{"id":4416,"date":"2021-12-29T07:12:23","date_gmt":"2021-12-29T07:12:23","guid":{"rendered":"https:\/\/zecovalve.com\/some-knowledge-of-flanged-center-line-butterfly-valve.html"},"modified":"2022-08-15T02:57:12","modified_gmt":"2022-08-15T02:57:12","slug":"some-knowledge-of-flanged-center-line-butterfly-valve","status":"publish","type":"post","link":"https:\/\/zecovalve.com\/fr\/some-knowledge-of-flanged-center-line-butterfly-valve.html","title":{"rendered":"Vanne papillon \u00e0 ligne centrale \u00e0 double bride \u2013 Vanne papillon concentrique"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Que sont <strong><mark style=\"background-color:var(--base)\" class=\"has-inline-color has-contrast-2-color\"><a href=\"https:\/\/zecovalve.com\/fr\/produit\/wafer-butterfly-valve\/\" target=\"_blank\" rel=\"noreferrer noopener\">Vannes papillon centr\u00e9es<\/a><\/mark><\/strong>?<\/h2>\n\n\n\n<p>Les vannes papillon centriques sont principalement utilis\u00e9es dans la construction d\u2019installations situ\u00e9es \u00e0 l\u2019int\u00e9rieur de b\u00e2timents ferm\u00e9s. Ce type de vanne papillon d\u00e9montre ici ses avantages, car son prix est plus avantageux et n\u00e9cessite moins d&#039;espace qu&#039;une vanne papillon \u00e0 brides.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"330\" height=\"300\" src=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/wafer-butterfly-valve.jpg\" alt=\"Vanne papillon \u00e0 Wafer\" class=\"wp-image-16939\" srcset=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/wafer-butterfly-valve.jpg 330w, https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/wafer-butterfly-valve-300x273.jpg 300w\" sizes=\"auto, (max-width: 330px) 100vw, 330px\" \/><\/figure>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\">Caract\u00e9ristiques des vannes papillon concentriques<\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>Convient au service gazeux et liquide<\/li><li>Arr\u00eat positif bidirectionnel<\/li><li>Automatisation du montage direct<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Applications des vannes papillon Centerline<\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>CVC<\/li><li>Traitement chimique\/p\u00e9trochimique<\/li><li>Nourriture et boisson<\/li><li>\u00c9nergie et services publics<\/li><li>P\u00e2tes et papiers<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-what-is-a-double-flanged-center-line-butterfly-valve\">Qu&#039;est-ce qu&#039;un <strong><mark style=\"background-color:var(--base)\" class=\"has-inline-color has-contrast-2-color\"><a href=\"https:\/\/zecovalve.com\/fr\/produit\/flanged-butterfly-valve\/\" target=\"_blank\" rel=\"noreferrer noopener\">Vanne papillon \u00e0 double bride \u00e0 axe central<\/a><\/mark><\/strong>?<\/h2>\n\n\n\n<p>Vanne papillon \u00e0 double bride utilis\u00e9e pour la r\u00e9gulation et la section de d\u00e9bit dans les installations d&#039;approvisionnement en eau, la plomberie, l&#039;irrigation, etc. Elle a une faible perte de charge gr\u00e2ce \u00e0 une conception hydrodynamique du disque, elle est \u00e9tanche 100% et ne n\u00e9cessite aucun joint pour \u00eatre install\u00e9e.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/flanged-concentric-butterfly-valve-with-electric-actuator.png\" alt=\"\" class=\"wp-image-17359\" width=\"300\" height=\"225\" srcset=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/flanged-concentric-butterfly-valve-with-electric-actuator.png 600w, https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/flanged-concentric-butterfly-valve-with-electric-actuator-300x225.png 300w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/figure>\n<\/div>\n\n\n<p><span style=\"font-size: medium;\">Selon diff\u00e9rentes formes structurelles, il peut \u00eatre divis\u00e9 en vanne papillon de ligne m\u00e9diane, vanne papillon \u00e0 simple excentricit\u00e9, vanne papillon \u00e0 double excentricit\u00e9,<\/span> et vanne papillon \u00e0 trois excentricit\u00e9s. La vanne papillon de la ligne m\u00e9diane est g\u00e9n\u00e9ralement scell\u00e9e avec un joint souple. Vanne papillon excentrique avec joint dur. La vanne papillon \u00e0 trois excentriques est actuellement la vanne la plus performante, les deux vannes papillon \u00e0 \u00e9tanch\u00e9it\u00e9 souple ont d&#039;excellentes performances d&#039;\u00e9tanch\u00e9it\u00e9 et les vannes papillon \u00e0 \u00e9tanch\u00e9it\u00e9 dure ont une temp\u00e9rature et une pression \u00e9lev\u00e9es.<span style=\"font-size: medium;\"> caract\u00e9ristiques de r\u00e9sistance \u00e0 la corrosion.<\/span><\/p>\n\n\n\n<p><span style=\"font-size: medium;\">Selon les diff\u00e9rentes formes de connexion, il peut \u00eatre divis\u00e9 en vanne papillon double, vanne papillon \u00e0 brides, vanne papillon soud\u00e9e, vanne papillon \u00e0 vis, vanne papillon \u00e0 pince, etc. Alors, savez-vous comment c&#039;est arriv\u00e9 ?<\/span><\/p>\n\n\n\n<p><span style=\"font-size: medium;\">Nous sommes un fournisseur professionnel de vannes papillon \u00e0 bride centrale, nous fournissons des vannes papillon \u00e0 bride centrale, bienvenue \u00e0 nous contacter\u00a0!<\/span><\/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\/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\/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\/difference-between-gate-valve-and-butterfly-valve.html\/\">Diff\u00e9rence entre la vanne \u00e0 vanne et la vanne papillon<\/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<p>Dix articles avant et apr\u00e8s<\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/fr\/notes-for-use-of-cast-iron-butterfly-valves.html\/\">Notes d&#039;utilisation des vannes papillon en fonte<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/fr\/why-should-the-stop-valve-be-low-in-and-high.html\/\">Pourquoi la vanne d&#039;arr\u00eat devrait-elle \u00eatre basse et haute ?<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/fr\/whats-the-difference-between-cast-iron-valve-and-cast-steel-valve.html\/\">Quelle est la diff\u00e9rence entre une vanne en fonte et une vanne en acier moul\u00e9<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/fr\/what-is-a-10k-elastic-deat-gate-valve.html\/\">Qu&#039;est-ce qu&#039;une vanne de fermeture \u00e9lastique 10K<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/fr\/seven-structural-features-of-water-sealed-globe-valve.html\/\">Sept caract\u00e9ristiques structurelles du robinet \u00e0 soupape \u00e9tanche \u00e0 l&#039;eau<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/fr\/how-the-butterfly-valve-works-2.html\/\">Comment fonctionne la vanne papillon ?<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/fr\/basic-valve-purchase-criteria.html\/\">Crit\u00e8res de base d&#039;achat de vannes<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/fr\/want-to-learn-about-cast-iron-butterfly-valve-come-on-tts-all-summed-up-here.html\/\">Vous voulez en savoir plus sur la vanne papillon en fonte ? Allez, tout est r\u00e9sum\u00e9 ici<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/fr\/types-of-pneumatic-drive-type-butterfly-valve-accessories.html\/\">Types d&#039;accessoires de vanne papillon \u00e0 entra\u00eenement pneumatique<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/fr\/structural-features-of-bellow-seal-globe-valve.html\/\">Caract\u00e9ristiques structurelles du robinet \u00e0 soupape \u00e0 soufflet<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Que sont les vannes papillon centriques\u00a0? Les vannes papillon centriques sont principalement utilis\u00e9es dans la construction d\u2019installations situ\u00e9es \u00e0 l\u2019int\u00e9rieur de b\u00e2timents ferm\u00e9s. Tiens, \u00e7a\u2026 <a title=\"Vanne papillon \u00e0 ligne centrale \u00e0 double bride \u2013 Vanne papillon concentrique\" class=\"read-more\" href=\"https:\/\/zecovalve.com\/fr\/some-knowledge-of-flanged-center-line-butterfly-valve.html\" aria-label=\"Plus sur Vanne Papillon Double Bride Centrale \u2013 Vanne Papillon Concentrique\">Lire plus<\/a><\/p>","protected":false},"author":2,"featured_media":17359,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","kt_blocks_editor_width":"","footnotes":""},"categories":[1],"tags":[3657,3654,3656,3509,3653,2519,3655],"class_list":["post-4416","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","tag-center-line-butterfly-valve","tag-center-line-butterfly-valves","tag-center-line-check-valve","tag-centerline-butterfly-valve","tag-centric-butterfly-valve","tag-concentric-butterfly-valve","tag-double-flanged-center-line-butterfly-valve","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"featured_image_src_large":["https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/flanged-concentric-butterfly-valve-with-electric-actuator.png",600,450,false],"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":3654,"name":"center line butterfly valves","slug":"center-line-butterfly-valves","term_group":0,"term_taxonomy_id":3654,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"},{"term_id":3656,"name":"center line check valve","slug":"center-line-check-valve","term_group":0,"term_taxonomy_id":3656,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"},{"term_id":3509,"name":"centerline butterfly valve","slug":"centerline-butterfly-valve","term_group":0,"term_taxonomy_id":3509,"taxonomy":"post_tag","description":"","parent":0,"count":3,"filter":"raw"},{"term_id":3653,"name":"centric butterfly valve","slug":"centric-butterfly-valve","term_group":0,"term_taxonomy_id":3653,"taxonomy":"post_tag","description":"","parent":0,"count":1,"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":3655,"name":"Double Flanged Center Line Butterfly Valve","slug":"double-flanged-center-line-butterfly-valve","term_group":0,"term_taxonomy_id":3655,"taxonomy":"post_tag","description":"<!-- wp:kadence\/tableofcontents {\"uniqueID\":\"_b0a475-21\"} \/-->\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 DOUBLE FLANGED CENTER LINE BUTTERFLY VALVE PRICE<\/strong><\/a>\r\n<!-- \/wp:generateblocks\/button -->\r\n<!-- \/wp:generateblocks\/button-container -->\r\n\r\n<!-- wp:heading -->\r\n<h2>Centerline Double Flange Butterfly Valve<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nDouble flange butterfly valve with rubber vulcanized on the body with pin design. This butterfly valve series has many design features and benefits, such as high Cv ratings, minimum parts exposed to the line media, greater reliability, and a proven record of long service life. A major design advantage of this valve product line is international compatibility.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading -->\r\n<h2 id=\"h-features-of-double-flanged-center-line-butterfly-valve\">Features of Double Flanged Center Line Butterfly Valve<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:list -->\r\n<ul>\r\n \t<li>A replaceable cartridge seat design with a solid backup ring allows the best fit for vacuum applications and minimum costs over a lifetime.<\/li>\r\n \t<li>Only 2 wetted parts, disc, and seat, with no exposed metal-to-metal contact points, for maximum corrosion resistance.<\/li>\r\n \t<li>Self-centering disc with a smooth finish and spherical edge reduces wear and resists corrosion and abrasion.<\/li>\r\n<\/ul>\r\n<!-- \/wp:list -->\r\n\r\n<!-- wp:heading -->\r\n<h2>Specification of Double Flanged Center Line Butterfly Valve<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:table {\"className\":\"is-style-stripes\"} -->\r\n<figure class=\"wp-block-table is-style-stripes\">\r\n<table>\r\n<tbody>\r\n<tr>\r\n<td>Size<\/td>\r\n<td>DN80-DN1000<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Pressure<\/td>\r\n<td>0.25MPa-0.6MPa\uff0c1.0MPa\uff0c1.6MPa<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Medium<\/td>\r\n<td>Air, water, sewage, steam, gas, oil, etc<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Operated method<\/td>\r\n<td>Manual, worm gear drive, gas drive, electric drive<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Body<\/td>\r\n<td>Ductile iron, cast steel, alloy steel, stainless steel<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Disc<\/td>\r\n<td>Ductile iron, cast steel, alloy steel, stainless steel<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Seal ring<\/td>\r\n<td>Rubber, Teflon<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Stem<\/td>\r\n<td>Cr13, stainless steel<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Packing<\/td>\r\n<td>Type 0 ring, flexible graphite<\/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>Standard of Centerline Butterfly Valve<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:list -->\r\n<ul>\r\n \t<li>Manufacturing: GB\/T12238-1989\uff1blS0 10631-1994\uff1bBS EN593-1998<\/li>\r\n \t<li>Flange connection standard: GB\/T17241\uff0e6-1998\uff1aIS0 7005-2; BSEN 1092-2002<\/li>\r\n \t<li>Face to face: GB\/T1 2221-1989\uff1alS0 5752-1988\uff1bBS EN558-1<\/li>\r\n \t<li>Test: GB\/T13927-1992\uff1bJB\/T9092-1999\uff1bS0 5028-1993\uff1bBS 6755-l-1986<\/li>\r\n<\/ul>\r\n<!-- \/wp:list -->","parent":0,"count":4,"filter":"raw"}],"taxonomy_info":{"category":[{"value":1,"label":"Uncategorized"}],"post_tag":[{"value":3657,"label":"Center line Butterfly Valve"},{"value":3654,"label":"center line butterfly valves"},{"value":3656,"label":"center line check valve"},{"value":3509,"label":"centerline butterfly valve"},{"value":3653,"label":"centric butterfly valve"},{"value":2519,"label":"Concentric Butterfly Valve"},{"value":3655,"label":"Double Flanged Center Line Butterfly Valve"}]},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Double Flanged Center Line Butterfly Valve - Concentric Butterfly Valve | ZECO<\/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\/some-knowledge-of-flanged-center-line-butterfly-valve.html\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Double Flanged Center Line Butterfly Valve - Concentric Butterfly Valve | ZECO\" \/>\n<meta property=\"og:description\" content=\"What are Centric Butterfly Valves? 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