Inspection
Work Planning

This is some text inside of a div block
← All terms
U-Stamp

U-Stamp — ASME Pressure Vessel Certification Stamp

A certification issued by ASME authorizing manufacturers to construct new pressure vessels in accordance with the ASME Boiler and Pressure Vessel Code.

Definition

The ASME U Certificate of Authorization, commonly referred to as the U Stamp, is issued by the American Society of Mechanical Engineers (ASME) to manufacturers authorized to design and construct new pressure vessels in accordance with Section VIII, Division 1 of the ASME Boiler and Pressure Vessel Code.

Why It Matters

The ASME U Stamp certifies manufacturers to construct new pressure vessels in accordance with the ASME Boiler and Pressure Vessel Code.

In Practice

Manufacturers holding a U Certificate of Authorization are subject to ASME quality system requirements, Authorized Inspection and ongoing compliance with the applicable provisions of the ASME Boiler and Pressure Vessel Code.

Common Misuse

The ASME U Stamp authorizes manufacturers to construct new pressure vessels, whereas the National Board R Stamp authorizes qualified organizations to perform repairs and alterations on existing pressure-retaining equipment.

Term Details
Synonyms:
U Stamp; ASME U Stamp; U Certificate of Authorization; ASME Pressure Vessel Certification
Classification:
Standards, Codes & Regulations
Standard
Intermediate
Applications

Standards, Codes & Regulations; Pressure Equipment; Quality Assurance.

Where It's Used

Pressure vessels.; Manufacturing.; Petrochemical.; Oil and gas.; Power generation.

References

ASME Boiler and Pressure Vessel Code; National Board Inspection Code

See It In VisualAIM

VisualAIM connects glossary concepts to the asset records, inspection histories, and workflows they describe.

Explore the MI Suite