PLATE HEAT EXCHANGERS
PILLOW-PLATE HEAT EXCHANGER
DAV Pillow
Pillow-plate heat exchangers [PPHE] represent an innovative type of heat exchangers. They consist of a stack of fully welded plate-type panels, which are characterized by “pillow-like” surface. The waviness of the channels enhances mixing in the fluid boundary layers, which consequently increases the heat transfer. PPHE can be made of stainless steel, Ni-Cr alloy or titanium.
ABOUT
The PPHE is ideal with medium with an extreme fouling and sedimentation rate (such as oily, sticky, dusty, abrasive or full of sediments fluids) where heat exchangers made with finned tubes or smooth tubes are not applicable. PPHE are therefore the best choice in applications such as heat recovery from extremely dirty fumes (incinerators) or abrasives (glass factories), or indirect heat exchange inside tanks for food & beverage processes.
The flat and smooth surface of plates can be cleaned easily and quickly with a steam jet or high-pressure cleaners, resulting in low maintenance costs.
ADVANTAGES
Large primary exchange surfaces
Food grade
materials
Great medium flow between plates
Perfect in case of dirthy medium
Space saving inside tanks
Low maintenance cost
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The technical staff of DAV COIL is able to design heat exchangers according to customer needs, using sophisticated computerized calculation systems.
