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The objective of this project was the verification of the components of S&T Heat Exchanger heat exchanger due to a new bellow to be installed in the shell.

The stresses induced in the tube-tubesheet-shell joint were evaluated due to the change in the design of the bellow, going from multilayer in the original design to thick single layer proposed in the new design.

The report included the inputs, considerations and analysis methodology, results obtained and recommendations.