SIST EN ISO 4126-7:2013/A1:2016
(Amendment)Safety devices for protection against excessive pressure - Part 7: Common data (ISO 4126-7:2013/Amd 1:2016)
Safety devices for protection against excessive pressure - Part 7: Common data (ISO 4126-7:2013/Amd 1:2016)
Sicherheitseinrichtungen gegen unzulässigen Überdruck - Teil 7: Allgemeine Daten (ISO 4126-7:2013/Amd 1:2016)
Dispositifs de sécurité pour protection contre les pressions excessives - Partie 7: Données communes (ISO 4126-7:2013/Amd 1:2016)
Naprave za varovanje pred visokim tlakom - 7. del: Splošni podatki - Dopolnilo A1 (ISO 4126-7:2013/Amd 1:2016)
General Information
- Status
- Published
- Public Enquiry End Date
- 14-Apr-2016
- Publication Date
- 16-Aug-2016
- Technical Committee
- TLP - Pressure vessels
- Current Stage
- 6060 - National Implementation/Publication (Adopted Project)
- Start Date
- 08-Jul-2016
- Due Date
- 12-Sep-2016
- Completion Date
- 17-Aug-2016
- Directive
- Not Harmonized97/23/EC - Pressure equipment
Relations
- Effective Date
- 28-Jan-2026
- Effective Date
- 01-Sep-2016
Overview
SIST EN ISO 4126-7:2013/A1:2016 is a European amendment to the international standard ISO 4126-7:2013, titled "Safety devices for protection against excessive pressure - Part 7: Common data." Published by the European Committee for Standardization (CEN), this amendment updates and clarifies specific requirements related to safety devices intended to prevent excessive pressure in various industrial systems. By providing common data and calculation methodologies, the standard supports improved safety, compliance, and consistency for pressure protection devices across industries.
Key Topics
- Amendment Content: This amendment introduces corrections and updates to formulas and data charts used for sizing and performance calculation of pressure relief devices, such as safety valves. Specific changes include updated equations and replacement of certain figures used for estimating thermodynamic properties.
- Calculation Examples: Provides updated sample calculations, such as for determining the required flow area when using safety valves in pressurized vessels containing gases. These examples improve the clarity and usability of the standard for practical engineering tasks.
- Technical Collaboration: Developed in collaboration with technical committees ISO/TC 185 (Safety devices for protection against excessive pressure) and CEN/TC 69 (Industrial valves), ensuring harmonization and broad acceptance within Europe and internationally.
- Legal and Regulatory Context: The standard supports compliance with relevant European Union Directives and regulations on pressure equipment and industrial safety. National standards conflicting with this amendment must be withdrawn.
Applications
The standard and its amendment are applicable to a wide range of industrial sectors where overpressure protection is critical for safety and regulatory compliance. Common applications include:
- Chemical and Petrochemical Plants: Ensuring the safe release of pressure in reactors, pipelines, and storage vessels.
- Power Generation: Protecting boilers, steam systems, and other components from dangerous pressure levels.
- Manufacturing: Supporting the safe operation of compressed air systems and hydraulic machinery.
- Oil & Gas Industry: Securing equipment and pipelines against pressure excursions.
- General Industrial Systems: Any application where the prevention of accidental overpressure is necessary to avoid equipment failure, environmental hazard, or injury.
By standardizing the scope and methodology for calculating vital parameters like flow capacity and discharge area, SIST EN ISO 4126-7:2013/A1:2016 helps engineers and safety professionals ensure reliable and effective installation of safety valves and related devices.
Related Standards
The amendment should be used in conjunction with other parts of the ISO 4126 series, which cover various aspects of safety devices for pressure equipment:
- ISO 4126-1: General requirements for safety valves.
- ISO 4126-2: Requirements for bursting disc safety devices.
- ISO 4126-4: Pilot operated safety valves.
- ISO 4126-6: Application, selection, and installation of safety devices.
- Other CEN and ISO Standards: Including standards addressing pressure vessels, industrial valves, and pressure equipment directives.
Adherence to these standards facilitates consistent safety practices, legal compliance, and interoperability within the European market and globally.
Summary
SIST EN ISO 4126-7:2013/A1:2016 delivers essential updates that enhance the accuracy and credibility of pressure safety devices calculations across multiple industries. The harmonized approach simplifies compliance with EU directives and national regulations, bolstering safety and reliability in industrial pressure applications. For optimal results, this amendment should be integrated into comprehensive pressure safety management strategies alongside other relevant standards.
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Frequently Asked Questions
SIST EN ISO 4126-7:2013/A1:2016 is a amendment published by the Slovenian Institute for Standardization (SIST). Its full title is "Safety devices for protection against excessive pressure - Part 7: Common data (ISO 4126-7:2013/Amd 1:2016)". This standard covers: Safety devices for protection against excessive pressure - Part 7: Common data (ISO 4126-7:2013/Amd 1:2016)
Safety devices for protection against excessive pressure - Part 7: Common data (ISO 4126-7:2013/Amd 1:2016)
SIST EN ISO 4126-7:2013/A1:2016 is classified under the following ICS (International Classification for Standards) categories: 13.240 - Protection against excessive pressure. The ICS classification helps identify the subject area and facilitates finding related standards.
SIST EN ISO 4126-7:2013/A1:2016 has the following relationships with other standards: It is inter standard links to SIST EN 13480-1:2018, SIST EN ISO 4126-7:2013. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
SIST EN ISO 4126-7:2013/A1:2016 is associated with the following European legislation: EU Directives/Regulations: 97/23/EC; Standardization Mandates: M/071. When a standard is cited in the Official Journal of the European Union, products manufactured in conformity with it benefit from a presumption of conformity with the essential requirements of the corresponding EU directive or regulation.
SIST EN ISO 4126-7:2013/A1:2016 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
SLOVENSKI STANDARD
01-september-2016
Naprave za varovanje pred visokim tlakom - 7. del: Splošni podatki - Dopolnilo A1
(ISO 4126-7:2013/Amd 1:2016)
Safety devices for protection against excessive pressure - Part 7: Common data (ISO
4126-7:2013/Amd 1:2016)
Sicherheitseinrichtungen gegen unzulässigen Überdruck - Teil 7: Allgemeine Daten (ISO
4126-7:2013/Amd 1:2016)
Dispositifs de sécurité pour protection contre les pressions excessives - Partie 7:
Données communes (ISO 4126-7:2013/Amd 1:2016)
Ta slovenski standard je istoveten z: EN ISO 4126-7:2013/A1:2016
ICS:
13.240 Varstvo pred previsokim Protection against excessive
tlakom pressure
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EN ISO 4126-7:2013/A1
EUROPEAN STANDARD
NORME EUROPÉENNE
June 2016
EUROPÄISCHE NORM
ICS 13.240
English Version
Safety devices for protection against excessive pressure -
Part 7: Common data - Amendment 1 (ISO 4126-
7:2013/Amd 1:2016)
Dispositifs de sécurité pour protection contre les Sicherheitseinrichtungen gegen unzulässigen
pressions excessives - Partie 7: Données communes - Überdruck - Teil 7: Allgemeine Daten - Änderung 1
Amendement 1 (ISO 4126-7:2013/Amd 1:2016) (ISO 4126-7:2013/Amd 1:2016)
This amendment A1 modifies the European Standard EN ISO 4126-7:2013; it was approved by CEN on 19 May 2016.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for inclusion of
this amendment into the relevant national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.
This amendment exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the
same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2016 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 4126-7:2013/A1:2016 E
worldwide for CEN national Members.
Contents Page
European foreword . 3
European foreword
This document (EN ISO 4126-7:2013/A1:2016) has been prepared by Technical Committee ISO/TC 185
"Safety devices for protection against excessive pressure" in collaboration with Technical Committee
CEN/TC 69 “Industrial valves” the secretariat of which is held by AFNOR.
This Amendment to the European Standard EN ISO 4126-7:2013 shall be given the status of a national
standard, either by publication of an identical text or by endorsement, at the latest by December 2016,
and conflicting national standards shall be withdrawn at the latest by December 2016.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent
rights.
This document has been prepared under a mandate given to CEN by the European Commission and the
European Free Trade Association, and supports essential requirements of EU Directive(s).
For relationship with EU Directive, see informative Annex ZA, which is an integral part of
EN ISO 4126-7:2013.
According to the CEN-CENELEC Internal Regulations, the national standards organizations of the
following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,
Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia,
France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta,
Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.
Endorsement notice
The text of ISO 4126-7:2013/Amd 1:2016 has been approved by CEN as EN ISO 4126-7:2013/A1:2016
without any modification.
INTERNATIONAL ISO
STANDARD 4126-7
Second edition
2013-07-15
AMENDMENT 1
2016-06-01
Safety devices for protection against
excessive pressure —
Part 7:
Common da
...
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