{"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\/de\/blog\/ppr-pipe\/oxygen-barrier-ppr-pipes-when-necessary\/","title":{"rendered":"Sauerstoffdichte PPR-Rohre: Wann sind sie notwendig?"},"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\">Inhaltsverzeichnis<\/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=\"Inhaltsverzeichnis ein-\/ausblenden\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Umschalten<\/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\/de\/blog\/ppr-pipe\/oxygen-barrier-ppr-pipes-when-necessary\/#What_Is_an_Oxygen_Barrier_in_PPR_Pipes\" >Was ist eine Sauerstoffbarriere in PPR-Rohren?<\/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\/de\/blog\/ppr-pipe\/oxygen-barrier-ppr-pipes-when-necessary\/#How_Oxygen_Enters_Heating_Systems\" >Wie Sauerstoff in Heizsysteme gelangt<\/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\/de\/blog\/ppr-pipe\/oxygen-barrier-ppr-pipes-when-necessary\/#What_Makes_Oxygen_Barrier_PPR_Pipes_Different\" >Was unterscheidet PPR-Rohre mit Sauerstoffbarriere von anderen Rohren?<\/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\/de\/blog\/ppr-pipe\/oxygen-barrier-ppr-pipes-when-necessary\/#Barrier_Layer_Structure\" >Barriereschichtstruktur<\/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\/de\/blog\/ppr-pipe\/oxygen-barrier-ppr-pipes-when-necessary\/#Material_Design\" >Materialdesign<\/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\/de\/blog\/ppr-pipe\/oxygen-barrier-ppr-pipes-when-necessary\/#When_Oxygen_Barrier_Pipes_Are_Necessary\" >Wann Sauerstoffsperrrohre erforderlich sind<\/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\/de\/blog\/ppr-pipe\/oxygen-barrier-ppr-pipes-when-necessary\/#Closed-Loop_Heating_Systems\" >Geschlossene Heizkreisl\u00e4ufe<\/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\/de\/blog\/ppr-pipe\/oxygen-barrier-ppr-pipes-when-necessary\/#Systems_with_Metal_Components\" >Systeme mit Metallkomponenten<\/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\/de\/blog\/ppr-pipe\/oxygen-barrier-ppr-pipes-when-necessary\/#Large_Buildings\" >Gro\u00dfe Geb\u00e4ude<\/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\/de\/blog\/ppr-pipe\/oxygen-barrier-ppr-pipes-when-necessary\/#When_They_May_Not_Be_Required\" >Wann sie m\u00f6glicherweise nicht erforderlich sind<\/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\/de\/blog\/ppr-pipe\/oxygen-barrier-ppr-pipes-when-necessary\/#Flow_Rate_Inner_Wall_Smoothness_and_System_Efficiency\" >Durchflussrate, Innenwandgl\u00e4tte und Systemeffizienz<\/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\/de\/blog\/ppr-pipe\/oxygen-barrier-ppr-pipes-when-necessary\/#Choosing_the_Right_Pipe_for_Your_Project\" >Die richtige Rohrleitung f\u00fcr Ihr Projekt ausw\u00e4hlen<\/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\/de\/blog\/ppr-pipe\/oxygen-barrier-ppr-pipes-when-necessary\/#Conclusion\" >Abschluss<\/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\/de\/blog\/ppr-pipe\/oxygen-barrier-ppr-pipes-when-necessary\/#Frequently_Asked_Questions\" >H\u00e4ufig gestellte Fragen&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\/de\/blog\/ppr-pipe\/oxygen-barrier-ppr-pipes-when-necessary\/#Do_all_heating_systems_need_oxygen_barrier_pipes\" >Ben\u00f6tigen alle Heizsysteme Sauerstoffsperrrohre?<\/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\/de\/blog\/ppr-pipe\/oxygen-barrier-ppr-pipes-when-necessary\/#Is_EVOH_safe_for_water_systems\" >Ist EVOH unbedenklich f\u00fcr Wassersysteme?<\/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\/de\/blog\/ppr-pipe\/oxygen-barrier-ppr-pipes-when-necessary\/#Do_barrier_layers_affect_flow_rate\" >Beeinflussen Sperrschichten die Durchflussrate?<\/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\/de\/blog\/ppr-pipe\/oxygen-barrier-ppr-pipes-when-necessary\/#Can_barrier_pipes_replace_corrosion_inhibitors\" >K\u00f6nnen Barriererohre Korrosionsinhibitoren ersetzen?<\/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\/de\/blog\/ppr-pipe\/oxygen-barrier-ppr-pipes-when-necessary\/#Are_barrier_pipes_harder_to_install\" >Sind Barriererohre schwieriger zu installieren?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\">Sauerstoffdichte PPR-Rohre sind erforderlich, wenn ein Rohrleitungssystem Metallteile enth\u00e4lt oder in geschlossenen Heizkreisl\u00e4ufen betrieben wird. Sie reduzieren das Eindringen von Sauerstoff, wodurch das Korrosionsrisiko gesenkt, die Systeme sauber gehalten und die langfristige Leistungsf\u00e4higkeit unterst\u00fctzt wird. Dieser Artikel erkl\u00e4rt, wann sie wichtig sind, wie sie funktionieren und wie man sie sinnvoll ausw\u00e4hlt.<\/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>Was ist eine Sauerstoffbarriere in PPR-Rohren?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Eine Sauerstoffsperre ist eine Schicht, die einigen PPR-Rohren hinzugef\u00fcgt wird, um die Sauerstoffdiffusion zu verlangsamen. Sauerstoff kann mit der Zeit durch die Rohrwandungen in Wassersysteme eindringen. In geschlossenen Heizsystemen reagiert Sauerstoff mit Metallteilen und verursacht Korrosion.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Drei wichtige Erkenntnisse:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Es begrenzt den Sauerstoffeintritt in Wassersysteme.<\/li>\n\n\n\n<li>Es hilft, Metallbauteile zu sch\u00fctzen.<\/li>\n\n\n\n<li>Es unterst\u00fctzt sauberere und langlebigere Heizsysteme.<\/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>Wie Sauerstoff in Heizsysteme gelangt<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Sauerstoff gelangt haupts\u00e4chlich durch Diffusion in das System. Selbst geschlossene Systeme k\u00f6nnen Sauerstoff durch die Rohrw\u00e4nde aufnehmen. Dies ist \u00fcblich in <a href=\"https:\/\/www.desopipe.com\/de\/blog\/ppr-pipe\/underground-water-systems-ppr-pipe\/\" target=\"_blank\" rel=\"noreferrer noopener\">Fu\u00dfboden- und Strahlungsheizungssysteme.<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Im Inneren reagiert Sauerstoff mit Stahlpumpen, Ventilen und Heizk\u00f6rpern. Rostpartikel zirkulieren dann, blockieren den Durchfluss und reduzieren die W\u00e4rmeleistung.<\/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>Was unterscheidet PPR-Rohre mit Sauerstoffbarriere von anderen Rohren?<\/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>Barriereschichtstruktur<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Viele Rohre enthalten eine PPR-Sauerstoffsperrschicht, die h\u00e4ufig aus EVOH besteht. Dieses Material weist eine geringe Sauerstoffdurchl\u00e4ssigkeit auf. Bei EVOH-Sauerstoffsperr-PPR-Rohren ist die Schicht zwischen zwei PPR-Schichten eingeklebt.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Material_Design\"><\/span><strong>Materialdesign<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Die Basis <a href=\"https:\/\/www.desopipe.com\/de\/blog\/ppr-pipe\/how-is-ppr-pipe-manufactured\/\" target=\"_blank\" rel=\"noreferrer noopener\">PPR-Material <\/a>Die bereits vorhandene geringe Durchl\u00e4ssigkeit wird durch die zus\u00e4tzliche Schicht weiter reduziert. Dies ist besonders vorteilhaft in Systemen mit langen Betriebszeiten.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"When_Oxygen_Barrier_Pipes_Are_Necessary\"><\/span><strong>Wann Sauerstoffsperrrohre erforderlich sind<\/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>Geschlossene Heizkreisl\u00e4ufe<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Dazu geh\u00f6ren Fu\u00dfboden- und Fl\u00e4chenheizungen. Durch die Wiederverwendung des Wassers reichert sich mit der Zeit Sauerstoff an. Ein PPR-Heizsystem mit Sperrschicht wird hier dringend empfohlen.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Systems_with_Metal_Components\"><\/span><strong>Systeme mit Metallkomponenten<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Bei Pumpen, Kesseln oder W\u00e4rmetauschern aus Metall ist die Sauerstoffkontrolle wichtig. Weniger Sauerstoff bedeutet weniger innere Korrosion.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Large_Buildings\"><\/span><strong>Gro\u00dfe Geb\u00e4ude<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">In Hotels, Krankenh\u00e4usern und B\u00fcros erh\u00f6hen lange Rohrleitungen das Expositionsrisiko. DESO stellt Durchflusstabellen und Druckverlustkurven auf Basis von Labortests bereit. Diese helfen Ingenieuren, Rohrleitungen korrekt zu dimensionieren und sauerstoffbedingte Risiken zu minimieren.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"When_They_May_Not_Be_Required\"><\/span><strong>Wann sie m\u00f6glicherweise nicht erforderlich sind<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">In Kaltwasserleitungen flie\u00dft das Wasser kontinuierlich. Sauerstoff kann nicht eingeschlossen werden., <a href=\"https:\/\/www.desopipe.com\/de\/product-category\/ppr-pipe\/standard-ppr-pipe\/\" target=\"_blank\" rel=\"noreferrer noopener\">Standard-PPR-Rohre<\/a> sind oft ausreichend.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Auch offene Systeme geben regelm\u00e4\u00dfig Sauerstoff ab. Barriereschichten bieten hier nur einen begrenzten Mehrwert.<\/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>Durchflussrate, Innenwandgl\u00e4tte und Systemeffizienz<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Die Oberfl\u00e4chenrauheit von Rohren beeinflusst Durchfluss und Druckverlust. DESO verwendet glatte Innenwandprofile aus Neuware. Dies reduziert die Reibung und tr\u00e4gt zu einem stabilen Durchfluss bei.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Eine stabile Kontrolle des Au\u00dfendurchmessers gew\u00e4hrleistet zudem gleichbleibende Verbindungen und eine vorhersehbare Leistung. Diese Faktoren sind insbesondere bei Heizkreisl\u00e4ufen mit langen Betriebszyklen von Bedeutung.<\/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>Die richtige Rohrleitung f\u00fcr Ihr Projekt ausw\u00e4hlen<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Die Auswahl sollte nicht allein auf den Barriereschichten basieren. Folgendes ist zu beachten:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Systemtyp (offen oder geschlossen)<\/li>\n\n\n\n<li>Vorhandensein von Metallteilen<\/li>\n\n\n\n<li>Rohrl\u00e4nge und Durchflussbedarf<\/li>\n\n\n\n<li>Verf\u00fcgbare Konstruktionsdaten<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">DESO unterst\u00fctzt die Systemplanung mit technischer Dokumentation, Katalogen und Designreferenzen. Diese Tools helfen Markenbetreibern und Installateuren, fundierte Entscheidungen zu treffen.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span><strong>Abschluss<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Sauerstoffdichte PPR-Rohre sind nicht immer erforderlich, aber in den richtigen Systemen sehr wertvoll. Heizungskreisl\u00e4ufe, Metallbauteile und gro\u00dfe Geb\u00e4ude profitieren am meisten davon. Mit den richtigen Daten und einer sorgf\u00e4ltigen Planung erm\u00f6glichen sie einen saubereren Betrieb und eine einfachere Wartung.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">DESO Pipe untermauert diese Entscheidungen mit gepr\u00fcften Durchflussdaten, Druckkurven und \u00fcbersichtlichen Systemleitf\u00e4den. Entdecken Sie die Sammlung von DESO Pipe. <a href=\"https:\/\/www.desopipe.com\/de\/product\/\" target=\"_blank\" rel=\"noreferrer noopener\">PPR-Rohre, Formst\u00fccke und <strong>PPR-Ventil<\/strong> L\u00f6sungen <\/a>um Ihr n\u00e4chstes Projekt mit Zuversicht anzugehen.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Frequently_Asked_Questions\"><\/span><strong>H\u00e4ufig gestellte Fragen&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>Ben\u00f6tigen alle Heizsysteme Sauerstoffsperrrohre?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Nein. Geschlossene Regelkreise profitieren am meisten. Offene Systeme ben\u00f6tigen sie in der Regel nicht.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Is_EVOH_safe_for_water_systems\"><\/span><strong>Ist EVOH unbedenklich f\u00fcr Wassersysteme?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ja. EVOH-Schichten werden h\u00e4ufig verwendet und sind vor Wasserkontakt gesch\u00fctzt.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Do_barrier_layers_affect_flow_rate\"><\/span><strong>Beeinflussen Sperrschichten die Durchflussrate?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Nein. Die Oberfl\u00e4chengl\u00e4tte der Innenwand hat einen gr\u00f6\u00dferen Einfluss auf das Str\u00f6mungsverhalten.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Can_barrier_pipes_replace_corrosion_inhibitors\"><\/span><strong>K\u00f6nnen Barriererohre Korrosionsinhibitoren ersetzen?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Sie verringern den Sauerstoffeintritt, ersetzen aber die chemische Behandlung nicht vollst\u00e4ndig.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Are_barrier_pipes_harder_to_install\"><\/span><strong>Sind Barriererohre schwieriger zu installieren?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Die Installation ist \u00e4hnlich wie bei Standard-PPR-Rohren.<\/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\/de\/contact\/\" style=\"background-color:#0588a7\" target=\"_blank\" rel=\"noreferrer noopener\">Kostenloses Angebot einholen<\/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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