Free Flow PHE Plate Applicable for liquid containing solids, particles, fibers, or viscous materials, our free-flow plate for PHE is used to produce PHE with constant passageway width for outstanding trafficability. The distance between the PHE replacement plates is up to 12mm. Containing no dead spot, our free-flow stainless steel plate support clean-in-place. The high heat transfer efficiency, as well as the elimination of metal contact, makes this free-flow plate for PHE quite popular.