1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS ISO 4548-6:2012Methods of test for full-flow lubricating oil filters forinternal combustion enginesPart 6: Static burst pressure testBS ISO 4548-6:2012 BRITISH STANDARDNationa
2、l forewordThis British Standard is the UK implementation of ISO 4548-6:2012. Itsupersedes BS7403-6:1991 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee MCE/21/5, Filters for lubricating oil.A list of organizations represented on this committee can beobt
3、ained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2012. Published by BSI StandardsLimited 2012ISBN 978 0 580 68597 2ICS 27.020Compliance with a
4、British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 October 2012.Amendments issued since publicationDate Text affectedBS ISO 4548-6:2012 ISO 2012Methods of test for full-flow lubrica
5、ting oil filters for internal combustion engines Part 6: Static burst pressure testMthodes dessai des filtres huile de lubrification passage intgral pour moteurs combustion interne Partie 6: Essai de pression dclatement statiqueINTERNATIONAL STANDARDISO4548-6Second edition2012-09-15Reference numberI
6、SO 4548-6:2012(E)BS ISO 4548-6:2012ISO 4548-6:2012(E)ii ISO 2012 All rights reservedCOPYRIGHT PROTECTED DOCUMENT ISO 2012All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photoco
7、pying and microfilm, without permission in writing from either ISO at the address below or ISOs member body in the country of the requester.ISO copyright officeCase postale 56 CH-1211 Geneva 20Tel. + 41 22 749 01 11Fax + 41 22 749 09 47E-mail copyrightiso.orgWeb www.iso.orgPublished in SwitzerlandBS
8、 ISO 4548-6:2012ISO 4548-6:2012(E) ISO 2012 All rights reserved iiiContents PageForeword ivIntroduction v1 Scope . 12 Normative references 13 Terms and definitions . 14 Test rig . 15 Test liquid 16 Preparation and test procedure . 17 Report of test results 2BS ISO 4548-6:2012ISO 4548-6:2012(E)Forewo
9、rdISO (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 technica
10、l 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 ele
11、ctrotechnical standardization.International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the
12、member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote.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 identi
13、fying any or all such patent rights.ISO 4548-6 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 4548-6:1985, including ISO 4548-6:1985/Cor 1:1990), which ha
14、s been technically revised.ISO 4548 consists of the following parts, under the general title Methods of test for full-flow lubricating oil filters for internal combustion engines: Part 1: Differential pressure/flow characteristics Part 2: Element by-pass valve characteristics Part 3: Resistance to h
15、igh differential pressure and to elevated temperature Part 4: Initial particle retention efficiency, life and cumulative efficiency (gravimetric method) Part 5: Method of test for cold start simulation and hydraulic pulse durability Part 6: Static burst pressure test Part 7: Vibration fatigue test P
16、art 9: Inlet and outlet anti-drain valve tests Part 11: Self-cleaning filters Part 12: Filtration efficiency using particle counting, and contaminant retention capacity Part 13: Static burst pressure test for composite pressure vessel materials Part 15: Vibration fatigue test with composite material
17、siv ISO 2012 All rights reservedBS ISO 4548-6:2012ISO 4548-6:2012(E)IntroductionThis International Standard establishes standard test procedures for measuring the performance of full-flow lubricating oil filters for internal combustion engines. It has been prepared in separate parts, each part relat
18、ing to a particular performance characteristic. ISO 2012 All rights reserved vBS ISO 4548-6:2012BS ISO 4548-6:2012Methods of test for full-flow lubricating oil filters for internal combustion engines Part 6: Static burst pressure test1 ScopeThis part of ISO 4548 specifies a method of testing full-fl
19、ow lubricating oil filters for internal combustion engines to determine their ability to withstand a static pressure objective and to determine their burst pressure and the failure mode concerned.It does not apply to filters for use in aeronautical applications or plastic components.2 Normative refe
20、rencesThe following referenced documents are indispensable for the application 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 4548-1, Methods of test for full-flow lu
21、bricating oil filters for internal combustion engines Part 1: Differential pressure/flow characteristics3 Terms and definitionsFor the purposes of this document, the terms and definitions given in ISO 4548-1 apply.4 Test rigHydraulic hand pump or other appropriate technology, with high-pressure tubi
22、ng and valves, pressure gauge with measuring range of 0 kPa to 3000 kPa or higher (see 6.6). A transparent safety shield shall be used.5 Test liquidISO Grade 22 oil with a 96 VI (or SAE 5 W oil) at ambient temperature shall be used.6 Preparation and test procedure6.1 Assemble the complete filter usi
23、ng the recommended tightening torque. If a tolerance is given, apply the minimum tightening torque.The filter to adaptor connection shall be equivalent to the production mounting conditions.6.2 Connect the pump to the inlet of the filter or adaptor, and the outlet of the filter or adaptor to an open
24、 valve. The outlet of the valve should be the highest point of the system.6.3 Introduce oil into the system by operating the pump until oil is seen to emerge from the outlet of the valve. This indicates that all the air has been excluded from the system.6.4 Close the valve and position the safety sh
25、ield between observer and filter.INTERNATIONAL STANDARD ISO 4548-6:2012(E) ISO 2012 All rights reserved 1BS ISO 4548-6:2012ISO 4548-6:2012(E)6.5 Raise the pressure gradually to 200 kPa, maintain for about 1 min, and check the filter and all fittings for leaks.NOTE If appropriate burst pressure is kn
26、own, the first pressure increment can be 50 % of the known value. This shortens the test time for high pressure filters without a loss in data quality.6.6 Now raise the pressure at a controlled pressure ramp up to approximately 345 kPa to 690 kPa per minute and maintain for approximately 15 s and ch
27、eck filter for leaks or distortion. Continue until a specified (see 7g)pressure objective is reached as determine by the customer, or otherwise failure occurs.6.7 Relieve the pressure to zero. Check the filter for permanent distortion and tightening torque.Take note of the remaining tightening torqu
28、e and if loosening has occurred, restore the initial value.6.8 Gradually apply pressure again until the previous pressure is reached, then proceed gradually in increments of approximately 345 kPa to 690 kPa and maintain for approximately 15 s until ultimate failure occurs.6.9 Examine the filter for
29、details of the failure mode.7 Report of test resultsThe test report shall indicate at least the following:a) a reference to this part of ISO 4548, i.e. ISO 4548-6;b) test establishment;c) filter type (manufacturer model No. and batch No.);d) date of test;e) a description of the filter, whether it is
30、 new or used (in the latter case, approximate period of service);f) the torque applied initially (see 6.1);g) the specified pressure objective as determined by the customer and whether reached (see 6.6);h) the remaining tightening torque (see 6.7);i) visible permanent distortion (see 6.7);j) the bur
31、st pressure (see 6.8);k) the mode of failure and its location.2 ISO 2012 All rights reservedBS ISO 4548-6:2012ISO 4548-6:2012(E)124356Figure 1 Static burst pressure test standKey1 Oil sump2 Pump3 Pressure sensor4 Filter under test5 Valve6 Pressure regulating valve ISO 2012 All rights reserved 3BS IS
32、O 4548-6:2012ISO 4548-6:2012(E) ISO 2012 All rights reservedICS 27.020Price based on 3 pagesThis page deliberately left blankBSI is the independent national body responsible for preparing British Standards and other standards-related publications, information and services. It presents the UK view on
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