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Arch-back Impingement Drying

  • Arch-back dryers are available in single or multi zone configuration with web support rollers.
  • The heated drying air is normally supplied through an impingement type nozzle of variable volume and velocities, giving a stable temperature profile.
  • For lightweight substrates tendency driven support rolls are recommended and designed with both drive and roll bearings being located outside the heated areas.
  • Dryer can be designed so that sections can be raised vertically to allow all round unimpeded operator access.
  • The air system and recirculation fans are all encompassed in the clean line dryer upper body sections. Heating is by direct gas fired modulating high efficiency burners