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ADVANTAGES OF VERTICAL DESIGN OVER HORIZONTAL DESIGN:

• Dropping between decks knocks friable edges from product pieces, permitting  potential fines to be removed during processing,  greatly reducing end user complaints of excess fines in packages.
• Batching product transfer between decks allows product separation permitting quick product changeover.
• Greater moisture uniformity results from turning product over more times.
• No horizontal floors mean dryer remains clean without fines drag system.
• Counterflow design provides higher process efficiencies (see page 2).
• Requires less plant floor space.
• No conveyor system means less maintenance and cleaning.
• No internal ledges for product to collect on.

DISADVANTAGES OF VERTICAL DESIGN OVER HORIZONTAL DESIGN:

• Greater plant ceiling height required.
• Not suitable for fragile products.
• Not suitable for sticky products.
• Not suitable for products smaller than 2.2 mm.
• Because of height, routine maintenance can be more difficult.

ADVANTAGES OF WENGER VERTICAL DESIGN OVER COMPETITOR'S DESIGN:

• Recirculation ducting, burners and fans are inside insulated box, reducing plant space required, and simplifying installation.
• Airborne fines are removed at each deck using an internal settling chamber (Patent Pending), eliminating need for cyclone collectors.
• Insulation is integral part of design, thus simplifying installation.
• Dryer is pre-wired and pre-piped to speed up installation.
• Dryer frame and support structure is designed for up to nine dryer decks and two cooler decks, including weight of catwalks.