Iso 23251 Pdf -

(current version) is an international standard that specifies requirements and guidelines for the design, selection, installation, and operation of pressure‑relieving and depressuring systems in the petroleum, petrochemical, and natural gas industries.

The FAT typically includes:

It outlines the "vessel blowdown" procedure to prevent vessel failure due to metal weakening from heat. iso 23251 pdf

44 pages