plate heat exchanger high thermal effciency Small temp differences High corrosion resistance Compact size plate heat exchangerSERIESEATB-25DESIGN PRESSURE(Mpa)3.0 ... R22,R23,etc),oil,water,water and glycol mixtures. 2,Used in various equipment:hot pumps,industrial ... ,drinking thoughts,constant temperture refrigerator,heat recollection and circulation,floor heating,indoors and outdoors heating devices