{"id":13462,"date":"2022-01-05T08:32:41","date_gmt":"2022-01-05T08:32:41","guid":{"rendered":"https:\/\/zecovalve.com\/application-of-three-eccentric-two-way-metal-seal-butterfly-valves-zeco-api-approved-valve-supplier.html"},"modified":"2022-11-19T00:15:53","modified_gmt":"2022-11-19T00:15:53","slug":"application-of-three-eccentric-two-way-metal-seal-butterfly-valves-zeco-api-approved-valve-supplier","status":"publish","type":"post","link":"https:\/\/zecovalve.com\/fr\/application-of-three-eccentric-two-way-metal-seal-butterfly-valves-zeco-api-approved-valve-supplier.html","title":{"rendered":"Application des vannes papillon \u00e0 triple excentration"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Qu&#039;est-ce que <strong><a href=\"https:\/\/zecovalve.com\/fr\/categorie-de-produits\/butterfly-valve\/triple-offset-butterfly-valve\/\"><mark style=\"background-color:var(--base)\" class=\"has-inline-color has-contrast-2-color\">Vanne papillon \u00e0 triple excentration<\/mark><\/a><\/strong>?<\/h2>\n\n\n\n<p>Une vanne papillon \u00e0 triple excentration poss\u00e8de trois excentrations distinctes. Deux d&#039;entre elles s&#039;appliquent \u00e0 l&#039;emplacement de l&#039;arbre par rapport \u00e0 la ligne centrale de l&#039;al\u00e9sage et \u00e0 la ligne centrale des surfaces d&#039;\u00e9tanch\u00e9it\u00e9 disque\/si\u00e8ge. Tandis que le troisi\u00e8me d\u00e9calage est la conception dans l&#039;axe de l&#039;angle du c\u00f4ne du si\u00e8ge.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">TECHNOLOGIE Triple Offset<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><mark style=\"background-color:var(--base)\" class=\"has-inline-color has-contrast-2-color\"><strong><a href=\"https:\/\/zecovalve.com\/fr\/categorie-de-produits\/butterfly-valve\/concentric-butterfly-valve\/\">D\u00e9calage z\u00e9ro<\/a><\/strong><\/mark>: Le disque tourne autour de l\u2019axe central, permettant une rotation potentielle de 360 degr\u00e9s. L&#039;\u00e9tanch\u00e9it\u00e9 est obtenue par le disque d\u00e9formant le joint souple. Il en r\u00e9sulte une friction totale tout au long du cycle de fonctionnement complet.<\/li>\n\n\n\n<li><strong>Double d\u00e9calage<\/strong>: Pour permettre le d\u00e9placement du si\u00e8ge, l&#039;arbre est d\u00e9cal\u00e9 par rapport \u00e0 la ligne centrale du si\u00e8ge du disque et du joint de corps (d\u00e9calage un) et \u00e0 la ligne centrale de l&#039;al\u00e9sage (d\u00e9calage deux). Cr\u00e9ant ainsi une action de came pendant le fonctionnement pour soulever le si\u00e8ge hors du joint. Il en r\u00e9sulte des frottements pendant les 10 premiers degr\u00e9s d&#039;ouverture et les 10 derniers degr\u00e9s de fermeture.<\/li>\n\n\n\n<li><strong>Triple d\u00e9calage<\/strong>: Le troisi\u00e8me d\u00e9calage est la conception g\u00e9om\u00e9trique des composants d&#039;\u00e9tanch\u00e9it\u00e9. Les composants d&#039;\u00e9tanch\u00e9it\u00e9 sont chacun usin\u00e9s selon un profil conique d\u00e9cal\u00e9, ce qui donne un c\u00f4ne \u00e0 angle droit, qui garantit une course sans frottement tout au long de son cycle de fonctionnement. Le contact ne s&#039;effectue qu&#039;au point final de fermeture, l&#039;angle de 90 degr\u00e9s faisant office de but\u00e9e m\u00e9canique. Cela n\u2019entra\u00eene aucune course excessive du si\u00e8ge du disque.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">LES AVANTAGES DES VANNES TRIPLE D\u00c9PORT<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>La conception d&#039;\u00e9tanch\u00e9it\u00e9 conique \u00e0 \u00ab action par came \u00bb et \u00ab \u00e0 angle droit \u00bb garantit que les composants d&#039;\u00e9tanch\u00e9it\u00e9 m\u00e9talliques ne sont jamais en contact jusqu&#039;\u00e0 leur degr\u00e9 de fermeture final. Cela se traduit par une \u00e9tanch\u00e9it\u00e9 reproductible et une dur\u00e9e de vie consid\u00e9rablement prolong\u00e9e de la vanne.<\/li>\n\n\n\n<li>L&#039;\u00e9tanch\u00e9it\u00e9 m\u00e9tal sur m\u00e9tal garantit une fermeture \u00e9tanche aux bulles, ce qui entra\u00eene une performance sans fuite.<\/li>\n\n\n\n<li>Convient aux fluides agressifs car la construction de la vanne ne contient aucun \u00e9lastom\u00e8re ni mat\u00e9riau g\u00e9n\u00e9ralement affect\u00e9 par la corrosion.<\/li>\n\n\n\n<li>La conception g\u00e9om\u00e9trique des composants d&#039;\u00e9tanch\u00e9it\u00e9 permet une course sans friction dans toute la vanne. Cela prolonge la dur\u00e9e de vie de la vanne et permet d&#039;installer un actionneur \u00e0 couple inf\u00e9rieur.<\/li>\n\n\n\n<li>Il n&#039;y a aucune cavit\u00e9 entre les composants d&#039;\u00e9tanch\u00e9it\u00e9, ce qui entra\u00eene l&#039;absence de colmatage, un entretien r\u00e9duit et une dur\u00e9e de vie prolong\u00e9e de la vanne.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-application-of-triple-offset-butterfly-valves\">Application des vannes papillon \u00e0 triple excentration<\/h2>\n\n\n\n<p>\u00c0 l&#039;heure actuelle, une vanne papillon, en tant que composant utilis\u00e9 pour r\u00e9aliser le contr\u00f4le marche-arr\u00eat et de d\u00e9bit des syst\u00e8mes de pipelines, est largement utilis\u00e9e dans les domaines du p\u00e9trole, de l&#039;industrie chimique, de la m\u00e9tallurgie, de l&#039;hydro\u00e9lectricit\u00e9 et dans d&#039;autres domaines. Dans la technologie des vannes papillon connue du public, sa forme d&#039;\u00e9tanch\u00e9it\u00e9 est principalement utilis\u00e9e dans la structure d&#039;\u00e9tanch\u00e9it\u00e9, dans les mat\u00e9riaux d&#039;\u00e9tanch\u00e9it\u00e9 comme le caoutchouc, le polyt\u00e9trafluoro\u00e9thyl\u00e8ne, etc. En raison de la limitation des caract\u00e9ristiques structurelles, elle ne convient pas aux temp\u00e9ratures \u00e9lev\u00e9es, aux pressions \u00e9lev\u00e9es, r\u00e9sistance \u00e0 la corrosion, r\u00e9sistance \u00e0 l&#039;usure et autres industries. Une vanne papillon existante plus avanc\u00e9e est une vanne papillon \u00e0 joint dur en m\u00e9tal \u00e0 trois excentriques, avec le corps de vanne et le si\u00e8ge de vanne comme \u00e9l\u00e9ments de connexion, la surface d&#039;\u00e9tanch\u00e9it\u00e9 du si\u00e8ge de vanne est soud\u00e9e avec des mat\u00e9riaux en alliage r\u00e9sistant aux hautes temp\u00e9ratures et \u00e0 la corrosion. La bague d&#039;\u00e9tanch\u00e9it\u00e9 multicouche souple empil\u00e9e est fix\u00e9e sur la plaque de soupape. Compar\u00e9 \u00e0 la vanne papillon traditionnelle, ce type de vanne papillon pr\u00e9sente une r\u00e9sistance aux temp\u00e9ratures \u00e9lev\u00e9es et est facile \u00e0 utiliser, sans friction lors de l&#039;ouverture et de la fermeture. De plus, la vanne papillon se ferme automatiquement lorsque le couple du m\u00e9canisme de transmission augmente pour compenser l&#039;\u00e9tanch\u00e9it\u00e9, ce qui am\u00e9liore les performances d&#039;\u00e9tanch\u00e9it\u00e9 et prolonge la dur\u00e9e de vie de la vanne papillon. Cependant, l&#039;utilisation de cette vanne papillon pose toujours les probl\u00e8mes suivants\u00a0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>1. Comme la bague d&#039;\u00e9tanch\u00e9it\u00e9 multicouche souple-dure qui se chevauche est fix\u00e9e sur la plaque de soupape lorsque la plaque de soupape est normalement ouverte, le milieu forme un affouillement frontal sur sa surface d&#039;\u00e9tanch\u00e9it\u00e9 et la ceinture d&#039;\u00e9tanch\u00e9it\u00e9 souple dans la couche interm\u00e9diaire de la t\u00f4le. est r\u00e9cur\u00e9, ce qui affecte directement les performances d&#039;\u00e9tanch\u00e9it\u00e9.<\/li>\n\n\n\n<li>2. Limit\u00e9e par les conditions structurelles, cette structure ne convient pas aux vannes d&#039;un diam\u00e8tre inf\u00e9rieur \u00e0 DN200, car la structure globale de la plaque de vanne est trop \u00e9paisse et la r\u00e9sistance \u00e0 l&#039;\u00e9coulement est \u00e9lev\u00e9e.<\/li>\n\n\n\n<li>3. En raison du principe d&#039;une structure \u00e0 trois excentriques, la surface d&#039;\u00e9tanch\u00e9it\u00e9 de la plaque de soupape et le si\u00e8ge entre le joint sont entra\u00een\u00e9s par le couple de pression de la plaque de soupape sur le si\u00e8ge. Dans l&#039;\u00e9tat de d\u00e9bit positif, plus la pression moyenne est \u00e9lev\u00e9e, plus l&#039;extrusion d&#039;\u00e9tanch\u00e9it\u00e9 sera serr\u00e9e. Lorsque le fluide s&#039;\u00e9coule vers le haut, la pression du fluide augmente, ce qui entra\u00eene une valeur de pression positive entre le disque et le si\u00e8ge inf\u00e9rieure \u00e0 la pression du fluide et le joint commence \u00e0 fuir.&nbsp;<\/li>\n<\/ul>\n\n\n\n<p>La vanne papillon \u00e0 \u00e9tanch\u00e9it\u00e9 dure bidirectionnelle \u00e0 trois excentriques hautes performances se caract\u00e9rise en ce que la bague d&#039;\u00e9tanch\u00e9it\u00e9 du si\u00e8ge est compos\u00e9e de deux couches de plaques d&#039;acier inoxydable des deux c\u00f4t\u00e9s de la bague d&#039;\u00e9tanch\u00e9it\u00e9 souple en forme de T. La surface d&#039;\u00e9tanch\u00e9it\u00e9 de la plaque de soupape et du si\u00e8ge de soupape est une structure conique inclin\u00e9e, et le mat\u00e9riau en alliage r\u00e9sistant aux temp\u00e9ratures \u00e9lev\u00e9es et \u00e0 la corrosion est soud\u00e9 en surface sur la surface conique inclin\u00e9e de la plaque de soupape. Le ressort fix\u00e9 entre la plaque de pression de la bague de r\u00e9glage et l&#039;ensemble boulon de r\u00e9glage sur la plaque de pression sont dispos\u00e9s ensemble. Cette structure compense efficacement la ceinture de tol\u00e9rance entre le manchon d&#039;arbre et le corps de vanne et la d\u00e9formation \u00e9lastique de la tige de vanne sous la pression du fluide et r\u00e9sout le probl\u00e8me d&#039;\u00e9tanch\u00e9it\u00e9 du <strong>soupape<\/strong> dans le processus de transport moyen interchangeable bidirectionnel.<\/p>\n\n\n\n<p>L&#039;utilisation de deux c\u00f4t\u00e9s souples de type T de la bague d&#039;\u00e9tanch\u00e9it\u00e9 en t\u00f4le d&#039;acier inoxydable multicouche pr\u00e9sente le double avantage d&#039;un joint en m\u00e9tal dur et d&#039;un joint souple et, quelles que soient les basses et les hautes temp\u00e9ratures, a des performances d&#039;\u00e9tanch\u00e9it\u00e9 nulles.<\/p>\n\n\n\n<p>Le test prouve que lorsque la piscine est dans un \u00e9tat de d\u00e9bit positif (le sens d&#039;\u00e9coulement du fluide est le m\u00eame que le sens de rotation du papillon <strong>soupape<\/strong> plaque), la pression sur la surface d&#039;\u00e9tanch\u00e9it\u00e9 est g\u00e9n\u00e9r\u00e9e par le couple du dispositif de transmission et l&#039;action de la pression moyenne sur la plaque de soupape. Lorsque la pression moyenne positive augmente, plus l&#039;extrusion entre le <strong>soupape<\/strong> La surface conique oblique de la plaque et la surface d&#039;\u00e9tanch\u00e9it\u00e9 du si\u00e8ge sont meilleures, meilleur est l&#039;effet d&#039;\u00e9tanch\u00e9it\u00e9.<\/p>\n\n\n\n<p>En flux inverse, le joint entre le disque et le si\u00e8ge force le disque contre le si\u00e8ge par le couple du dispositif d&#039;entra\u00eenement. Avec l&#039;augmentation de la pression moyenne inverse, la pression positive de l&#039;unit\u00e9 entre le <strong>soupape<\/strong> la plaque et le si\u00e8ge sont inf\u00e9rieurs \u00e0 la pression moyenne, et le ressort de l&#039;anneau de r\u00e9glage dans la charge apr\u00e8s le stockage de la d\u00e9formation peut compenser l&#039;\u00e9tanch\u00e9it\u00e9, la pression serr\u00e9e du <strong>soupape<\/strong> la surface d&#039;\u00e9tanch\u00e9it\u00e9 de la plaque et du si\u00e8ge joue un r\u00f4le de compensation automatique. Par cons\u00e9quent, le mod\u00e8le d&#039;utilit\u00e9 n&#039;est pas comme la technologie existante, qui installe la bague d&#039;\u00e9tanch\u00e9it\u00e9 multicouche souple et dure sur la plaque de vanne, mais l&#039;installe directement sur le corps de vanne, et l&#039;ajout de la bague de r\u00e9glage entre la plaque de pression et le si\u00e8ge est une mani\u00e8re d&#039;\u00e9tanch\u00e9it\u00e9 dure bidirectionnelle tr\u00e8s id\u00e9ale. Il remplacera le portail <strong>soupapes<\/strong> et un globe <strong>soupapes<\/strong>.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"480\" src=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/butterfly-valve.jpg\" alt=\"\" class=\"wp-image-16875\" title=\"Application de trois vannes papillon excentriques \u00e0 deux voies \u00e0 joint m\u00e9tallique\" srcset=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/butterfly-valve.jpg 640w, https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/butterfly-valve-300x225.jpg 300w, https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/butterfly-valve-600x450.jpg 600w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/figure>\n<\/div>\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\/thermoplastic-materials-as-valve-seat.html\/\">Mat\u00e9riaux thermoplastiques comme si\u00e8ge de robinet \u00e0 tournant sph\u00e9rique et si\u00e8ge de vanne papillon<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/fr\/categorie-de-produits\/butterfly-valve\/\">Fabricant de vannes papillon \u2013 Diff\u00e9rents types de vannes papillon<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/fr\/product-tag\/butterfly-valve-wafer-type\/\">Vanne papillon de type plaquette<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/fr\/product-tag\/wafer-type-butterfly-valve\/\">Vanne papillon de type plaquette - 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Zeco | Fournisseur de vannes approuv\u00e9 par l&#039;API<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/fr\/new-materials-for-the-products-of-zeco-zeco-api-approved-valve-supplier.html\/\">Nouveaux mat\u00e9riaux pour les produits de Zeco \u2013 Zeco | Fournisseur de vannes approuv\u00e9 par API<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/fr\/reasons-and-treatments-when-valves-can-not-be-closed-tight-zeco-api-approved-valve-supplier.html\/\">Raisons et traitements lorsque les vannes ne peuvent pas \u00eatre ferm\u00e9es herm\u00e9tiquement \u2013 Zeco | Fournisseur de vannes approuv\u00e9 par API<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Qu&#039;est-ce que la vanne papillon \u00e0 triple excentration\u00a0? Une vanne papillon \u00e0 triple excentration poss\u00e8de trois excentrations distinctes. Deux d\u2019entre eux s\u2019appliquent \u00e0 l\u2019emplacement de\u2026 <a title=\"Application des vannes papillon \u00e0 triple excentration\" class=\"read-more\" href=\"https:\/\/zecovalve.com\/fr\/application-of-three-eccentric-two-way-metal-seal-butterfly-valves-zeco-api-approved-valve-supplier.html\" aria-label=\"Plus sur Application des Vannes Papillon Triple Offset\">Lire plus<\/a><\/p>","protected":false},"author":2,"featured_media":15337,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","kt_blocks_editor_width":"","footnotes":""},"categories":[1],"tags":[3657,2519,2211,2871,2184,3242,3243],"class_list":["post-13462","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","tag-center-line-butterfly-valve","tag-concentric-butterfly-valve","tag-double-offset-butterfly-valve","tag-double-offset-flanged-butterfly-valve","tag-triple-offset-butterfly-valve","tag-triple-offset-butterfly-valve-manufacturer","tag-triple-offset-butterfly-valve-manufacturers","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"featured_image_src_large":["https:\/\/zecovalve.com\/wp-content\/uploads\/2021\/12\/\u51f8\u8033\u8776\u9600C95800-1-768x1024.jpg",768,1024,true],"author_info":{"display_name":"Jerry","author_link":"https:\/\/zecovalve.com\/fr\/author\/jerry"},"comment_info":0,"category_info":[{"term_id":1,"name":"Uncategorized","slug":"uncategorized","term_group":0,"term_taxonomy_id":1,"taxonomy":"category","description":"","parent":0,"count":452,"filter":"raw","cat_ID":1,"category_count":452,"category_description":"","cat_name":"Uncategorized","category_nicename":"uncategorized","category_parent":0}],"tag_info":[{"term_id":3657,"name":"Center line Butterfly Valve","slug":"center-line-butterfly-valve","term_group":0,"term_taxonomy_id":3657,"taxonomy":"post_tag","description":"<!-- wp:kadence\/tableofcontents {\"uniqueID\":\"_e4c4a1-9b\"} \/-->\r\n\r\n<!-- wp:generateblocks\/button-container {\"uniqueId\":\"6d8495a3\",\"isDynamic\":true,\"blockVersion\":2} -->\r\n<!-- wp:generateblocks\/button {\"uniqueId\":\"3d442e11\",\"hasUrl\":true,\"target\":true,\"backgroundColor\":\"#0366d6\",\"textColor\":\"#ffffff\",\"backgroundColorHover\":\"#222222\",\"textColorHover\":\"#ffffff\",\"paddingTop\":\"15\",\"paddingRight\":\"20\",\"paddingBottom\":\"15\",\"paddingLeft\":\"20\"} -->\r\n<a class=\"gb-button gb-button-3d442e11 gb-button-text\" href=\"mailto:commercial@zecovalve.com\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>GET CENTERLINE BUTTERFLY VALVE PRICE<\/strong><\/a>\r\n<!-- \/wp:generateblocks\/button -->\r\n<!-- \/wp:generateblocks\/button-container -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nA resilient seated butterfly valve with superior design features and materials of construction to provide repeatable tight shutoff in severe abrasive and corrosive environments for a variety of applications.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading -->\r\n<h2>Standard of Centerline Butterfly Valve<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:list -->\r\n<ul>\r\n \t<li>Flange Standard.:DIN2501, BS10-D, BS4504, ANSI B16.1, B16.42, JIS B2239<\/li>\r\n \t<li>Valve Tested: API598<\/li>\r\n \t<li>Face to Face: DIN3202-K1, EN558-1 20 SERIES, BS5155, MSS SP-67<\/li>\r\n<\/ul>\r\n<!-- \/wp:list -->\r\n\r\n<!-- wp:heading -->\r\n<h2>Material of Centerline Butterfly Valve<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:table -->\r\n<figure class=\"wp-block-table\">\r\n<table>\r\n<tbody>\r\n<tr>\r\n<td><strong>o<\/strong><\/td>\r\n<td><strong>Parts Name<\/strong><\/td>\r\n<td><strong>Material<\/strong><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>1<\/td>\r\n<td>Body<\/td>\r\n<td>C.I. \/ D.I. \/ C.S.\u00a0\/ S.S.<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>2<\/td>\r\n<td>Disc<\/td>\r\n<td>A536 60-40-18 \/ CF8 \/ CF8M \/ Br \/ AI-Br<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>3<\/td>\r\n<td>Seat<\/td>\r\n<td>NBR \/ EPDM \/ VITON \/ PTFE<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>4<\/td>\r\n<td>Stem<\/td>\r\n<td>SS410 \/ SS304 \/ SS216<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>5<\/td>\r\n<td>Pin<\/td>\r\n<td>SS304 \/ SS316<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>6<\/td>\r\n<td>Bushing<\/td>\r\n<td>PTFE \/ Bronze<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>7<\/td>\r\n<td>O-Ring<\/td>\r\n<td>NBR \/ EPDM \/ VITON<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>8<\/td>\r\n<td>Key<\/td>\r\n<td>Carbon Steel \/ SUS304 \/ SUS316<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/figure>\r\n<!-- \/wp:table -->\r\n\r\n<!-- wp:heading -->\r\n<h2>Design Features of Centerline Butterfly Valve<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:heading {\"level\":3} -->\r\n<h3>Corrosion Resistance<\/h3>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nWith Centerline Butterfly Valves only two parts of the valve come in contact with the medium. This means that neither the body nor mechanical parts such as the shaft are exposed to the corrosive environment.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThe only two parts in contact with the medium are the body lining and the disc. These are available in a selection of materials so that a suitable corrosion-resistant combination can be chosen for most any application.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading {\"level\":3} -->\r\n<h3>Bi-directional Shutoff<\/h3>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nCenterline Butterfly Valves are liquid and gas-tight in both flow directions. The disc presses with uniform compression into the elastic cartridge seat over the entire circumference of the valve.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading {\"level\":3} -->\r\n<h3>Replaceable Seat<\/h3>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThe replaceable seat consists of a reinforced backup ring, on which the elastomer seat material is vulcanized. When mounting the valve between the pipe flanges this stable seat cannot be deformed or displaced. The cartridge design also prevents deformation when the valve is cycled, such as stretching and bulging of the elastomer in front of the moving disc.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThe fixed connection between the elastomer and the backup ring allows the use of the valve in a full vacuum and high flow velocities. The slightly protruding sealing lip of the seat also serves as the flange seal.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading -->\r\n<h2 id=\"h-features-of-centerline-butterfly-valve\">Features of Centerline Butterfly Valve<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:list -->\r\n<ul>\r\n \t<li>Suitable for both gaseous and liquid service<\/li>\r\n \t<li>Phenolic Backed Seat for superior sealing and long term use<\/li>\r\n \t<li>Single-piece stem design assures even torque distribution<\/li>\r\n \t<li>Positive shutoff bi-directionally<\/li>\r\n \t<li>Direct mount automation<\/li>\r\n<\/ul>\r\n<!-- \/wp:list -->\r\n\r\n<!-- wp:heading -->\r\n<h2>Applications of Centerline Butterfly Valve<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:list -->\r\n<ul>\r\n \t<li>HVAC<\/li>\r\n \t<li>Chemical\/Petrochemical Processing<\/li>\r\n \t<li>Food and Beverage<\/li>\r\n \t<li>Power and Utilities<\/li>\r\n \t<li>Pulp and Paper<\/li>\r\n<\/ul>\r\n<!-- \/wp:list -->","parent":0,"count":12,"filter":"raw"},{"term_id":2519,"name":"Concentric Butterfly Valve","slug":"concentric-butterfly-valve","term_group":0,"term_taxonomy_id":2519,"taxonomy":"post_tag","description":"","parent":0,"count":5,"filter":"raw"},{"term_id":2211,"name":"Double Offset butterfly valve","slug":"double-offset-butterfly-valve","term_group":0,"term_taxonomy_id":2211,"taxonomy":"post_tag","description":"","parent":0,"count":7,"filter":"raw"},{"term_id":2871,"name":"Double offset flanged butterfly valve","slug":"double-offset-flanged-butterfly-valve","term_group":0,"term_taxonomy_id":2871,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"},{"term_id":2184,"name":"triple offset butterfly valve","slug":"triple-offset-butterfly-valve","term_group":0,"term_taxonomy_id":2184,"taxonomy":"post_tag","description":"","parent":0,"count":8,"filter":"raw"},{"term_id":3242,"name":"triple offset butterfly valve manufacturer","slug":"triple-offset-butterfly-valve-manufacturer","term_group":0,"term_taxonomy_id":3242,"taxonomy":"post_tag","description":"","parent":0,"count":2,"filter":"raw"},{"term_id":3243,"name":"triple offset butterfly valve manufacturers","slug":"triple-offset-butterfly-valve-manufacturers","term_group":0,"term_taxonomy_id":3243,"taxonomy":"post_tag","description":"","parent":0,"count":2,"filter":"raw"}],"taxonomy_info":{"category":[{"value":1,"label":"Uncategorized"}],"post_tag":[{"value":3657,"label":"Center line Butterfly Valve"},{"value":2519,"label":"Concentric Butterfly Valve"},{"value":2211,"label":"Double Offset butterfly valve"},{"value":2871,"label":"Double offset flanged butterfly valve"},{"value":2184,"label":"triple offset butterfly valve"},{"value":3242,"label":"triple offset butterfly valve manufacturer"},{"value":3243,"label":"triple offset butterfly valve manufacturers"}]},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Application of Triple Offset Butterfly Valves | 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\/application-of-three-eccentric-two-way-metal-seal-butterfly-valves-zeco-api-approved-valve-supplier.html\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Application of Triple Offset Butterfly Valves | ZECO Valve\" \/>\n<meta property=\"og:description\" content=\"What is Triple Offset Butterfly Valve? A triple-offset butterfly valve has three separate offsets. Two of these apply to the location of ... 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