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EVS-EN ISO 4126-10:2024

Safety devices for protection against excessive pressure - Part 10: Sizing of safety valves and bursting discs for gas/liquid two-phase flow (ISO 4126-10:2024)

General information

Valid from 15.04.2024
Base Documents
ISO 4126-10:2024; EN ISO 4126-10:2024
ICS Groups
13.240 Protection against excessive pressure
Directives or regulations
None

Standard history

Status
Date
Type
Name
15.04.2024
Main
EVS-EN ISO 4126-10:2024
This document specifies the sizing of safety valves and bursting discs for gas/liquid two-phase flow in pressurized systems such as reactors, storage tanks, columns, heat exchangers, piping systems or transportation tanks/containers, see Figure 2. The possible fluid states at the safety device inlet that can result in two-phase flow are given in Table 1.
NOTE          The pressures used in this document are absolute pressures, not gauge pressures.

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Standard monitoring
English (PDF 682 KB)

Related products

Main

EVS-EN ISO 4126-1:2013

Safety devices for protection against excessive pressure - Part 1: Safety valves (ISO 4126-1:2013)
Newest version Valid from 09.09.2013
Amendment

EVS-EN ISO 4126-1:2013/A1:2016

Safety devices for protection against excessive pressure - Part 1: Safety valves - Amendment 1 (ISO 4126-1:2013/Amd 1:2016)
Newest version Valid from 03.08.2016
Main

EVS-EN 14994:2007

Gas explosion venting protective systems
Newest version Valid from 05.04.2007
Main

EVS-EN ISO 4126-7:2013

Safety devices for protection against excessive pressure - Part 7: Common data (ISO 4126-7:2013)
Newest version Valid from 09.09.2013

Standards designation

EVS Estonian standard
EN European standard (published by an CEN or CENELEC)
EN ISO International standard adopted as an European standard
ISO International Organization for Standardization’s standard
IEC International Electrotechnical Commission’s standard
HD CENELEC’s harmonisation document
   
EVS-EN European standard implemented in Estonia
EVS-EN ISO International standard adopted in Europe and implemented in Estonia
EVS-EN ISO/IEC International standard/International electrotechnical standard adopted in Europe and implemented in Estonia
EVS-IEC International electrotechnical standard implemented in Estonia
EVS-ISO International standard implemented in Estonia
   
A, AMD amedment
+A a full standard plus the amendment
/A only amendment
COR, AC corrigendum
+COR a full standard plus the corrigendum
NA national annex
+NA a full standard plus the national annex
/NA only national annex
TS technical specification
TR technical report
CWA agreement, developed by a CEN or CENELEC
prEVS-EN (etc) draft standard
   
et the standard is in Estonian only
en the standard is in English only
et-en the standard is in Parallel text Estonian-English