1/N/PE 50/60 Hz
Power consumption: 3,390 W
Air requirement: self-contained air supply
Heating capacity (air): 2,200 W
Welding capacity (PE): approx. 1.9 kg/h
Welding capacity (PP): approx. 1.8 kg/h
Welding rod diameter:: PE: 3, 4, 5 mm / PP: 3, 4 mm
Weight: 5.6 kg
Dimensions (L x H x W in mm): 440 x 230 x 130

Do you have any questions concerning this product