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What makes plate condensers different from regular plate heat exchangers?
Q: We have shell and tube condensers on our distillers and are looking into using plate condensers. Who produces these and what makes them different from regular plate heat exchangers? What are the fail points of these condensers?
A: It is not clear exactly what you are referring to when you say "plate condensers." There are plate-in-shell heat exchangers that combine the advantages of a plate-and-frame unit with the pressure rating of a shell-and-tube unit. These devices are welded plate pack inside a standard shell and can be used as condensers if properly designed. Plate-and-frame units also can be used as condensers, however there is also a relatively recent design in which a semi-welded plate pack is used with an asymmetric channel pattern specifically for low pressure condensation. This is referred to by the vendors as a plate condenser.
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