kSIST FprEN ISO 8207:2026

• Abstract:

  This document specifies the performance and test requirements of hose assemblies supplied in assembled condition using rubber hose according to ISO 3821 up to and including nominal size 20,0, for gas welding, cutting and allied processes.; This document is not applicable to high-pressure hose assemblies upstream of the pressure regulators.

• Status: Not Published
• Public Enquiry End Date: 19-Dec-2025
• ICS: 23.040.70 - Hoses and hose assemblies
• ICS: 25.160.30 - Welding equipment
• ICS: 83.140.40 - Hoses
• Technical Committee: VAR - Welding
• Current Stage: 5020 - Formal vote (FV) (Adopted Project)
• Start Date: 04-Jun-2026
• Due Date: 23-Jul-2026
• Completion Date: 23-Jul-2026
• Ref Project: EN ISO 8207:2026 - Gas welding equipment - Specification for hose assemblies for equipment for welding, cutting and allied processes (ISO 8207:2026)

• Revises: SIST EN 1256:2006 - Gas welding equipment - Specification for hose assemblies for equipment for welding, cutting and allied processes
• Effective Date: 10-Sep-2025

kSIST FprEN ISO 8207:2026 is a SIST standard for hose assemblies used with gas welding, cutting and allied processes. It specifies performance, construction, marking, and test requirements for assembled rubber hose up to nominal size 20,0. It is intended for manufacturers, assemblers, and testers who need a common basis for hose assembly design and verification.

What does kSIST FprEN ISO 8207:2026 specify?

kSIST FprEN ISO 8207:2026 covers hose assemblies supplied in assembled condition using rubber hose according to ISO 3821. It applies to equipment for welding, cutting and allied processes, and it excludes high-pressure hose assemblies upstream of pressure regulators.

The document is organized into six clauses plus one informative annex.

Annex	What it covers
A	Examples of kinking protection design

The main clauses cover scope, references, terms, construction, marking, and performance requirements with test methods. That structure matters in practice because it separates what the hose assembly must be made from, how it must be identified, and how its safety-related performance is checked.

What are the key requirements of kSIST FprEN ISO 8207:2026?

Construction and materials

kSIST FprEN ISO 8207:2026 requires hose assemblies to use hoses in accordance with ISO 3821 and appropriate hose fittings. Parts that come into direct contact with the gas supply must comply with ISO 9539, and materials for hose mounting devices must be corrosion resistant or protected against corrosion.

The document also prohibits greases or pastes during manufacture. In practice, this helps prevent contamination, assembly problems, and avoidable deterioration of the connection.

Clause 4.2 requires the hose tail to have no sharp edges that could damage the hose during assembly or use. It also requires enough mounting area for safe positioning of the hose mounting device. This is a practical anti-damage requirement: the hose should not be cut, nicked, or stressed at the joint.

Secure attachment

Clause 4.2.3 requires the hose to be securely fitted to the hose tail by a compatible hose mounting device that gives repeatable resistance to separation under axial load. Worm drive screw clips, or similar detachable clips or clamps, shall not be used.

For users, this means the connection must stay together under pulling forces that can occur in service. The standard is aiming at a retained, repeatable joint rather than a temporary clamp.

Marking

Clause 5 requires durable marking with the manufacturer name or trade mark and a reference to ISO 8207. The marking goes on the end fitting or on a separate band fixed to the hose next to the end fitting.

The document also allows date coding such as the last two digits of the year plus month or week of assembly. In practice, that supports traceability for production, installation, and later inspection.

Performance tests

Clause 6 states that the tests are for type testing. That means the document is mainly used to validate a hose assembly design before it is placed on the market or into use.

The gas tightness test follows ISO 9090, and the acceptance criterion is the maximum permissible leakage rate from that standard. The pressure separation test requires one minute at three times the maximum working pressure, at laboratory temperature, using a free length of 500 mm; the hose must not separate from the hose tail.

Clause 6.4 checks resistance to separation under axial load on an unpressurized hose assembly. The hose must not separate, the components must not fracture, and the assembly must remain gas tight after the test. Table 1 gives the axial load by nominal size, including the larger sizes added in this edition.

What terms does kSIST FprEN ISO 8207:2026 define?

• Hose assembly - a hose with a hose fitting attached to one or both ends.
• Hose tail - the part of the fitting that enters and retains the hose; Clause 4 requires it to avoid sharp edges.
• End fitting - the end part used for connection and marking of the hose assembly.
• Kinking protection - an added feature near the hose tail that limits movement and helps prevent early damage to the hose lining.
• Nominal size - the size class used to assign the axial load values in Table 1.
• Gas tightness - the leak performance checked against ISO 9090.

Who uses kSIST FprEN ISO 8207:2026?

Manufacturers of gas welding equipment and hose assemblies use kSIST FprEN ISO 8207:2026 to design, assemble, and mark hose assemblies. Test laboratories use it for type testing, especially leakage, pressure separation, and axial-load checks.

Quality managers, inspectors, and buyers use it to specify what a compliant hose assembly should be made of and how it should be verified. It is also relevant to suppliers and maintenance organizations working with equipment for welding, cutting, and allied processes.

What changed in kSIST FprEN ISO 8207:2026 from the previous edition?

kSIST FprEN ISO 8207:2026 is the second edition and it cancels and replaces ISO 8207:1996.

The stated changes are:

• the scope is clarified to cover rubber hoses according to ISO 3821 up to and including nominal size 20,0
• a definition of assembled hose is added in Clause 3 and aligned with ISO 15296:2017
• Clause 4 on construction is modified
• the former operational criteria content is moved into Clause 6
• a new Clause 5 on marking is added
• nominal sizes 12,5, 16,0 and 20,0 and their axial loads are added in Table 1
• the former informative annex on hose tail dimensions is deleted
• a new informative annex gives examples of kinking protection design

Which standards are used with kSIST FprEN ISO 8207:2026?

• ISO 3821 - defines the rubber hoses used as the hose body.
• ISO 8330 - supplies the general vocabulary for rubber and plastics hoses and hose assemblies.
• ISO 9090 - provides the gas tightness test and leakage acceptance basis.
• ISO 9539 - covers materials for equipment used in gas welding, cutting and allied processes.
• ISO 15296:2017 - is named as the vocabulary source used to align the term added for assembled hose.
• ISO/TR 28821 - is listed in the bibliography as related background on hose connections in common use.

What does the kSIST FprEN ISO 8207:2026 document contain?

kSIST FprEN ISO 8207:2026 contains a short technical framework for hose assemblies, starting with scope and references and then moving to terms, construction, marking, and test methods. It includes requirements for materials, hose tail design, secure attachment, and durable identification.

Its test content is practical and focused on service safety: leak tightness, pressure retention, and resistance to pull-off under axial load. The annex adds illustrative examples of kinking protection, which helps designers understand how to reduce damage near the hose tail without changing the main requirements.

SLOVENSKI STANDARD
oSIST prEN ISO 8207:2025
01-december-2025
Oprema za plamensko varjenje - Popis za cevne vode za opremo za varjenje,
rezanje in sorodne postopke (ISO/DIS 8207:2025)
Gas welding equipment - Specification for hose assemblies for equipment for welding,
cutting and allied processes (ISO/DIS 8207:2025)
Gasschweißgeräte - Festlegungen für Schlauchleitungen für Ausrüstungen für
Schweißen, Schneiden und verwandte Verfahren (ISO/DIS 8207:2025)
Matériel de soudage au gaz - Spécifications relatives aux flexibles pour matériel de
soudage, coupage et techniques connexes (ISO/DIS 8207:2025)
Ta slovenski standard je istoveten z: prEN ISO 8207
ICS:
25.160.30 Varilna oprema Welding equipment
83.140.40 Gumene cevi Hoses
oSIST prEN ISO 8207:2025 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

oSIST prEN ISO 8207:2025
oSIST prEN ISO 8207:2025
DRAFT
International
Standard
ISO/DIS 8207
ISO/TC 44/SC 8
Gas welding equipment —
Secretariat: DIN
Specification for hose assemblies
Voting begins on:
for equipment for welding, cutting
2025-10-13
and allied processes
Voting terminates on:
2026-01-05
Matériel de soudage au gaz — Spécifications relatives aux
assemblages de tuyaux souples sur les douilles porte-tuyau pour
matériel de soudage, coupage et techniques connexes
ICS: 83.140.40; 25.160.30
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 has not been edited by the ISO Central 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 8207:2025(en)
oSIST prEN ISO 8207:2025
DRAFT
ISO/DIS 8207:2025(en)
International
Standard
ISO/DIS 8207
ISO/TC 44/SC 8
Gas welding equipment —
Secretariat: DIN
Specification for hose assemblies
Voting begins on:
for equipment for welding, cutting
and allied processes
Voting terminates on:
Matériel de soudage au gaz — Spécifications relatives aux
assemblages de tuyaux souples sur les douilles porte-tuyau pour
matériel de soudage, coupage et techniques connexes
ICS: 83.140.40; 25.160.30
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 has not been edited by the ISO Central Secretariat.
IN ADDITION TO THEIR EVALUATION AS
BEING ACCEPTABLE FOR INDUSTRIAL,
© ISO 2025
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
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RIGHTS OF WHICH THEY ARE AWARE AND TO
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Email: [e-mail]
Website: www.iso.org
Published in Switzerland Reference number
ISO/DIS 8207:2025(en)
ii
oSIST prEN ISO 8207:2025
ISO/DIS 8207:2025(en)
Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Construction . 3
4.1 Materials .3
4.2 Design of hose tail and hose assembly .3
4.2.1 General .3
4.2.2 Hose tail .3
4.2.3 Hose assembly .4
5 Marking . . 4
6 Performance requirements, operational criteria and test methods . 4
6.1 General .4
6.2 Gas tightness .4
6.2.1 Test method .4
6.2.2 Acceptance requirements .4
6.3 Resistance to separation under pressure .4
6.3.1 Test method .4
6.3.2 Acceptance requirements .4
6.4 Resistance to separation under axial load .5
6.4.1 Test method .5
6.4.2 Acceptance requirements .5
Annex A (informative) Examples of kinking protection design . 6
Bibliography . 7

iii
oSIST prEN ISO 8207:2025
ISO/DIS 8207:2025(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
...