BS ISO. BRITISH STANDARD 14531-1:2002 Licensed copy:Lee ShauKee Library,HKUST,Version correct as of 03/01/2015,(c)The British Standards Institution 2013 Plastics pipes and fittings - Crosslinked polyethylene (PE-X) pipe systems for the conveyance of gaseous fuels Metric series - Specifications 一 Part 1: Pipes ICS 75.200; 83.140.30 BSi BritishStandards BSISO14531-1:2002 National foreword This British Standard reproduces verbatim ISO 14531-1:2002 and implements it as the UK national standard. The UKparticipation in itspreparationwas entrustedbyTechnical Committee PRI/88, Plastics piping systems, to Subcommittee PRI/88/2/Panel 6, Pressure piping-gas, which has the responsibility to: aid enquirers to understand the text; presentto the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them inthe UK. A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-references The British Standards which implement international publications referred to in this document may be found in the BSI Catalogue under the section entitled "International Standards CorrespondenceIndex",or by using the“Search" facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract.Usersareresponsibleforitscorrectapplication. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summaryof pages This document comprises a front cover, an inside front cover, the IsO title page, pages ii to v,a blank page,pages 1to25and aback cover. The BSI copyright date displayed in this document indicates when the document was last issued. This British Standard was Amendments issued since publication S published under the authority of the Standards Policy and Date Amd. No. Comments Strategy Committee on 25 April 2003 copy @BSI 25April 2003 License ISBN0580416410 BSISO14531-1:2002 ISO INTERNATIONAL STANDARD 14531-1 First edition 2002-12-15 Plastics pipes and fittings Crosslinked polyethylene (PE-X) pipe systems for the conveyance of gaseous fuels Metric series Specifications - Part 1: Pipes Tubes et raccords enmatieres plastiques-Systemes de tubes en polyethylenereticule(PE-X)pourletransportdecombustiblesgazeux Sériemétrique-Spécifications Partie1:Tubes Reference number ISO 14531-1:2002(E) ISO BSISO14531-1:2002 BSISO14531-1:2002 Contents Page 1 Scope 2 Normative references Terms and definitions 3 4 Materials 5 5 Pipes 8 Marking 6 14 Annexes A Dimensions of ancillary PE-X pipes. 15 17 B Resistance togas constituents 18 C Resistanceto weathering Squeeze-off test method... 20 E Pipe design schedule incorporating information regarding operating temperature limits and a pipe wall thickness selection method. 23 Bibliography.. 25 ili