What is a plate heat exchanger?   https://www.yojointernational.com/Gasketed-Plate-Heat-Exchanger/Gasketed-Plate-Heat-Exchanger-B100B.shtmlare ingenious devices designed to transfer heat between two fluids without them mixing. They consist of a series of metal plates stacked together, with alternating patterns creating channels for the hot and cold fluids to flow through. These plates...