{"id":2697,"date":"2025-10-02T12:49:28","date_gmt":"2025-10-02T11:49:28","guid":{"rendered":"https:\/\/www.pinovo.eu\/?post_type=begrippenlijst&#038;p=2697"},"modified":"2026-06-22T14:12:43","modified_gmt":"2026-06-22T13:12:43","slug":"korrosion-unter-isolierung-cui","status":"publish","type":"begrippenlijst","link":"https:\/\/www.pinovo.eu\/de\/definitions\/korrosion-unter-isolierung-cui\/","title":{"rendered":"Korrosion unter Isolierung (CUI)"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Korrosion unter Isolierung (CUI) ist die versteckte Korrosion, die auf Stahloberfl\u00e4chen entsteht, die mit thermischer Isolierung oder Brandschutzsystemen bedeckt sind. Sie wird durch eingeschlossene Feuchtigkeit, Kondensation oder das Eindringen von Chemikalien unter die Isolierung verursacht.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Wo tritt CUI auf?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">CUI ist ein kritisches Problem in:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><a href=\"https:\/\/www.pinovo.eu\/definitions\/oil-gas\/\">\u00d6l &amp; Gas<\/a><\/strong> \u2013 Offshore-Riser, Fackelausleger, Topside-Rohrleitungen.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/www.pinovo.eu\/definitions\/petrochemical-industry\/\">Petrochemischen<\/a> &amp; Chemiefabriken<\/strong> \u2013 Prozessbeh\u00e4lter, Reaktoren, isolierte Rohrleitungen.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/www.pinovo.eu\/definitions\/marine-maintenance\/\">Marine<\/a> &amp; <a href=\"https:\/\/www.pinovo.eu\/definitions\/offshore-wind\/\">Offshore-Wind<\/a><\/strong> \u2013 Deckfl\u00e4chen, Turmt\u00fcrme, Rumpfdetails.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/www.pinovo.eu\/definitions\/power-generation\/\">Stromerzeugung<\/a><\/strong> \u2013 Kessel, Turbinen und Hochtemperaturkomponenten.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">F\u00fcr Sie als Betreiber ist CUI besonders gef\u00e4hrlich, da sie oft unentdeckt bleibt, bis erheblicher Materialverlust oder Leckagen auftreten.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Zus\u00e4tzliche Erkl\u00e4rung<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ursachen<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Eindringen von Feuchtigkeit durch besch\u00e4digte Isolierung oder mangelhafte Abdichtung.<\/li>\n\n\n\n<li>Kondensation auf kalten Oberfl\u00e4chen.<\/li>\n\n\n\n<li>Chemisch belastete Atmosph\u00e4ren, die die versteckte Korrosion beschleunigen.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Folgen<\/strong>:<\/p>\n\n\n\n<ul id=\"block-2375a550-acc7-4054-9165-70b0fbe67388\" class=\"wp-block-list\">\n<li>Wanddickenverlust und Leckagen.<\/li>\n\n\n\n<li>Ungeplante Stillst\u00e4nde oder Sicherheitsvorf\u00e4lle.<\/li>\n\n\n\n<li>Hohe Kosten f\u00fcr die Entfernung und Neuinstallation von Isolierungen.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Standards wie API 570 und <a href=\"https:\/\/www.pinovo.eu\/definitions\/iso-12944\/\">ISO 19277<\/a> bieten Richtlinien f\u00fcr das Management von CUI.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Pinovo und CUI<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Die Vakuumstrahltechnologie von Pinovo hilft bei der Bek\u00e4mpfung von CUI, indem sie:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Isolierungen lokal entfernt und den freigelegten Stahl staubfrei strahlt.<\/li>\n\n\n\n<li>In <a href=\"https:\/\/www.pinovo.eu\/definitions\/atex\/\">ATEX-Zonen<\/a> arbeitet, in denen sich viele isolierte Rohrleitungen befinden.<\/li>\n\n\n\n<li>Inspektionen erm\u00f6glicht, indem Stahloberfl\u00e4chen f\u00fcr UT-Wanddickenmessungen gereinigt werden.<\/li>\n\n\n\n<li>Schnelle Nachbeschichtungen erm\u00f6glicht, um die weitere Entwicklung von CUI zu verhindern.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Pinovo entfernt oder installiert keine Isolierungen, sondern sorgt daf\u00fcr, dass von CUI betroffener Stahl sicher freigelegt, gereinigt und f\u00fcr eine sch\u00fctzende Beschichtung vorbereitet wird.<\/p>\n","protected":false},"template":"","meta":{"_acf_changed":false,"content-type":"","editor_notices":[]},"class_list":["post-2697","begrippenlijst","type-begrippenlijst","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>CUI \u2013 Corrosion Under Insulation | Pinovo<\/title>\n<meta name=\"description\" content=\"CUI is hidden corrosion beneath insulation. 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