Standard

NS-EN ISO 23251:2020

Sept 2020 Published

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Language English

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Abstract

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.

Document information

Standard from SN
Published: 19 September 2020
Edition: 2020-09
Version: 1
Document type: NAT
ISBN:

ICS 75.180.20
National Committee NORSOK/EG P

Product Relations

Refers: NS-EN ISO 4126-2:2019
Refers: NS-EN ISO 4126-6:2014
Refers: NS-EN ISO 4126-5:2013
Refers: NS-EN ISO 4126-7:2013
Refers: NS-EN ISO 4126-4:2013
Refers: NS-EN ISO 4126-1:2013
Refers: ISO 4126-10:2010
Refers: ISO 4126-10:2010
Refers: ISO 4126-10:2010
Refers: NS-EN ISO 25457:2008
Refers: NS-EN ISO 28300:2008
Refers: ISO 4126-9:2008
Refers: ISO 4126-9:2008
Refers: ISO 4126-9:2008
Replaces: NS-EN ISO 23251:2007
Refers: NS-EN ISO 4126-3:2006
Refers: NS-EN 764-7:2002
Refers: ISO 15649:2001
Adopted from: EN ISO 23251:2020 , 0

NS-EN ISO 23251:2020

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