{"id":3998,"date":"2015-04-10T17:17:01","date_gmt":"2015-04-10T17:17:01","guid":{"rendered":"http:\/\/www.equilibar.com\/back-pressure-regulators-vacuum-control-valves-2\/"},"modified":"2017-06-29T17:35:08","modified_gmt":"2017-06-29T17:35:08","slug":"reguladores-de-contrapressao","status":"publish","type":"page","link":"https:\/\/www.equilibar.com\/pt-br\/","title":{"rendered":"Reguladores de Contrapress\u00e3o"},"content":{"rendered":"<p class=\"p1\"><span class=\"s1\"><div class=\"grid\"><div class=\"c-two-third \"><\/span>O Equilibar \u00e9 um fabricante que se concentra no projeto e constru\u00e7\u00e3o de produtos de controle de press\u00e3o inovadores para a maioria das aplica\u00e7\u00f5es pelo mundo. N\u00f3s trabalhamos diretamente com institui\u00e7\u00f5es de pesquisa e industriais para oferecer as melhores solu\u00e7\u00f5es para problemas complexos. O Equilibar \u00e9 especialista em:<\/p> <ul> <li>v\u00e1lvulas de controle de press\u00e3o<\/li> <li>reguladores de press\u00e3o de v\u00e1cuo<\/li> <li>sistemas de controle para press\u00f5es muito baixas e press\u00f5es diferenciais baixas<\/li> <\/ul> <h2>Reguladores de Contrapress\u00e3o<\/h2> <p>Os reguladores Equilibar oferecem v\u00e1rias vantagens comparado com os modelos de v\u00e1lvula tradicionais. O Equilibar utiliza uma tecnologia singular na qual o fluxo do sistema passa simultaneamente atrav\u00e9s dos v\u00e1rios orif\u00edcios paralelos. Os modelos de reguladores tradicionais utilizam apenas um membro de v\u00e1lvula de movimento simples para modular o fluxo do sistema atrav\u00e9s de uma v\u00e1lvula principal acomodada. O modelo Equilibar supera muitas limita\u00e7\u00f5es encontradas nos reguladores tradicionais.<\/p> <h3 style=\"padding-left: 30px;\">Fluxo Bif\u00e1sico<\/h3> <p style=\"padding-left: 30px;\">Os reguladores de contrapress\u00e3o tradicionais desenvolvem picos de press\u00e3o quando h\u00e1 controle das fases liquidas e gasosas mistas. As duas fases n\u00e3o podem atravessar um \u00fanico orif\u00edcio sob o mesmo \u00edndice. No modelo Equilibar com v\u00e1rios orif\u00edcios, permite-se que o l\u00edquido atravesse alguns dos orif\u00edcios enquanto a fase gasosa estiver sendo controlada com os demais orif\u00edcios. A contrapress\u00e3o permanece est\u00e1vel no ponto de ajuste desejado.<\/p> <h3 style=\"padding-left: 30px;\">\u00cdndices de Fluxo Muito Baixos a Muito Altos<\/h3> <p style=\"padding-left: 30px;\">Os reguladores tradicionais devem ter uma \u00e1rea para uma v\u00e1lvula \u00fanica principal capaz de atender ao maior \u00edndice de fluxo requerido. Isto torna dif\u00edcil o controle da press\u00e3o de forma precisa quando os \u00edndices de fluxo do sistema estiverem muito baixos. O modelo Equilibar com v\u00e1rios orif\u00edcios resolve o problema atrav\u00e9s do bloqueio de todas as sa\u00eddas de fluxo exceto um pequeno, \u00fanico orif\u00edcio quando os \u00edndices de fluxo do sistema estiverem baixos. Se repentinamente o \u00edndice de fluxo aumentar, orif\u00edcios paralelos adicionais s\u00e3o acionados instantaneamente e a contrapress\u00e3o permanece precisa na press\u00e3o do ponto de ajuste desejado.<\/p> <p style=\"padding-left: 30px;\"> <a href=\"\/pt-br\/reguladores-de-contrapressao-equilibar\/\">Aprenda mais em Reguladores de Contrapress\u00e3o Equilibar.<\/a> <\/p> <h3>Reguladores de V\u00e1cuo e V\u00e1lvulas de Controle<\/h3> <p>Os reguladores de v\u00e1cuo Equilibar s\u00e3o destinados para funcionar melhor e fornecer melhor flexibilidade que os controladores de press\u00e3o de v\u00e1cuo tradicionais. O Equilibar utiliza o diafragma para vedar diretamente uma gama de v\u00e1rios orif\u00edcios paralelos.<br \/> O diafragma \u00e9 apenas a \u00fanica parte mov\u00edvel. O modelo Equilibar elimina a histerese a fric\u00e7\u00e3o interna que os reguladores de v\u00e1cuo contempor\u00e2neos experimentam.<br \/> Este novo modelo tamb\u00e9m permite que uma ampla variedade de materiais seja usada na fabrica\u00e7\u00e3o para atender aos problemas de temperaturas espec\u00edficas, meios de corros\u00e3o, pureza ou custos.<\/p> <h3 style=\"padding-left: 30px;\">Controle de V\u00e1cuo Est\u00e1vel com Mudan\u00e7as dos \u00cdndices de Vaz\u00e3o<\/h3> <p style=\"padding-left: 30px;\">Os reguladores de v\u00e1cuo tradicionais utilizam molas internas e necessitam de an\u00e9is de veda\u00e7\u00e3o din\u00e2micos. Estes provocam varia\u00e7\u00e3o no controle de v\u00e1cuo, especialmente quando as demandas do fluxo do sistema modificam. O Equilibar soluciona com a permiss\u00e3o do fornecimento do controle atrav\u00e9s de um \u00fanico orif\u00edcio quando os \u00edndices de fluxo estiverem muito baixos. Os orif\u00edcios desnecess\u00e1rios permanecem fechados durante os baixos fluxos. Realiza-se o controle superior sob os \u00edndices de fluxo muito baixos. Quando as demandas do \u00edndice de fluxo aumentam, acrescenta-se capacidade de fluxo por parte dos v\u00e1rios orif\u00edcios paralelos. A \u00fanica membrana mov\u00edvel n\u00e3o fricciona e elimina histerese encontrada nas v\u00e1lvulas de controle tradicionais.<\/p> <h3 style=\"padding-left: 30px;\">Altas Temperaturas ou Meios Corrosivos<\/h3> <p style=\"padding-left: 30px;\">Outra vantagem do modelo Equilibar \u00e9 que ele pode ser fabricado de materiais que se coadunem com uma aplica\u00e7\u00e3o espec\u00edfica. As ligas de a\u00e7o inoxid\u00e1vel para o corpo principal podem ser associadas com um diafragma de folha met\u00e1lica fina para servi\u00e7os de altas temperaturas tais como equipamento para destila\u00e7\u00e3o de v\u00e1cuo ou cristaliza\u00e7\u00e3o de v\u00e1cuo. Materiais para corpo em Hastelloy, liga A20, ou Acetal, podem estar associados ao diafragma em PTFE para resist\u00eancia m\u00e1xima a meios corrosivos, molhados, ou quentes.<\/p> <p style=\"padding-left: 30px;\"> <a href=\"\/pt-br\/reguladores-de-vacuo-valvulas-de-controle-de-vacuo\/\">Aprenda mais em Reguladores de V\u00e1cuo Equilibar.<\/a> <\/p> <h2>Sistemas de Controle de Baixa Press\u00e3o<\/h2> <p>O Equilibar oferece reguladores press\u00e3o que precisamente controlam sob as baixas press\u00f5es. As op\u00e7\u00f5es de baixa press\u00e3o incluem reguladores redutores de press\u00e3o controlados manualmente, reguladores de press\u00e3o controlados eletronicamente, reguladores de v\u00e1cuo, e v\u00e1lvulas de contrapress\u00e3o.<\/p> <h3 style=\"padding-left: 30px;\">Reguladores de Press\u00e3o para Baixas Press\u00f5es<\/h3> <p style=\"padding-left: 30px;\">O Equilibar LPR \u00e9 um regulador de press\u00e3o controlado manualmente para aplica\u00e7\u00f5es est\u00e1ticos e de fluxo muito baixo tais como aplica\u00e7\u00e3o em laborat\u00f3rio onde calibra\u00e7\u00e3o nos quais demanda-se controle muito preciso.<\/p> <p style=\"padding-left: 30px;\">O Modelo 4100 \u00e9 um regulador de ajuste por bot\u00e3o que controla press\u00f5es baixas sob os \u00edndices de fluxo altos. Intervalos de press\u00e3o abaixo de 10mBar s\u00e3o poss\u00edveis.<\/p> <h3 style=\"padding-left: 30px;\">Regulador de Press\u00e3o Eletr\u00f4nica<\/h3> <p style=\"padding-left: 30px;\">A s\u00e9rie Q \u00e9 um grupo de reguladores de press\u00e3o de alta resolu\u00e7\u00e3o que s\u00e3o controlados por um sinal do ponto de ajuste eletr\u00f4nico.<\/p> <p style=\"padding-left: 30px;\">O sinal de comando \u00e9 diretamente comparado ao sinal do transdutor da press\u00e3o interna para controle preciso de circuito fechado.<\/p> <p style=\"padding-left: 30px;\">A s\u00e9rie Q utiliza uma v\u00e1lvula solenoide verdadeiramente proporcional ou um amplificador mec\u00e2nico de dinamiza\u00e7\u00e3o de volume para fornecimento de fluxo necess\u00e1rio.<\/p> <h3 style=\"padding-left: 30px;\">Reguladores de Baixos Diferenciais<\/h3> <p style=\"padding-left: 30px;\">A S\u00e9rie Equilibar HV \u00e9 especificamente projetada para lidar com aplica\u00e7\u00f5es pr\u00f3ximas a atmosfera ou com press\u00f5es com baixos diferenciais que demandem \u00edndices de fluxos muito altos.<\/p> <p style=\"padding-left: 30px;\">Os exemplos de aplica\u00e7\u00f5es incluem sistemas de recupera\u00e7\u00e3o de vapor, controle de v\u00e1cuo por caixas com luvas de baixa press\u00e3o, bloqueio de tanque, e sistemas de filtra\u00e7\u00e3o e separa\u00e7\u00e3o de membranas.<\/p> <p style=\"padding-left: 30px;\">Os intervalos de press\u00e3o t\u00e3o baixas quanto 10 mBar s\u00e3o poss\u00edveis com um intervalo de controle m\u00e1ximo de 1 Bar. Os tamanhos das entradas s\u00e3o de DN50 a DN200. As pe\u00e7as molhadas em a\u00e7o inoxid\u00e1vel e PTFE Teflon est\u00e3o dispon\u00edveis.<\/p> <p style=\"padding-left: 30px;\"> <a href=\"\/pt-br\/reguladores-de-baixa-pressao\/\">Aprenda mais em Reguladores de Baixa Pressao<\/a> <\/p> <h3>Diretiva de Equipamentos de Press\u00e3o<\/h3> <p>Todos os reguladores Equilibar padr\u00f5es s\u00e3o projetados conforme a Diretiva de Equipamentos de Press\u00e3o da Uni\u00e3o Europeia PED 2014\/68\/EU. O Equilibar usa ASME B31.3 e outros c\u00f3digos apropriados adicionais para o projeto, constru\u00e7\u00e3o e teste de todos os nossos produtos. Quando necess\u00e1rio, os reguladores Equilibar tamb\u00e9m recebem a marca CE. Veja Declara\u00e7\u00e3o de Conformidade da Diretiva de Equipamentos de Press\u00e3o.<\/p> <h3>Directly Contact an Equilibar Engineer<\/h3> <p>O Equilibar acolhe a sua pergunta. Um de nossos engenheiros cuidadosamente e prontamente analisar\u00e3o os detalhes de seu pedido para especificar o regulador Equilibar apropriado para atender suas exig\u00eancias t\u00e9cnicas. Nossa meta \u00e9 fornecer a voc\u00ea feedback no mesmo dia \u00fatil assim voc\u00ea ter\u00e1 uma resposta dispon\u00edvel na manh\u00e3 seguinte. 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e Valvole Regolazione Del Vuoto \" href=\"\/pt-br\/\">Regolatori Di Contropressione e Valvole Regolazione Del Vuoto<\/a> <\/span><\/p> <p class=\"p1\"><span class=\"s1\"> <a title=\"Reguladores de Contrapress\u00e3o Equilibar\" href=\"\/pt-br\/reguladores-de-contrapressao-equilibar\/\">Reguladores de Contrapress\u00e3o Equilibar<\/a> <\/span><\/p> <p><!-- p class=\"p1\"><span class=\"s1\"> <a title=\"Diretiva dos Equipamentos sob Press\u00e3o\" href=\"\/pt-br\/diretiva-dos-equipamentos-sob-pressao\/\">Diretiva dos Equipamentos sob Press\u00e3o<\/a> <\/span><\/p --> <p class=\"p1\"> <a title=\"Reguladores de V\u00e1cuo e V\u00e1lvulas de Controle de V\u00e1cuo\" href=\"\/pt-br\/reguladores-de-vacuo-valvulas-de-controle-de-vacuo\"><span class=\"s1\">Reguladores de V\u00e1cuo e V\u00e1lvulas de Controle de V\u00e1cuo<\/span><\/a> <\/p> <p class=\"p1\"><span class=\"s1\"> <a title=\"Reguladores de Baixa Press\u00e3o\" href=\"\/pt-br\/reguladores-de-baixa-pressao\">Reguladores de Baixa 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","protected":false},"excerpt":{"rendered":"","protected":false},"author":43,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-3998","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.0 (Yoast SEO v28.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Reguladores de Contrapress\u00e3o | V\u00e1lvulas de Contrapress\u00e3o<\/title>\n<meta name=\"description\" content=\"Oferecendo reguladores de contrapress\u00e3o, reguladores de v\u00e1cuo, v\u00e1lvulas de controle de v\u00e1cuo, e sistemas de controle para press\u00f5es baixas e press\u00f5es diferenciais.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.equilibar.com\/pt-br\/\" \/>\n<meta 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