Gramegna Packaging


The heat shrinking tunnels TT40 & TT40 Twin are suitable to be combined with the automatic and semi-automatic -L- Sealers. Their conveyor can be adjusted both in height and in speed. Simple temperature adjustment. The TT40 Twin Tunnel model offers up to twice the speed and is suitable for longer products, up to 1140 mm.

Main features

  • Adjustable height of the infeed conveyor (850-880 mm) - speed (1-12 m/min for the TT40 model / 2-24 m/min for the TT40 twin model)
  • Temperature control adjustment
  • Insulated structure
  • Double air exchange system
  • Self-rotation system of the conveyor rollers
  • Locking wheels
  • Outfeed roller conveyor
  • Digital display with 9 programs that can be saved
  • Auto-off system
  • Available tunnel infeed: 440x240 mm
  • Dimensions LxWxH: 1770x840x1465 mm (TT40) - 2130x800x1460 mm (TT40 Twin)
  • Voltage supply: 380/400V - 3ph - 7.2kW (TT40) - 13.2kW (TT40 TWIN)


  • Teflon conveyor belt
  • Metal conveyor belt
  • Kit of protections made of Plexiglass at tunnel infeed and outfeed