{"id":8979,"date":"2021-12-30T08:02:17","date_gmt":"2021-12-30T08:02:17","guid":{"rendered":"https:\/\/zecovalve.com\/what-is-butterfly-valve-api-6d-ball-valve-manufacturer.html"},"modified":"2022-08-12T08:28:02","modified_gmt":"2022-08-12T08:28:02","slug":"what-is-butterfly-valve-api-6d-ball-valve-manufacturer","status":"publish","type":"post","link":"https:\/\/zecovalve.com\/pt\/what-is-butterfly-valve-api-6d-ball-valve-manufacturer.html","title":{"rendered":"V\u00e1lvula borboleta API 609 | Fabricante de v\u00e1lvula esf\u00e9rica API 6D"},"content":{"rendered":"<h2 class=\"wp-block-heading\">O que \u00e9 o padr\u00e3o API 6D?<\/h2>\n\n\n\n<p>O padr\u00e3o API 6D, do American Petroleum Institute, fornece especifica\u00e7\u00f5es para v\u00e1lvulas de dutos.<\/p>\n\n\n\n<p>API 6D cobre o projeto, fabrica\u00e7\u00e3o, testes e documenta\u00e7\u00e3o para v\u00e1lvulas de esfera, reten\u00e7\u00e3o, gaveta e v\u00e1lvulas macho para tubula\u00e7\u00f5es para classifica\u00e7\u00f5es de press\u00e3o at\u00e9 classe ASME 2500.<\/p>\n\n\n\n<p>A norma especifica configura\u00e7\u00f5es para os seguintes tipos de v\u00e1lvulas:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>V\u00e1lvulas de gaveta<\/li><li>V\u00e1lvulas macho lubrificadas e n\u00e3o lubrificadas<\/li><li>V\u00e1lvulas de esfera<\/li><li>V\u00e1lvulas de reten\u00e7\u00e3o<\/li><li>V\u00e1lvulas de abertura total<\/li><li>V\u00e1lvulas de abertura reduzida<\/li><li>As extremidades da v\u00e1lvula podem ser flangeadas ou soldadas. Se o fluido puder ficar preso na cavidade do corpo, ent\u00e3o as v\u00e1lvulas para servi\u00e7o de g\u00e1s e l\u00edquido dever\u00e3o ter um al\u00edvio de press\u00e3o. Os atuadores podem ser el\u00e9tricos, hidr\u00e1ulicos ou pneum\u00e1ticos.<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">O que \u00e9 <strong><mark style=\"background-color:var(--base)\" class=\"has-inline-color has-contrast-2-color\"><a href=\"https:\/\/zecovalve.com\/pt\/categoria-do-produto\/ball-valve\/\" target=\"_blank\" rel=\"noreferrer noopener\">V\u00e1lvula de esfera API 6D<\/a><\/mark><\/strong>?<\/h2>\n\n\n\n<p>As v\u00e1lvulas esfera API 6D s\u00e3o projetadas e fabricadas para fornecer m\u00e1xima vida \u00fatil e confiabilidade. Todas as v\u00e1lvulas de esfera t\u00eam porta completa ou porta reduzida e atendem aos requisitos de projeto da API 6D. As v\u00e1lvulas esfera API 6D est\u00e3o dispon\u00edveis em uma gama completa de materiais de corpo\/tampa e internos. As v\u00e1lvulas esfera API 6D est\u00e3o dispon\u00edveis apenas para as classifica\u00e7\u00f5es de press\u00e3o: Classe 150, Classe 300, Classe 400, Classe 600, Classe 900, Classe 1500 e Classe 2500.<\/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\/carbon-steel-ball-valve-4.jpg\" alt=\"\" class=\"wp-image-16647\" width=\"400\" height=\"300\" srcset=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/carbon-steel-ball-valve-4.jpg 800w, https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/carbon-steel-ball-valve-4-300x225.jpg 300w, https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/carbon-steel-ball-valve-4-768x576.jpg 768w, https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/carbon-steel-ball-valve-4-600x450.jpg 600w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">Especifica\u00e7\u00f5es da v\u00e1lvula esf\u00e9rica API 6D<\/h2>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table><tbody><tr><td>Design e Fabrica\u00e7\u00e3o<\/td><td>API 6D<\/td><\/tr><tr><td>Espessura da parede<\/td><td>API 6D<\/td><\/tr><tr><td>Dimens\u00e3o Presencial<\/td><td>API 6D<\/td><\/tr><tr><td>Dimens\u00e3o final do flange<\/td><td>ANSI\/ASME B16.5 (1\u201d a 24\u201d)<br>ANSI\/ASME B16.47 (26\u201d e superior)<\/td><\/tr><tr><td>Dimens\u00e3o final da solda de topo<\/td><td>ANSI\/ASME B16.25<\/td><\/tr><tr><td>Inspe\u00e7\u00e3o e Teste<\/td><td>API 6D\/API 598<\/td><\/tr><tr><td>Projeto seguro contra inc\u00eandio<\/td><td>API 607\/BS 6755<\/td><\/tr><tr><td>Material<\/td><td>Nace MR 0175<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Como funciona a v\u00e1lvula esfera API 6D?<\/h2>\n\n\n\n<p>A v\u00e1lvula esfera API 6D funciona usando uma esfera com um furo no centro. O fluido que flui atrav\u00e9s das v\u00e1lvulas esfera API 6D flui atrav\u00e9s do furo esf\u00e9rico. Para abrir a v\u00e1lvula esfera API 6D, a esfera \u00e9 girada girando o volante ou usando um atuador para v\u00e1lvulas acionadas. A esfera \u00e9 conectada ao volante ou atuador atrav\u00e9s da haste. A haste transmite o torque necess\u00e1rio para abrir\/fechar a v\u00e1lvula para a esfera. Quando a esfera \u00e9 girada, o furo da esfera fica alinhado com a tubula\u00e7\u00e3o que transporta o fluido. Isso faz com que o fluido flua atrav\u00e9s da v\u00e1lvula. Para fechar a v\u00e1lvula esfera API 6D, o volante \u00e9 girado no sentido oposto ao sentido de abertura da v\u00e1lvula. Isso faz com que o furo da esfera fique perpendicular \u00e0 tubula\u00e7\u00e3o. Neste caso, a bola bloqueia o fluido de tal forma que o fluido n\u00e3o pode fluir novamente. A v\u00e1lvula de esfera API 6D \u00e9 conectada \u00e0 tubula\u00e7\u00e3o por meio de parafusos e porcas ou por soldagem. A conex\u00e3o de parafusos e porcas ajuda a tornar a v\u00e1lvula esfera API 6D f\u00e1cil de desmontar para limpeza e reparos enquanto a v\u00e1lvula est\u00e1 no campo. A conex\u00e3o de soldagem dificulta a abertura da v\u00e1lvula para reparos e limpeza. No entanto, a conex\u00e3o soldada torna a v\u00e1lvula esfera API 6D livre de vazamento de fluido.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">O que \u00e9 o padr\u00e3o API 609?<\/h2>\n\n\n\n<p>O padr\u00e3o API 609 abrange projeto, materiais, dimens\u00f5es face a face, classifica\u00e7\u00f5es de press\u00e3o-temperatura e requisitos de exame, inspe\u00e7\u00e3o e teste para v\u00e1lvulas borboleta de ferro cinzento, ferro d\u00factil, bronze, a\u00e7o, liga \u00e0 base de n\u00edquel ou liga especial.<\/p>\n\n\n\n<p>As duas categorias de v\u00e1lvulas borboleta a seguir est\u00e3o inclu\u00eddas:<\/p>\n\n\n\n<p>Categoria A - v\u00e1lvulas borboleta com press\u00e3o de trabalho a frio (CWP) nominal do fabricante, geralmente com disco conc\u00eantrico e configura\u00e7\u00e3o de sede. Os tamanhos cobertos s\u00e3o NPS 2 a NPS 60 para v\u00e1lvulas com padr\u00f5es de parafusamento de flange ASME Classe 125 ou Classe 150.<\/p>\n\n\n\n<p>Categoria B \u2014 v\u00e1lvulas borboleta de classe ASME e com classifica\u00e7\u00e3o de press\u00e3o e temperatura que possuem uma sede deslocada e uma configura\u00e7\u00e3o de disco exc\u00eantrico ou conc\u00eantrico. Os tamanhos cobertos est\u00e3o listados abaixo:<br>para lug e wafer, Classe 150 e 300: NPS 2 a NPS 60;<br>para lug e wafer, Classe 600: NPS 3 a NPS 60;<br>para padr\u00e3o duplo flange curto e longo, Classe 150, 300 e 600: NPS 3 a NPS 60;<br>para extremidades soldadas, Classe 150, 300 e 600: NPS 3 a 60;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-what-is-api-609-butterfly-valve\">O que \u00e9 <strong><mark style=\"background-color:var(--base)\" class=\"has-inline-color has-contrast-2-color\"><a href=\"https:\/\/zecovalve.com\/pt\/categoria-do-produto\/butterfly-valve\/\" target=\"_blank\" rel=\"noreferrer noopener\">V\u00e1lvula borboleta API 609<\/a><\/mark><\/strong>?<\/h2>\n\n\n\n<p><strong>V\u00e1lvulas borboleta <\/strong>est\u00e3o em uso desde o final do s\u00e9culo XVIII. James Watt fez uso de uma v\u00e1lvula borboleta em seu prot\u00f3tipo de motor a vapor. Com os avan\u00e7os nos materiais e na tecnologia moderna, as v\u00e1lvulas borboleta podem ser menores e tamb\u00e9m resistir a temperaturas mais altas. Ap\u00f3s a Segunda Guerra Mundial, a borracha sint\u00e9tica foi utilizada nas veda\u00e7\u00f5es, permitindo que as v\u00e1lvulas borboleta fossem utilizadas em mais setores. Em 1969, James E. Hemphill patenteou uma melhoria na v\u00e1lvula borboleta que reduziu o torque hidrodin\u00e2mico necess\u00e1rio para transformar o resultado da v\u00e1lvula.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2021\/12\/\u51f8\u8033\u8776\u9600C95800-2-768x1024.jpg\" alt=\"V\u00c1LVULA BORBOLETA\" class=\"wp-image-15338\" width=\"384\" height=\"512\" srcset=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2021\/12\/\u51f8\u8033\u8776\u9600C95800-2-768x1024.jpg 768w, https:\/\/zecovalve.com\/wp-content\/uploads\/2021\/12\/\u51f8\u8033\u8776\u9600C95800-2-scaled-600x800.jpg 600w, https:\/\/zecovalve.com\/wp-content\/uploads\/2021\/12\/\u51f8\u8033\u8776\u9600C95800-2-225x300.jpg 225w, https:\/\/zecovalve.com\/wp-content\/uploads\/2021\/12\/\u51f8\u8033\u8776\u9600C95800-2-1152x1536.jpg 1152w, https:\/\/zecovalve.com\/wp-content\/uploads\/2021\/12\/\u51f8\u8033\u8776\u9600C95800-2-1536x2048.jpg 1536w, https:\/\/zecovalve.com\/wp-content\/uploads\/2021\/12\/\u51f8\u8033\u8776\u9600C95800-2-scaled.jpg 1920w\" sizes=\"auto, (max-width: 384px) 100vw, 384px\" \/><\/figure>\n<\/div>\n\n\n<p>A v\u00e1lvula borboleta tamb\u00e9m \u00e9 chamada de v\u00e1lvula borboleta, como o nome sugere, seus componentes essenciais s\u00e3o como uma borboleta contra o vento e girando livremente.<\/p>\n\n\n\n<p>O disco da v\u00e1lvula borboleta \u00e9 o disco, ao redor da sede de rota\u00e7\u00e3o do eixo, a dimens\u00e3o do \u00e2ngulo de giro \u00e9 a v\u00e1lvula aberta e tamb\u00e9m fechada.<\/p>\n\n\n\n<p>A v\u00e1lvula borboleta \u00e9 uma v\u00e1lvula de movimento rotativo de um quarto de volta usada para encerrar, alterar e iniciar o fluxo.<\/p>\n\n\n\n<p>A v\u00e1lvula borboleta pode ser aberta f\u00e1cil e rapidamente. A rota\u00e7\u00e3o de 90\u00b0 da manopla completa o fechamento ou abertura da v\u00e1lvula. As grandes v\u00e1lvulas borboleta geralmente s\u00e3o equipadas com uma suposta transmiss\u00e3o, onde o volante \u00e9 ligado \u00e0 haste da v\u00e1lvula por equipamento. Isto simplifica a opera\u00e7\u00e3o da v\u00e1lvula, mas \u00e0 custa da velocidade.<\/p>\n\n\n\n<p>Como resultado de sua pequena dimens\u00e3o, f\u00e1cil estrutura e leveza, as v\u00e1lvulas borboleta s\u00e3o cada vez mais utilizadas em sistemas de tubula\u00e7\u00e3o como ar frio e quente, \u00e1gua e energia el\u00e9trica, prote\u00e7\u00e3o ambiental, estrutura de abastecimento de \u00e1gua, bem como drenagem de \u00e1gua, bem como engenharia comunit\u00e1ria. Usado como ferramenta de intercepta\u00e7\u00e3o ou fluxo intermedi\u00e1rio. Em diversos eventos, devido aos benef\u00edcios da pr\u00f3pria v\u00e1lvula borboleta, foi poss\u00edvel trocar v\u00e1lvulas gaveta, v\u00e1lvulas globo, v\u00e1lvulas esfera e diversas outras v\u00e1lvulas em aplica\u00e7\u00f5es de tubula\u00e7\u00f5es industriais.<\/p>\n\n\n\n<p>A estrutura da v\u00e1lvula borboleta \u00e9 muito simples, com apenas algumas pe\u00e7as b\u00e1sicas, como corpo da v\u00e1lvula, haste da v\u00e1lvula, disco da v\u00e1lvula, sede da v\u00e1lvula e transmiss\u00e3o. Embora a estrutura seja b\u00e1sica, a caracter\u00edstica da v\u00e1lvula borboleta n\u00e3o pode ser ignorada. A pequena estrutura tem um valor pr\u00e1tico incr\u00edvel.<\/p>\n\n\n\n<p>A v\u00e1lvula borboleta pode ser usada para reajustar o fluxo. Quando a v\u00e1lvula borboleta de ajuste de fluxo precisa estar sob condi\u00e7\u00f5es especiais de trabalho ou em um ambiente fechado, as necessidades de desempenho s\u00e3o rigorosas ou os problemas operacionais da v\u00e1lvula borboleta s\u00e3o seriamente desgastados, n\u00edvel de baixa temperatura e outros trabalhos severos.<\/p>\n\n\n\n<p>Somos API 6D <strong>Fabricante de v\u00e1lvula de esfera<\/strong> e API 609 <strong>Fabricante de v\u00e1lvula borboleta<\/strong>. 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O padr\u00e3o API 6D, do American Petroleum Institute, fornece especifica\u00e7\u00f5es para v\u00e1lvulas de dutos. API 6D cobre o\u2026 <a title=\"V\u00e1lvula borboleta API 609 | Fabricante de v\u00e1lvula esf\u00e9rica API 6D\" class=\"read-more\" href=\"https:\/\/zecovalve.com\/pt\/what-is-butterfly-valve-api-6d-ball-valve-manufacturer.html\" aria-label=\"Mais em V\u00e1lvula Borboleta API 609 | Fabricante de v\u00e1lvula esf\u00e9rica API 6D\">Ler mais<\/a><\/p>","protected":false},"author":2,"featured_media":16647,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","kt_blocks_editor_width":"","footnotes":""},"categories":[1],"tags":[2626,2629,2376,2701,3246,2700,3555],"class_list":["post-8979","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","tag-api-609","tag-api-609-butterfly-valve","tag-api-6d","tag-api-6d-ball-valve","tag-api-6d-ball-valves","tag-api-6d-valves","tag-api6d-ball-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\/carbon-steel-ball-valve-4.jpg",800,600,false],"author_info":{"display_name":"Jerry","author_link":"https:\/\/zecovalve.com\/pt\/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":2626,"name":"API 609","slug":"api-609","term_group":0,"term_taxonomy_id":2626,"taxonomy":"post_tag","description":"<!-- wp:kadence\/tableofcontents {\"uniqueID\":\"_9cda6c-35\"} \/-->\r\n\r\n<!-- wp:heading -->\r\n<h2 id=\"h-what-is-api-609-standard\">What is API 609 Standard?<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThis standard covers design, materials, face-to-face dimensions, pressure-temperature ratings, and examination, inspection, and test requirements for gray iron, ductile iron, bronze, steel, nickel-based alloy, or special alloy butterfly valves.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThe following two categories of butterfly valves are included:\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nCategory A\u2014Manufacturer's rated cold working pressure (CWP) butterfly valves, usually with a concentric disc and seat configuration. Sizes covered are NPS 2 to NPS 60 for valves having ASME Class 125 or Class 150 flange bolting patterns.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nCategory B\u2014ASME class and pressure-temperature-rated butterfly valves that have an offset seat and either an eccentric or a concentric disc configuration. Sizes covered are listed below:\r\nfor lug and wafer, Class 150 and 300: NPS 2 to NPS 60;\r\nfor lug and wafer, Class 600: NPS 3 to NPS 60;\r\nfor double-flanged short and long pattern, Class 150, 300, and 600: NPS 3 to NPS 60;\r\nfor butt-welding ends, Class 150, 300 and 600: NPS 3 to 60;\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading -->\r\n<h2>What is an API 609 Butterfly Valve?<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThe API 609 butterfly valve is used to shut off or modulate the flow of a fluid (isolation and regulation). API 609 Centric butterfly valves (soft seated) are preferred to gate and ball valves for low-pressure and non-critical applications as they are cheaper, lighter, and easier to install. Eccentric butterfly valves (double offset and triple offset valves) with metal seats have surged in popularity and compete with globe and ball valves for some applications.\r\n\r\n<!-- \/wp:paragraph -->\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 API 609 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>API 609 Butterfly Valve Working Principle<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThe key component of a butterfly valve is the disc, a metal ring that is positioned at the centerline of the pipe and connected to an external actuator (manual level or actuator) via a rod.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nCompared to a ball valve, the disc of a butterfly valve is always in contact with the fluid conveyed by the pipeline and creates, therefore, a pressure drop.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nIn the closed position, the disc blocks the bore of the valve, and, in an open position, the disc allows the passage of the fluid.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nA quarter turn movement is needed to switch the valve from a fully open to a fully closed position (and such movement can be executed as quickly as for ball valves).\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading -->\r\n<h2>Specifications of API 609 Butterfly Valve<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nFace to Face Dimensions: ANSI B16.10\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nFlange end Dimension: ANSI B16.5\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nButt Welded Dimensions: ANSI B16.25\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nDesign and Manufacture: API 609\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nPressure Test: API598\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nMaterials\uff1aWCB \u3001WC6 \u3001WC9 \u3001CF8\u3001 CF8M\u3001 CF3\u3001 CF3M \u3001CN7M\u3001LC1\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nLC2\u3001LC3\u3001LCB\u3001LCC\u3001Monel\u300120# Alloys\u30014A\u30015A\u3001C95800\u3001C95500, etc.\r\n\r\n<!-- \/wp:paragraph -->","parent":0,"count":5,"filter":"raw"},{"term_id":2629,"name":"API 609 Butterfly Valve","slug":"api-609-butterfly-valve","term_group":0,"term_taxonomy_id":2629,"taxonomy":"post_tag","description":"<!-- wp:heading -->\r\n<h2>What is API 609 Standard?<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nAPI 609 is the American design standard for butterfly valves, which is divided into Category A and B.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading -->\r\n<h2 id=\"h-what-is-an-api-609-butterfly-valve\">What is an API 609 Butterfly Valve?<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nA butterfly valve is used to shut off or modulate the flow of a fluid (isolation and regulation). API 609 Centric butterfly valves (soft seated) are preferred to gate and ball valves for low-pressure and non-critical applications as they are cheaper, lighter, and easier to install. Eccentric butterfly valves (double offset and triple offset valves) with metal seats have surged in popularity and compete with globe and ball valves for some applications.\r\n\r\n<!-- \/wp:paragraph -->\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=\"https:\/\/zecovalve.com\/contact\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>GET API 609 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>Types of API 609 Butterfly Valve<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:heading {\"level\":3} -->\r\n<h3>API 609 Category A Butterfly Valve<\/h3>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThe Centric or concentric butterfly valve is the primary type of butterfly valve design. In this design of the valve, the stem crosses from the centerline of the disc. Between the pipe bore and the seat, there is the inside diameter boundary. This zero-offset valve is also called resilient-seated because it relies on the adaptability of the seat rubber to seal the flow after closing it efficiently. At around 85\u00b0 during a 90\u00b0 rotation, the disc first comes into connection with the seat in this kind of valve. Concentric butterfly valves are generally used for low-pressure applications.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading {\"level\":3} -->\r\n<h3>API 609 Category B Butterfly Valve<\/h3>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nIn the eccentric butterfly valve, the stem passes behind the centerline of the disc instead of passing through it. As the stem is positioned behind the centerline, the valve is called a single offset. This design helps to minimize the disc contact with the seal, which increases the service life of the valve. In double-offset butterfly valves or doubly eccentric butterfly valves, the stem is positioned at the backside of the disc with an extra offset. This stem design allows the rotating disc to cover the seat only for one to three degrees. A triple offset butterfly valve is frequently used in more complex applications that have the same design as a double offset butterfly valve. A triple offset butterfly valve is efficient and reduces wear. This valve has metal seats that create a bubble-tight shut-off and make it able to use in higher temperature applications.\r\n\r\n<!-- \/wp:paragraph -->","parent":0,"count":9,"filter":"raw"},{"term_id":2376,"name":"API 6D","slug":"api-6d","term_group":0,"term_taxonomy_id":2376,"taxonomy":"post_tag","description":"","parent":0,"count":8,"filter":"raw"},{"term_id":2701,"name":"API 6D Ball Valve","slug":"api-6d-ball-valve","term_group":0,"term_taxonomy_id":2701,"taxonomy":"post_tag","description":"","parent":0,"count":7,"filter":"raw"},{"term_id":3246,"name":"api 6d ball valves","slug":"api-6d-ball-valves","term_group":0,"term_taxonomy_id":3246,"taxonomy":"post_tag","description":"","parent":0,"count":5,"filter":"raw"},{"term_id":2700,"name":"API 6D Valves","slug":"api-6d-valves","term_group":0,"term_taxonomy_id":2700,"taxonomy":"post_tag","description":"","parent":0,"count":5,"filter":"raw"},{"term_id":3555,"name":"API6D Ball Valve","slug":"api6d-ball-valve","term_group":0,"term_taxonomy_id":3555,"taxonomy":"post_tag","description":"","parent":0,"count":2,"filter":"raw"}],"taxonomy_info":{"category":[{"value":1,"label":"Uncategorized"}],"post_tag":[{"value":2626,"label":"API 609"},{"value":2629,"label":"API 609 Butterfly Valve"},{"value":2376,"label":"API 6D"},{"value":2701,"label":"API 6D Ball Valve"},{"value":3246,"label":"api 6d ball valves"},{"value":2700,"label":"API 6D Valves"},{"value":3555,"label":"API6D Ball Valve"}]},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>API 609 Butterfly Valve | API 6D Ball Valve Manufacturer | 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\/pt\/what-is-butterfly-valve-api-6d-ball-valve-manufacturer.html\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"API 609 Butterfly Valve | API 6D Ball Valve Manufacturer | ZECO Valve\" \/>\n<meta property=\"og:description\" content=\"What is API 6D Standard? 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