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Inner Welding System



  • Internal rotary welding system to weld joints in concrete pipe protectors or pipe liner segments
  • Fully automated welding process
  • A novelty when it comes to the quality and efficiency of welding
  • Easy and comfortable operation
  • The process forces are applied pneumatically
  • The energy (electricity + compressed air) can either be supplied by trailing or pushing means
  • The IWS is available for various pipe diameters and pipe diameter ranges

Range of Application:

Pipe line construction for waste and fresh water in inlined concrete design


We can of course adapt this machine to your individual needs! Contact us now!



Technical Data

IWS 25 IWS 30
Inliner-tube diameter [mm] 1,950 - 2,500 1,500 – 3,000
Single process head Extruder equipment   1x EXWELD beta2 SC
double process head Extruder equipment 2x EXWELD sigma2 SC 2x EXWELD sigma2 SC
Sheet Width [mm] approx. 200 approx. 200
Sheet Thickness [mm] approx. 3 approx. 3
Power Supply 3x 230/400 V
3/N/PE, 50/60Hz
3x 230/400 V
3/N/PE, 50/60Hz
Power consumption [kW] 2.7 7.0
Compressed Air Connection [bar] min. 8, max. 10 min. 8, max. 10
Diameter of testing wire [mm] approx. 0.5 – 1.0 approx. 0.5 – 1.0

Do you have any questions concerning this product