ISO INTERNATIONAL STANDARD 15494 Second edition 2015-10-01 Plastics piping systems for industrial applications Polybutene (PB), polyethylene (PE), polyethylene of raised temperature resistance (PE- RT), crosslinked polyethylene (PE-X), polypropylene (PP) Metric series for specifications for components and the system Systemes de canalisations enmatieresplastiques pour les applications industrielles - Polybutene (PB), polyethylene (PE), polyethylene de meilleure résistance a la température (PE-RT), polyéthylene réticule (PE-X),polypropylene (PP) Séries métriques pour les spécifications pour les composants et le systeme Reference number ISO 15494:2015(E) ISO International Organization for Standardization @ IS0 2015 rdization 5956617 IS0 15494:2015(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 0111 Fax+41227490947 copyright@iso.org www.iso.org Intenationai br PrganizationforStandardization I by IHS unde Not for Resale, 2015/11/30 07:13:56 etworking permitted without license from IHS IS0 15494:2015(E) Contents Page Foreword ..V Introduction. ...vi 1 Scope. 2 Normative references 3 Terms and definitions 3.1 Geometrical definitions ..4 3.2 Material definitions... 3.3 Definitions related to material characteristics ..6 3.4 Definitions related to service conditions 4 Symbols and abbreviated terms 4.1 Symbols 7 4.2 Abbreviated terms .8 5 Material .9 5.1 General. .9 5.2 Hydrostatic strength properties .9 5.3 Material characteristics .9 5.4 Reprocessable and recyclable material .9 5.5 Materials for components not made from PB, PE, PE-RT, PE-X, or PP. .9 5.5.1 General. .9 5.5.2 Metallic materials ..10 5.5.3 Sealing materials ..10 5.5.4 Other materials. ..10 6 General characteristics ..10 6.1 Appearance. ..10 6.2 Colour. .10 6.3 Influence of UV radiation ..10 7 Geometrical characteristics ..10 7.1 General. .10 7.2 Mean outside diameters, out-of-roundness (ovality), and tolerances ..11 7.3 Wall thicknesses and related tolerances ..11 7.4 Angles. ..11 7.5 Laying lengths .11 7.6 Threads. .11 7.7 Mechanical fittings .11 7.8 Joint dimensions of valves ..11 8 Mechanical characteristics .11 8.1 Resistance to internal pressure of components ..11 8.2 Calculation of the test pressure for components ..12 8.2.1 Pipes. .12 8.2.2 Fittings ..12 8.2.3 Valves. ..12 8.2.4 Resistance to rapid crack propagation, RCP ..12 9 Physical characteristics .12 10 Chemical characteristics. .13 10.1 Effects on the component material(s) ..13 10.2 Effects on the fluids.. ..13 11 Electrical characteristics. .13 12 Performance requirements ..13 12.1 General ..13 iii nsee=Zhejiang Institute of Standardization 5956617 vithoutlicense from IHS Not for Resale, 2015/11/30 07:13:56