Guidelines for Pressure Boundary Bolted Flange Joint Assembly
Purpose of ASME PCC-1-2022
The core purpose of PCC-1 is to provide a unified, consensus-based methodology—now designated as a formal standard—to ensure that bolted flange joints (BFJ) are assembled correctly. The failure of these joints can lead to serious safety hazards, environmental incidents (fugitive emissions), and costly downtime in industrial facilities like refineries, chemical plants, and power plants.
This standard provides the technical roadmap for minimizing leaks by focusing on:
What is it Used For?
ASME PCC-1-2022 is the industry benchmark for managing flange joint integrity and is used by owners, engineers, assemblers, and inspectors worldwide. Key applications include:
In practice, companies use PCC-1 to write their mandatory, site-specific flange assembly procedures.
| SDO | ASME: American Society of Mechanical Engineers |
| Document Number | PCC-1 |
| Publication Date | Sept. 30, 2022 |
| Language | en - English |
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