The ASME Boiler and Pressure Vessel Code is continuously revised and all revisions are published every two years as the Code follows a 2-year publication cycle with the current edition being the 2017 edition. The edition becomes mandatory six months after the date of publication.

Is ASME required?

Is ASME U stamping a mandatory requirement? No, the U stamp is not a mandatory requirement. The requirement is decided by the client company. As pressure vessels operate in a wide variety of processes and environments, It is crucial to design and fabricate vessels of the highest possible standard and quality.

Why is ASME stamp required?

The pressure vessel manufacturers can implement an ASME Quality Control System and then apply for the ASME Stamp. This means that if a manufacturer is accredited by the ASME organization for pressure vessels per ASME Code Section VIII Div. 1, they can stamp the letter “U” in the pressure vessel nameplate.