{"id":4144,"date":"2026-02-14T09:00:00","date_gmt":"2026-02-14T09:00:00","guid":{"rendered":"https:\/\/www.desopipe.com\/?p=4144"},"modified":"2026-03-06T08:02:51","modified_gmt":"2026-03-06T08:02:51","slug":"pn25-ppr-valves-for-solar-heating","status":"publish","type":"post","link":"https:\/\/www.desopipe.com\/fr\/blog\/ppr-valve\/pn25-ppr-valves-for-solar-heating\/","title":{"rendered":"Solutions haute pression\u00a0: Quand sp\u00e9cifier les vannes PPR PN25 dans les syst\u00e8mes de chauffage solaire"},"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-valve\/pn25-ppr-valves-for-solar-heating\/#Pressure_Temperature_in_Solar_Heating_Systems\" >Pression et temp\u00e9rature dans les syst\u00e8mes de chauffage solaire<\/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-valve\/pn25-ppr-valves-for-solar-heating\/#What_is_the_Difference_Between_a_PN20_and_a_PN_25_Valve\" >Quelle est la diff\u00e9rence entre une vanne PN20 et une vanne PN25\u00a0?<\/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-valve\/pn25-ppr-valves-for-solar-heating\/#Failure_Risks_of_Under-Specification\" >Risques de d\u00e9faillance li\u00e9s \u00e0 une sp\u00e9cification insuffisante<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.desopipe.com\/fr\/blog\/ppr-valve\/pn25-ppr-valves-for-solar-heating\/#Selecting_Valves_for_Long-Term_Stability\" >S\u00e9lection des vannes pour une stabilit\u00e9 \u00e0 long terme<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.desopipe.com\/fr\/blog\/ppr-valve\/pn25-ppr-valves-for-solar-heating\/#DESO_High-Pressure_Valve_Solutions\" >Solutions de vannes haute pression DESO<\/a><\/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-valve\/pn25-ppr-valves-for-solar-heating\/#Conclusion\" >Conclusion<\/a><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\">Dans l&#039;industrie moderne de la plomberie, les syst\u00e8mes PPR constituent le mat\u00e9riau standard pour la plomberie d&#039;eau chaude et froide. Cette norme doit \u00eatre conforme aux normes internationales, notamment \u00e0 la norme ISO 9001 pour le management de la qualit\u00e9. <a href=\"https:\/\/www.desopipe.com\/fr\/certificate\/\" target=\"_blank\" rel=\"noreferrer noopener\">normes DIN 8077\/8078<\/a>. Cela garantit que chaque tuyau et <strong>vanne PPR<\/strong> R\u00e9pond aux sp\u00e9cifications en mati\u00e8re de r\u00e9sistance \u00e0 la pression et de stabilit\u00e9 thermique \u00e0 long terme.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cependant, tous les tuyaux en PPR (copolym\u00e8re al\u00e9atoire de polypropyl\u00e8ne) ne r\u00e9sistent pas aux hautes temp\u00e9ratures. C&#039;est pourquoi il est n\u00e9cessaire de consulter l&#039;indice de protection thermique (PN) pour d\u00e9terminer si le tuyau ou la vanne peut supporter la plage de temp\u00e9ratures souhait\u00e9e.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">UN <strong>vanne PN 25<\/strong> Il s&#039;agit de la vanne \u201c\u00a0haute pression\u00a0\u201d, con\u00e7ue pour r\u00e9sister \u00e0 une pression de 25 bars (environ 362 psi). Pour un \u00e9vier de cuisine standard, une vanne PN16 ou PN20 convient. Cependant, si votre installation de plomberie est soumise \u00e0 de fortes contraintes, il vous faudra une vanne PN25. Cet article vous expliquera comment choisir la vanne adapt\u00e9e \u00e0 vos syst\u00e8mes solaires thermiques.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Pressure_Temperature_in_Solar_Heating_Systems\"><\/span>Pression et temp\u00e9rature dans les syst\u00e8mes de chauffage solaire<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Les capteurs solaires sont des dispositifs install\u00e9s avec des syst\u00e8mes solaires thermiques. Ils captent la lumi\u00e8re du soleil et la convertissent en \u00e9nergie utilisable. Souvent install\u00e9s dans les immeubles d&#039;habitation, ils atteignent des temp\u00e9ratures maximales de 80 \u00b0C (176 \u00b0F). <strong>vanne de chauffage PPR<\/strong> Dans une boucle solaire, il faut g\u00e9rer un fluide dont la temp\u00e9rature fluctue entre la temp\u00e9rature ambiante et des points proches de l&#039;\u00e9bullition.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Lors de pannes de courant ou de d\u00e9faillances de pompes par temps de forte chaleur, le syst\u00e8me peut stagner. Cela peut entra\u00eener une augmentation rapide de la pression interne due \u00e0 la dilatation du fluide. Une norme <strong>vanne PPR<\/strong> peut s&#039;user si <a href=\"https:\/\/www.desopipe.com\/fr\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/\" target=\"_blank\" rel=\"noreferrer noopener\">Note PN<\/a> Il ne supporte pas les pics de dilatation thermique. De plus, sa r\u00e9sistance \u00e0 la pression diminue lorsque la temp\u00e9rature de fonctionnement augmente.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ainsi, la s\u00e9lection d&#039;un <strong>vanne PPR haute temp\u00e9rature<\/strong> Un indice PN appropri\u00e9 devrait permettre de maintenir une marge de s\u00e9curit\u00e9 \u00e0 70 \u00b0C ou 95 \u00b0C. Dans ce cas, une vanne de 25 bars est le choix standard pour votre syst\u00e8me de chauffage solaire.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_is_the_Difference_Between_a_PN20_and_a_PN_25_Valve\"><\/span>Quelle est la diff\u00e9rence entre une vanne PN20 et une vanne PN25\u00a0?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La principale diff\u00e9rence entre les pressions nominales des vannes PN25 et PN20 r\u00e9side dans <a href=\"https:\/\/www.desopipe.com\/fr\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u00e9paisseur de paroi<\/a> et une qualit\u00e9 sp\u00e9cifique de mati\u00e8res premi\u00e8res. Un PN20 <strong>vanne PPR<\/strong> est con\u00e7u pour une pression normale de 2,0 MPa (20 bar) \u00e0 20 \u00b0C. En revanche, une unit\u00e9 nominale de 25 bar est con\u00e7ue pour 2,5 MPa (25 bar).&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pour les applications solaires, un PN 25<strong> <\/strong>assure des parois structurelles plus \u00e9paisses. Ces parois r\u00e9sistent \u00e0 la d\u00e9formation lente du plastique sous l&#039;effet d&#039;une chaleur et d&#039;une contrainte constantes. M\u00eame lorsque le syst\u00e8me fonctionne \u00e0 ses limites thermiques maximales, <strong>vanne PPR haute temp\u00e9rature<\/strong> L&#039;\u00e9tanch\u00e9it\u00e9 reste assur\u00e9e au niveau des joints de fusion, gr\u00e2ce \u00e0 la densit\u00e9 accrue du mat\u00e9riau de la valve.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vous trouverez ci-dessous un tableau qui r\u00e9capitule les diff\u00e9rences et les applications\u00a0:<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Sc\u00e9nario d&#039;application<\/strong><\/td><td><strong>Facteurs de stress typiques<\/strong><\/td><td><strong>Performances de la vanne PN20 PPR<\/strong><\/td><td><strong>Performances de la vanne PN25 PPR (haute pression)<\/strong><\/td><\/tr><tr><td>Tours r\u00e9sidentielles de grande hauteur<\/td><td>Pression statique + Coup de b\u00e9lier (Surtensions)<\/td><td>Fonctionne \u00e0 la limite de ses capacit\u00e9s structurelles ; sujette \u00e0 la fatigue due aux chocs de d\u00e9marrage de la pompe.<\/td><td>Fournit une \u201c marge de man\u0153uvre \u201d m\u00e9canique pour absorber les pics de pression sans contrainte sur la paroi.<\/td><\/tr><tr><td>Stagnation du solaire commercial<\/td><td>Chaleur extr\u00eame (90 \u00b0C et plus) + dilatation du fluide<\/td><td>Une importante \u201c d\u00e9classement \u201d se produit ; le mat\u00e9riau se ramollit et peut se rompre sous la pression de la vapeur.<\/td><td>Conserve une capacit\u00e9 de pression plus \u00e9lev\u00e9e aux temp\u00e9ratures maximales gr\u00e2ce \u00e0 une densit\u00e9 de paroi accrue.<\/td><\/tr><tr><td>Chauffage de proc\u00e9d\u00e9s industriels<\/td><td>Charge thermique constante (75 \u00b0C et plus) + fonctionnement 24 h\/24 et 7 j\/7<\/td><td>Sensible \u00e0 la rupture par fluage ; les mol\u00e9cules \u201c s\u2019\u00e9tirent \u201d avec le temps, ce qui entra\u00eene des fuites.<\/td><td>Un SDR (Standard Dimension Ratio) plus \u00e9pais r\u00e9siste \u00e0 la d\u00e9formation mol\u00e9culaire pour une stabilit\u00e9 \u00e0 long terme.<\/td><\/tr><tr><td>Stations de pompage pour le chauffage urbain<\/td><td>Vibrations m\u00e9caniques \u00e0 haute fr\u00e9quence<\/td><td>Des parois plus fines peuvent entra\u00eener une d\u00e9formation du si\u00e8ge et des fuites internes.<\/td><td>Le corps renforc\u00e9 fait office d&#039;amortisseur de vibrations, assurant un alignement interne parfait.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Failure_Risks_of_Under-Specification\"><\/span>Risques de d\u00e9faillance li\u00e9s \u00e0 une sp\u00e9cification insuffisante<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Lors du choix des vannes pour une boucle solaire haute pression, s\u00e9lectionnez la vanne recommand\u00e9e avec la valeur PN appropri\u00e9e. L&#039;utilisation d&#039;une vanne de valeur PN inf\u00e9rieure pr\u00e9sente plusieurs risques industriels, tels que\u00a0:&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Rupture par fluage :<\/strong> Des microfissures appara\u00eetront sur les soupapes, r\u00e9duisant ainsi la dur\u00e9e de vie du mat\u00e9riau. Ce ph\u00e9nom\u00e8ne est d\u00fb \u00e0 une exposition prolong\u00e9e \u00e0 une chaleur intense.&nbsp;<\/li>\n\n\n\n<li><strong>Faiblesse articulaire :<\/strong> Une exposition prolong\u00e9e \u00e0 la chaleur provoque \u00e9galement une dilatation thermique. Lorsque ce cycle se r\u00e9p\u00e8te, il exerce une contrainte immense sur la liaison par fusion entre le tuyau et le support. <strong>Vanne de chauffage PPR.&nbsp;<\/strong><\/li>\n\n\n\n<li><strong>Temps d&#039;arr\u00eat du syst\u00e8me\u00a0: <\/strong>Les pertes de fluide et les dommages aux collecteurs sont souvent caus\u00e9s par des vannes sous-dimensionn\u00e9es. Ce sont souvent les points de d\u00e9faillance les plus courants.&nbsp;<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Les ing\u00e9nieurs peuvent pr\u00e9voir une marge de s\u00e9curit\u00e9 pour pallier ces probl\u00e8mes courants dans l&#039;industrie. Sp\u00e9cifier une vanne de 25 bars<strong> <\/strong>garantit que le syst\u00e8me a une dur\u00e9e de vie de plus de 25 ans.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Selecting_Valves_for_Long-Term_Stability\"><\/span>S\u00e9lection des vannes pour une stabilit\u00e9 \u00e0 long terme<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Les ing\u00e9nieurs doivent v\u00e9rifier la conformit\u00e9 aux normes internationales telles que DIN 8077\/8078 ou ISO 15874. Il s&#039;agit d&#039;une exigence stricte lors du choix d&#039;un <strong>Vanne de chauffage PPR.<\/strong> Ces normes d\u00e9finissent les sp\u00e9cifications requises, telles que les dimensions et les essais de pression.&nbsp;&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">UN <strong>vanne PPR haute temp\u00e9rature<\/strong> doit g\u00e9rer le sp\u00e9cifique <a href=\"https:\/\/www.desopipe.com\/fr\/blog\/ppr-pipe\/ppr-pipe-sizes-and-specifications-guide-for-buyer\/\" target=\"_blank\" rel=\"noreferrer noopener\">SDR (Standard Dimension Ratio)<\/a> du syst\u00e8me de tuyauterie. Un stable <strong>vanne PPR<\/strong> Il convient \u00e9galement de pr\u00e9voir des inserts en alliage de laiton CW617N pour les raccords filet\u00e9s. Ceci pr\u00e9vient la corrosion galvanique et assure une fixation m\u00e9canique s\u00fbre avec les collecteurs m\u00e9talliques.&nbsp;<\/p>\n\n\n\n<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n  \n  <title>Produit phare<\/title>\n  <style>\n    .hero-card {\n      display: flex;\n      flex-wrap: wrap;\n      align-items: center;\n      background: #f7f8fa;\n      border-radius: 16px;\n      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.05);\n      padding: 24px;\n      max-width: 900px;\n      margin: 40px auto;\n      font-family: Arial, sans-serif;\n      text-decoration: none;\n      color: inherit;\n font-family: 'Poppins';\n    }\n\n    .hero-image {\n      width: 220px;\n      height: auto;\n      border-radius: 12px;\n      object-fit: cover;\n      flex-shrink: 0;\n    }\n\n    .hero-content {\n      padding-left: 24px;\n      flex: 1;\n      min-width: 260px;\n    }\n\n    .hero-title {\n      font-size: 1.6rem;\n      font-weight: bold;\n      margin-bottom: 12px;\n      color: #222;\n      font-family: 'Poppins',\n    }\n\n    .hero-description {\n      font-size: 1rem;\n      color: #555;\n      margin-bottom: 18px;\n    }\n\n    .hero-link {\n      display: inline-block;\n      padding: 10px 20px;\n      background-color: #0066cc;\n      color: #fff;\n      text-decoration: none;\n      border-radius: 8px;\n      font-weight: bold;\n      transition: background 0.2s ease-in-out;\n    }\n\n    .hero-link:hover {\n      background-color: #004c99;\n    }\n\n    @media (max-width: 640px) {\n      .hero-card {\n        flex-direction: column;\n        text-align: center;\n      }\n\n      .hero-content {\n        padding-left: 0;\n        padding-top: 20px;\n      }\n\n      .hero-image {\n        width: 100%;\n        max-width: 280px;\n      }\n    }\n  <\/style>\n<\/head>\n<body>\n\n<a class=\"hero-card\" href=\"https:\/\/www.desopipe.com\/fr\/product\/plastic-ball-valve-with-brass-core-ii\/\" target=\"_blank\">\n  <img decoding=\"async\" class=\"hero-image\" src=\"https:\/\/www.desopipe.com\/wp-content\/uploads\/2025\/03\/Plastic-ball-valve-with-brass-core-II.jpg\" alt=\"\">\n  <div class=\"hero-content\">\n    <div class=\"hero-title\">Robinet \u00e0 boisseau sph\u00e9rique en plastique avec noyau en laiton II<\/div>\n    <div class=\"hero-description\">\nGamme de tailles : DN20\u2013DN32 (20 mm\u201363 mm).<br>\n\nPression nominale : PN25 (jusqu&#039;\u00e0 2,5 MPa).\n\n <\/div>\n    <span class=\"hero-link\">Voir le produit<\/span>\n  <\/div>\n<\/a>\n\n<\/body>\n<\/html>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"DESO_High-Pressure_Valve_Solutions\"><\/span>Solutions de vannes haute pression DESO<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">DESO, l&#039;un des fabricants de tuyaux PPR, est sp\u00e9cialis\u00e9 dans la fabrication de tuyaux renforc\u00e9s. <strong>vanne PN 25<\/strong> unit\u00e9s. Nos <strong>vanne PPR haute temp\u00e9rature<\/strong> Cette gamme est sp\u00e9cialement con\u00e7ue pour les applications solaires thermiques. Elle utilise des modules 100% Borealis ou Hyosung. <a href=\"https:\/\/www.desopipe.com\/fr\/blog\/manufacturer\/buyers-guide-to-high-quality-ppr-pipe-material\/\" target=\"_blank\" rel=\"noreferrer noopener\">mati\u00e8res premi\u00e8res<\/a> pour garantir la stabilit\u00e9 chimique.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le <strong>vanne de chauffage PPR<\/strong> Le syst\u00e8me est test\u00e9 \u00e0 95 \u00b0C pendant 1\u00a0000 heures. Ce test v\u00e9rifie sa r\u00e9sistance \u00e0 la d\u00e9gradation thermique conform\u00e9ment \u00e0 la norme ISO 15874, clause 11.2 (ou \u00e9quivalent). Les installateurs s&#039;efforcent de fournir \u00e0 leurs clients, particuliers ou professionnels, un syst\u00e8me con\u00e7u pour fonctionner sous une pression de 25 bars. Le respect de ces sp\u00e9cifications permet d&#039;\u00e9viter les interventions ult\u00e9rieures et les reprises.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Choisir un <strong>vanne PN 25<\/strong> Il s&#039;agit d&#039;une mesure proactive visant \u00e0 garantir la s\u00e9curit\u00e9 et l&#039;efficacit\u00e9 d&#039;un syst\u00e8me de chauffage solaire. Les ing\u00e9nieurs doivent sp\u00e9cifier les vannes appropri\u00e9es en fonction des exigences du syst\u00e8me de plomberie. Bien qu&#039;une norme <strong>vanne PPR <\/strong>Une vanne standard peut suffire pour une installation de plomberie classique, mais les exigences thermiques d&#039;un syst\u00e8me de chauffage solaire n\u00e9cessitent une vanne plus robuste. En installant la vanne appropri\u00e9e, vous pouvez opter pour la vanne adapt\u00e9e. <strong>vanne de chauffage PPR, <\/strong>Vous avez la garantie d&#039;un syst\u00e8me s\u00fbr et efficace, avec une dur\u00e9e de vie certifi\u00e9e de 25 ans.<\/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>In the modern plumbing industry, PPR systems are the standard material for hot and cold water plumbing. This standard must be backed by international compliance, including<span class=\"excerpt-hellip\"> [\u2026]<\/span><\/p>\n","protected":false},"author":1,"featured_media":4245,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[58],"tags":[],"class_list":["post-4144","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ppr-valve"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>PPR Valve PN25 for High-Pressure Solar Heating | DESO Group<\/title>\n<meta name=\"description\" content=\"Learn why a high temperature PPR valve is required for solar heating and why a PN 25 valve is required to ensure thermal stability, creep rupture resistance, and a 25-year system service life.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.desopipe.com\/fr\/blog\/ppr-valve\/pn25-ppr-valves-for-solar-heating\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PPR Valve PN25 for High-Pressure Solar Heating | DESO Group\" \/>\n<meta property=\"og:description\" content=\"Learn why a high temperature PPR valve is required for solar heating and why a PN 25 valve is required to ensure thermal stability, creep rupture resistance, and a 25-year system service life.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.desopipe.com\/fr\/blog\/ppr-valve\/pn25-ppr-valves-for-solar-heating\/\" \/>\n<meta property=\"og:site_name\" content=\"World-Class PPR Piping System Manufacturer | DESO Group\" \/>\n<meta property=\"article:published_time\" content=\"2026-02-14T09:00:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-03-06T08:02:51+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/02\/High-Pressure-Solutions-When-to-Specify-PN25-PPR-Valves-in-Solar-Heating-Systems.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"936\" \/>\n\t<meta property=\"og:image:height\" content=\"487\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"deshouadmin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"deshouadmin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.desopipe.com\\\/blog\\\/ppr-valve\\\/pn25-ppr-valves-for-solar-heating\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.desopipe.com\\\/blog\\\/ppr-valve\\\/pn25-ppr-valves-for-solar-heating\\\/\"},\"author\":{\"name\":\"deshouadmin\",\"@id\":\"https:\\\/\\\/www.desopipe.com\\\/#\\\/schema\\\/person\\\/503d6474754abda58c2c9acb42fffde1\"},\"headline\":\"High-Pressure Solutions: When to Specify PN25 PPR Valves in Solar Heating Systems\",\"datePublished\":\"2026-02-14T09:00:00+00:00\",\"dateModified\":\"2026-03-06T08:02:51+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.desopipe.com\\\/blog\\\/ppr-valve\\\/pn25-ppr-valves-for-solar-heating\\\/\"},\"wordCount\":1006,\"commentCount\":0,\"image\":{\"@id\":\"https:\\\/\\\/www.desopipe.com\\\/blog\\\/ppr-valve\\\/pn25-ppr-valves-for-solar-heating\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.desopipe.com\\\/wp-content\\\/uploads\\\/2026\\\/02\\\/High-Pressure-Solutions-When-to-Specify-PN25-PPR-Valves-in-Solar-Heating-Systems.webp\",\"articleSection\":[\"PPR Valve\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.desopipe.com\\\/blog\\\/ppr-valve\\\/pn25-ppr-valves-for-solar-heating\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.desopipe.com\\\/blog\\\/ppr-valve\\\/pn25-ppr-valves-for-solar-heating\\\/\",\"url\":\"https:\\\/\\\/www.desopipe.com\\\/blog\\\/ppr-valve\\\/pn25-ppr-valves-for-solar-heating\\\/\",\"name\":\"PPR Valve PN25 for High-Pressure Solar Heating | DESO Group\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.desopipe.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.desopipe.com\\\/blog\\\/ppr-valve\\\/pn25-ppr-valves-for-solar-heating\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.desopipe.com\\\/blog\\\/ppr-valve\\\/pn25-ppr-valves-for-solar-heating\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.desopipe.com\\\/wp-content\\\/uploads\\\/2026\\\/02\\\/High-Pressure-Solutions-When-to-Specify-PN25-PPR-Valves-in-Solar-Heating-Systems.webp\",\"datePublished\":\"2026-02-14T09:00:00+00:00\",\"dateModified\":\"2026-03-06T08:02:51+00:00\",\"author\":{\"@id\":\"https:\\\/\\\/www.desopipe.com\\\/#\\\/schema\\\/person\\\/503d6474754abda58c2c9acb42fffde1\"},\"description\":\"Learn why a high temperature PPR valve is required for solar heating and why a PN 25 valve is required to ensure thermal stability, creep rupture resistance, and a 25-year system service life.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.desopipe.com\\\/blog\\\/ppr-valve\\\/pn25-ppr-valves-for-solar-heating\\\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.desopipe.com\\\/blog\\\/ppr-valve\\\/pn25-ppr-valves-for-solar-heating\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/www.desopipe.com\\\/blog\\\/ppr-valve\\\/pn25-ppr-valves-for-solar-heating\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.desopipe.com\\\/wp-content\\\/uploads\\\/2026\\\/02\\\/High-Pressure-Solutions-When-to-Specify-PN25-PPR-Valves-in-Solar-Heating-Systems.webp\",\"contentUrl\":\"https:\\\/\\\/www.desopipe.com\\\/wp-content\\\/uploads\\\/2026\\\/02\\\/High-Pressure-Solutions-When-to-Specify-PN25-PPR-Valves-in-Solar-Heating-Systems.webp\",\"width\":936,\"height\":487,\"caption\":\"High-Pressure Solutions When to Specify PN25 PPR Valves in Solar Heating Systems\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.desopipe.com\\\/blog\\\/ppr-valve\\\/pn25-ppr-valves-for-solar-heating\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.desopipe.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"High-Pressure Solutions: When to Specify PN25 PPR Valves in Solar Heating Systems\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.desopipe.com\\\/#website\",\"url\":\"https:\\\/\\\/www.desopipe.com\\\/\",\"name\":\"PPR Pipe Manufacturer And PPR Pipe Fittings Manufacturer | DESO\",\"description\":\"PPR Pipe Manufacturer And PPR Pipe Fittings Manufacturer | DESO\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.desopipe.com\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/www.desopipe.com\\\/#\\\/schema\\\/person\\\/503d6474754abda58c2c9acb42fffde1\",\"name\":\"deshouadmin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/93aff415514bd814648ce79dba79eda7b10083835a9415e821ea29da31948aad?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/93aff415514bd814648ce79dba79eda7b10083835a9415e821ea29da31948aad?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/93aff415514bd814648ce79dba79eda7b10083835a9415e821ea29da31948aad?s=96&d=mm&r=g\",\"caption\":\"deshouadmin\"},\"sameAs\":[\"http:\\\/\\\/desopipe.com\"],\"url\":\"https:\\\/\\\/www.desopipe.com\\\/fr\\\/author\\\/deshouadmin\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Vanne PPR PN25 pour chauffage solaire haute pression | Groupe DESO","description":"D\u00e9couvrez pourquoi une vanne PPR haute temp\u00e9rature est n\u00e9cessaire pour le chauffage solaire et pourquoi une vanne PN 25 est requise pour garantir la stabilit\u00e9 thermique, la r\u00e9sistance \u00e0 la rupture par fluage et une dur\u00e9e de vie du syst\u00e8me de 25 ans.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.desopipe.com\/fr\/blog\/ppr-valve\/pn25-ppr-valves-for-solar-heating\/","og_locale":"fr_FR","og_type":"article","og_title":"PPR Valve PN25 for High-Pressure Solar Heating | DESO Group","og_description":"Learn why a high temperature PPR valve is required for solar heating and why a PN 25 valve is required to ensure thermal stability, creep rupture resistance, and a 25-year system service life.","og_url":"https:\/\/www.desopipe.com\/fr\/blog\/ppr-valve\/pn25-ppr-valves-for-solar-heating\/","og_site_name":"World-Class PPR Piping System Manufacturer | DESO Group","article_published_time":"2026-02-14T09:00:00+00:00","article_modified_time":"2026-03-06T08:02:51+00:00","og_image":[{"width":936,"height":487,"url":"https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/02\/High-Pressure-Solutions-When-to-Specify-PN25-PPR-Valves-in-Solar-Heating-Systems.webp","type":"image\/webp"}],"author":"deshouadmin","twitter_card":"summary_large_image","twitter_misc":{"\u00c9crit par":"deshouadmin","Dur\u00e9e de lecture estim\u00e9e":"6 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.desopipe.com\/blog\/ppr-valve\/pn25-ppr-valves-for-solar-heating\/#article","isPartOf":{"@id":"https:\/\/www.desopipe.com\/blog\/ppr-valve\/pn25-ppr-valves-for-solar-heating\/"},"author":{"name":"deshouadmin","@id":"https:\/\/www.desopipe.com\/#\/schema\/person\/503d6474754abda58c2c9acb42fffde1"},"headline":"High-Pressure Solutions: When to Specify PN25 PPR Valves in Solar Heating Systems","datePublished":"2026-02-14T09:00:00+00:00","dateModified":"2026-03-06T08:02:51+00:00","mainEntityOfPage":{"@id":"https:\/\/www.desopipe.com\/blog\/ppr-valve\/pn25-ppr-valves-for-solar-heating\/"},"wordCount":1006,"commentCount":0,"image":{"@id":"https:\/\/www.desopipe.com\/blog\/ppr-valve\/pn25-ppr-valves-for-solar-heating\/#primaryimage"},"thumbnailUrl":"https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/02\/High-Pressure-Solutions-When-to-Specify-PN25-PPR-Valves-in-Solar-Heating-Systems.webp","articleSection":["PPR Valve"],"inLanguage":"fr-FR","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.desopipe.com\/blog\/ppr-valve\/pn25-ppr-valves-for-solar-heating\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.desopipe.com\/blog\/ppr-valve\/pn25-ppr-valves-for-solar-heating\/","url":"https:\/\/www.desopipe.com\/blog\/ppr-valve\/pn25-ppr-valves-for-solar-heating\/","name":"Vanne PPR PN25 pour chauffage solaire haute pression | Groupe DESO","isPartOf":{"@id":"https:\/\/www.desopipe.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.desopipe.com\/blog\/ppr-valve\/pn25-ppr-valves-for-solar-heating\/#primaryimage"},"image":{"@id":"https:\/\/www.desopipe.com\/blog\/ppr-valve\/pn25-ppr-valves-for-solar-heating\/#primaryimage"},"thumbnailUrl":"https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/02\/High-Pressure-Solutions-When-to-Specify-PN25-PPR-Valves-in-Solar-Heating-Systems.webp","datePublished":"2026-02-14T09:00:00+00:00","dateModified":"2026-03-06T08:02:51+00:00","author":{"@id":"https:\/\/www.desopipe.com\/#\/schema\/person\/503d6474754abda58c2c9acb42fffde1"},"description":"D\u00e9couvrez pourquoi une vanne PPR haute temp\u00e9rature est n\u00e9cessaire pour le chauffage solaire et pourquoi une vanne PN 25 est requise pour garantir la stabilit\u00e9 thermique, la r\u00e9sistance \u00e0 la rupture par fluage et une dur\u00e9e de vie du syst\u00e8me de 25 ans.","breadcrumb":{"@id":"https:\/\/www.desopipe.com\/blog\/ppr-valve\/pn25-ppr-valves-for-solar-heating\/#breadcrumb"},"inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.desopipe.com\/blog\/ppr-valve\/pn25-ppr-valves-for-solar-heating\/"]}]},{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/www.desopipe.com\/blog\/ppr-valve\/pn25-ppr-valves-for-solar-heating\/#primaryimage","url":"https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/02\/High-Pressure-Solutions-When-to-Specify-PN25-PPR-Valves-in-Solar-Heating-Systems.webp","contentUrl":"https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/02\/High-Pressure-Solutions-When-to-Specify-PN25-PPR-Valves-in-Solar-Heating-Systems.webp","width":936,"height":487,"caption":"High-Pressure Solutions When to Specify PN25 PPR Valves in Solar Heating Systems"},{"@type":"BreadcrumbList","@id":"https:\/\/www.desopipe.com\/blog\/ppr-valve\/pn25-ppr-valves-for-solar-heating\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.desopipe.com\/"},{"@type":"ListItem","position":2,"name":"High-Pressure Solutions: When to Specify PN25 PPR Valves in Solar Heating Systems"}]},{"@type":"WebSite","@id":"https:\/\/www.desopipe.com\/#website","url":"https:\/\/www.desopipe.com\/","name":"Fabricant de tuyaux et de raccords en PPR | DESO","description":"Fabricant de tuyaux et de raccords en PPR | DESO","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.desopipe.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"fr-FR"},{"@type":"Person","@id":"https:\/\/www.desopipe.com\/#\/schema\/person\/503d6474754abda58c2c9acb42fffde1","name":"deshouadmin","image":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/secure.gravatar.com\/avatar\/93aff415514bd814648ce79dba79eda7b10083835a9415e821ea29da31948aad?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/93aff415514bd814648ce79dba79eda7b10083835a9415e821ea29da31948aad?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/93aff415514bd814648ce79dba79eda7b10083835a9415e821ea29da31948aad?s=96&d=mm&r=g","caption":"deshouadmin"},"sameAs":["http:\/\/desopipe.com"],"url":"https:\/\/www.desopipe.com\/fr\/author\/deshouadmin\/"}]}},"_links":{"self":[{"href":"https:\/\/www.desopipe.com\/fr\/wp-json\/wp\/v2\/posts\/4144","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.desopipe.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.desopipe.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.desopipe.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.desopipe.com\/fr\/wp-json\/wp\/v2\/comments?post=4144"}],"version-history":[{"count":2,"href":"https:\/\/www.desopipe.com\/fr\/wp-json\/wp\/v2\/posts\/4144\/revisions"}],"predecessor-version":[{"id":4149,"href":"https:\/\/www.desopipe.com\/fr\/wp-json\/wp\/v2\/posts\/4144\/revisions\/4149"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.desopipe.com\/fr\/wp-json\/wp\/v2\/media\/4245"}],"wp:attachment":[{"href":"https:\/\/www.desopipe.com\/fr\/wp-json\/wp\/v2\/media?parent=4144"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.desopipe.com\/fr\/wp-json\/wp\/v2\/categories?post=4144"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.desopipe.com\/fr\/wp-json\/wp\/v2\/tags?post=4144"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}