{"id":197431,"date":"2022-05-09T14:01:44","date_gmt":"2022-05-09T12:01:44","guid":{"rendered":"https:\/\/bandelin.com\/?p=197431"},"modified":"2025-11-27T14:54:37","modified_gmt":"2025-11-27T13:54:37","slug":"pulizia-a-ultrasuoni-delle-valvole-agricole","status":"publish","type":"post","link":"https:\/\/bandelin.com\/it\/anwendungen\/ultraschall-reinigung-von-agr-ventilen\/","title":{"rendered":"Pulizia a ultrasuoni delle valvole EGR"},"content":{"rendered":"<div class=\"product\"><div class=\"product\"><p>Una valvola di ricircolo dei gas di scarico (EGR) viene utilizzata per ridurre le emissioni di ossido di azoto (NOx) in tutti i motori diesel a partire dallo standard di emissioni Euro 5. Ci\u00f2 si ottiene ricircolando i gas di scarico caldi nel condotto di aspirazione del motore. Ci\u00f2 si ottiene ricircolando i gas di scarico caldi nel condotto di aspirazione del motore. Questo abbassa la temperatura di combustione nel motore e riduce la formazione di ossidi di azoto.<\/p>\n<p>Lo svantaggio principale del ricircolo dei gas di scarico \u00e8 la vulnerabilit\u00e0 tecnica della valvola EGR, che regola l'apporto di gas di scarico nel flusso dell'aria di combustione. I residui di carburante come fuliggine, carbone dell'olio e olio incombusto entrano nel tratto di aspirazione con il ricircolo dei gas di scarico e possono limitare la manovrabilit\u00e0 meccanica della valvola o intasare le curve dei tubi. Il risultato \u00e8 un malfunzionamento della valvola EGR, che pu\u00f2 portare a un forte sviluppo di fuliggine, a una riduzione delle prestazioni del motore o a danni al motore.<\/p>\n<p>Per evitare gravi danni al motore, la valvola EGR deve essere pulita tempestivamente. Gli additivi per il carburante o i detergenti spray non possono essere d'aiuto con le valvole gi\u00e0 contaminate a causa dell'incrostazione ostinata e la valvola deve essere rimossa. Una pulizia efficace e approfondita viene effettuata nel bagno a ultrasuoni insieme a un concentrato detergente adatto. A seconda del grado di sporcizia, si raccomanda la rimozione manuale preliminare degli agglomerati di fuliggine grossolani con spatole di plastica o di legno. Dopo una pulizia senza residui, la valvola pu\u00f2 essere utilizzata di nuovo e si eliminano i costi di sostituzione elevati.<\/p>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Ein Abgasr\u00fcckf\u00fchrungs-Ventil (AGR) dient allen Dieselmotoren ab Euro-5-Abgasnorm zur Reduzierung der Stickoxidemissionen (NOx). Dies erfolgt durch die R\u00fcckf\u00fchrung von hei\u00dfen Abgasen in den Ansaugkanal des Motors. Dadurch wird die Verbrennungstemperatur im Motor gesenkt und die Stickoxidentstehung vermindert. Der gro\u00dfe Nachteil der Abgasr\u00fcckf\u00fchrung ist die technische Anf\u00e4lligkeit des AGR-Ventils, welches die Zuf\u00fchrung des Abgases in den [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":619564,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":true,"footnotes":""},"categories":[1891],"tags":[1913,1894,1909,1895,1955],"class_list":["post-197431","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-anwendungen","tag-industrie","tag-kfz","tag-metall","tag-reinigen","tag-wartung"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Ultraschall-Reinigung von AGR-Ventilen | BANDELIN electronic GmbH &amp; Co. 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