ISO/TS TECHNICAL SPECIFICATION 11366 First edition 2011-03-15 Petroleum and related products Guidance for in-servicing of lubricating oils for steam, gas and combined-cycle turbines Petrole etproduits connexes-Lignes directrices pourle suivi en service des huileslubrifiantes pourturbines avapeur, a gaz eta cycle combine Reference number ISO/TS 11366:2011(E) Copyright International Organization for Standardizatior @ISO 2011 No reproductionornetworking permited without icense from IHS Not for Resale ISO/TS11366:2011(E) PDFdisclaimer This PDF file may contain embedded typefaces. In accordance with Adobe'slicensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In downloading this fle, parties accept therein the responsibility of not infringing Adobe's licensing policy. The ISO Central Secretariat accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF fle can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by ISO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. COPYRIGHTPROTECTEDDOCUMENT ISO2011 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-1211Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 [email protected] Web www.iso.org Published in Switzerland ISO 2011 -Al rights reserved No reproduction or networking permited without license from IHS Not for Resale ISO/TS11366:2011(E) Contents Page Foreword Introduction... .vi 1 Scope 2 Normative references. 3 Description of turbine oils .. 4 Factorsaffectingthe service life 4.1 General... 4.2 Oil system design.... 4.3 Conditions of the oil system at startup........... 4.4 Original oil quality ... 4.5 System operating temperature .. 4.6 Contamination rates and provisions for purification 4.7 Oil makeup rates ...... 5 Deteriorationof turbine oils inservice. 5.1 General 5.2 Viscosity.. 5.3 Oxidation stability 5.4 Solid particles 5.5 Sludge.. 5.6 Antirust properties 5.7 Water separability..... 5.8 Foaming and air-release characteristics.. 5.9 Total acid number.. 6 Recommended tests and interpretation....... 6.1 Appearance and odour. 6.2 6.3 Totalacidnumber 6.4 Sludge and deposits 6.5 Particle counting .... 6.6 6.7 Remaining oxidation stability 6.8 Water content.. 6.9 Rust prevention characteristics. 6.10 Water separability... .9 6.11 Foaming characteristics 6.12 Air-release value.. 6.13 Flash point . 10 1 Sampling 10 7.1 General.. 7.2 Sampling point.. 10 7.3 Sampling line .... .11 7.4 Containers..... 7.5 Samples marking.. 11 8 Examination of new oil... 8.1 General . 8.2 Sampling of new oil deliveries ..... 8.3 Examination of new oil deliveries. .13 8.4 Testing schedules.... ili Standardizationrightsreserved Noreproductionornetworkingpermitedwithout licensefromHS Not for Resale