{"id":16532,"date":"2022-06-21T07:16:34","date_gmt":"2022-06-21T07:16:34","guid":{"rendered":"https:\/\/zecovalve.com\/?p=16532"},"modified":"2022-06-21T07:16:35","modified_gmt":"2022-06-21T07:16:35","slug":"sealing-principle-of-double-eccentric-butterfly-valve","status":"publish","type":"post","link":"https:\/\/zecovalve.com\/fr\/sealing-principle-of-double-eccentric-butterfly-valve.html","title":{"rendered":"Principe d&#039;\u00e9tanch\u00e9it\u00e9 de la vanne papillon double excentrique"},"content":{"rendered":"<p>La vanne papillon \u00e0 double excentrique est g\u00e9n\u00e9ralement appel\u00e9e vanne papillon haute performance, qui est encore am\u00e9lior\u00e9e sur la base d&#039;une vanne papillon excentrique simple, et est actuellement la vanne papillon la plus largement utilis\u00e9e.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-1-sealing-principle-of-double-eccentric-butterfly-valve\"><strong>1. Principe d&#039;\u00e9tanch\u00e9it\u00e9 de&nbsp;<\/strong><strong>vanne papillon double excentrique<\/strong><\/h2>\n\n\n\n<p>\u00c9tant donn\u00e9 que le centre de rotation de la plaque de vanne (c&#039;est-\u00e0-dire le centre de l&#039;arbre de vanne) et la ligne centrale du corps de vanne forment une dimension d\u00e9cal\u00e9e sur la base d&#039;une seule vanne papillon \u00e0 \u00e9tanch\u00e9it\u00e9 excentrique, la surface d&#039;\u00e9tanch\u00e9it\u00e9 de la plaque de vanne sera compl\u00e8tement s\u00e9par\u00e9e. de la surface d&#039;\u00e9tanch\u00e9it\u00e9 du si\u00e8ge lorsque la vanne papillon \u00e0 double \u00e9tanch\u00e9it\u00e9 excentrique est \u00e0 l&#039;\u00e9tat compl\u00e8tement ouvert, et un espace plus grand sera form\u00e9 entre la face d&#039;\u00e9tanch\u00e9it\u00e9 du disque et la face d&#039;\u00e9tanch\u00e9it\u00e9 du si\u00e8ge que celui entre la vanne papillon \u00e0 \u00e9tanch\u00e9it\u00e9 excentrique unique pour r\u00e9duire le usure m\u00e9canique et rayures entre la surface d&#039;\u00e9tanch\u00e9it\u00e9 de la paire d&#039;\u00e9tanch\u00e9it\u00e9 de la vanne papillon lorsque la plaque de vanne est ouverte et ferm\u00e9e.<\/p>\n\n\n\n<p>G\u00e9n\u00e9ralement, la surface d&#039;\u00e9tanch\u00e9it\u00e9 de la plaque de soupape peut \u00eatre compl\u00e8tement retir\u00e9e de la surface d&#039;\u00e9tanch\u00e9it\u00e9 du si\u00e8ge lorsque la plaque de soupape est tourn\u00e9e de 0\u00b0 \u00e0 8\u00b0 \u00e0 12\u00b0, de sorte que l&#039;usure m\u00e9canique relative et l&#039;angle d&#039;extrusion entre la plaque de soupape et la surface d&#039;\u00e9tanch\u00e9it\u00e9 du si\u00e8ge de vanne sera plus courte lors du processus d&#039;ouverture et de fermeture de la vanne papillon, ce qui entra\u00eenera une r\u00e9duction de l&#039;usure m\u00e9canique et de la d\u00e9formation par extrusion, ainsi qu&#039;une am\u00e9lioration des performances d&#039;\u00e9tanch\u00e9it\u00e9 de la vanne papillon.<\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/fr\/products\/double-offset-butterfly-valve.html\/\">Vanne papillon double excentrique<\/a>&nbsp;est principalement utilis\u00e9 dans les usines d&#039;eau, les centrales \u00e9lectriques, la fonte d&#039;acier, le g\u00e9nie chimique, l&#039;ing\u00e9nierie des sources d&#039;eau, la construction d&#039;installations environnementales et d&#039;autres syst\u00e8mes de drainage. Il est particuli\u00e8rement adapt\u00e9 aux canalisations de cours d\u2019eau comme \u00e9quipement de r\u00e9glage et de fermeture. Par rapport \u00e0 la vanne papillon \u00e0 ligne centrale, la vanne papillon \u00e0 double excentrique est plus r\u00e9sistante \u00e0 la haute pression avec une dur\u00e9e de vie plus longue et une meilleure stabilit\u00e9. Par rapport aux autres vannes, plus le diam\u00e8tre est grand, plus le mat\u00e9riau est l\u00e9ger et plus le co\u00fbt est bas.<\/p>\n\n\n\n<p>Les vannes papillon double excentrique fabriqu\u00e9es par ZECO Valve Group peuvent \u00eatre utilis\u00e9es comme dispositif d&#039;ouverture et de fermeture et peuvent \u00eatre converties en vanne papillon horizontale. Bienvenue \u00e0 acheter chez nous si vous \u00eates int\u00e9ress\u00e9 par nos produits\u00a0!<\/p>\n\n\n\n<!-- Andy:h-related-tags -->\n<h2 id=\"h-related-tags\">Balises associ\u00e9es :<\/h2>\n<!-- \/Andy:h-related-tags -->\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/fr\/\">Soupape ZECO<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/fr\/introduction-of-epdm-nbr-butterfly-valve-seat-industrial-valve-information-news-zeco-valve.html\/\">Robinet \u00e0 papillon NBR<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/fr\/gate-valve-problems.html\/\">R\u00e9paration de vannes \u00e0 vanne<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/fr\/what-is-an-axial-flow-silent-check-valve.html\/\">Qu'est-ce qu'un clapet anti-retour axial ?<\/a>\n\n<\/div>\n\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/fr\/produit\/manual-gate-valve\/\">Fabricant de robinets-vannes \u00e0 commande manuelle<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/fr\/the-function-of-globe-valve-in-pipeline-system.html\/\">Que sont les vannes \u00e0 soupape\u00a0?<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/fr\/tag\/shanghai-pressure-reducing-valve-factory\/\">Usine de soupapes de r\u00e9duction de pression de Shanghai<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/fr\/difference-between-gate-valve-and-butterfly-valve.html\/\">Diff\u00e9rence entre la vanne \u00e0 vanne et la vanne papillon<\/a>\n\n<\/div>","protected":false},"excerpt":{"rendered":"<p>La vanne papillon \u00e0 double excentrique est g\u00e9n\u00e9ralement appel\u00e9e vanne papillon haute performance, qui est encore am\u00e9lior\u00e9e sur la base d&#039;un papillon simple excentrique\u2026 <a title=\"Principe d&#039;\u00e9tanch\u00e9it\u00e9 de la vanne papillon double excentrique\" class=\"read-more\" href=\"https:\/\/zecovalve.com\/fr\/sealing-principle-of-double-eccentric-butterfly-valve.html\" aria-label=\"Plus sur Principe d&#039;\u00e9tanch\u00e9it\u00e9 d&#039;une vanne papillon double excentrique\">Lire plus<\/a><\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","kt_blocks_editor_width":"","footnotes":""},"categories":[2210],"tags":[1957,2301,2255,2302],"class_list":["post-16532","post","type-post","status-publish","format-standard","hentry","category-butterfly-valve","tag-butterfly-valve","tag-double-eccentric-butterfly-valve","tag-high-performance-butterfly-valve-2","tag-single-eccentric-butterfly-valve","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"featured_image_src_large":false,"author_info":{"display_name":"Jerry","author_link":"https:\/\/zecovalve.com\/fr\/author\/jerry"},"comment_info":0,"category_info":[{"term_id":2210,"name":"Butterfly Valve","slug":"butterfly-valve","term_group":0,"term_taxonomy_id":2210,"taxonomy":"category","description":"","parent":0,"count":49,"filter":"raw","cat_ID":2210,"category_count":49,"category_description":"","cat_name":"Butterfly Valve","category_nicename":"butterfly-valve","category_parent":0}],"tag_info":[{"term_id":1957,"name":"butterfly valve","slug":"butterfly-valve","term_group":0,"term_taxonomy_id":1957,"taxonomy":"post_tag","description":"","parent":0,"count":30,"filter":"raw"},{"term_id":2301,"name":"double eccentric butterfly valve","slug":"double-eccentric-butterfly-valve","term_group":0,"term_taxonomy_id":2301,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"},{"term_id":2255,"name":"high performance butterfly valve","slug":"high-performance-butterfly-valve-2","term_group":0,"term_taxonomy_id":2255,"taxonomy":"post_tag","description":"","parent":0,"count":5,"filter":"raw"},{"term_id":2302,"name":"single eccentric butterfly valve","slug":"single-eccentric-butterfly-valve","term_group":0,"term_taxonomy_id":2302,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"}],"taxonomy_info":{"category":[{"value":2210,"label":"Butterfly Valve"}],"post_tag":[{"value":1957,"label":"butterfly valve"},{"value":2301,"label":"double eccentric butterfly valve"},{"value":2255,"label":"high performance butterfly valve"},{"value":2302,"label":"single eccentric butterfly valve"}]},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Sealing principle of double eccentric butterfly valve - ZECO Valve<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/zecovalve.com\/fr\/sealing-principle-of-double-eccentric-butterfly-valve.html\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Sealing principle of double eccentric butterfly valve - ZECO Valve\" \/>\n<meta property=\"og:description\" content=\"Double eccentric butterfly valve is usually called high performance butterfly valve, which is further improved on the basis of single eccentric butterfly ... 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