ASME Code symbol stamps

Code symbol stamps are applied to component nameplates after satisfactory inspection by one of our authorised inspectors. This page shows some of the more common code symbol stamps used by manufacturers possessing ASME Certificates of Authorisation.

Code symbol stamps are applied to component nameplates after satisfactory inspection by of our authorised inspectors.  Shown below are some of the more common code symbol stamps used by manufacturers possessing ASME Certificates of Authorisation.

Power boilersASME stamp - S - power boilers
Pressure vessels - Division 1ASME stamp - U - div 1
Pressure vessels with alternative rules - Division 2ASME stamp - U2 - alternative div 2
Nuclear power plant componentsASME stamp - NPT - NuclearASME stamp - N - Nuclear
Heating boilersASME stamp- H - Heating boilers
Reinforced plastic vesselsASME Stamp - RP - reinforced plastic

Your local contacts

With over 200 inspectors in more than 30 countries, chances are that you'll find someone nearby who speaks your language.

For more information about Your local contacts