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KBS Circular welding device


  • modular, automatic extrusion welding concept for the rational production of circular tanks
  • Circular tank production in the diameter range from 1 to 4 (5) metres
  • Optionally fitted with single or double telescope
  • Process head with patented pneumatic 2-axis balancing system to hold the extruder and compensate concentricity tolerances
  • Carousel with vacuum turntable and VFD-controlled electric drive
  • Top-quality welded machine frame adapted to the relevant stresses

Range of Application:

Semi automated production of round tank construction


  • Double telescope version to realise external welds up to a working height of 6,000 mm and inner welds up to a working height of 3,000 mm
  • Milling unit incl. electronically controlled miller to produce round blanks
  • Video system to visualise details of the welding process
  • Centring aids, 8 pieces including star extension for easy centring of the tank
  • Laser pointer to align the base plate
  • End of welding wire detection
  • Special energy supply
  • Special paintwork if the RAL colour is specified

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



Technical Data: KBS

Machine Length (mm) 7,950
Machine Width (mm) 4,850
Machine Height (mm) 7,350
Total Weight: ca. 2,500 kg
Max. recipient height single telescope version: 3,000 mm
Sheet thickness: 10 to 100 mm
Minimum recipient diameter: 1,000 mm
Maximum recipient diameter: 4,000 mm
Power Supply: 230/400 V
3/N/PE, 50/60 Hz
Power consumption: ~ 6 kW
Compressed Air Connection: 10 bar
Clamping force of the vacuum plate: 45 kN (bei -0.7 bar)
Seam dimensions: a = 7.5 to 40mm

Do you have any questions concerning this product