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ISO 23251:2019

Petroleum, petrochemical and natural gas industries — Pressure-relieving and depressuring systems

Mar 18, 2019

General information

90.93     Oct 1, 2024

ISO

ISO/TC 67/SC 6

International Standard

75.180.20  

English   French  

Buying

Published

Language in which you want to receive the document.

Scope

This document is applicable to pressure-relieving and vapour depressuring systems. Although intended for use primarily in oil refineries, it is also applicable to petrochemical facilities, gas plants, Liquefied Natural Gas (LNG) facilities and oil and gas production facilities. The information provided is designed to aid in the selection of the system that is most appropriate for the risks and circumstances involved in various installations.
This document supplements API Std 521, 6th edition (2014), the requirements of which are applicable with the exceptions specified in this document.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 23251:2006

WITHDRAWN
ISO 23251:2006/Cor 1:2007

WITHDRAWN
ISO 23251:2006/Amd 1:2008

ABANDON
ISO/DIS 23251

NOW

PUBLISHED
ISO 23251:2019
90.93 Standard confirmed
Oct 1, 2024