Nowadays there are heat exchangers made of different materials. The selection of the correct material is decisive for the function and service life. For this reason, special attention must be paid to it from the start. Viesel has been building heat exchangers only out of stainless steel for over 50 years.

High demands are made on the material in heat exchanger construction. Heat stresses due to the large temperature differences can create cracks in the material. Mechanical influences such as vibrations, steam hammers as well as high pressure within the devices present a big challenge on the material used . Corrosion and deposits from limestone or other residues, for example, are also critical. They increase the maintenance requirements of the heat exchanger if not considered. As each maintenance step always costs money and often causes a partial or complete failure of the entire system, the maintenance interval should be reduced at the start and a material that is robust as possible is to be used.

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