U Stamp | S Stamp | R Stamp

Power Boilers Section l Stamps:

  • Power Boilers (S)
  • Assembly of Power Boilers (A)
  • Electric Boilers (E)
  • Miniature Boilers (M)
  • Pressure Piping (PP)
  • Parts Fabrication (PRT)

Pressure Vessels Section VIII, Division l Stamps

  • Pressure Vessels (U)
  • Miniature Pressure Vessels (UM)
  • Pressure Vessel Pressure Relief Valves (UV)
  • Pressure Vessel Pressure Relief Devices (UD)
  • Parts Fabrication (PRT)

ASME Code Welding:

  • B31.1 Power Piping
  • B31.3 Process Piping