EN IS0 14456 EUROPEAN STANDARD NORME EUROPEENNE EUROPAISCHE NORM May 2024 ICS 23.020.35 Supersedes EN IS0 14456:2016, EN IS0 14456:2016/A1:2019 English Version Gas cylinders - Gas properties and associated classification (FTSC) codes (IS0 14456:2024) Gasflaschen - Eigenschaften von Gasen und zugehorige Bouteillesa gaz-Propriétées desgaz et codes de classification associés (FTSC) (IS0 14456:2024) Klassifizierungscodes (FTSC) (IS0 14456:2024) This European Standard was approved by CEN on 19 April 2024 CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status ofanational standard without anyalteration.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 Centrehasthesamestatus astheofficialversions. CENmembers arethe national standards bodies ofAustria, Belgium, Bulgaria,Croatia, Cyprus, CzechRepublic, 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, Tiurkiyeand United Kingdom. cen EUROPEAN COMMITTEE FOR STANDARDIZATION COMITEEUROPEENDENORMALISATION EUROPAISCHES KOMITEE FUR NORMUNG CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels @2024CEN Ref. No. EN IS0 14456:2024 E All rightsofexploitationinanyformandbyanymeansreserved worldwide for CEN national Members. EN IS0 14456:2024 (E) Contents Page European foreword.. 2 ENIS0 14456:2024 (E) European foreword This document (EN IS0 14456:2024) has been prepared by Technical Committee IS0/TC 58 "Gas cylinders" in collaboration with Technical Committee CEN/TC 23 "Transportable gas cylinders" the secretariat of which is held by BSI. 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of an identical text or by endorsement, at the latest by November 2024, and conflicting national standards shall be withdrawn at the latest by November 2024. 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. This document supersedes EN IS0 14456:2016. 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, 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 the United Kingdom. Endorsement notice 3