ISO INTERNATIONAL STANDARD 17292 Second edition 2015-11-15 Metal ball valves for petroleum, petrochemical and allied industries Robinets a tournant sphérique métalliques pour les industries du pétrole, de lapetrochimieetles industries connexes Reference number ISO 17292:2015(E) ISO @ISO2015 py IHS under itted without license from IHS IS0 17292:2015(E) COPYRIGHTPROTECTEDDOCUMENT IS02015,PublishedinSwitzerland 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 Ch. de Blandonnet 8 . CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +4122 749 09 47 [email protected] www.iso.org @ IS0 2015 - All rights reserved by IHS und Noreprodut etworking permitted without license from IHS IS0 17292:2015(E) Contents Page Foreword ..V Introduction. ..vii 1 Scope. 2 Normative references 3 Terms and definitions 4 Pressure/temperature ratings 4.1 Valve rating. .4 4.2 Shell rating. ..4 4.3 Seat and seal rating .4 5 Design .5 5.1 Flow passageway .5 5.2 Body ..5 5.2.1 Body wall thickness .5 5.2.2 Flanged ends .7 5.2.3 Butt-welding ends. .7 5.2.4 Socket welding ends .8 5.2.5 Threaded ends .10 5.2.6 Body openings .10 5.2.7 Anti-static design. .11 5.2.8 Anti-blow-out stem.. ..1 5.2.9 Ball-stem construction ..11 5.2.10 Ball construction. 11 5.2.11 Operating means. .11 5.2.12 Glands .12 5.2.13 End flange facing interruptions ..12 5.2.14 Shell joints ..13 5.2.15 Packing gland bolting. .14 5.2.16 Fluid thermal expansion .14 6 Materials. .15 6.1 Shell .15 6.2 Shell material repair. .15 6.3 Trim 15 6.4 Identification plate .15 6.5 Bolting. 15 6.6 Seals. 15 6.7 Threaded plugs. 15 6.8 Low temperature service .15 6.9 Hydrogen sulfide environment .15 7 Marking. .16 7.1 Legibility.. ..16 7.2 Body marking .16 7.3 Ring joint marking .16 7.4 Identification plate .16 7.5 Special marking for unidirectional valves ..17 8 Testing and inspection .17 8.1 Pressure tests. ..17 8.1.1 General ..17 8.1.2 Shell test .17 8.1.3 Closure tightness test. .18 8.2 Inspection .19 8.2.1 Extent of inspection. .19 Ccopyrihtntematonal oS0i raAl rights reserved iii ithout license from IHS