{"id":919,"date":"2024-09-26T16:39:33","date_gmt":"2024-09-26T08:39:33","guid":{"rendered":"https:\/\/www.darko-tech.com\/?post_type=products&#038;p=919"},"modified":"2025-05-04T17:20:08","modified_gmt":"2025-05-04T09:20:08","slug":"valvula-de-borboleta-de-alta-temperatura","status":"publish","type":"products","link":"https:\/\/www.darko-tech.com\/pt\/produtos\/valvula-de-borboleta-de-alta-temperatura\/","title":{"rendered":"V\u00e1lvula de borboleta de alta temperatura"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"919\" class=\"elementor elementor-919\" data-elementor-post-type=\"products\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4a961688 e-flex e-con-boxed e-con e-parent\" data-id=\"4a961688\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-377353f8 elementor-widget elementor-widget-text-editor\" data-id=\"377353f8\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>A v\u00e1lvula de borboleta de alta temperatura \u00e9 um componente utilizado para controlar o fluxo e o interrutor de fluxo no sistema de tubagem. \u00c9 amplamente utilizada em condutas de g\u00e1s de alta temperatura na metalurgia, materiais de constru\u00e7\u00e3o e ind\u00fastria qu\u00edmica, <a href=\"https:\/\/www.darko-tech.com\/pt\/en\/central-electrica\/\">central el\u00e9ctrica<\/a>, <a href=\"https:\/\/www.darko-tech.com\/pt\/en\/fabrica-de-vidro\/\">vidro<\/a> e outros <a href=\"https:\/\/www.darko-tech.com\/pt\/en\/sectores-que-servimos\/\">ind\u00fastrias<\/a>.<\/p><h2><span style=\"font-family: georgia, palatino, serif;\"><strong><b>Especifica\u00e7\u00e3o<\/b><\/strong><\/span><\/h2><p>\u00a0<\/p><ul><li><span style=\"font-family: georgia, palatino, serif;\"><strong>Nome<\/strong>: v\u00e1lvula de borboleta para altas temperaturas<\/span><\/li><li><span style=\"font-family: georgia, palatino, serif;\"><strong>Liga\u00e7\u00e3o<\/strong>: Flange<\/span><\/li><li><span style=\"font-family: georgia, palatino, serif;\"><strong>Estrutura<\/strong>: Linha de centro, exc\u00eantrico duplo, exc\u00eantrico triplo<\/span><\/li><li><span style=\"font-family: georgia, palatino, serif;\"><strong>Tamanho <\/strong>: DN100 a DN3000<\/span><\/li><li><span style=\"font-family: georgia, palatino, serif;\"><strong>Temperatura <\/strong>: 800\u00b0C a 1600\u00b0C<\/span><\/li><li><span style=\"font-family: georgia, palatino, serif;\"><strong>Press\u00e3o <\/strong>: Press\u00e3o atmosf\u00e9rica<\/span><\/li><li><span style=\"font-family: georgia, palatino, serif;\"><strong>Material de veda\u00e7\u00e3o<\/strong>: Juntas flex\u00edveis de comp\u00f3sito de grafite, fibra de vidro, etc.<\/span><\/li><li><span style=\"font-family: georgia, palatino, serif;\"><strong>Normas de conce\u00e7\u00e3o<\/strong>: DIN86044, JB\/T8692-2013, D-DL2000<\/span><\/li><li><span style=\"font-family: georgia, palatino, serif;\"><strong>Materiais de base<\/strong>: 310S, 2205, a\u00e7o de liga de alta temperatura<\/span><\/li><li><span style=\"font-family: georgia, palatino, serif;\"><strong>Normas finais<\/strong>: DIN86044, JB\/T8692-2013, D-DL2000<\/span><\/li><li><span style=\"font-family: georgia, palatino, serif;\"><strong>Aplicativo<\/strong><strong>ca\u00e7\u00e3o<\/strong>: Equipamento de prote\u00e7\u00e3o ambiental, equipamento para fornos, equipamento de combust\u00e3o, etc.<\/span><\/li><\/ul><p>\u00a0<\/p><h2><span style=\"font-family: georgia, palatino, serif;\"><strong><b>Conce\u00e7\u00e3o estrutural e carater\u00edsticas<\/b><\/strong><\/span><\/h2><h3><span style=\"font-size: 12pt; font-family: georgia, palatino, serif;\"><strong><b>Corpo da v\u00e1lvula <\/b><\/strong><\/span><\/h3><p><span style=\"font-family: georgia, palatino, serif;\"><a href=\"https:\/\/www.darko-tech.com\/pt\/en\/sobre-nos\/\">Darko<\/a> constr\u00f3i o corpo da v\u00e1lvula de borboleta de alta temperatura utilizando chapas de a\u00e7o laminadas e refor\u00e7a-o com an\u00e9is e nervuras para evitar a deforma\u00e7\u00e3o a alta temperatura. Este refor\u00e7o ajuda a manter a forma da passagem e evita que o disco da v\u00e1lvula encrave. O interior do corpo da v\u00e1lvula apresenta pregos em forma de Y, malha de carapa\u00e7a de tartaruga e deflectores, e o fabricante reveste-o com materiais refract\u00e1rios atrav\u00e9s de um processo especial, o que garante que o corpo da v\u00e1lvula mant\u00e9m uma resist\u00eancia suficiente sem deforma\u00e7\u00e3o sob temperaturas ultra-altas, enquanto o revestimento de alta temperatura permanece sem fissuras, aderente e possui uma elevada dureza.<\/span><\/p><p>\u00a0<\/p><p><span style=\"font-family: georgia, palatino, serif;\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1374 aligncenter\" src=\"https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/06\/high-temperature-butterfly-valve-1.jpg\" alt=\"\" width=\"900\" height=\"400\" srcset=\"https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/06\/high-temperature-butterfly-valve-1.jpg 900w, https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/06\/high-temperature-butterfly-valve-1-300x133.jpg 300w, https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/06\/high-temperature-butterfly-valve-1-768x341.jpg 768w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><\/span><\/p><p>\u00a0<\/p><h3><span style=\"font-size: 12pt; font-family: georgia, palatino, serif;\"><strong><b>Haste flex\u00edvel para alta temperatura<\/b><\/strong><\/span><\/h3><p><span style=\"font-family: georgia, palatino, serif;\">A v\u00e1lvula de borboleta de alta temperatura tem normalmente um di\u00e2metro grande. As hastes superior e inferior ligam-se ao disco da v\u00e1lvula atrav\u00e9s de pinos, formando uma liga\u00e7\u00e3o r\u00edgida na dire\u00e7\u00e3o axial. Esta liga\u00e7\u00e3o estende-se geralmente por dois a tr\u00eas metros. Com varia\u00e7\u00f5es de temperatura pr\u00f3ximas a 1000 \u2103, as quantidades de expans\u00e3o e contra\u00e7\u00e3o s\u00e3o significativas. Diferentes partes experimentam temperaturas vari\u00e1veis, especialmente a combina\u00e7\u00e3o da haste e do disco.<\/span><\/p><p><span style=\"font-family: georgia, palatino, serif;\">Assim, \u00e9 crucial ter um conjunto de haste flex\u00edvel. Esta estrutura inclui uma haste inferior, um assento de rolamento, um rolamento, uma mola de disco e uma tampa de casquilho. A extremidade inferior da haste est\u00e1 equipada com uma ranhura para montagem de um rolamento, que \u00e9 instalado no interior. Quando a haste se move para cima, o assento do rolamento actua como um limite. Depois de se mover para baixo, v\u00e1rias molas de disco fornecem limites na extremidade inferior da haste.<\/span><\/p><p><span style=\"font-family: georgia, palatino, serif;\">Quando os componentes aquecem de forma desigual, a haste alonga-se e as molas comprimem-se. Esta conce\u00e7\u00e3o evita que as temperaturas elevadas bloqueiem a haste. Al\u00e9m disso, os nossos engenheiros posicionam as molas de disco combinadas longe da fonte de calor para garantir que a sua elasticidade n\u00e3o \u00e9 afetada.<\/span><\/p><p><span style=\"font-family: georgia, palatino, serif;\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1373 aligncenter\" src=\"https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/06\/high-temperature-butterfly-valve-2.jpg\" alt=\"\" width=\"900\" height=\"400\" srcset=\"https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/06\/high-temperature-butterfly-valve-2.jpg 900w, https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/06\/high-temperature-butterfly-valve-2-300x133.jpg 300w, https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/06\/high-temperature-butterfly-valve-2-768x341.jpg 768w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><\/span><\/p><h3><span style=\"font-size: 12pt; font-family: georgia, palatino, serif;\"><strong><b>An\u00e9is el\u00e1sticos de veda\u00e7\u00e3o bimet\u00e1licos para altas temperaturas \u00a0<\/b><\/strong><\/span><\/h3><p><span style=\"font-family: georgia, palatino, serif;\">O anel de veda\u00e7\u00e3o el\u00e1stico forma uma junta met\u00e1lica com a superf\u00edcie inferior do casquilho. A sua for\u00e7a de veda\u00e7\u00e3o \u00e9 fornecida por um empanque. O empanque transmite esta for\u00e7a atrav\u00e9s de uma porca com uma anilha el\u00e1stica. Esta for\u00e7a \u00e9 ent\u00e3o transferida para o empanque, o anel espa\u00e7ador e a almofada do empanque.<\/span><\/p><p><span style=\"font-family: georgia, palatino, serif;\">O desenho do bloco de empanque e da mola de disco inclui reservas de compress\u00e3o el\u00e1stica. Estas reservas asseguram a transmiss\u00e3o de uma for\u00e7a de pr\u00e9-aperto suficiente para o casquilho. O casquilho pressiona firmemente a superf\u00edcie plana do anel de veda\u00e7\u00e3o el\u00e1stico. Esta a\u00e7\u00e3o atinge a press\u00e3o de contacto necess\u00e1ria para uma veda\u00e7\u00e3o met\u00e1lica eficaz entre a superf\u00edcie inferior do casquilho e a superf\u00edcie plana do anel de veda\u00e7\u00e3o el\u00e1stico.<\/span><\/p><p><span style=\"font-family: georgia, palatino, serif;\">Para mais informa\u00e7\u00f5es ou quest\u00f5es t\u00e9cnicas, n\u00e3o hesite em contactar\u00a0<a href=\"https:\/\/www.darko-tech.com\/pt\/en\/contactar-nos\/\">contactar-nos<\/a>. Teremos todo o gosto em ajudar-te.<\/span><\/p><p>\u00a0<\/p><h2><span style=\"color: #000000;\"><strong>Tamb\u00e9m pode gostar<\/strong><\/span><\/h2><table style=\"border-collapse: collapse; width: 100%;\"><tbody><tr><td style=\"width: 30.8333%;\"><figure id=\"attachment_3088\" aria-describedby=\"caption-attachment-3088\" style=\"width: 200px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.darko-tech.com\/pt\/produtos\/valvula-de-persiana-irregular\/\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-3088\" src=\"https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/09\/Electric-tilt-shutter-valve-1.jpg\" alt=\"Um cen\u00e1rio de f\u00e1brica que apresenta uma grande placa met\u00e1lica circular equipada com uma v\u00e1lvula de obturador de inclina\u00e7\u00e3o el\u00e9ctrica para uma funcionalidade melhorada.\" width=\"200\" height=\"200\" srcset=\"https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/09\/Electric-tilt-shutter-valve-1.jpg 1500w, https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/09\/Electric-tilt-shutter-valve-1-300x300.jpg 300w, https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/09\/Electric-tilt-shutter-valve-1-1024x1024.jpg 1024w, https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/09\/Electric-tilt-shutter-valve-1-150x150.jpg 150w, https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/09\/Electric-tilt-shutter-valve-1-768x768.jpg 768w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><\/a><figcaption id=\"caption-attachment-3088\" class=\"wp-caption-text\">V\u00e1lvula de persiana irregular<\/figcaption><\/figure><\/td><td style=\"width: 35.8333%;\"><figure id=\"attachment_2013\" aria-describedby=\"caption-attachment-2013\" style=\"width: 200px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/www.darko-tech.com\/pt\/produtos\/valvula-de-borboleta-manual\/\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2013\" src=\"https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/08\/Manual-butterfly-valve.jpg\" alt=\"A V\u00e1lvula Borboleta Manual est\u00e1 posicionada de forma proeminente, a sua constru\u00e7\u00e3o robusta e a sua pega simples real\u00e7am a sua efic\u00e1cia na regula\u00e7\u00e3o do caudal.\" width=\"200\" height=\"200\" srcset=\"https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/08\/Manual-butterfly-valve.jpg 800w, https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/08\/Manual-butterfly-valve-300x300.jpg 300w, https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/08\/Manual-butterfly-valve-150x150.jpg 150w, https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/08\/Manual-butterfly-valve-768x768.jpg 768w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><\/a><figcaption id=\"caption-attachment-2013\" class=\"wp-caption-text\">V\u00e1lvula de borboleta manual<\/figcaption><\/figure><\/td><td style=\"width: 33.3333%;\"><figure id=\"attachment_3202\" aria-describedby=\"caption-attachment-3202\" style=\"width: 200px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.darko-tech.com\/pt\/produtos\/valvula-de-porta-manual\/\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-3202\" src=\"https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/09\/Manual-gate-valve.jpg\" alt=\"Uma m\u00e1quina hidr\u00e1ulica azul com um punho, especificamente concebida para o controlo manual de um sistema de v\u00e1lvulas de gaveta.\" width=\"200\" height=\"200\" srcset=\"https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/09\/Manual-gate-valve.jpg 1500w, https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/09\/Manual-gate-valve-300x300.jpg 300w, https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/09\/Manual-gate-valve-1024x1024.jpg 1024w, https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/09\/Manual-gate-valve-150x150.jpg 150w, https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/09\/Manual-gate-valve-768x768.jpg 768w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><\/a><figcaption id=\"caption-attachment-3202\" class=\"wp-caption-text\">V\u00e1lvula de porta manual<\/figcaption><\/figure><\/td><\/tr><tr><td style=\"width: 30.8333%;\"><figure id=\"attachment_2583\" aria-describedby=\"caption-attachment-2583\" style=\"width: 200px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.darko-tech.com\/pt\/produtos\/valvula-de-gaveta-de-deslizamento-duplo\/\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2583\" src=\"https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/06\/Double-door-pneumatic-gate-valve-1.jpg\" alt=\"No interior da f\u00e1brica, uma v\u00e1lvula de porta pneum\u00e1tica de porta dupla est\u00e1 numa palete, pronta a ser instalada em sistemas de manuseamento de materiais.\" width=\"200\" height=\"200\" srcset=\"https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/06\/Double-door-pneumatic-gate-valve-1.jpg 800w, https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/06\/Double-door-pneumatic-gate-valve-1-300x300.jpg 300w, https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/06\/Double-door-pneumatic-gate-valve-1-150x150.jpg 150w, https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/06\/Double-door-pneumatic-gate-valve-1-768x768.jpg 768w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><\/a><figcaption id=\"caption-attachment-2583\" class=\"wp-caption-text\">V\u00e1lvula de gaveta de deslizamento duplo<\/figcaption><\/figure><\/td><td style=\"width: 35.8333%;\"><figure id=\"attachment_864\" aria-describedby=\"caption-attachment-864\" style=\"width: 266px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.darko-tech.com\/pt\/produtos\/valvula-pneumatica-de-abertura-e-fecho\/\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-864\" src=\"https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/06\/1-27.jpg\" alt=\"Interruptor pneum\u00e1tico Porta de controlo\" width=\"266\" height=\"200\" srcset=\"https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/06\/1-27.jpg 558w, https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/06\/1-27-300x225.jpg 300w\" sizes=\"auto, (max-width: 266px) 100vw, 266px\" \/><\/a><figcaption id=\"caption-attachment-864\" class=\"wp-caption-text\">V\u00e1lvula pneum\u00e1tica de abertura e fecho<\/figcaption><\/figure><\/td><td style=\"width: 33.3333%;\"><figure id=\"attachment_3268\" aria-describedby=\"caption-attachment-3268\" style=\"width: 200px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.darko-tech.com\/pt\/produtos\/alimentador-vibratorio-micro-eletromagnetico\/\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-3268\" src=\"https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/06\/Micro-Electromagnetic-Vibration-Feeder-1.jpg\" alt=\"O Micro Electromagnetic Vibration Feeder \u00e9 apresentado num fundo branco, o seu design compacto mostra a sua precis\u00e3o no manuseamento de materiais.\" width=\"200\" height=\"200\" srcset=\"https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/06\/Micro-Electromagnetic-Vibration-Feeder-1.jpg 1500w, https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/06\/Micro-Electromagnetic-Vibration-Feeder-1-300x300.jpg 300w, https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/06\/Micro-Electromagnetic-Vibration-Feeder-1-1024x1024.jpg 1024w, https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/06\/Micro-Electromagnetic-Vibration-Feeder-1-150x150.jpg 150w, https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/06\/Micro-Electromagnetic-Vibration-Feeder-1-768x768.jpg 768w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><\/a><figcaption id=\"caption-attachment-3268\" class=\"wp-caption-text\">Alimentador de vibra\u00e7\u00e3o microelectromagn\u00e9tica<\/figcaption><\/figure><\/td><\/tr><\/tbody><\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>A v\u00e1lvula de borboleta de alta temperatura \u00e9 um componente utilizado para controlar o fluxo ligado\/desligado e o caudal em sistemas de tubagens. \u00c9 amplamente aplicada em condutas de g\u00e1s de alta temperatura em ind\u00fastrias como a metalurgia, materiais de constru\u00e7\u00e3o, produtos qu\u00edmicos, centrais el\u00e9ctricas e vidro. Como dispositivo de regula\u00e7\u00e3o ou de fecho para meios gasosos a alta temperatura, pode ser combinado com v\u00e1rios actuadores para formar equipamento com diferentes carater\u00edsticas de desempenho. O design da v\u00e1lvula de borboleta de alta temperatura combina tecnologia estrangeira avan\u00e7ada com processos de fabrico nacionais, resultando num elevado desempenho e numa vasta gama de aplica\u00e7\u00f5es.<\/p>","protected":false},"featured_media":1988,"parent":0,"menu_order":0,"template":"","product":[84],"size":[],"material":[],"class_list":["post-919","products","type-products","status-publish","has-post-thumbnail","hentry","product-high-quality-valves-reliable-solutions-for-fluid-control"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.6 (Yoast SEO v24.6) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>High temperature butterfly valve | DARKO<\/title>\n<meta name=\"description\" content=\"The high temperature butterfly valve resistance is up to 1600\u2103. 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