EN IS0 23936-4 EUROPEAN STANDARD NORME EUROPEENNE EUROPAISCHE NORM September 2024 ICS 75.180.01 English Version Oil and gas industries including lower carbon energy Non-metallic materials in contact with media related to oil and gas production - Part 4: Fiber-reinforced composite (IS0 23936-4:2024) Industries du pétrole et du gaz y compris les énergies a Ol- und Gasindustrie einschlieflich kohlenstoffarmer faible teneur en carbone-Matériaux non métalliques Energietrager - Nichtmetallische Werkstoffe mit en contact avec les fluides relatifs a la production de Medienkontakt bei der Ol- und Gasproduktion - Teil 4: pétrole et de gaz - Partie 4: Composites renforcés de Verbundwerkstoffe(IS023936-4:2024) fibres (IS0 23936-4:2024) This European Standard was approved by CEN on 8 September 2024. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by Centrehasthesamestatusastheofficialversions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkiye and United Kingdom. cer EUROPEAN COMMITTEEFOR STANDARDIZATION COMITEEUROPEENDENORMALISATION EUROPAISCHESKOMITEEFURNORMUNG CEN-CENELECManagementCentre:RuedelaScience23,B-1040Brussels 2024CEN Ref. No. EN ISO 23936-4:2024 E All rightsofexploitationinanyformandbyanymeans reserved worldwidefor CENnational Members. EN IS0 23936-4:2024 (E) Contents Page 2 EN IS0 23936-4:2024 (E) European foreword This document (EN IS0 23936-4:2024) has been prepared by Technical Committee IS0/TC 67 "Oil and gas industries including lower carbon energy" in collaboration with Technical Committee CEN/TC 12 "Oil and gas industries including lower carbon energy" the secretariat of which is held by NEN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by March 2025, and conflicting national standards shal be withdrawn at the latest by March 2025. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN shall not be held responsible for identifying any or all such patent rights. Any feedback and questions on this document should be directed to the users' national standards body/national committee. A complete listing of these bodies can be found on the CEN website. According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkiye and the United Kingdom. Endorsement notice The text of IS0 23936-4:2024 has been approved by CEN as EN IS0 23936-4:2024 without any modification. 3