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5
SECTION 1
DESCRIPTION
II. PRINCIPLE OF AIR FLOW Continued
B. Air Fingers
The Middleby Series PS200-R68 Oven is a conveyorized
hot air oven employing vertical air streams (Figure1-3) to
give uniform and intensive heating. The columnated
vertical streams of hot air provide an exceptional heat
transfer rate and generally bake faster and at lower
temperatures than convection hot air or infrared heating
ovens.
Manifold Baffle
Inner Plate
Manifold
Outer Plate
Outer Plate
Figure 1-3. Air Fingers Showing Air Passing Through Inner Plate And Outer Plate
Which Forms High Velocity Columns Of Air To The Product.
Air Flow From
Plenum Chamber
Manifold Baffle
Inner Plate
Manifold
Air Flow From
Plenum Chamber
High Velocity
Columns of Air to
Product
This is accomplished with use of hot air fingers inside the
oven. The oven can accommodate up to 4 bottom air
fingers and 4 top air fingers. Standard PS200-R68 Series
ovens have 4 bottom fingers and 2 top fingers.