Multi-tube coaxial heat exchanger have been successful used in food preservation for many years. They are particularly suitable for sterilizing and/or cooling products having low and medium viscosity with the use of steam, hot water, cold water.

Each element is formed of three concentric pipes that can be removed for checking section 2 where the product passes. The exchange liquid circulates 1 and 3. In all the sections static mixers can be installed to increase heat exchange.