ISO INTERNATIONAL STANDARD 4261 Second edition 2013-09-01 Petroleum products Fuels (class F) Specifications of gas turbine fuels for industrial and marine applications Produits pétroliers Combustibles (classe F) - Specifications des combustibles pour turbines a gaz en service dans I'industrie et la marine Reference number ISO 4261:2013(E) LSO @ IS0 2013 ted without license from IHS Not for Resale IS0 4261:2013(E) COPYRIGHTPROTECTEDDOCUMENT @ISO2013 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form written permission. Permission can be requested from either ISO at the address below or ISO's member body in the country of the requester. ISOcopyright office Case postale 56:CH-1211 Geneva 20 Tel:+ 41 22 749 01 11 Fax +4122 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland @ IS0 2013 - All rights reserved No reproductic Not for Resale IS0 4261:2013(E) Contents Page Foreword ..iv 1 Scope .1 2 Normative references 3 General requirements. 4 Detailed requirements 5 Sampling. ..2 6 Precision and interpretation of test results ..2 Annex A (normative) Method of calculation of specific energy Annex B (informative) Trace metal limits of fuel entering turbine combustion chambers .7 Annex C (informative) Significance of specifications for gas turbine fuels ..10 Bibliography ..17 Copyrihtnteatinal Organiasn o? Sadizah rights reserved iii IHS under se with IS thout license from IHS Not for Resale