{"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":"2026-04-15T12:22:03","modified_gmt":"2026-04-15T11:22:03","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>Korrosion unter Isolierung (CUI) ist die versteckte Korrosion, die auf Stahloberfl\u00e4chen entsteht, die mit thermischer Isolierung oder Brandschutz bedeckt sind. Sie wird durch eingeschlossene Feuchtigkeit, Kondensation oder chemisches Eindringen unter der Isolierung verursacht.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Wo tritt CUI auf?<\/h2>\n\n\n\n<p>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, Fackelbooms, Oberleitungsrohre.<\/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, Turbint\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>F\u00fcr dich als Betreiber ist CUI gef\u00e4hrlich, da es oft unentdeckt bleibt, bis schwerer Metallverlust oder Lecks auftreten.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Zus\u00e4tzliche Erkl\u00e4rung<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Ursachen<\/strong>:\n<ul class=\"wp-block-list\">\n<li>Feuchtigkeitseindringen durch besch\u00e4digte Isolierung oder schlechte 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<\/li>\n<\/ul>\n\n\n\n<p><strong>Folgen<\/strong>:<\/p>\n\n\n\n<ul id=\"block-2375a550-acc7-4054-9165-70b0fbe67388\" class=\"wp-block-list\">\n<li>Wandverj\u00fcngung und Lecks.<\/li>\n\n\n\n<li>Ungeplante Abschaltungen oder Sicherheitsvorf\u00e4lle.<\/li>\n\n\n\n<li>Teure Isolierung, die entfernt und wieder installiert werden muss.<\/li>\n<\/ul>\n\n\n\n<p>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>Die Vakuumstrahlarbeiten von Pinovo helfen, CUI zu bek\u00e4mpfen, indem sie:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Isolierung lokal entfernen und den freigelegten Stahl staubfrei strahlen.<\/li>\n\n\n\n<li>In <a href=\"https:\/\/www.pinovo.eu\/definitions\/atex\/\">ATEX<\/a>-Zonen arbeiten, in denen viele isolierte Leitungen liegen.<\/li>\n\n\n\n<li>Inspektionen erm\u00f6glichen, indem Stahloberfl\u00e4chen f\u00fcr UT-Dickenmessungen gereinigt werden.<\/li>\n\n\n\n<li>Schnelle Nachbeschichtungen erm\u00f6glichen, um eine weitere CUI-Entwicklung zu verhindern.<\/li>\n<\/ul>\n\n\n\n<p>Pinovo entfernt oder installiert keine Isolierung, sondern sorgt daf\u00fcr, dass CUI-betroffener Stahl sicher freigelegt, gereinigt und f\u00fcr eine sch\u00fctzende Beschichtung vorbereitet wird.<\/p>\n\n\n\n<p><\/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 v27.3 - 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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