Plate Heat Exchanger Gaskets

Larger commercial versions use gaskets between the platessmaller version tend to be brazed. the smooth running of a plate heat exchanger in placeit is highly recommended that an annual servicewhich would involve a clean of the platesa non destructive test (NDT)followed by a regasketing of the plates to ensure the PHE maintains its optimum performanceThe plates are often spaced by rubber sealing gaskets which are cemented into a section around the edge of the plates. The plates are pressed to form troughs at right angles to the direction of flow of the liquid which runs through the channels in the heat exchanger.