{"id":1311,"date":"2024-01-29T17:22:02","date_gmt":"2024-01-29T09:22:02","guid":{"rendered":"https:\/\/www.pansvalve.com\/?post_type=products&#038;p=1311"},"modified":"2026-04-15T09:44:36","modified_gmt":"2026-04-15T01:44:36","slug":"dbb-plug-valve","status":"publish","type":"products","link":"https:\/\/www.pansvalve.com\/pt\/products\/dbb-plug-valve\/","title":{"rendered":"V\u00e1lvula macho DBB"},"content":{"rendered":"<h2 class=\"wp-block-heading\"><strong>Princ\u00edpio Operacional<\/strong><\/h2>\n\n\n\n<p>A conex\u00e3o entre o elemento de veda\u00e7\u00e3o (bloco deslizante) e a torneira da torneira tipo trilho adota a estrutura do trilho-guia. V\u00e1lvulas em processo de abertura, primeiro atrav\u00e9s do mecanismo de acionamento (design) dada a torneira sobem at\u00e9 uma certa altura, conforme a torneira, dois controles deslizantes s\u00e3o gradualmente centralizados de volta para a v\u00e1lvula, quando a face de veda\u00e7\u00e3o do controle deslizante fica completamente fora da folga da v\u00e1lvula superf\u00edcie de veda\u00e7\u00e3o e forma um determinado dado (design), para continuar atrav\u00e9s do mecanismo de acionamento fa\u00e7a a torneira com op\u00e7\u00f5es de controle deslizante 90\u00b0 para abrir a v\u00e1lvula. V\u00e1lvulas em processo de fechamento, a primeira atrav\u00e9s do mecanismo de acionamento faz a torneira girar 90\u00b0 com o controle deslizante (a v\u00e1lvula est\u00e1 fechada, mas n\u00e3o forma uma veda\u00e7\u00e3o), para continuar atrav\u00e9s do mecanismo de acionamento para empurrar a torneira, conforme a torneira se move para baixo, empurrando o controle deslizante para ambos os lados da face de veda\u00e7\u00e3o do corpo, at\u00e9 que o anel de veda\u00e7\u00e3o el\u00e1stico de o controle deslizante ser\u00e1 espremido uniformemente no corpo em ambos os lados da superf\u00edcie de veda\u00e7\u00e3o, formando uma veda\u00e7\u00e3o.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Recursos da estrutura do produto<\/strong><\/h2>\n\n\n\n<p>1, a v\u00e1lvula macho de trilho com estrutura de veda\u00e7\u00e3o dupla de flange intermedi\u00e1rio \u00e9 usada principalmente para querosene de avia\u00e7\u00e3o, g\u00e1s natural, g\u00e1s liquefeito de petr\u00f3leo, \u00f3leo de produto, etc., porque o querosene de avia\u00e7\u00e3o e outros meios t\u00eam uma forte permeabilidade e s\u00e3o inflam\u00e1veis e explosivos, a fim de evitar vazamento do meio, no flange intermedi\u00e1rio usando anel de veda\u00e7\u00e3o e estrutura de veda\u00e7\u00e3o dupla de junta de enrolamento.<\/p>\n\n\n\n<p><br>2. estrutura de veda\u00e7\u00e3o de embalagem, carretel de v\u00e1lvula de plugue orbital no processo de troca de v\u00e1lvula, tanto para cima quanto para baixo para mover e movimento rotativo, al\u00e9m da particularidade do meio, a fim de garantir o uso seguro e confi\u00e1vel de veda\u00e7\u00e3o de embalagem de anel de veda\u00e7\u00e3o e embalagem selo combinado.<\/p>\n\n\n\n<p><br>3, mecanismo de opera\u00e7\u00e3o da v\u00e1lvula e travamento autom\u00e1tico, o mecanismo de opera\u00e7\u00e3o da v\u00e1lvula de torneira (parafuso) adota uma estrutura de fenda em forma de L exclusiva, move a torneira da linha axial e a rota\u00e7\u00e3o de 90\u00b0 afastada, torna a opera\u00e7\u00e3o da v\u00e1lvula flex\u00edvel e leve.<\/p>\n\n\n\n<p>4. processamento especial de pe\u00e7as principais, processamento mec\u00e2nico da cavidade do corpo da v\u00e1lvula (retifica\u00e7\u00e3o), ap\u00f3s tratamento de cromo duro, cavidade do corpo da v\u00e1lvula com resist\u00eancia \u00e0 corros\u00e3o, resist\u00eancia \u00e0 eros\u00e3o, resist\u00eancia ao desgaste, resist\u00eancia \u00e0 corros\u00e3o. Ap\u00f3s o processamento mec\u00e2nico do bloco deslizante (antes de pressionar a borracha de fl\u00faor), a superf\u00edcie de veda\u00e7\u00e3o met\u00e1lica do bloco deslizante \u00e9 tratada por cromagem dura, de modo que tenha as propriedades de resist\u00eancia \u00e0 corros\u00e3o, resist\u00eancia \u00e0 eros\u00e3o, resist\u00eancia ao desgaste e resist\u00eancia \u00e0 corros\u00e3o. Ap\u00f3s o processamento mec\u00e2nico da torneira, ap\u00f3s o tratamento com niquelagem, a torneira e o eixo superior e inferior resistem \u00e0 corros\u00e3o, resist\u00eancia \u00e0 corros\u00e3o. Ap\u00f3s usinagem de desbaste, a haste da v\u00e1lvula \u00e9 tratada por revenido<br>e revenido, e a dureza superficial n\u00e3o \u00e9 inferior a 900HV ap\u00f3s o acabamento, o que melhora o desempenho anti-mordida e anti-desgaste da luva do parafuso. A ranhura guia em formato de 1 e a cabe\u00e7a da chave guia na luva do parafuso s\u00e3o processadas e depois temperadas, n\u00e3o menos que 45HRC, o que melhora a resist\u00eancia ao desgaste e garante que a chave guia possa deslizar livremente na ranhura guia.<\/p>\n\n\n\n<p>5.Ajuste e manuten\u00e7\u00e3o online da gaxeta. A torneira da esteira possui janela para ajuste e manuten\u00e7\u00e3o da gaxeta em ambos os lados do suporte.<\/p>\n\n\n\n<p>6.Estrutura integral do galo. A torneira da v\u00e1lvula de torneira adota uma estrutura de fundi\u00e7\u00e3o integral. A torneira est\u00e1 integrada nos eixos superior e inferior. Quando a compress\u00e3o unidirecional \u00e9 aplicada, certifique-se de que os eixos superior e inferior tenham rigidez, resist\u00eancia e resist\u00eancia \u00e0 flex\u00e3o suficientes.<\/p>\n\n\n\n<p>7. A fun\u00e7\u00e3o de al\u00edvio de sobrepress\u00e3o da cavidade da v\u00e1lvula, a diferen\u00e7a de press\u00e3o \u00e9 causada pela mudan\u00e7a da temperatura ambiente. V\u00e1lvula duplamente selada no estado fechado, a cavidade da v\u00e1lvula do meio com o aumento da expans\u00e3o do volume da temperatura ambiente, a press\u00e3o aumentada gradualmente, se n\u00e3o liberar oportunamente a diferen\u00e7a de press\u00e3o, ter\u00e1 um s\u00e9rio impacto no funcionamento da v\u00e1lvula, ou mesmo a expans\u00e3o da rachadura da v\u00e1lvula, para a seguran\u00e7a do sistema, causou s\u00e9rios problemas ocultos. As v\u00e1lvulas macho ferrovi\u00e1rias geralmente possuem tr\u00eas sistemas de al\u00edvio.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>7.1 sistema manual de al\u00edvio de press\u00e3o (para opera\u00e7\u00e3o manual da v\u00e1lvula). Geralmente v\u00e1lvulas do tipo agulha montadas no corpo da v\u00e1lvula. Quando a v\u00e1lvula estiver fechada, abra a v\u00e1lvula de al\u00edvio de press\u00e3o na c\u00e2mara intermedi\u00e1ria e libere o meio no corpo da v\u00e1lvula para a montante da tubula\u00e7\u00e3o ou para a atmosfera (verifique o efeito de veda\u00e7\u00e3o da v\u00e1lvula ao liberar para a atmosfera).<\/li>\n\n\n\n<li>7.2 sistema de al\u00edvio de press\u00e3o diferencial (para opera\u00e7\u00e3o manual e el\u00e9trica de v\u00e1lvulas). Um sistema de tubula\u00e7\u00e3o com v\u00e1lvula de reten\u00e7\u00e3o. A v\u00e1lvula de isolamento geralmente abre, quando a v\u00e1lvula est\u00e1 fechada, atrav\u00e9s da v\u00e1lvula unidirecional (v\u00e1lvula de reten\u00e7\u00e3o) no corpo do al\u00edvio de sobrepress\u00e3o at\u00e9 a v\u00e1lvula a montante e o tubo conectado. Ao mesmo tempo, a v\u00e1lvula de libera\u00e7\u00e3o manual pode ser aberta para testar o efeito de veda\u00e7\u00e3o da v\u00e1lvula. Quando a v\u00e1lvula \u00e9 aberta, a v\u00e1lvula de libera\u00e7\u00e3o manual deve ser fechada.<\/li>\n\n\n\n<li>7.3 sistema autom\u00e1tico de al\u00edvio de press\u00e3o (para v\u00e1lvulas operadas eletricamente). Quando a v\u00e1lvula estiver fechada, a v\u00e1lvula de al\u00edvio de press\u00e3o ser\u00e1 aberta automaticamente atrav\u00e9s do mecanismo de opera\u00e7\u00e3o para conectar a c\u00e2mara da v\u00e1lvula com a montante da tubula\u00e7\u00e3o ou com o mundo externo.<\/li>\n<\/ul>\n\n\n\n<style>\n    .pans-faq-container {\n        font-family: Arial, sans-serif;\n        max-width: 100%;\n        margin: 20px auto;\n        padding: 10px;\n    }\n\n    .pans-faq-title {\n        color: #D70C19;\n        font-size: 24px;\n        margin-bottom: 25px;\n        border-left: 5px solid #D70C19;\n        padding-left: 15px;\n    }\n\n    .faq-item {\n        background: #ffffff;\n        border-radius: 8px;\n        padding: 20px;\n        margin-bottom: 15px;\n        box-shadow: 0 2px 5px rgba(0,0,0,0.1);\n        transition: transform 0.3s ease, box-shadow 0.3s ease;\n        border: 1px solid #eee;\n    }\n\n    \/* Hover Effect for Professional Feel *\/\n    .faq-item:hover {\n        transform: translateY(-5px);\n        box-shadow: 0 10px 20px rgba(0,0,0,0.12);\n        border-color: #D70C19;\n    }\n\n    .faq-question {\n        color: #666666;\n        font-weight: bold;\n        font-size: 18px;\n        margin-bottom: 10px;\n        display: flex;\n        align-items: flex-start;\n    }\n\n    .faq-question span {\n        color: #D70C19;\n        margin-right: 10px;\n    }\n\n    .faq-answer {\n        color: #333333;\n        line-height: 1.6;\n        font-size: 16px;\n    }\n\n    \/* Responsive Adjustments *\/\n    @media (max-width: 768px) {\n        .pans-faq-title { font-size: 20px; }\n        .faq-question { font-size: 16px; }\n        .faq-answer { font-size: 14px; }\n        .faq-item { padding: 15px; }\n    }\n<\/style>\n\n<div class=\"pans-faq-container\" itemscope itemtype=\"https:\/\/schema.org\/FAQPage\">\n    <h2 class=\"pans-faq-title\">Perguntas frequentes sobre a v\u00e1lvula de plugue DBB<\/h2>\n\n    <div class=\"faq-item\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n        <div class=\"faq-question\" itemprop=\"name\"><span>1.<\/span> O que \u00e9 uma v\u00e1lvula de plugue DBB e por que ela \u00e9 fundamental para o isolamento do processo?<\/div>\n        <div class=\"faq-answer\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n            <div itemprop=\"text\">Uma v\u00e1lvula de bloqueio duplo (DBB Plug Valve, do ingl\u00eas Double Block and Bleed Plug Valve) \u00e9 uma v\u00e1lvula especializada projetada para fornecer isolamento positivo absoluto, obtendo duas veda\u00e7\u00f5es independentes ao longo do fluxo, com uma porta de ventila\u00e7\u00e3o ou sangria entre elas. Essa capacidade \u00e9 fundamental para a seguran\u00e7a e a manuten\u00e7\u00e3o em aplica\u00e7\u00f5es onde a aus\u00eancia total de vazamentos \u00e9 primordial, como isolamento de dutos, esta\u00e7\u00f5es de medi\u00e7\u00e3o e parques de tanques.<\/div>\n        <\/div>\n    <\/div>\n\n    <div class=\"faq-item\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n        <div class=\"faq-question\" itemprop=\"name\"><span>2.<\/span> Como uma v\u00e1lvula de expans\u00e3o DBB garante o fechamento herm\u00e9tico?<\/div>\n        <div class=\"faq-answer\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n            <div itemprop=\"text\">Uma v\u00e1lvula de expans\u00e3o DBB utiliza um mecanismo exclusivo no qual o plugue se expande radialmente contra as sedes do corpo da v\u00e1lvula ap\u00f3s a rota\u00e7\u00e3o, criando uma veda\u00e7\u00e3o mec\u00e2nica herm\u00e9tica contra a press\u00e3o a montante e a jusante. Essa a\u00e7\u00e3o de veda\u00e7\u00e3o positiva garante isolamento absoluto e permite a verifica\u00e7\u00e3o da integridade da veda\u00e7\u00e3o atrav\u00e9s da porta de sangria.<\/div>\n        <\/div>\n    <\/div>\n\n    <div class=\"faq-item\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n        <div class=\"faq-question\" itemprop=\"name\"><span>3.<\/span> Quais s\u00e3o as principais vantagens de usar uma v\u00e1lvula de plugue DBB em compara\u00e7\u00e3o com as configura\u00e7\u00f5es de v\u00e1lvulas tradicionais?<\/div>\n        <div class=\"faq-answer\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n            <div itemprop=\"text\">As principais vantagens de uma v\u00e1lvula de bloqueio duplo (DBB) incluem maior seguran\u00e7a por meio de vazamento zero verific\u00e1vel, redu\u00e7\u00e3o de emiss\u00f5es fugitivas, layouts de tubula\u00e7\u00e3o simplificados (substituindo v\u00e1rias v\u00e1lvulas) e a capacidade de realizar manuten\u00e7\u00e3o em equipamentos a jusante sem interromper toda a linha. Ela oferece isolamento superior em compara\u00e7\u00e3o com v\u00e1lvulas de bloqueio simples.<\/div>\n        <\/div>\n    <\/div>\n\n    <div class=\"faq-item\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n        <div class=\"faq-question\" itemprop=\"name\"><span>4.<\/span> Em quais setores e aplica\u00e7\u00f5es as v\u00e1lvulas de plugue DBB s\u00e3o mais comumente empregadas?<\/div>\n        <div class=\"faq-answer\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n            <div itemprop=\"text\">As v\u00e1lvulas de plugue DBB s\u00e3o predominantemente empregadas na ind\u00fastria de petr\u00f3leo e g\u00e1s (explora\u00e7\u00e3o, transporte e refino), petroqu\u00edmica, processamento qu\u00edmico e gera\u00e7\u00e3o de energia. As principais aplica\u00e7\u00f5es incluem isolamento de dutos, sistemas de medi\u00e7\u00e3o, lan\u00e7adores\/receptores de pigs, isolamento de tanques e qualquer servi\u00e7o cr\u00edtico que exija isolamento absoluto para seguran\u00e7a ou integridade do produto.<\/div>\n        <\/div>\n    <\/div>\n\n    <div class=\"faq-item\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n        <div class=\"faq-question\" itemprop=\"name\"><span>5.<\/span> As suas v\u00e1lvulas de plugue DBB est\u00e3o em conformidade com as normas ASME para v\u00e1lvulas de plugue DBB?<\/div>\n        <div class=\"faq-answer\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n            <div itemprop=\"text\">Sim, como fabricante de v\u00e1lvulas de plugue DBB de renome, nossos produtos s\u00e3o projetados e fabricados em conformidade com as normas internacionais relevantes, incluindo as especifica\u00e7\u00f5es ASME para v\u00e1lvulas de plugue DBB. Isso garante que nossas v\u00e1lvulas atendam aos rigorosos requisitos de projeto, materiais, fabrica\u00e7\u00e3o, testes e garantia de qualidade, proporcionando confiabilidade e seguran\u00e7a para aplica\u00e7\u00f5es cr\u00edticas.<\/div>\n        <\/div>\n    <\/div>\n\n    <div class=\"faq-item\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n        <div class=\"faq-question\" itemprop=\"name\"><span>6.<\/span> Como posso fazer um pedido experimental?<\/div>\n        <div class=\"faq-answer\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n            <div itemprop=\"text\">Basta clicar em \u201cSolicitar Or\u00e7amento\u201d ou nos enviar um e-mail. Responderemos com um or\u00e7amento e desenhos em at\u00e9 24 horas.<\/div>\n        <\/div>\n    <\/div>\n<\/div>\n\n\n\n<a href=\"https:\/\/www.pansvalve.com\/pt\/contact-us\/\" target=\"_blank\" rel=\"noopener noreferrer\" class=\"b2b-cta-btn\">\n    Solicite um or\u00e7amento\n<\/a>\n\n<style>\n    \/* High-Conversion Button Styling *\/\n    .b2b-cta-btn {\n        display: inline-block; \/* Crucial: Makes the link behave like a block button *\/\n        background-color: #D70C19;\n        color: #FFFFFF!important;\n        border: 2px solid #D70C19; \n        padding: 14px 32px;\n        font-size: 16px;\n        font-weight: 600;\n        font-family: Arial, sans-serif;\n        text-align: center;\n        text-transform: uppercase; \n        border-radius: 4px; \n        cursor: pointer;\n        transition: all 0.3s ease-in-out; \n        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);\n        text-decoration: none; \/* Removes the default hyperlink underline *\/\n    }\n\n    \/* Hover Reversal State *\/\n    .b2b-cta-btn:hover {\n        background-color: #FFFFFF;\n        color: #D70C19!important;\n        box-shadow: 0 6px 12px rgba(215, 12, 25, 0.2); \n        text-decoration: none; \/* Ensures underline stays hidden on hover *\/\n    }\n\n    \/* Active Click State *\/\n    .b2b-cta-btn:active {\n        transform: translateY(2px);\n        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);\n    }\n<\/style>","protected":false},"excerpt":{"rendered":"<p>Operating Principle The connection between the sealing element (slide block) and the cock of the rail-type cock adopts the guide-rail structure. Valves in the process of opening, first through the drive mechanism (design) given cock ascend to a certain height, as the cock, two slider is gradually cock center back to the valve, when the [&hellip;]<\/p>\n","protected":false},"featured_media":1805,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product":[155],"class_list":["post-1311","products","type-products","status-publish","has-post-thumbnail","hentry","product-plug-valve"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>DBB Plug Valve | Industrial Valve Manufacturer Pans<\/title>\n<meta name=\"description\" content=\"Explore the reliable DBB Plug Valve, designed for high-performance applications. Featuring a double-seal structure and superior corrosion resistance, with manual, electric, and pneumatic drive options for enhanced safety and efficiency. 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