High Thermal Efficiency Pasteurization Heat Exchanger NBRFF Gaskets for Wine Tempering Working guideline. The plate heat exchanger comprises of a pack of ridged metal plates with openings for the section of two liquids between which hotness exchange will happen. This plate plate pack is collected between an edge plate and a weight plate and packed by tightening jolts. The amount of plates are controlled by the stream rate, physical properties of the liquids, weight drop and temperature program. Its plate grooves push liquid turbulence and help the plates against differential weight. Plates and the weight plate are spotted by an upper bar and a lower bar, both of which are altered to the help section. On the biggest sort some tightening jolts are furnished with metal ring washers in place.