prEN ISO 14451-7
(Main)Pyrotechnic articles - Pyrotechnic articles for vehicles - Part 7: Requirements and categorization for seatbelt pretensioners (ISO/DIS 14451-7:2026)
Pyrotechnic articles - Pyrotechnic articles for vehicles - Part 7: Requirements and categorization for seatbelt pretensioners (ISO/DIS 14451-7:2026)
ISO 14451-7:2013 specifies the types and order of tests to be applied to the seatbelt pretensioners and sets out the associated acceptance criteria and means of categorization.
ISO 14451-7:2013 applies to type tests.
ISO 14451-7:2013 is not applicable to articles containing military explosives or commercial blasting agents except for black powder or flash composition.
Pyrotechnische Gegenstände - Pyrotechnische Gegenstände für Fahrzeuge - Teil 7: Anforderungen und Kategorisierung von Gurtstraffern (ISO/DIS 14451‑7:2026)
Articles pyrotechniques - Articles pyrotechniques pour véhicules - Partie 7: Exigences relatives aux prétensionneurs de ceinture et leur classement en catégories (ISO/DIS 14451-7:2026)
L'ISO 14451-7:2013 spécifie les types et l'ordre des essais à réaliser sur les prétensionneurs de ceinture et établit les critères d'acceptation correspondants et les règles de classement en catégories.
Elle est applicable aux essais de type.
Elle n'est pas applicable aux articles contenant des explosifs militaires ou des substances explosives commerciales, à l'exception de la poudre noire ou de la composition lumineuse.
Pirotehnični izdelki - Pirotehnični izdelki za vozila - 7. del: Zahteve in kategorizacija za varnostne pasove (ISO/DIS 14451-7:2026)
General Information
- Status
- Not Published
- Publication Date
- 05-May-2027
- Technical Committee
- CEN/TC 212 - Fireworks
- Drafting Committee
- CEN/TC 212/WG 4 - Pyrotechnic articles for vehicles
- Current Stage
- 4020 - Submission to enquiry - Enquiry
- Start Date
- 15-Jan-2026
- Due Date
- 02-Oct-2025
- Completion Date
- 15-Jan-2026
Relations
- Effective Date
- 01-May-2024
Overview
prEN ISO 14451-7 (Pyrotechnic articles for vehicles – Part 7: Requirements and categorization for seatbelt pretensioners) is a draft European and International Standard developed by CEN and ISO Technical Committee 22/SC 36. This document defines the essential requirements, types of tests, acceptance criteria, and the categorization process for seatbelt pretensioners containing pyrotechnic components used in vehicles. The standard aims to ensure uniform safety, quality, and regulatory compliance for automotive seatbelt pretensioners across international markets, except for devices containing certain restricted explosives or those intended for military or commercial blasting applications.
Key Topics
- Type Testing Procedures: Outlines the full sequence and scope of type testing required for seatbelt pretensioners to demonstrate compliance. This includes drop tests, vibration and temperature testing, thermal humidity cycling, electrostatic discharge (ESD), fire testing, and functioning tests.
- Acceptance Criteria: Specifies clear criteria for test outcomes, such as no unintended ignition, no spillage of pyrotechnic material, and only foreseeable or intended fragmentation during function.
- Forbidden Substances: Lists substances prohibited in the manufacture of pyrotechnic compositions for these devices, improving environmental and user safety. Notable forbidden substances include arsenic compounds, mercury, polychlorobenzenes, lead (with limited exceptions), white phosphorus, and certain picrates.
- Documentation & Disposal: Details the requirements for technical documentation and safety data sheets, emphasizing proper design records and safe disposal information in line with current regulatory frameworks.
- Categorization: Establishes two main categories for seatbelt pretensioners:
- Category P1: Low hazard, suitable for general handling.
- Category P2: Intended only for persons with specialized training or knowledge, typically due to higher potential risk. Categorization is determined by the observed effects during testing, such as ejection distance and the height of fragments.
Applications
prEN ISO 14451-7 is essential for:
- Automotive manufacturers designing or integrating seatbelt pretensioners in vehicle safety systems.
- Pyrotechnic article producers seeking CE marking or demonstrating compliance with European regulatory directives (notably Directive 2013/29/EU on pyrotechnic articles).
- Testing laboratories conducting type approval and conformity assessments of pyrotechnic safety devices.
- Regulatory authorities and notified bodies evaluating product compliance for market access.
- Component suppliers involved in the supply chain of automotive pyrotechnic devices, particularly those focused on occupant restraint and crash protection systems.
Adhering to prEN ISO 14451-7 helps organizations ensure product safety, minimize liability, and facilitate market acceptance within the EU and globally.
Related Standards
For comprehensive compliance and understanding, the following related standards in the ISO 14451 series should be consulted:
- ISO 14451-1: Vocabulary for pyrotechnic articles for vehicles.
- ISO 14451-2: Test methods for vehicle pyrotechnic articles.
- ISO 14451-4: Requirements and categorization for micro gas generators.
- ISO 14451-5: Requirements and categorization for airbag gas generators.
- ISO 14451-8: Requirements for igniters used in vehicle pyrotechnic articles.
Other key references include Directive 2013/29/EU (harmonization of laws relating to pyrotechnic articles), ensuring that seatbelt pretensioners meet both industry and legislative safety requirements.
Practical Value
Implementing prEN ISO 14451-7 ensures seatbelt pretensioners are rigorously tested for safety and performance, reducing risks in automotive applications. Manufacturers benefit from standardized testing procedures, clear documentation guidelines, and a harmonized approach to categorization, supporting innovation while ensuring public safety and regulatory compliance in the global marketplace.
Frequently Asked Questions
prEN ISO 14451-7 is a draft published by the European Committee for Standardization (CEN). Its full title is "Pyrotechnic articles - Pyrotechnic articles for vehicles - Part 7: Requirements and categorization for seatbelt pretensioners (ISO/DIS 14451-7:2026)". This standard covers: ISO 14451-7:2013 specifies the types and order of tests to be applied to the seatbelt pretensioners and sets out the associated acceptance criteria and means of categorization. ISO 14451-7:2013 applies to type tests. ISO 14451-7:2013 is not applicable to articles containing military explosives or commercial blasting agents except for black powder or flash composition.
ISO 14451-7:2013 specifies the types and order of tests to be applied to the seatbelt pretensioners and sets out the associated acceptance criteria and means of categorization. ISO 14451-7:2013 applies to type tests. ISO 14451-7:2013 is not applicable to articles containing military explosives or commercial blasting agents except for black powder or flash composition.
prEN ISO 14451-7 has the following relationships with other standards: It is inter standard links to EN ISO 14451-7:2013. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
prEN ISO 14451-7 is associated with the following European legislation: EU Directives/Regulations: 2013/29/EU; Standardization Mandates: M/583. 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.
prEN ISO 14451-7 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-marec-2026
Pirotehnični izdelki - Pirotehnični izdelki za vozila - 7. del: Zahteve in kategorizacija
za varnostne pasove (ISO/DIS 14451-7:2026)
Pyrotechnic articles - Pyrotechnic articles for vehicles - Part 7: Requirements and
categorization for seatbelt pretensioners (ISO/DIS 14451-7:2026)
Pyrotechnische Gegenstände - Pyrotechnische Gegenstände für Fahrzeuge - Teil 7:
Anforderungen und Kategorisierung von Gurtstraffern (ISO/DIS 14451-7:2026)
Articles pyrotechniques - Articles pyrotechniques pour véhicules - Partie 7: Exigences
relatives aux prétensionneurs de ceinture et leur classement en catégories (ISO/DIS
14451-7:2026)
Ta slovenski standard je istoveten z: prEN ISO 14451-7
ICS:
43.040.80 Sistemi za zaščito pri trku in Crash protection and
sistemi za zadrževanje restraint systems
potnikov
71.100.30 Eksplozivi. Pirotehnika in Explosives. Pyrotechnics and
ognjemeti fireworks
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
DRAFT
International
Standard
ISO/DIS 14451-7
ISO/TC 22/SC 36
Pyrotechnic articles — Pyrotechnic
Secretariat: AFNOR
articles for vehicles —
Voting begins on:
Part 7: 2026-01-12
Requirements and categorization
Voting terminates on:
2026-04-06
for seatbelt pretensioners
Articles pyrotechniques — Articles pyrotechniques pour
véhicules —
Partie 7: Exigences relatives aux prétensionneurs de ceinture et
leur classement en catégories
ICS: 71.100.30; 43.040.80
THIS DOCUMENT IS A DRAFT CIRCULATED
FOR COMMENTS AND APPROVAL. IT
IS THEREFORE SUBJECT TO CHANGE
AND MAY NOT BE REFERRED TO AS AN
INTERNATIONAL STANDARD UNTIL
PUBLISHED AS SUCH.
This document is circulated as received from the committee secretariat.
IN ADDITION TO THEIR EVALUATION AS
BEING ACCEPTABLE FOR INDUSTRIAL,
TECHNOLOGICAL, COMMERCIAL AND
USER PURPOSES, DRAFT INTERNATIONAL
STANDARDS MAY ON OCCASION HAVE TO
ISO/CEN PARALLEL PROCESSING
BE CONSIDERED IN THE LIGHT OF THEIR
POTENTIAL TO BECOME STANDARDS TO
WHICH REFERENCE MAY BE MADE IN
NATIONAL REGULATIONS.
RECIPIENTS OF THIS DRAFT ARE INVITED
TO SUBMIT, WITH THEIR COMMENTS,
NOTIFICATION OF ANY RELEVANT PATENT
RIGHTS OF WHICH THEY ARE AWARE AND TO
PROVIDE SUPPORTING DOCUMENTATION.
Reference number
ISO/DIS 14451-7:2026(en)
DRAFT
ISO/DIS 14451-7:2026(en)
International
Standard
ISO/DIS 14451-7
ISO/TC 22/SC 36
Pyrotechnic articles — Pyrotechnic
Secretariat: AFNOR
articles for vehicles —
Voting begins on:
Part 7:
2026-01-12
Requirements and categorization
Voting terminates on:
2026-04-06
for seatbelt pretensioners
Articles pyrotechniques — Articles pyrotechniques pour
véhicules —
Partie 7: Exigences relatives aux prétensionneurs de ceinture et
leur classement en catégories
ICS: 71.100.30; 43.040.80
THIS DOCUMENT IS A DRAFT CIRCULATED
FOR COMMENTS AND APPROVAL. IT
IS THEREFORE SUBJECT TO CHANGE
AND MAY NOT BE REFERRED TO AS AN
INTERNATIONAL STANDARD UNTIL
PUBLISHED AS SUCH.
This document is circulated as received from the committee secretariat.
IN ADDITION TO THEIR EVALUATION AS
BEING ACCEPTABLE FOR INDUSTRIAL,
© ISO 2026
TECHNOLOGICAL, COMMERCIAL AND
USER PURPOSES, DRAFT INTERNATIONAL
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
STANDARDS MAY ON OCCASION HAVE TO
ISO/CEN PARALLEL PROCESSING
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
BE CONSIDERED IN THE LIGHT OF THEIR
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
POTENTIAL TO BECOME STANDARDS TO
WHICH REFERENCE MAY BE MADE IN
or ISO’s member body in the country of the requester.
NATIONAL REGULATIONS.
ISO copyright office
RECIPIENTS OF THIS DRAFT ARE INVITED
CP 401 • Ch. de Blandonnet 8
TO SUBMIT, WITH THEIR COMMENTS,
CH-1214 Vernier, Geneva
NOTIFICATION OF ANY RELEVANT PATENT
Phone: +41 22 749 01 11
RIGHTS OF WHICH THEY ARE AWARE AND TO
PROVIDE SUPPORTING DOCUMENTATION.
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland Reference number
ISO/DIS 14451-7:2026(en)
ii
ISO/DIS 14451-7:2026(en)
Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Requirements and acceptance criteria . 1
4.1 General .1
4.2 Verification of design and documentation .1
4.2.1 Documentation.1
4.2.2 Forbidden substances .2
4.2.3 Disposal .2
4.3 Drop test .2
4.3.1 Requirements .2
4.3.2 Acceptance criteria .2
4.4 Vibration and temperature test . .2
4.4.1 Requirements .2
4.4.2 Acceptance criteria .2
4.5 Thermal humidity cycling test .2
4.5.1 Requirements .2
4.5.2 Acceptance criteria .2
4.6 Electrostatic discharge (ESD) test .3
4.6.1 Requirements .3
4.6.2 Acceptance criteria .3
4.7 Fire test .3
4.7.1 Requirements .3
4.7.2 Acceptance criteria .3
4.8 Functioning test . .3
4.8.1 Requirements .3
4.8.2 Acceptance criteria .3
5 Test matrix for seatbelt pretensioners . 4
6 Categorization of seatbelt pretensioners . 4
6.1 Categories.4
6.2 Acceptance criteria .4
Annex ZA (informative) Relationship between this European Standard and the essential safety
requirements of Directive 2013/29/EU aimed to be covered . 5
iii
ISO/DIS 14451-7:2026(en)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out through
ISO technical committees. Each member body interested in a subject for which a technical committee
has been established has the right to be represented on that committee. International organizations,
governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely
with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are described
in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the different types
of ISO documents should be noted. This document was drafted in accordance with the editorial rules of the
ISO/IEC Directives, Part 2 (see www.iso.org/directives).
ISO draws attention to the possibility that the implementation of this document may involve the use of (a)
patent(s). ISO takes no position concerning the evidence, validity or applicability of a
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