BS IS0 15500-3:2020 BSl Standards Publication Road vehicles Compressed natural gas (CNG) fuel system components Part 3: Check valve bsi. BSIS015500-3:2020 BRITISH STANDARD Nationalforeword This British Standard is the UK implementation of IS015500-3:2020.It supersedes BSIS015500-3:2012+A1:2016,which iswithdrawn. TheUKparticipationinits preparation was entrustedtoTechnical CommitteeGSE/40,Gassupplyequipmentfornaturalgasvehicles. A listoforganizationsrepresented onthis committee can be obtained on requestto itscommitteemanager. This publication does not purportto include all the necessary provisions ofa contract.Users areresponsiblefor its correctapplication. @TheBritishStandards Institution2020 PublishedbyBSI Standards Limited2020 ISBN9780539012095 ICS43.060.40 Compliance with aBritish Standard cannot conferimmunityfrom legal obligations. This British Standard was published under the authority of the Amendments/corrigendaissued sincepublication Date Text affected BS ISO 15500-3:2020 INTERNATIONAL ISO STANDARD 15500-3 Third edition 2020-08 Road vehicles Compressed natural gas (CNG) fuel system components - Part 3: Check valve vehicules routiers - Composants des systemes de combustible gaz naturel comprime (GNC) Partie3:Valvedecontrole Reference number IS0 15500-3:2020(E) ISO @IS02020