Back

EVS-EN ISO 23251:2020

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

General information
Valid from 15.09.2020
Base Documents
ISO 23251:2019; EN ISO 23251:2020
Directives or regulations
None

Standard history

Status
Date
Type
Name
15.09.2020
Main
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.
*
*
*
PDF
10.98 € incl tax
Paper
10.98 € incl tax
Browse standard from 2.44 € incl tax
Standard monitoring

Customers who bought this item also bought

Main

EVS-EN 12952-1:2015

Water-tube boilers and auxiliary installations - Part 1: General
Newest version Valid from 03.12.2015
Main

EVS-EN 12953-6:2011

Shell boilers - Part 6: Requirements for equipment for the boiler
Newest version Valid from 03.03.2011
Main

EVS-EN 1708-1:2010

Welding - Basic weld joint details in steel - Part 1: Pressurized components
Newest version Valid from 04.03.2010
Main

EVS-EN 10216-5:2021

Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 5: Stainless steel tubes
Newest version Valid from 01.11.2021