Iso 23251 Pdf May 2026

The primary goal of the standard is to help engineers select the most appropriate pressure-relief and depressuring systems based on the specific risks of an installation. Primary Application: Oil refineries.

The (officially titled Petroleum, petrochemical and natural gas industries — Pressure-relieving and depressuring systems ) is a cornerstone international standard for ensuring process safety in high-risk hydrocarbon environments. It provides rigorous guidelines for the design, selection, and implementation of systems meant to protect equipment from catastrophic overpressure. Core Purpose and Scope iso 23251 pdf

The latest version, , supplements API Standard 521 (6th edition, 2014). It focuses on several critical safety functions: The primary goal of the standard is to

Petrochemical facilities, gas plants, Liquefied Natural Gas (LNG) facilities, and oil and gas production sites. It provides rigorous guidelines for the design, selection,

ISO 23251:2019 - Petroleum, petrochemical and natural gas industries — Pressure-relieving and depressuring systems

This standard does not apply to direct-fired steam boilers. Key Technical Focus Areas