{"id":884,"date":"2024-09-26T15:29:30","date_gmt":"2024-09-26T07:29:30","guid":{"rendered":"https:\/\/www.darko-tech.com\/?post_type=products&#038;p=884"},"modified":"2025-05-05T11:26:40","modified_gmt":"2025-05-05T03:26:40","slug":"valvula-de-porta-manual","status":"publish","type":"products","link":"https:\/\/www.darko-tech.com\/pt\/produtos\/valvula-de-porta-manual\/","title":{"rendered":"V\u00e1lvula de porta manual"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"884\" class=\"elementor elementor-884\" data-elementor-post-type=\"products\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7b6a5e25 e-flex e-con-boxed e-con e-parent\" data-id=\"7b6a5e25\" 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-20832ee6 elementor-widget elementor-widget-text-editor\" data-id=\"20832ee6\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2><strong>\u00a0Carater\u00edsticas<\/strong><\/h2><ul><li><strong>Design simples<\/strong>: A v\u00e1lvula de gaveta manual tem uma constru\u00e7\u00e3o simples, tornando-a f\u00e1cil de operar e manter.<\/li><li><strong>Estrutura compacta<\/strong>: O seu design compacto permite a instala\u00e7\u00e3o em espa\u00e7os apertados dentro de v\u00e1rios sistemas de tubagem.<\/li><li><strong>Compatibilidade de fluidos<\/strong>: Adequado para uma gama de fluidos, incluindo \u00e1gua, gases e \u00f3leos.<\/li><li><strong>Desempenho de veda\u00e7\u00e3o<\/strong>: Oferece uma excelente capacidade de veda\u00e7\u00e3o para evitar fugas.<\/li><li><strong>Resist\u00eancia \u00e0 press\u00e3o<\/strong>: Concebidos para suportar press\u00f5es elevadas, asseguram um desempenho fi\u00e1vel em aplica\u00e7\u00f5es exigentes.<\/li><li><strong>Utiliza\u00e7\u00e3o frequente<\/strong>: Ideal para aplica\u00e7\u00f5es que requerem abertura e fecho regulares ou regula\u00e7\u00e3o do caudal.<\/li><\/ul><p>\u00a0<\/p><h2><b>Aplica\u00e7\u00e3o<\/b><\/h2><p>Uma v\u00e1lvula de gaveta manual pode ser aplicada em v\u00e1rios sectores e cen\u00e1rios, incluindo:<\/p><ol><li><strong>Sistemas de abastecimento de \u00e1gua<\/strong>: Utilizado para controlar o caudal de \u00e1gua pot\u00e1vel nas redes municipais de distribui\u00e7\u00e3o de \u00e1gua.<\/li><li><strong>Ind\u00fastria do petr\u00f3leo e do g\u00e1s<\/strong>: Empregado nas condutas para gerir o fluxo de petr\u00f3leo bruto, g\u00e1s natural e produtos refinados.<\/li><li><strong>Processamento qu\u00edmico<\/strong>: Utilizado em instala\u00e7\u00f5es qu\u00edmicas para regular o fluxo de fluidos corrosivos ou perigosos.<\/li><li><a href=\"https:\/\/www.darko-tech.com\/pt\/en\/central-electrica\/\"><strong>Produ\u00e7\u00e3o de energia<\/strong><\/a>: Encontrado em centrais el\u00e9ctricas para sistemas de \u00e1gua de arrefecimento e linhas de vapor.<\/li><li><strong>Sistemas HVAC<\/strong>: Utilizado em sistemas de aquecimento e arrefecimento para controlar o fluxo de \u00e1gua ou de refrigerantes.<\/li><li><strong>Sistemas de irriga\u00e7\u00e3o<\/strong>: Aplicado em ambientes agr\u00edcolas para gerir o fluxo de \u00e1gua para os campos e as culturas.<\/li><li><strong>Sistemas de prote\u00e7\u00e3o contra inc\u00eandios<\/strong>: Instalado em sistemas de extin\u00e7\u00e3o de inc\u00eandios para controlar o fluxo de \u00e1gua em caso de emerg\u00eancia.<\/li><li><strong>Tratamento de \u00e1guas residuais<\/strong>: Utilizado para regular o fluxo de \u00e1guas residuais atrav\u00e9s das instala\u00e7\u00f5es de tratamento.<\/li><\/ol><p>\u00a0<\/p><h2><strong>Principais par\u00e2metros de desempenho<\/strong><\/h2><table border=\"1\" cellspacing=\"0\"><tbody><tr><td width=\"294\"><p align=\"center\">Press\u00e3o nominal (MPa)<\/p><\/td><td width=\"295\"><p align=\"center\">0.1~0.6<\/p><\/td><\/tr><tr><td width=\"294\"><p align=\"center\">Temperatura aplic\u00e1vel (\u2103)<\/p><\/td><td width=\"295\"><p align=\"center\">\u2264150<\/p><\/td><\/tr><tr><td width=\"294\"><p align=\"center\">Meios aplic\u00e1veis<\/p><\/td><td width=\"295\"><p align=\"center\">material pulverulento<\/p><\/td><\/tr><\/tbody><\/table><p>\u00a0<\/p><h2><strong>Como fazer a manuten\u00e7\u00e3o de uma v\u00e1lvula de gaveta manual?<\/strong><\/h2><p>Existem diferen\u00e7as significativas em termos de manuten\u00e7\u00e3o entre os sistemas manual e<a href=\"https:\/\/www.darko-tech.com\/pt\/produtos\/valvula-de-gaveta\/\"> v\u00e1lvulas de porta el\u00e9ctrica<\/a>. As v\u00e1lvulas de gaveta manuais t\u00eam vantagens em termos de simplicidade, rentabilidade e funcionamento de emerg\u00eancia.<\/p><p>Eis algumas das principais pr\u00e1ticas de manuten\u00e7\u00e3o:<\/p><h3><strong><span style=\"font-size: 12pt;\">1. Inspe\u00e7\u00e3o regular<\/span><\/strong><\/h3><ul><li><strong>Controlos visuais<\/strong>: Procure sinais de fugas, ferrugem ou corros\u00e3o no corpo da v\u00e1lvula e nas liga\u00e7\u00f5es.<\/li><li><strong>Teste de funcionamento<\/strong>: Acionar manualmente a v\u00e1lvula periodicamente para garantir que abre e fecha suavemente.<\/li><\/ul><h3><strong><span style=\"font-size: 12pt;\">2. Lubrifica\u00e7\u00e3o<\/span><\/strong><\/h3><ul><li><strong>Componentes roscados<\/strong>: Aplicar lubrificante na haste da v\u00e1lvula e nas roscas para reduzir o atrito e evitar o desgaste.<\/li><li><strong>Selos de controlo<\/strong>: Inspecionar e lubrificar os vedantes, se for caso disso, para que permane\u00e7am flex\u00edveis e eficazes.<\/li><\/ul><h3><strong><span style=\"font-size: 12pt;\">3. Limpeza<\/span><\/strong><\/h3><ul><li><strong>Remover os detritos<\/strong>: Limpar o exterior da v\u00e1lvula para evitar a acumula\u00e7\u00e3o de sujidade e contaminantes.<\/li><li><strong>Embutir internamente<\/strong>: Lavar periodicamente a v\u00e1lvula com um fluido adequado para remover qualquer sedimento ou acumula\u00e7\u00e3o no interior.<\/li><\/ul><h3><span style=\"font-size: 12pt;\"><strong>4. Apertar os parafusos e as liga\u00e7\u00f5es<\/strong><\/span><\/h3><ul><li><strong>Verificar fixadores<\/strong>: Certifique-se de que todos os parafusos e liga\u00e7\u00f5es est\u00e3o apertados para evitar fugas e manter a integridade estrutural.<\/li><\/ul><h3><span style=\"font-size: 12pt;\"><strong>5. Substitui\u00e7\u00e3o de pe\u00e7as desgastadas<\/strong><\/span><\/h3><ul><li><strong>Inspecionar as cunhas e os vedantes<\/strong>: Verificar o desgaste da comporta e dos vedantes; substitu\u00ed-los se estiverem danificados ou gastos.<\/li><li><strong>Calend\u00e1rio de substitui\u00e7\u00f5es<\/strong>: Planear intervalos de substitui\u00e7\u00e3o regulares com base na utiliza\u00e7\u00e3o e nas recomenda\u00e7\u00f5es do fabricante.<\/li><\/ul><h3><strong><span style=\"font-size: 12pt;\">6. Procedimentos operacionais<\/span><\/strong><\/h3><ul><li><strong>Evitar o excesso de aperto<\/strong>: N\u00e3o for\u00e7ar a v\u00e1lvula para al\u00e9m dos seus limites de conce\u00e7\u00e3o, pois isso pode causar danos.<\/li><li><strong>Utiliza\u00e7\u00e3o correta<\/strong>: Assegurar que a v\u00e1lvula \u00e9 utilizada corretamente dentro dos par\u00e2metros especificados (temperatura, press\u00e3o e tipo de fluido).<\/li><\/ul><h3><strong><span style=\"font-size: 12pt;\">7. Documenta\u00e7\u00e3o<\/span><\/strong><\/h3><ul><li><strong>Registos de manuten\u00e7\u00e3o<\/strong>: Mantenha registos detalhados das inspec\u00e7\u00f5es, repara\u00e7\u00f5es e substitui\u00e7\u00f5es para acompanhar o estado da v\u00e1lvula ao longo do tempo.<\/li><\/ul><p>Se est\u00e1s \u00e0 procura de um fabricante de V\u00e1lvula de porta manual, podes confiar <a href=\"https:\/\/www.darko-tech.com\/pt\/en\/sobre-nos\/\">Darko<\/a>.<\/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_1988\" aria-describedby=\"caption-attachment-1988\" style=\"width: 200px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.darko-tech.com\/pt\/produtos\/valvula-de-borboleta-de-alta-temperatura\/\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1988\" src=\"https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/06\/High-temperature-butterfly-valve-2-.jpg\" alt=\"Uma placa de metal circular vermelha com um orif\u00edcio central, utilizada em sistemas de v\u00e1lvulas de borboleta de alta temperatura para um desempenho \u00f3timo.\" width=\"200\" height=\"200\" srcset=\"https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/06\/High-temperature-butterfly-valve-2-.jpg 800w, https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/06\/High-temperature-butterfly-valve-2--300x300.jpg 300w, https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/06\/High-temperature-butterfly-valve-2--150x150.jpg 150w, https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/06\/High-temperature-butterfly-valve-2--768x768.jpg 768w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><\/a><figcaption id=\"caption-attachment-1988\" class=\"wp-caption-text\">V\u00e1lvula de borboleta de alta temperatura<\/figcaption><\/figure><\/td><td style=\"width: 35.8333%;\"><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: 33.3333%;\"><figure id=\"attachment_2013\" aria-describedby=\"caption-attachment-2013\" style=\"width: 200px\" class=\"wp-caption aligncenter\"><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><\/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><p>\u00a0<\/p><p>\u00a0<\/p>\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>Uma v\u00e1lvula de gaveta manual \u00e9 um tipo de v\u00e1lvula utilizada para controlar o fluxo de fluidos, operada principalmente de forma manual para abrir ou fechar a passagem do fluido. A sua conce\u00e7\u00e3o \u00e9 simples e compacta, tornando-a adequada para v\u00e1rios sistemas de tubagem. As v\u00e1lvulas de gaveta manuais s\u00e3o normalmente utilizadas para o transporte de \u00e1gua, gases e \u00f3leos, oferecendo um bom desempenho de veda\u00e7\u00e3o e resist\u00eancia \u00e0 press\u00e3o. S\u00e3o ideais para situa\u00e7\u00f5es que requerem abertura e fecho frequentes ou regula\u00e7\u00e3o do caudal.<\/p>","protected":false},"featured_media":3202,"parent":0,"menu_order":0,"template":"","product":[84],"size":[],"material":[],"class_list":["post-884","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>Manual gate valve | DARKO<\/title>\n<meta name=\"description\" content=\"A manual gate valve allows the user to open or close by turning a hand wheel or lever. 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