These ovens are supplied with an axial
fan and an air-exchange adjustment system including a special fluid
dynamic configuration to guarantee maximum forced-drying efficiency
and temperature stability at each level.
The user can select internal circulation
only (90%) or total exchange of external air including all the
intermediate adjustments.
There is a secondary optional system that
allows for fan speed adjustment to prevent excessive turbulence.
An optional accessory is provided for the
conveyance of all eventual toxic fumes towards the outside.