0011-4561 A comparative analysis methodology of calculation of strength tubesheets by european standards and guidelines for UDT A comparative analysis methodology of calculation of strength tubesheets by european standards and guidelines for UDT Celarek Aneta author Talaga Jan author Institute of Thermal and Process Engineering, Faculty of Mechanical Engineering, Cracow University of Technology Correspondence to: Aneta Celarek Correspondence to: Jan Talaga 19 09 2016 Mechanika Zeszyt 2-M (3) 2016 2016 43 53 Copyright © 2016 2016 <p style="text-align: justify;"> This paper presents comparison of calculation methods of the required thickness of the tube sheet in the shell and tube heat exchanger compatible with the standards of the European standard PN - EN 13445-3, and the guidelines of the Polish Office of Technical Inspection (UDT). Details of the methods are illustrated by numerical examples – (calculations) for the selected design of the tubesheet.</p>