EN ISO 11117:2019/FprA1

• Status: Not Published
• Publication Date: 17-Jan-2027
• ICS: 11.040.10 - Anaesthetic, respiratory and reanimation equipment
• ICS: 23.020.35 - Gas cylinders
• Technical Committee: CEN/TC 23 - Transportable gas cylinders
• Drafting Committee: CEN/TC 23/WG 20 - Cylinder design - Fittings
• Current Stage: 4599 - Dispatch of FV draft to CMC - Finalization for Vote
• Start Date: 02-Jul-2026
• Completion Date: 02-Jul-2026
• Directive: Not Harmonized2008/68/EC - Directive 2008/68/EC of the European Parliament and of the council of 24 September 2008 on the inland transport of the dangerous goods
• Mandate: M/TDG - Standards for referencing in the RID-ADR
• Ref Project: SIST EN ISO 11117:2020/oprA1:2026 - Gas cylinders - Valve protection caps and guards - Design, construction and tests - Amendment 1 (ISO 11117:2019/DAM 1:2026)

• Consolidated By: ISO 11117:2019/FDAmd 1 - Gas cylinders — Valve protection caps and guards — Design, construction and tests — Amendment 1
• Effective Date: 12-Feb-2026
• Amends: EN ISO 11117:2019 - Gas cylinders - Valve protection caps and guards - Design, construction and tests (ISO 11117:2019)
• Effective Date: 23-Oct-2024

Overview

EN ISO 11117:2019/FprA1 is an amendment to the internationally recognized standard for gas cylinders, focusing on the design, construction, and testing of valve protection caps and guards. Developed by CEN and ISO Technical Committee ISO/TC 58/SC 2, this amendment addresses critical updates to existing technical requirements and test procedures. The primary goal is to enhance the safety and reliability of gas cylinder valve protection, particularly regarding thread dimensions, tolerances, and the impact of design changes. This standard plays a crucial role in supporting safety, regulatory compliance, and interoperability across the gas cylinder manufacturing and inspection industries.

Key Topics

• Valve Protection Caps and Guards

  • Specifies requirements for the design and construction of caps and guards that protect gas cylinder valves
  • Aims to reduce damage risk to valves during handling, transport, and storage

• Thread Design and Dimensions

  • Updates dimensions and tolerances for typical North American thread profiles used in valve protection caps and guards
  • Standardizes key parameters such as major diameter, pitch diameter, minor diameter, and thread height to ensure compatibility and safety

• Testing and Evaluation Procedures

  • Refines protocols for testing valve guards and caps, especially relating to the drop test evaluation in response to design modifications
  • Clarifies when further evaluation or repeat testing is required following changes in valve design or arrangement of physical features

• Amendments to Documentation and Terminology

  • Updates language to clarify measurement requirements and reference schematic drawings that define the dimensional envelope for valve guards
  • Revises documentation to support easier compliance and interpretation

Applications

Implementing EN ISO 11117:2019/FprA1 is essential in the following areas:

• Cylinder Manufacturing

  • Ensures that manufacturers produce valve protection devices that meet international safety and compatibility standards
  • Promotes product consistency and reliability across global markets

• Industrial Gas Supply and Transportation

  • Enhances worker and public safety during the movement and storage of high-pressure gas cylinders
  • Reduces incidents related to valve damage, leakage, or accidental gas release

• Inspection and Maintenance

  • Provides inspectors and service providers with clear reference points for checking compliance and performing periodic reviews
  • Guides decision-making on when further tests or evaluations are needed after component modifications

• Regulatory Compliance

  • Assists organizations in meeting local, national, and international regulatory requirements related to gas cylinder safety
  • Facilitates alignment with health, safety, and environmental standards in industrial and commercial sectors

Related Standards

For comprehensive gas cylinder safety and quality management, the following standards may also be relevant:

• ISO 11117:2019 - Original standard detailing fundamental requirements for gas cylinder valve protection caps and guards
• EN ISO 9809 - Covers seamless steel gas cylinders, their design and construction
• ISO 10297 - Specifies the requirements for cylinder valves
• ISO 7866 - Relates to seamless aluminium-alloy gas cylinders
• ISO/TC 58 Series - Includes a range of standards on gas cylinders, their accessories, and testing methodologies

By integrating EN ISO 11117:2019/FprA1 into operational and manufacturing practices, stakeholders improve safety, ensure compliance, and support the reliable delivery of industrial and medical gases worldwide.

Keywords: valve protection caps, gas cylinders, guards, thread dimensions, cylinder safety, EN ISO 11117, industrial gas, compliance, cylinder valve protection, CEN standards.

SLOVENSKI STANDARD
01-marec-2026
Plinske jeklenke - Zaščitne kape in varovala ventilov plinskih jeklenk -
Konstruiranje, izdelava in preskusi - Dopolnilo A1 (ISO 11117:2019/DAM 1:2026)
Gas cylinders - Valve protection caps and guards - Design, construction and tests -
Amendment 1 (ISO 11117:2019/DAM 1:2026)
Gasflaschen - Ventilschutzkappen und Schutzkörbe - Auslegung, Bau und Prüfungen -
Änderung 1 (ISO 11117:2019/DAM 1:2026)
Bouteilles à gaz - Chapeaux fermés et chapeaux ouverts de protection des robinets -
Conception, construction et essais - Amendement 1 (ISO 11117:2019/DAM 1:2026)
Ta slovenski standard je istoveten z: EN ISO 11117:2019/prA1
ICS:
23.020.35 Plinske jeklenke Gas cylinders
23.060.99 Drugi ventili Other valves
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

DRAFT
Amendment
ISO 11117:2019/
DAM 1
ISO/TC 58/SC 2
Gas cylinders — Valve protection
Secretariat: AFNOR
caps and guards — Design,
construction and tests
Voting begins on:
2026-01-15
AMENDMENT 1
Voting terminates on:
2026-04-09
Bouteilles à gaz — Chapeaux fermés et chapeaux ouverts de
protection des robinets — Conception, construction et essais
AMENDEMENT 1
ICS: 23.020.35; 11.040.10
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 11117:2019/DAM 1:2026(en)
DRAFT
ISO 11117:2019/DAM 1:2026(en)
Amendment
ISO 11117:2019/
DAM 1
ISO/TC 58/SC 2
Gas cylinders — Valve protection
Secretariat: AFNOR
caps and guards — Design,
construction and tests
Voting begins on:
AMENDMENT 1
Voting terminates on:
Bouteilles à gaz — Chapeaux fermés et chapeaux ouverts de
protection des robinets — Conception, construction et essais
AMENDEMENT 1
ICS: 23.020.35; 11.040.10
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: [phone]
RIGHTS OF WHICH THEY ARE AWARE AND TO
PROVIDE SUPPORTING DOCUMENTATION.
Email: [e-mail]
Website: www.iso.org
Published in Switzerland Reference number
ISO 11117:2019/DAM 1:2026(en)
ii
ISO 11117:2019/DAM 1:2026(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
...