{"id":94809,"date":"2026-09-15T16:11:08","date_gmt":"2026-09-15T14:11:08","guid":{"rendered":"https:\/\/unm.fr\/?p=94809"},"modified":"2026-09-15T16:11:11","modified_gmt":"2026-09-15T14:11:11","slug":"nf-en-18191-nouvelle-norme-europeenne-dediee-aux-exigences-applicables-aux-appareils-de-robinetterie-metalliques-utilises-en-service-hydrogene","status":"publish","type":"post","link":"https:\/\/unm.fr\/en\/focus-norme\/nf-en-18191-nouvelle-norme-europeenne-dediee-aux-exigences-applicables-aux-appareils-de-robinetterie-metalliques-utilises-en-service-hydrogene\/","title":{"rendered":"NF EN 18191 \u2013 nouvelle norme europ\u00e9enne d\u00e9di\u00e9e aux exigences applicables aux appareils de robinetterie m\u00e9talliques utilis\u00e9s en service hydrog\u00e8ne"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"94809\" class=\"elementor elementor-94809\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7274e8a7 e-flex e-con-boxed e-con e-parent\" data-id=\"7274e8a7\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3f06c409 elementor-widget elementor-widget-text-editor\" data-id=\"3f06c409\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\n<p><\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5f618e8 e-flex e-con-boxed e-con e-parent\" data-id=\"5f618e8\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-94b0ff2 elementor-widget elementor-widget-text-editor\" data-id=\"94b0ff2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>L&#8217;utilisation de l&#8217;hydrog\u00e8ne impose des exigences nouvelles en mati\u00e8re de s\u00e9curit\u00e9, de fiabilit\u00e9 et de performance des \u00e9quipements sous pression. Parmi eux, les appareils de robinetterie industrielle m\u00e9talliques jouent un r\u00f4le central : ils assurent le contr\u00f4le, l\u2019isolement et la r\u00e9gulation des flux d\u2019hydrog\u00e8ne dans les installations de production, de traitement, de stockage, de transport, de distribution et d\u2019utilisation.<\/p>\n<p>Pour r\u00e9pondre \u00e0 ces enjeux, une nouvelle norme europ\u00e9enne vient d&#8217;\u00eatre publi\u00e9e: la norme NF EN 18191, d\u00e9di\u00e9e aux exigences suppl\u00e9mentaires applicables aux appareils de robinetterie m\u00e9talliques lorsqu\u2019ils sont utilis\u00e9s en service hydrog\u00e8ne.<\/p>\n<p>\u00c9labor\u00e9e par le CEN\/TC 69, la norme NF EN 18191 compl\u00e8te les normes europ\u00e9ennes existantes en int\u00e9grant les sp\u00e9cificit\u00e9s du service hydrog\u00e8ne, un environnement particuli\u00e8rement exigeant pour les mat\u00e9riaux et les conceptions m\u00e9caniques.<\/p>\n<p>La norme NF EN 18191 concerne exclusivement les appareils de robinetterie m\u00e9talliques destin\u00e9s \u00e0 l\u2019hydrog\u00e8ne, qu\u2019il soit gazeux ou liquide. Elle couvre l\u2019ensemble du cycle de vie de l\u2019\u00e9quipement :<\/p>\n<ul>\n<li>la s\u00e9lection des mat\u00e9riaux,<\/li>\n<li>la conception,<\/li>\n<li>la fabrication et<\/li>\n<li>l&#8217;\u00e9valuation finale.<\/li>\n<\/ul>\n<p>\u00a0<\/p>\n<p>Elle exclut volontairement les ph\u00e9nom\u00e8nes de corrosion \u00e9lectrochimique, d\u00e9j\u00e0 trait\u00e9s dans d\u2019autres normes, afin de se concentrer sur les m\u00e9canismes d\u2019endommagement propres \u00e0 l\u2019hydrog\u00e8ne. La norme identifie quatre familles de ph\u00e9nom\u00e8nes pouvant agir isol\u00e9ment ou simultan\u00e9ment :<\/p>\n<ul>\n<li>les basses temp\u00e9ratures,<\/li>\n<li>la fragilisation par l\u2019hydrog\u00e8ne,<\/li>\n<li>l&#8217;attaque \u00e0 haute temp\u00e9rature,<\/li>\n<li>les charges cycliques (fatigue).<\/li>\n<\/ul>\n<p>\u00a0<\/p>\n<p>La norme d\u00e9taille les comportements des principaux mat\u00e9riaux m\u00e9talliques et non m\u00e9talliques face \u00e0 ces ph\u00e9nom\u00e8nes. Elle fournit \u00e9galement des recommandations pour les mat\u00e9riaux non m\u00e9talliques utilis\u00e9s dans les dispositifs d\u2019\u00e9tanch\u00e9it\u00e9.<\/p>\n<p>En consolidant les exigences relatives \u00e0 des solutions \u00e9prouv\u00e9es et en clarifiant les sp\u00e9cificit\u00e9s du service hydrog\u00e8ne, la NF EN 18191 constitue un outil suppl\u00e9mentaire pour les fabricants et les exploitants. Elle contribue \u00e0 s\u00e9curiser les infrastructures hydrog\u00e8ne, \u00e0 harmoniser les pratiques industrielles et \u00e0 soutenir le d\u00e9veloppement d\u2019une fili\u00e8re strat\u00e9gique pour l\u2019Europe.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>L&#8217;utilisation de l&#8217;hydrog\u00e8ne impose des exigences nouvelles en mati\u00e8re de s\u00e9curit\u00e9, de fiabilit\u00e9 et de performance des \u00e9quipements sous pression. Parmi eux, les appareils de robinetterie industrielle m\u00e9talliques jouent un r\u00f4le central.<\/p>\n","protected":false},"author":8,"featured_media":94793,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"date-de-webinaire":0,"heure-webinaire":"","duree-webinaire":"","lien-bouton-cta":"","footnotes":""},"categories":[38],"tags":[],"normes-associees":[3728],"thematique":[85,3435],"class_list":["post-94809","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-focus-norme","normes-associees-en-18191","thematique-energetique-et-fluidique","thematique-hydrogene"],"_links":{"self":[{"href":"https:\/\/unm.fr\/en\/wp-json\/wp\/v2\/posts\/94809","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/unm.fr\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/unm.fr\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/unm.fr\/en\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/unm.fr\/en\/wp-json\/wp\/v2\/comments?post=94809"}],"version-history":[{"count":5,"href":"https:\/\/unm.fr\/en\/wp-json\/wp\/v2\/posts\/94809\/revisions"}],"predecessor-version":[{"id":94814,"href":"https:\/\/unm.fr\/en\/wp-json\/wp\/v2\/posts\/94809\/revisions\/94814"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/unm.fr\/en\/wp-json\/wp\/v2\/media\/94793"}],"wp:attachment":[{"href":"https:\/\/unm.fr\/en\/wp-json\/wp\/v2\/media?parent=94809"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/unm.fr\/en\/wp-json\/wp\/v2\/categories?post=94809"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/unm.fr\/en\/wp-json\/wp\/v2\/tags?post=94809"},{"taxonomy":"normes-associees","embeddable":true,"href":"https:\/\/unm.fr\/en\/wp-json\/wp\/v2\/normes-associees?post=94809"},{"taxonomy":"thematique","embeddable":true,"href":"https:\/\/unm.fr\/en\/wp-json\/wp\/v2\/thematique?post=94809"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}