The outer shell of a shell-and-tube heat exchanger acts as a sealed pressure vessel that houses and protects the internal tube bundle while containing the shell-side fluid.Sep 26th, 2026 6:07 PMShare this on :Keywordsouter shell of a shell-and-tube heat exchangersealed pressure vesselHeat Exchanger Outer Shell manufacturershell-and-tube heat exchanger outer shellbharuch outer shell