ISO 4548-14:2023
(Main)Methods of test for full-flow lubricating oil filters for internal combustion engines — Part 14: Hydraulic pulse durability for composite filter housings
Methods of test for full-flow lubricating oil filters for internal combustion engines — Part 14: Hydraulic pulse durability for composite filter housings
This document specifies the hydraulic pulse durability test for composite filter housings. This method tests the ability of full-flow lubricating oil filters manufactured with composite pressure vessel materials for internal combustion engines to withstand an internal pressure surge and cyclic internal pressure variations experienced in the application at specified operating temperatures. These tests are intended for application to spin-on type filters and detachable filters with disposable elements constructed of composite or temperature-sensitive materials.
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INTERNATIONAL ISO
STANDARD 4548-14
Second edition
2023-03
Methods of test for full-flow
lubricating oil filters for internal
combustion engines —
Part 14:
Hydraulic pulse durability for
composite filter housings
Reference number
ISO 4548-14:2023(E)
© ISO 2023
---------------------- Page: 1 ----------------------
ISO 4548-14:2023(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2023
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
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii
© ISO 2023 – All rights reserved
---------------------- Page: 2 ----------------------
ISO 4548-14:2023(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms, definitions and graphical symbols . 1
3.1 Terms and definitions . 1
3.2 Graphical symbols . 1
4 Operational characteristics to be tested . 1
5 Test equipment .2
6 Test liquid . 2
7 Test temperature . 2
8 Accuracy . 2
9 Hydraulic pulse durability test . .2
10 Test report . 5
Annex A (informative) Values to be used for tests if no agreement is reached with
the manufacturer . 6
Bibliography . 7
iii
© ISO 2023 – All rights reserved
---------------------- Page: 3 ----------------------
ISO 4548-14:2023(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 70, Internal combustion engines,
Subcommittee SC 7, Tests for lubricating oil filters.
This second edition cancels and replaces the first edition (ISO 4548-14:2016), which has been technically
revised.
The main changes are as follows:
— the title of this document has been updated, removing "cold start simulation";
— the test system schematic has been added;
— the test system setup has been defined in more detail;
— the statistical evaluation in testing with multiple samples has been added.
A list of all parts in the ISO 4548 series can be found on the ISO website.
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 2023 – All rights reserved
---------------------- Page: 4 ----------------------
ISO 4548-14:2023(E)
Introduction
This document establishes standard test procedures for measuring the performance of full-flow
lubricating oil filter modules made of composite or temperature-sensitive materials for internal
combustion engines. The ISO 4548 series has been prepared in separate parts, each part relating to a
particular performance characteristic.
Together the tests provide the information necessary to assess the characteristics of a filter but, if
agreed between the purchaser and the manufacturer, the tests can be conducted separately.
v
© ISO 2023 – All rights reserved
---------------------- Page: 5 ----------------------
INTERNATIONAL STANDARD ISO 4548-14:2023(E)
Methods of test for full-flow lubricating oil filters for
internal combustion engines —
Part 14:
Hydraulic pulse durability for composite filter housings
1 Scope
This document specifies the hydraulic pulse durability test for composite filter housings. This method
tests the ability of full-flow lubricating oil filters manufactured with composite pressure vessel
materials for internal combustion engines to withstand an internal pressure surge and cyclic internal
pressure variations experienced in the application at specified operating temperatures.
These tests are intended for application to spin-on type filters and detachable filters with disposable
elements constructed of composite or temperature-sensitive materials.
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 edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments) applies.
ISO 1219-1, Fluid power systems and components — Graphical symbols and circuit diagrams — Part 1:
Graphical symbols for conventional use and data-processing applications
ISO 4548-1, Methods of test for full-flow lubricating oil filters for internal combustion engines — Part 1:
Differential pressure/flow characteristics
3 Terms, definitions and graphical symbols
3.1 Terms and definitions
For the purposes of this document,
...
DRAFT INTERNATIONAL STANDARD
ISO/DIS 4548-14
ISO/TC 70/SC 7 Secretariat: BSI
Voting begins on: Voting terminates on:
2022-04-28 2022-07-21
Methods of test for full-flow lubricating oil filters for
internal combustion engines —
Part 14:
Cold start simulation and hydraulic pulse durability for
composite filter housings
Méthodes d'essai des filtres à huile de lubrification à passage intégral pour moteurs à combustion
interne —
Partie 14: Essais de simulation de démarrage à froid et de résistance aux impulsions hydrauliques pour les
corps de filtre pressurisés à base de matériaux composites
ICS: 27.020
THIS DOCUMENT IS A DRAFT CIRCULATED
FOR COMMENT AND APPROVAL. IT IS
THEREFORE SUBJECT TO CHANGE AND MAY
This document is circulated as received from the committee secretariat.
NOT BE REFERRED TO AS AN INTERNATIONAL
STANDARD UNTIL PUBLISHED AS SUCH.
IN ADDITION TO THEIR EVALUATION AS
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 4548-14:2022(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 2022
---------------------- Page: 1 ----------------------
ISO/DIS 4548-14:2022(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2022
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
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii
© ISO 2022 – All rights reserved
---------------------- Page: 2 ----------------------
ISO/DIS 4548-14:2022(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms, definitions, and graphical symbols . 1
3.1 Terms and definitions . 1
3.2 Graphical symbols . 1
4 Operational characteristics to be tested . 1
5 Test equipment .2
6 Test liquid . 2
7 Test temperature . 2
8 Accuracy . 2
9 Hydraulic pulse durability test . .2
10 Test report . 5
Annex A (normative) Values to be used for tests if no agreement is reached with
the manufacturer . 6
Bibliography . 7
iii
© ISO 2022 – All rights reserved
---------------------- Page: 3 ----------------------
ISO/DIS 4548-14:2022(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 meaning of ISO specific terms and expressions related to conformity
assessment, as well as information about ISO's adherence to the WTO principles in the Technical
Barriers to Trade (TBT) see the following URL: Foreword - Supplementary information
The committee responsible for this document is ISO/TC 70, Internal combustion engines, Subcommittee
SC 7, Tests for lubricating oil filters.
This second edition cancels and replaces the first edition (ISO 4548-14:2016), which has been technically
revised.
The main changes compared to the previous edition are as follows:
The test system schematic has been revised to include updated instrumentation.
— The cold start simulation test and hydraulic pulse durability procedures have been combined into
Clause 9.
— The names of the tests have been revised to the “extreme” and “normal” pressure surge tests.
— The test system setup has been defined in more detail.
A list of all parts in the ISO 4548 series can be found on the ISO website.
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 2022 – All rights reserved
---------------------- Page: 4 ----------------------
ISO/DIS 4548-14:2022(E)
Introduction
This document establishes standard test procedures for measuring the performance of full-flow
lubricating oil filter modules made of composite or temperature sensitive materials for internal
combustion engines. The series has been prepared in separate parts, each part relating to a particular
performance characteristic.
Together the tests provide the information necessary to assess the characteristics of a filter, but if
agreed between the purchaser and the manufacturer, the tests can be conducted separately.
v
© ISO 2022 – All rights reserved
---------------------- Page: 5 ----------------------
DRAFT INTERNATIONAL STANDARD ISO/DIS 4548-14:2022(E)
Methods of test for full-flow lubricating oil filters for
internal combustion engines —
Part 14:
Cold start simulation and hydraulic pulse durability for
composite filter housings
1 Scope
This document specifies a method of testing the ability of full-flow lubricating oil filters manufactured
with composite pressure vessel materials for internal combustion engines to withstand an internal
pressure surge and cyclic internal pressure variations experienced in the application at specified
operating temperatures.
These tests are intended for application to spin-on type filters and detachable filters with di
...
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