Leister : Plastic Welding, Process Heat, Lasersystems, Microsystems

WELDPLAST S4

Compact, economic worm extruder with brushless motor for pre-heated air. Used in process equipment manufacture and civil engineering.


  • Screw extruder with barrel heater and integrated hot air blower (brushless) for preheating welding seams
  • Compact housing design reduces noise and guarantees optimal cooling for the electronics and drive
  • Terminal with illuminated graphic display and operating keys suitable for construction sites
  • Microprocessor to regulate the welding process and to monitor the tool
  • Menu with function programs
  • Air flow up to 450 l/min
  • Dual-sided twist-free wire intake
  • Simple rotatable handle
  • Complies with DVS (German Welding Association) standards

WELDPLAST S4 / 3 - 4 mm

Attribute Unit Value
Voltage V~ 230
Power consumption W 3680
Frequency Hz 50 / 60
Material   PE / PP (PVC on request)
Output (HDPE Ø 4) kg/h 2.5 – 4.0
Welding rod mm Ø 3 or Ø 4
Size (L x W x H) mm 560 x 110 x 300 (without welding shoe)
Weight kg 8.7 (without cord)
Marking of conformity  
Approval mark  
Certification scheme   CCA
Protection class I  
Article Number   116.948