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ulsa SUPRIM series are the most advanced thermo impulse sealing machine for welding all kind of technical textiles with precision controlled welding parameters and automatic functions for folding, overlapping, hem pockets, reinforcements, zippers and profiles. The multi step sealing control process creates the best looking and strongest seams with ease and simplicity of use and full operator ergonomics.

Main features

  • Excellent use with PVC, PE, PU, Acrylics – basically all coated thermoplastic fabrics, woven and non-woven
  • Standard available weld lengths are 200cm, 320cm, 430cm, 540cm, 600cm
  • Welding seam widths: 8, 10, 15, 25mm
  • Automatic folding, welding, overlap joining, Zips, PVC profiles and reinforcements, stick/slat insertion
  • Compact designed, opened design machine for better visibility of work space
  • Interchangeable welding bars for versatility of use
  • Linear servo-drives for precision and repeatability of seams
  • Multilanguage touch screen HMI operation with recipes memory
  • Multipoint precision PLC temperature control (± 3°C)
  • PLC controlled heating and cooling cycles for consistent welds
  • Automatic welding pockets and hems
  • Welding zippers with servo control of weld line position
  • Universal use for seams required by the sign, awning, pergola and blind makers
  • Optional use of hotmelt tape for bonding non-welding fabrics
  • Optional lasers for ease of fabric positioning
  • Advanced safety features with pressure switch and optical sensors


  • PVC laminated fabrics
  • Vinyl coated fabrics, Vinyl Films
  • Polyurethane (PU) coated fabrics, Polyurethane films
  • Polypropylene-coated fabrics
  • Polyethylene (PE)
  • Thermoplastic
  • Rubber fabrics (PE)
  • Acrylics and others...

Gallery - Machine details

Gallery - Applications

Seam width 8, 10, 15, 25 mm
Welding length 320cm (126") , 430 cm [169"], 600 cm [236"]
Pocket Sizes 20 - 110 mm
Welding cycle time appox: 10 sec*
Maximum Temperature 300° C
Power supply 3x400 V; 50 Hz
Average electric consumption 6 kVA
Compressed air supply 6 bar
Compressed air consumption ca. 15 Nl/cycle (320 cm model)
Dimensions L 3500 x W 1080 x H 1800 mm
Weight 1500 kg