– Shell-and-tube heat exchangers with a floating head, shell-and-tube with U-shaped pipes Shell-and-tube heat exchangers with a floating head (TP heat exchangers, HP refrigerators, KP condensers) and shell-and-tube heat exchangers with U-shaped pipes (TU heat exchangers) and their modifications are designed for heat exchange of liquid and gaseous media in technological processes of oil refining, petrochemical, chemical, oil, gas and other industries.