Technology Previews provide users preliminary access to features currently in development and not QA certified and therefore not yet ready for production (please read carefully: EULA). These features are provided at no additional charge to promote awareness of a feature or technology to be deployed in a future release. Users are encouraged to provide feedback and suggestions. Please share your suggestions or comments about this by creating a Bentley Service Request (be sure to include "Technology Preview Comments" in the Description field).
The Expansion Joint as per TEMA 9th Edition (Technology Preview) is available for all users with "Enterprise" License (Heat Exchangers are not available with "Vessel").This is just a new version of TEMA:
Bentley AutoPIPE Vessel