UCTA HF welding machine is a unique solution for the production of different size of ventilation tubes, ducting and other forced air feeding solutions. Due to especially designed two part electrodes we are able to weld various radiuses of round shaped products


he machine can be easily converted to zips and straight lines welding. Large material volumes can be laid out behind the electrode to fulfill high requirements of production.

Main features

  • Universal usage for PVC, PU, PET welding
  • Designed especially for ventilation tubes and air ducts production
  • Possibility to weld zips and stop curtains
  • Easy conversion to straight lines welding
  • Space behind the electrode for material placing up to 1200 mm
  • Top and bottom electrodes for high precision of welding
  • Ergonomic design


  • Warranty: 12 months
  • Approx. delivery time: contact sales department
  • Certificates: CE, EU, EMC, FCC, OSHA
  • Standard color: Blue: RAL5023, Gray: RAL7035


  • Ventilation tubes
  • Air ducts, Flow channels and tubing
  • Round shaped soft PVC channels
  • Safety equipment
  • Zips welding


Gallery - Machine details

Gallery - Applications

Output power: 4 kW
Installed power: 6 kW
Working Frequency 27,12 MHz ± 0,6 %
Power supply 3x400 V; 50 Hz
Power tube air cooled metal-ceramic triode
Antiflash Ultra-fast solid state ARC limiter
PLC control system Touch screen HMI
Electrode pneumatic press (at 0,4 - 07 MPa) 80 - 500 kg
Compressed air consumption 12 nl/cycle
Electrode platen working stroke 160 mm
Electrode platen dimensions 100 x 200 mm
Distance behind the electrode 500 - 1200 mm
Welding surface 100 cm2