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PFAFF 8321

Programmable hot-wedge or hot-air welding machine
Flüssigkeitsbehälter / Liquid containerGroßzelte / Large tentsAufblasbare Figuren / Inflatable figuresSchlauchboot / Rubber dinghyZeppelin, Heißluftballon / Zeppelin, Hot Air Balloon
Stehende Säule / Vertical postHeizkeil-Schweißmaschine / Hot-wedge sealing machineHeißluft-Schweißmaschine / Hot-air sealing machineSD-Card Leser / SD-Card readerTouchscreen / Touchscreen

PFAFF 8321

PFAFF 8321-010 "Hot-Wedge Version" PFAFF 8321-020 "Hot-Air Version"

With the PFAFF 8321 sealing sequences can be programmed, i.e. depending on the cutting and the fabric any parameters can be entered for any given segment and reproduced with 100% accuracy.
An absolute innovation from PFAFF!


  • Touch-control-panel P1 with integrated SD card reader and USB slot. The P1 guarantees an intuitive operation


  • Interchangeable swivel unit - easy exchange from hot air to hot wedge or vice versa
  • Differential transport possible during sealing
  • No buttons, no pressure gauges: One touch screen and 100% parameter control
  • All parameters are controlled electronically:
    One integrated control board monitors the heat-sealing temperature, the air flow, the roller pressure and the two motors for the top and bottom roller
  • Two precision-controlled motors permit an extremely accurate differential transport
  • 2-axis swing in mechanism:
    The nozzle or wedge can be very accurately adjusted without tools by using a compound slide rest
  • Different wedge sizes + different nozzle sizes and shapes
  • Several operating levels protected by passwords: If desired, the operator can only select certain operating sequences
  • Selectable languages and units of measurement
  • Heat-up and cool-down cycles possible
  • Machine can be integrated in a complete production unit


  • Tape reel unit for taping operations
  • Hot-wedge or hot-air nozzle on the right-hand side
  • Puller (separate unit)


Rubber dinghy, tanks, inflatable figures, large tents


Sealing temperature:
PFAFF 8321-010 (hot-wedge version): max. 500 °C
PFAFF 8321-020 (hot-air version): max. 720 °C
Sealing speed: max. 10 m/min (standard), option up to 30 m/min available
Width of hot wedges (mm): 7, 9, 12, 15, 20, 30, 40
Width of nozzles: 10 - 50 mm (others available)
Power input:
PFAFF 8321-010 (hot-wedge version): approx. 1500 W
PFAFF 8321-020 (hot-air version): approx. 3500 W
Heating capacity:
PFAFF 8321-010 (hot-wedge version): approx. 1000 W
PFAFF 8321-020 (hot-air version): approx. 3300 W
Connection voltage: single-phase a.c. 230 V, 50/60 Hz

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PFAFF is the exclusive trademark of VSM Group AB. | PFAFF Industriesysteme und Maschinen GmbH is an authorized licensee of the PFAFF trademark.
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