ISO INTERNATIONAL STANDARD 10439-4 Firstedition 2015-02-15 Petroleum, petrochemical and natural gas industries - Axial and centrifugal compressors and expander- compressors - Part 4: Expander-compressors Industries du pétrole, de la pétrochimie et du gaz naturel - Compresseurs axiaux et centrifuges et compresseurs-détenteurs Partie 4:Compresseurs-détenteurs Reference number IS0 10439-4:2015(E) ISO International Organization for Standardization @ IS0 2015 Institute of Standardization 5956617 ed without license from IHS IS0 10439-4:2015(E) COPYRIGHTPROTECTEDDOCUMENT @ IS0 2015 All rights reserved. Unless otherwise specified, 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 Case postale 56 : CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyright@iso.org Web www.iso.org Published in Switzerland Prganizationfor Standardization networking permtted without license from IHS IS0 10439-4:2015(E) Contents Page Foreword ..V Introduction. ...vi 1 Scope. 2 Normative references 3 Terms, abbreviated terms, and definitions. 4 General ..1 4.1 Dimensions and units .1 4.2 Statutory requirements ..1 4.3 Unit responsibility. 2 4.4 Basic design .2 4.5 Materials. 2 4.6 Casings .2 4.6.1 Pressure-containing casings. 2 4.6.2 Casing repairs .3 4.6.3 Material inspection of pressure containing parts 3 4.6.4 Pressure casing connections. 3 4.6.5 Casing support structures... 3 4.6.6 External forces and moments. 3 4.6.7 Variable nozzles and heat shields .3 4.7 Rotating elements. 4 4.7.1 General. .4 4.7.2 Shaft sleeve 4 4.7.3 Shafts. ..4 4.7.4 Impellers. .5 4.8 Dynamics .5 4.8.1 Vibration balancing .5 4.9 Bearings and bearing housings .6 4.9.1 General. 4.9.2 Hydrodynamic radial bearings 7 4.9.3 Hydrodynamic thrust bearings 4.9.4 Bearing housings 7 4.10 Expander-compressor shaft seals ..8 4.11 Integral gearing .8 4.12 Nameplates and rotation arrows .8 5 Accessories ..8 5.1 Drivers .8 5.2 Couplings and guards. .9 5.3 Lubrication and sealing systems .9 5.4 Mounting plates. .9 5.5 Controls and instrumentation .9 5.5.1 Vibration and position monitoring .9 5.5.2 Hydrodynamic bearings 5.5.3 Magnetic bearings .9 5.5.4 Overspeed shutdown system .10 5.5.5 Permanent strainer... ..11 5.6 Piping and appurtenances ..11 5.7 Special tools .12 6 Inspection, testing, and preparation for shipment ..12 6.1 General ..12 6.2 Inspection .12 iii see=Zhejiang Institute of Standardization 5956617 ed withoutlicensefrom IHS Not for Resale, 2015/6/2 06:29:37