A shell and tube heat exchanger is a class of heat exchanger designs.[1][2] It is the most common type of heat exchanger in oil refineries and other large chemical processes, and is suited for higher-pressure applications. As its name implies, this type of heat exchanger consists of a shell (a large pressure vessel) with a bundle of tubes inside it. One fluid runs through the tubes, and another fluid flows over the tubes (through the shell) to transfer heat between the two fluids. The set of tubes is called a tube bundle, and may be composed of several types of tubes: plain, longitudinally finned, etc. The European region is dominant in the shell & tube heat exchangers market. The rising demand for shell & tube heat exchangers in this region is mainly driven by its strong demand in the chemicals application. The North American region is the second largest consumer and manufacturer of shell & tube heat exchangers, globally. The market in this region is mainly driven by t...