{"id":3891,"date":"2025-12-19T09:00:00","date_gmt":"2025-12-19T09:00:00","guid":{"rendered":"https:\/\/www.desopipe.com\/?p=3891"},"modified":"2025-12-27T05:36:07","modified_gmt":"2025-12-27T05:36:07","slug":"oxygen-barrier-ppr-pipes-when-necessary","status":"publish","type":"post","link":"https:\/\/www.desopipe.com\/fr\/blog\/ppr-pipe\/oxygen-barrier-ppr-pipes-when-necessary\/","title":{"rendered":"Tuyaux PPR \u00e0 barri\u00e8re d&#039;oxyg\u00e8ne\u00a0: quand sont-ils n\u00e9cessaires\u00a0?"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_86 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table des mati\u00e8res<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Basculer la table des mati\u00e8res\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Basculer<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.desopipe.com\/fr\/blog\/ppr-pipe\/oxygen-barrier-ppr-pipes-when-necessary\/#What_Is_an_Oxygen_Barrier_in_PPR_Pipes\" >Qu&#039;est-ce qu&#039;une barri\u00e8re \u00e0 oxyg\u00e8ne dans les tuyaux PPR\u00a0?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.desopipe.com\/fr\/blog\/ppr-pipe\/oxygen-barrier-ppr-pipes-when-necessary\/#How_Oxygen_Enters_Heating_Systems\" >Comment l&#039;oxyg\u00e8ne p\u00e9n\u00e8tre dans les syst\u00e8mes de chauffage<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.desopipe.com\/fr\/blog\/ppr-pipe\/oxygen-barrier-ppr-pipes-when-necessary\/#What_Makes_Oxygen_Barrier_PPR_Pipes_Different\" >Qu&#039;est-ce qui diff\u00e9rencie les tuyaux PPR \u00e0 barri\u00e8re d&#039;oxyg\u00e8ne\u00a0?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.desopipe.com\/fr\/blog\/ppr-pipe\/oxygen-barrier-ppr-pipes-when-necessary\/#Barrier_Layer_Structure\" >Structure de la couche barri\u00e8re<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.desopipe.com\/fr\/blog\/ppr-pipe\/oxygen-barrier-ppr-pipes-when-necessary\/#Material_Design\" >Conception mat\u00e9rielle<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.desopipe.com\/fr\/blog\/ppr-pipe\/oxygen-barrier-ppr-pipes-when-necessary\/#When_Oxygen_Barrier_Pipes_Are_Necessary\" >Quand les tuyaux \u00e0 barri\u00e8re d&#039;oxyg\u00e8ne sont-ils n\u00e9cessaires ?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.desopipe.com\/fr\/blog\/ppr-pipe\/oxygen-barrier-ppr-pipes-when-necessary\/#Closed-Loop_Heating_Systems\" >Syst\u00e8mes de chauffage en circuit ferm\u00e9<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.desopipe.com\/fr\/blog\/ppr-pipe\/oxygen-barrier-ppr-pipes-when-necessary\/#Systems_with_Metal_Components\" >Syst\u00e8mes comportant des composants m\u00e9talliques<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.desopipe.com\/fr\/blog\/ppr-pipe\/oxygen-barrier-ppr-pipes-when-necessary\/#Large_Buildings\" >Grands b\u00e2timents<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.desopipe.com\/fr\/blog\/ppr-pipe\/oxygen-barrier-ppr-pipes-when-necessary\/#When_They_May_Not_Be_Required\" >Quand ils ne sont peut-\u00eatre pas n\u00e9cessaires<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.desopipe.com\/fr\/blog\/ppr-pipe\/oxygen-barrier-ppr-pipes-when-necessary\/#Flow_Rate_Inner_Wall_Smoothness_and_System_Efficiency\" >D\u00e9bit, rugosit\u00e9 de la paroi interne et efficacit\u00e9 du syst\u00e8me<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.desopipe.com\/fr\/blog\/ppr-pipe\/oxygen-barrier-ppr-pipes-when-necessary\/#Choosing_the_Right_Pipe_for_Your_Project\" >Choisir le bon tuyau pour votre projet<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.desopipe.com\/fr\/blog\/ppr-pipe\/oxygen-barrier-ppr-pipes-when-necessary\/#Conclusion\" >Conclusion<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.desopipe.com\/fr\/blog\/ppr-pipe\/oxygen-barrier-ppr-pipes-when-necessary\/#Frequently_Asked_Questions\" >Questions fr\u00e9quemment pos\u00e9es&nbsp;<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.desopipe.com\/fr\/blog\/ppr-pipe\/oxygen-barrier-ppr-pipes-when-necessary\/#Do_all_heating_systems_need_oxygen_barrier_pipes\" >Tous les syst\u00e8mes de chauffage n\u00e9cessitent-ils des tuyaux \u00e0 barri\u00e8re anti-oxyg\u00e8ne\u00a0?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.desopipe.com\/fr\/blog\/ppr-pipe\/oxygen-barrier-ppr-pipes-when-necessary\/#Is_EVOH_safe_for_water_systems\" >L&#039;EVOH est-il sans danger pour les syst\u00e8mes d&#039;eau ?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.desopipe.com\/fr\/blog\/ppr-pipe\/oxygen-barrier-ppr-pipes-when-necessary\/#Do_barrier_layers_affect_flow_rate\" >Les couches barri\u00e8res ont-elles une incidence sur le d\u00e9bit ?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.desopipe.com\/fr\/blog\/ppr-pipe\/oxygen-barrier-ppr-pipes-when-necessary\/#Can_barrier_pipes_replace_corrosion_inhibitors\" >Les tuyaux barri\u00e8res peuvent-ils remplacer les inhibiteurs de corrosion\u00a0?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.desopipe.com\/fr\/blog\/ppr-pipe\/oxygen-barrier-ppr-pipes-when-necessary\/#Are_barrier_pipes_harder_to_install\" >Les tuyaux barri\u00e8res sont-ils plus difficiles \u00e0 installer ?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\">Les tuyaux PPR \u00e0 barri\u00e8re d&#039;oxyg\u00e8ne sont indispensables lorsqu&#039;un syst\u00e8me de tuyauterie comprend des pi\u00e8ces m\u00e9talliques ou fonctionne en circuit ferm\u00e9. Ils contribuent \u00e0 r\u00e9duire l&#039;entr\u00e9e d&#039;oxyg\u00e8ne, ce qui diminue les risques de corrosion, maintient la propret\u00e9 des syst\u00e8mes et assure leur bon fonctionnement \u00e0 long terme. Cet article explique quand ils sont n\u00e9cessaires, comment ils fonctionnent et comment les choisir judicieusement.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Is_an_Oxygen_Barrier_in_PPR_Pipes\"><\/span><strong>Qu&#039;est-ce qu&#039;une barri\u00e8re \u00e0 oxyg\u00e8ne dans les tuyaux PPR\u00a0?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Une barri\u00e8re anti-oxyg\u00e8ne est une couche ajout\u00e9e \u00e0 certains tuyaux en PPR pour ralentir la diffusion de l&#039;oxyg\u00e8ne. L&#039;oxyg\u00e8ne peut p\u00e9n\u00e9trer dans les r\u00e9seaux d&#039;eau \u00e0 travers les parois des tuyaux au fil du temps. Dans les syst\u00e8mes de chauffage ferm\u00e9s, l&#039;oxyg\u00e8ne r\u00e9agit avec les pi\u00e8ces m\u00e9talliques et provoque la corrosion.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Trois points cl\u00e9s \u00e0 retenir :<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Cela limite l&#039;entr\u00e9e d&#039;oxyg\u00e8ne dans les syst\u00e8mes d&#039;eau.<\/li>\n\n\n\n<li>Il contribue \u00e0 prot\u00e9ger les composants m\u00e9talliques.<\/li>\n\n\n\n<li>Il favorise des syst\u00e8mes de chauffage plus propres et plus durables.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_Oxygen_Enters_Heating_Systems\"><\/span><strong>Comment l&#039;oxyg\u00e8ne p\u00e9n\u00e8tre dans les syst\u00e8mes de chauffage<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">L&#039;oxyg\u00e8ne p\u00e9n\u00e8tre principalement par diffusion. M\u00eame les syst\u00e8mes \u00e9tanches peuvent absorber de l&#039;oxyg\u00e8ne \u00e0 travers les parois des tuyaux. Ce ph\u00e9nom\u00e8ne est courant dans <a href=\"https:\/\/www.desopipe.com\/fr\/blog\/ppr-pipe\/underground-water-systems-ppr-pipe\/\" target=\"_blank\" rel=\"noreferrer noopener\">Syst\u00e8mes de chauffage par le sol et par rayonnement.<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Une fois \u00e0 l&#039;int\u00e9rieur, l&#039;oxyg\u00e8ne r\u00e9agit avec les pompes, les vannes et les radiateurs en acier. Les particules de rouille circulent alors, bloquant le flux et r\u00e9duisant la production de chaleur.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Makes_Oxygen_Barrier_PPR_Pipes_Different\"><\/span><strong>Qu&#039;est-ce qui diff\u00e9rencie les tuyaux PPR \u00e0 barri\u00e8re d&#039;oxyg\u00e8ne\u00a0?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1046\" height=\"495\" src=\"https:\/\/www.desopipe.com\/wp-content\/uploads\/2025\/12\/image-37.png\" alt=\"\" class=\"wp-image-3892\" style=\"width:600px\" srcset=\"https:\/\/www.desopipe.com\/wp-content\/uploads\/2025\/12\/image-37.png 1046w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2025\/12\/image-37-500x237.png 500w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2025\/12\/image-37-300x142.png 300w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2025\/12\/image-37-768x363.png 768w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2025\/12\/image-37-18x9.png 18w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2025\/12\/image-37-150x71.png 150w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2025\/12\/image-37-480x227.png 480w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2025\/12\/image-37-800x379.png 800w\" sizes=\"auto, (max-width:767px) 480px, (max-width:1046px) 100vw, 1046px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Barrier_Layer_Structure\"><\/span><strong>Structure de la couche barri\u00e8re<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">De nombreuses canalisations comportent une couche barri\u00e8re \u00e0 l&#039;oxyg\u00e8ne en PPR, souvent en EVOH. Ce mat\u00e9riau pr\u00e9sente une faible perm\u00e9abilit\u00e9 \u00e0 l&#039;oxyg\u00e8ne. Dans les canalisations PPR \u00e0 barri\u00e8re \u00e0 l&#039;oxyg\u00e8ne en EVOH, la couche est coll\u00e9e entre des couches de PPR.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Material_Design\"><\/span><strong>Conception mat\u00e9rielle<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">La base <a href=\"https:\/\/www.desopipe.com\/fr\/blog\/ppr-pipe\/how-is-ppr-pipe-manufactured\/\" target=\"_blank\" rel=\"noreferrer noopener\">mat\u00e9riau PPR <\/a>La perm\u00e9abilit\u00e9 est d\u00e9j\u00e0 faible. La couche ajout\u00e9e r\u00e9duit encore davantage la diffusion de l&#039;oxyg\u00e8ne. Ceci est particuli\u00e8rement utile dans les syst\u00e8mes fonctionnant pendant de longues p\u00e9riodes.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"When_Oxygen_Barrier_Pipes_Are_Necessary\"><\/span><strong>Quand les tuyaux \u00e0 barri\u00e8re d&#039;oxyg\u00e8ne sont-ils n\u00e9cessaires ?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Closed-Loop_Heating_Systems\"><\/span><strong>Syst\u00e8mes de chauffage en circuit ferm\u00e9<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ces syst\u00e8mes incluent le chauffage au sol et le chauffage radiant. L&#039;oxyg\u00e8ne s&#039;accumule au fil du temps en raison de la r\u00e9utilisation de l&#039;eau. L&#039;utilisation d&#039;un tuyau de chauffage PPR avec barri\u00e8re est fortement recommand\u00e9e.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Systems_with_Metal_Components\"><\/span><strong>Syst\u00e8mes comportant des composants m\u00e9talliques<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Si les pompes, les chaudi\u00e8res ou les \u00e9changeurs de chaleur sont en m\u00e9tal, le contr\u00f4le de l&#039;oxyg\u00e8ne devient important. Moins d&#039;oxyg\u00e8ne signifie moins de corrosion interne.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Large_Buildings\"><\/span><strong>Grands b\u00e2timents<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Dans les h\u00f4tels, les h\u00f4pitaux et les bureaux, les longs tron\u00e7ons de canalisation augmentent l&#039;exposition \u00e0 l&#039;oxyg\u00e8ne. DESO fournit des tableaux de d\u00e9bit et des courbes de perte de charge bas\u00e9s sur des essais en laboratoire. Ces outils aident les ing\u00e9nieurs \u00e0 dimensionner correctement les canalisations et \u00e0 g\u00e9rer les risques li\u00e9s \u00e0 l&#039;oxyg\u00e8ne.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"When_They_May_Not_Be_Required\"><\/span><strong>Quand ils ne sont peut-\u00eatre pas n\u00e9cessaires<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Dans les syst\u00e8mes de plomberie d&#039;eau froide, l&#039;eau circule en continu. L&#039;oxyg\u00e8ne ne reste pas pi\u00e9g\u00e9. Pour ces syst\u00e8mes, <a href=\"https:\/\/www.desopipe.com\/fr\/product-category\/ppr-pipe\/standard-ppr-pipe\/\" target=\"_blank\" rel=\"noreferrer noopener\">tuyaux PPR standard<\/a> sont souvent suffisants.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les syst\u00e8mes en boucle ouverte lib\u00e8rent \u00e9galement de l&#039;oxyg\u00e8ne r\u00e9guli\u00e8rement. Dans ce cas, les couches barri\u00e8res n&#039;apportent qu&#039;une valeur ajout\u00e9e limit\u00e9e.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Flow_Rate_Inner_Wall_Smoothness_and_System_Efficiency\"><\/span><strong>D\u00e9bit, rugosit\u00e9 de la paroi interne et efficacit\u00e9 du syst\u00e8me<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La rugosit\u00e9 des tuyaux influe sur le d\u00e9bit et les pertes de charge. DESO utilise une extrusion \u00e0 paroi int\u00e9rieure lisse, fabriqu\u00e9e \u00e0 partir de mati\u00e8res premi\u00e8res vierges. Ceci r\u00e9duit la friction et contribue \u00e0 maintenir un d\u00e9bit stable.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Un contr\u00f4le pr\u00e9cis du diam\u00e8tre ext\u00e9rieur garantit \u00e9galement des raccords uniformes et des performances pr\u00e9visibles. Ces facteurs sont d&#039;autant plus importants dans les circuits de chauffage \u00e0 cycles de fonctionnement longs.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Choosing_the_Right_Pipe_for_Your_Project\"><\/span><strong>Choisir le bon tuyau pour votre projet<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ne vous basez pas uniquement sur les couches barri\u00e8res pour faire votre choix. Prenez en compte\u00a0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Type de syst\u00e8me (ouvert ou ferm\u00e9)<\/li>\n\n\n\n<li>Pr\u00e9sence de pi\u00e8ces m\u00e9talliques<\/li>\n\n\n\n<li>Longueur de la conduite et d\u00e9bit demand\u00e9<\/li>\n\n\n\n<li>Donn\u00e9es de conception disponibles<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">DESO facilite la planification des syst\u00e8mes gr\u00e2ce \u00e0 une documentation technique, des catalogues et des r\u00e9f\u00e9rences de conception. Ces outils aident les distributeurs et les installateurs \u00e0 faire des choix \u00e9clair\u00e9s.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span><strong>Conclusion<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Les tuyaux PPR \u00e0 barri\u00e8re d&#039;oxyg\u00e8ne ne sont pas toujours n\u00e9cessaires, mais ils s&#039;av\u00e8rent pr\u00e9cieux dans certains syst\u00e8mes. Les boucles de chauffage, les composants m\u00e9talliques et les grands b\u00e2timents en tirent le plus grand b\u00e9n\u00e9fice. Avec des donn\u00e9es et une planification ad\u00e9quates, ils permettent un fonctionnement plus propre et une maintenance simplifi\u00e9e.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">DESO Pipe appuie ces d\u00e9cisions avec des donn\u00e9es de d\u00e9bit test\u00e9es, des courbes de pression et des guides syst\u00e8me clairs. D\u00e9couvrez leur collection de <a href=\"https:\/\/www.desopipe.com\/fr\/product\/\" target=\"_blank\" rel=\"noreferrer noopener\">Tuyaux, raccords et PPR <strong>vanne PPR<\/strong> solutions <\/a>pour mener \u00e0 bien votre prochain projet en toute confiance.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Frequently_Asked_Questions\"><\/span><strong>Questions fr\u00e9quemment pos\u00e9es&nbsp;<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Do_all_heating_systems_need_oxygen_barrier_pipes\"><\/span><strong>Tous les syst\u00e8mes de chauffage n\u00e9cessitent-ils des tuyaux \u00e0 barri\u00e8re anti-oxyg\u00e8ne\u00a0?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Non. Ce sont les syst\u00e8mes en boucle ferm\u00e9e qui en tirent le plus grand b\u00e9n\u00e9fice. Les syst\u00e8mes ouverts n&#039;en ont g\u00e9n\u00e9ralement pas besoin.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Is_EVOH_safe_for_water_systems\"><\/span><strong>L&#039;EVOH est-il sans danger pour les syst\u00e8mes d&#039;eau ?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Oui. Les couches d&#039;EVOH sont couramment utilis\u00e9es et isol\u00e9es du contact avec l&#039;eau.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Do_barrier_layers_affect_flow_rate\"><\/span><strong>Les couches barri\u00e8res ont-elles une incidence sur le d\u00e9bit ?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Non. La r\u00e9gularit\u00e9 de la paroi interne a un impact plus important sur le comportement de l&#039;\u00e9coulement.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Can_barrier_pipes_replace_corrosion_inhibitors\"><\/span><strong>Les tuyaux barri\u00e8res peuvent-ils remplacer les inhibiteurs de corrosion\u00a0?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ils r\u00e9duisent l&#039;entr\u00e9e d&#039;oxyg\u00e8ne mais ne remplacent pas enti\u00e8rement le traitement chimique.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Are_barrier_pipes_harder_to_install\"><\/span><strong>Les tuyaux barri\u00e8res sont-ils plus difficiles \u00e0 installer ?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">L&#039;installation est similaire \u00e0 celle des tuyaux PPR standard.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-fe48e5de wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-white-color has-text-color has-background has-link-color wp-element-button\" href=\"https:\/\/www.desopipe.com\/fr\/contact\/\" style=\"background-color:#0588a7\" target=\"_blank\" rel=\"noreferrer noopener\">Obtenez un devis gratuit<\/a><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Oxygen barrier PPR pipes are necessary when a piping system includes metal parts or operates in closed-loop heating systems. They help reduce oxygen entry, which lowers<span class=\"excerpt-hellip\"> [\u2026]<\/span><\/p>\n","protected":false},"author":1,"featured_media":3925,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[56],"tags":[],"class_list":["post-3891","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ppr-pipe"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Oxygen Barrier Pipe: When Are They Needed | DESO Group<\/title>\n<meta name=\"description\" content=\"Learn when oxygen barrier pipe is needed, how it protects heating systems, and how EVOH PPR pipes reduce corrosion in closed-loop systems.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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