BS ISO 12152:2012 BS 2000-604:2012 BSI Standards Publication Lubricants, industrial oils and related products - Determination of the foaming and air release properties of industrial gear oils using a spur gear test rig Flender foam test procedure BSi raising standards worldwide" BSISO12152:2012 BRITISH STANDARD National foreword This British Standard is the UK implementation of ISo12152:2012 (squg eul (o) The Uk participation in its preparation was entrusted to Technical Committee PTI/13, Petroleum Testing and Terminology. 1/2015, A list of organizations represented on this committee canbe obtained on request to its secretary. Energy Institute, under the brand of IP, publishes and sells all Parts of BS 2000, and all BS EN petroleum test methods that would be Part of BS 2000, both in its annual publication "Standard methods for analysis and testing of petroleum and related products and British Standard 2000 Parts" and individually. Further information is available from: Energy Institute, 61 New Cavendish Street, London W1G 7AR. Tel: 020 7467 7100. Fax: 020 7255 1472. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Shu The British Standards Institution 2012.Published by BSI Standards Limited 2012 ISBN9780580682988 ICS 75.100 Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard was published under the authority of the Amendments issued since publication Date Text affected ML O/COJOSU) 901 BS ISO 12152:2012 INTERNATIONAL ISO STANDARD 12152 First edition 2012-08-15 Lubricants,industrial oils and related products Determination of the foaming and air release properties of industrial gear oils using a spur gear test rig - Flender foam test procedure Lubrifiants,huiles industriellesetproduits connexesDetermination des caracteristiques de moussage et de desaeration des huiles pour cylindriqueMode opératoire deI'essai de moussageFlender Referencenumber ISO 12152:2012(E) ISO @ISO 2012 BS ISO12152:2012 ISO 12152:2012(E) LL (0) COPYRIGHTPROTECTEDDOCUMENT ISO 2012 All 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 photocopying and microfilm, without permission in writing from either ISO at the address below or ISO's member body in the country of the requester. ISO copyright office Case postale 56 · CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland i= @ISO 2012-All rights reserved BS ISO 12152:2012 ISO12152:2012(E Foreword IsO (the International Organization for Standardization)is a worldwide federation of national standards bodies 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 Electrotechnical Commission (IEC) onall matters of electrotechnical standardization. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the 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 identifying any or all such patent rights. ISO12152waspreparedbyTechnicalCommitteeISO/TC28,Petroleumproductsandlubricants. @IsO 2012-All rights reserved ili BS ISO 12152:2012. ISO12152:2012(E) Introduction Excessive formation of foam by a lubricant in service may affect the gearbox service negatively.The reason for foaming might be poor antifoaming and air release properties of the lubricant and/or contamination of the lubricant in ser