Why Shell and Tube Heat Exchangers are popular: Shell and tube heat exchangers are one of the most popular types of heat exchanger because of their flexibility to accommodate a wide range of temperatures and pressures. Shell and tube heat exchangers have been used for more than 150 years in almost every industrial application. This product design is widely popular, mostly for its versatility in terms of types of services. The shell and tube heat exchanger are very popular and the heat exchanger of choice in the Chemical Processing Industry. Some of the key benefits that make the shell and tube heat exchanger so popular are they can meet process requirements in almost every industry or application. They are highly efficient and reliable. The shell and tube heat exchangers are built with many different materials of construction and they can handle a wide range of pressures and temperature requirements. Finally, the shell and tube heat exchanger is easy to maintain. When most people think of heat exchangers they immediately think of the shell and tube heat exchanger.