Petroleum and related products - Determination of wick flame persistence of fire-resistant fluids (ISO 14935:2020)

ISO  14935 specifies a method for the assessment of the persistence of a flame applied to the edge of a wick of non-flammable material immersed in fire-resistant fluid.This test does not determine the behaviour of a spray of fire-resistant fluid.

Mineralölerzeugnisse und verwandte Produkte - Bestimmung der Nachbrennzeit schwer entflammbarer Flüssigkeiten an einem Docht (ISO 14935:2020)

Dieses Dokument legt ein Verfahren zur Beurteilung der Nachbrennzeit einer Flamme fest, die auf die Kante eines Dochts aus nicht entflammbarem Werkstoff, der in eine schwer entflammbare Flüssigkeit getaucht ist, einwirkt.
Diese Prüfung bestimmt nicht das Verhalten einer versprühten schwer entflammbaren Flüssigkeit.
ANMERKUNG   Derartige Prüfungen sind in ISO 15029 1 und ISO 15029 2 festgelegt.
Dieses Dokument legt eine von vier grundlegenden Prüfungen zur Bestimmung der Entflammbarkeit fest.
Dieses Dokument gilt nicht für bestimmte Flüssigkeiten wie solche der Kategorien HFAE und HFAS.

Pétrole et produits connexes - Détermination de la persistance d'une flamme sur une mèche trempée dans un fluide difficilement inflammable (ISO 14935:2020)

Le présent document spécifié une méthode d'évaluation de la persistance d'une flamme appliquée à l'extrémité d'une mèche en matière ignifugée, trempée dans un fluide difficilement inflammable.
Cet essai ne permet pas de déterminer les caractéristiques d'inflammation des fluides difficilement inflammables en jet pulvérisé.
NOTE       Les méthodes qui permettent de déterminer ces caractéristiques sont spécifiées dans les ISO 15029‑1 et ISO 15029‑2.
Le présent document spécifie l'une des quatre méthodes qui permettent de déterminer l'inflammabilité des fluides difficilement inflammables.
Le présent document ne s'applique pas à certains fluides tels que les fluides HFAE et HFAS.

Naftni in sorodni proizvodi - Določevanje trajanja gorenja stenja v ognjeodporni tekočini (ISO 14935:2020)

General Information

Status
Published
Public Enquiry End Date
29-May-2019
Publication Date
26-May-2020
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
12-May-2020
Due Date
17-Jul-2020
Completion Date
27-May-2020

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SLOVENSKI STANDARD
SIST EN ISO 14935:2020
01-julij-2020
Nadomešča:
SIST EN ISO 14935:1999
Naftni in sorodni proizvodi - Določevanje trajanja gorenja stenja v ognjeodporni
tekočini (ISO 14935:2020)
Petroleum and related products - Determination of wick flame persistence of fire-
resistant fluids (ISO 14935:2020)
Mineralölerzeugnisse und verwandte Produkte - Bestimmung der Nachbrennzeit schwer
entflammbarer Flüssigkeiten an einem Docht (ISO 14935:2020)
Pétrole et produits connexes - Détermination de la persistance d'une flamme sur une
mèche trempée dans un fluide difficilement inflammable (ISO 14935:2020)
Ta slovenski standard je istoveten z: EN ISO 14935:2020
ICS:
75.080 Naftni proizvodi na splošno Petroleum products in
general
SIST EN ISO 14935:2020 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN ISO 14935:2020

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SIST EN ISO 14935:2020


EN ISO 14935
EUROPEAN STANDARD

NORME EUROPÉENNE

April 2020
EUROPÄISCHE NORM
ICS 75.080 Supersedes EN ISO 14935:1998
English Version

Petroleum and related products - Determination of wick
flame persistence of fire-resistant fluids (ISO 14935:2020)
Pétrole et produits connexes - Détermination de la Mineralölerzeugnisse und verwandte Produkte -
persistance d'une flamme sur une mèche trempée dans Bestimmung der Nachbrennzeit schwer entflammbarer
un fluide difficilement inflammable (ISO 14935:2020) Flüssigkeiten an einem Docht (ISO 14935:2020)
This European Standard was approved by CEN on 13 March 2020.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a 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 European Standard 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, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, 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: Rue de la Science 23, B-1040 Brussels
© 2020 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 14935:2020 E
worldwide for CEN national Members.

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SIST EN ISO 14935:2020
EN ISO 14935:2020 (E)
Contents Page
European foreword . 3

2

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SIST EN ISO 14935:2020
EN ISO 14935:2020 (E)
European foreword
This document (EN ISO 14935:2020) has been prepared by Technical Committee ISO/TC 28 "Petroleum
and related products, fuels and lubricants from natural or synthetic sources" in collaboration with
Technical Committee CEN/TC 19 “Gaseous and liquid fuels, lubricants and related products of
petroleum, synthetic and biological origin.” the secretariat of which is held by NEN.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by October 2020, and conflicting national standards shall
be withdrawn at the latest by October 2020.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN ISO 14935:1998.
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, France, Germany, Greece, Hungary, Iceland,
Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of
North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the
United Kingdom.
Endorsement notice
The text of ISO 14935:2020 has been approved by CEN as EN ISO 14935:2020 without any modification.


3

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SIST EN ISO 14935:2020

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SIST EN ISO 14935:2020
INTERNATIONAL ISO
STANDARD 14935
Second edition
2020-04
Petroleum and related products —
Determination of wick flame
persistence of fire-resistant fluids
Pétrole et produits connexes — Détermination de la persistance
d'une flamme sur une mèche trempée dans un fluide difficilement
inflammable
Reference number
ISO 14935:2020(E)
©
ISO 2020

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SIST EN ISO 14935:2020
ISO 14935:2020(E)

COPYRIGHT PROTECTED DOCUMENT
© ISO 2020
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting
on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address
below or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Fax: +41 22 749 09 47
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2020 – All rights reserved

---------------------- Page: 8 ----------------------
SIST EN ISO 14935:2020
ISO 14935:2020(E)

Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Principle . 1
5 Reagents and materials . 2
6 Apparatus . 2
7 Samples and sampling . 5
8 Preparation of apparatus . 5
9 Procedure. 5
10 Calculation . 6
11 Expression of results . 6
12 Precision . 6
13 Test report . 7
Bibliography . 8
© ISO 2020 – All rights reserved iii

---------------------- Page: 9 ----------------------
SIST EN ISO 14935:2020
ISO 14935:2020(E)

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).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of
any patent rights identified during the development of the document will be in the Introduction and/or
on the ISO list of patent declarations received (see www .iso .org/ patents).
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and
expressions related to conformity assessment, as well as information about ISO's adherence to the
World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT), see www .iso .org/
iso/ foreword .html.
This document was prepared by Technical Committee ISO/TC 28, Petroleum and related products, fuels
and lubricants from natural or synthetic sources, in collaboration with the European Committee for
Standardization (CEN) Technical Committee CEN/TC 19, Gaseous and liquid fuels, lubricants and related
products of petroleum, synthetic and biological origin, in accordance with the Agreement on technical
cooperation between ISO and CEN (Vienna Agreement).
This second edition cancels and replaces the first edition (ISO 14935:1998), which has been technically
revised. The main changes compared to the previous edition are as follows:
— material data of the reservoir have been changed;
— some designations have been changed;
— drawings have been revised;
— tolerances in ignition and dropping times and nozzle dimensions have been tightened for better
accuracy.
Any feedback or questions on this document should be directed to the user’s national standards body. A
complete listing of these bodies can be found at www .iso .org/ members .html.
iv © ISO 2020 – All rights reserved

---------------------- Page: 10 ----------------------
SIST EN ISO 14935:2020
ISO 14935:2020(E)

Introduction
This document was originally developed by CEN under a mandate from the European Commission.
The t
...

SLOVENSKI STANDARD
oSIST prEN ISO 14935:2019
01-maj-2019
1DIWQLLQVRURGQLSURL]YRGL'RORþHYDQMHWUDMDQMDJRUHQMDVWHQMDYRJQMHRGSRUQL
WHNRþLQL ,62',6
Petroleum and related products - Determination of wick flame persistence of fire-resistant
fluids (ISO/DIS 14935:2019)
Mineralölerzeugnisse und verwandte Produkte - Bestimmung der Nachbrennzeit schwer
entflammbarer Flüssigkeiten an einem Docht (ISO/DIS 14935:2019)
Pétrole et produits connexes - Détermination de la persistance d'une flamme sur une
mèche trempée dans un fluide difficilement inflammable (ISO/DIS 14935:2019)
Ta slovenski standard je istoveten z: prEN ISO 14935
ICS:
75.080 Naftni proizvodi na splošno Petroleum products in
general
oSIST prEN ISO 14935:2019 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------
oSIST prEN ISO 14935:2019

---------------------- Page: 2 ----------------------
oSIST prEN ISO 14935:2019
DRAFT INTERNATIONAL STANDARD
ISO/DIS 14935
ISO/TC 28 Secretariat: NEN
Voting begins on: Voting terminates on:
2019-03-07 2019-05-30
Petroleum and related products — Determination of wick
flame persistence of fire-resistant fluids
Pétrole et produits connexes — Détermination de la persistance d'une flamme sur une mèche trempée dans
un fluide difficilement inflammable
ICS: 75.080
THIS DOCUMENT IS A DRAFT CIRCULATED
This document is circulated as received from the committee secretariat.
FOR COMMENT AND APPROVAL. IT IS
THEREFORE SUBJECT TO CHANGE AND MAY
NOT BE REFERRED TO AS AN INTERNATIONAL
STANDARD UNTIL PUBLISHED AS SUCH.
IN ADDITION TO THEIR EVALUATION AS
ISO/CEN PARALLEL PROCESSING
BEING ACCEPTABLE FOR INDUSTRIAL,
TECHNOLOGICAL, COMMERCIAL AND
USER PURPOSES, DRAFT INTERNATIONAL
STANDARDS MAY ON OCCASION HAVE TO
BE CONSIDERED IN THE LIGHT OF THEIR
POTENTIAL TO BECOME STANDARDS TO
WHICH REFERENCE MAY BE MADE IN
Reference number
NATIONAL REGULATIONS.
ISO/DIS 14935:2019(E)
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. ISO 2019

---------------------- Page: 3 ----------------------
oSIST prEN ISO 14935:2019
ISO/DIS 14935:2019(E)

COPYRIGHT PROTECTED DOCUMENT
© ISO 2019
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting
on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address
below or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Fax: +41 22 749 09 47
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2019 – All rights reserved

---------------------- Page: 4 ----------------------
oSIST prEN ISO 14935:2019
ISO/DIS 14935:2019(E)

Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Principle . 1
5 Reagents and Materials . 2
6 Apparatus . 2
7 Samples and sampling . 5
8 Preparation of apparatus . 5
9 Procedure. 5
10 Calculation . 6
11 Expression of results . 6
12 Precision . 6
13 Test report . 7
Bibliography . 8
© ISO 2019 – All rights reserved iii

---------------------- Page: 5 ----------------------
oSIST prEN ISO 14935:2019
ISO/DIS 14935:2019(E)

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).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of
any patent rights identified during the development of the document will be in the Introduction and/or
on the ISO list of patent declarations received (see www .iso .org/patents).
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation on the voluntary nature of standards, the meaning of ISO specific terms and
expressions related to conformity assessment, as well as information about ISO's adherence to the
World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see the following
URL: www .iso .org/iso/foreword .html.
This document was prepared by Technical Committee ISO/TC 28, Petroleum products and related
products of synthetic or biological origin.
This second edition cancels and replaces the first edition (ISO 14935:1998), which has been technically
revised.
The main changes compared to the previous edition is to re-define the procedure at three points. A
detailed definition is required to get better repeatable and reproducible values. When the data of the
after flame time are to be measured with an accuracy of ± 0,1 s, failures caused by the adjustment are
now avoided by tolerance adjustments on the burner nozzle, the dropping time and the temperature of
the oil.
iv © ISO 2019 – All rights reserved

---------------------- Page: 6 ----------------------
oSIST prEN ISO 14935:2019
ISO/DIS 14935:2019(E)

Introduction
This document was originally developed by CEN under a Mandate from the European Commission.
This document determines flame persistence. This test does not ascertain the behaviour of a spray of
[2,3]
fire-resistant fluid, for which ISO 15029, Parts 1 or 2, are recommended.
© ISO 2019 – All rights reserved v

---------------------- Page: 7 ----------------------
oSIST prEN ISO 14935:2019

---------------------- Page: 8 ----------------------
oSIST prEN ISO 14935:2019
DRAFT INTERNATIONAL STANDARD ISO/DIS 14935:2019(E)
Petroleum and related products — Determination of wick
flame persistence of fire-resistant fluids
WARNING — The use of this document may involve hazardous materials, operations and
equipment. This document does not purport to address all of the safety problems associated
with its use. It is the responsibility of the user of this document to establish appropriate safety
and health practices and determine the applicability of regulatory limitations prior to use.
1 Scope
This document specifies a method for the assessment of the persistence of a flame applied to the edge of
a wick of non-flammable material immersed in fire-resistant fluid. The test relates to the bulk behaviour
of a fluid, which may provide pertinent information for safe transportation and storage.
This test does not determine the behaviour of a spray of fire-resistant fluid (see Introduction).
This document establishes one of two basic measures of fire-resistance, and may be called up in
[1]
regulations governing the use of fire resistant hydraulic fluids under ISO 12922 .
This document does not apply to certain water-containing fluids or emulsions that do not adhere to the
test board.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the
...

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