{"id":7826,"date":"2018-11-21T09:00:56","date_gmt":"2018-11-21T08:00:56","guid":{"rendered":"https:\/\/vaporparalaindustria.com\/?p=7826"},"modified":"2021-04-20T17:42:03","modified_gmt":"2021-04-20T16:42:03","slug":"como-seleccionar-valvulas-de-control-para-sistemas-de-vapor","status":"publish","type":"post","link":"https:\/\/vaporparalaindustria.com\/pt\/como-seleccionar-valvulas-de-control-para-sistemas-de-vapor\/","title":{"rendered":"Como selecionar as v\u00e1lvulas de controle para sistemas de vapor?"},"content":{"rendered":"<p><em><span style=\"font-weight: 400;\">O crit\u00e9rio de sele\u00e7\u00e3o das v\u00e1lvulas de controle para sistemas de vapor \u00e9 baseado nas op\u00e7\u00f5es de controle autom\u00e1tico dispon\u00edveis, portanto as decis\u00f5es a serem tomadas antes de faz\u00ea-lo depender\u00e3o de uma s\u00e9rie de fatores vari\u00e1veis; alguns dos quais, como custo, prefer\u00eancia pessoal e moda atual, s\u00f3 podem ser considerados caso a caso e n\u00e3o podem ser inclu\u00eddos neste artigo.<\/span><\/em><\/p>\n<p><span style=\"font-weight: 400;\">Como orienta\u00e7\u00e3o, as op\u00e7\u00f5es de controle autom\u00e1tico a serem consideradas na sele\u00e7\u00e3o de v\u00e1lvulas de controle para sistemas de vapor s\u00e3o as seguintes:<\/span><\/p>\n<ul>\n<li><b>Aplica\u00e7\u00e3o.<\/b><\/li>\n<li><strong>For\u00e7a motriz.<\/strong><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Em primeiro lugar, para selecionar corretamente as v\u00e1lvulas de controle para sistemas de vapor, s\u00e3o necess\u00e1rios detalhes da aplica\u00e7\u00e3o e do processo em si, como, por exemplo:<\/span><\/p>\n<p><script src=\"https:\/\/fast.wistia.com\/embed\/medias\/1ykghlk4dz.jsonp\" async><\/script><script src=\"https:\/\/fast.wistia.com\/assets\/external\/E-v1.js\" async><\/script><\/p>\n<div class=\"wistia_embed wistia_async_1ykghlk4dz seo=false\" style=\"width: 100%; height: 218px; position: relative;\"><\/div>\n<p>&nbsp;<\/p>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">H\u00e1 alguma caracter\u00edstica de seguran\u00e7a que afete? Por exemplo, a posi\u00e7\u00e3o de seguran\u00e7a da mola da v\u00e1lvula est\u00e1 fechada ou a mola est\u00e1 aberta? \u00c9 necess\u00e1rio um controle separado para limites alto e baixo?<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">O que estamos a controlar? Por exemplo, temperatura, press\u00e3o, n\u00edvel, taxa de fluxo.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Qual \u00e9 o meio e as suas propriedades f\u00edsicas? Qual \u00e9 o seu caudal?<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Qual \u00e9 a press\u00e3o diferencial atrav\u00e9s da v\u00e1lvula de controle em toda a faixa de carga?<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Quais s\u00e3o os materiais das v\u00e1lvulas e as conex\u00f5es finais?<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Que tipo de processo est\u00e1 sendo controlado? Por exemplo, um permutador de calor utilizado para aquecimento ou para um processo?<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Para controle de temperatura, o set point de temperatura \u00e9 fixo ou vari\u00e1vel?<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">A carga \u00e9 constante ou vari\u00e1vel? E, se vari\u00e1vel, qual \u00e9 a escala de tempo para a mudan\u00e7a, r\u00e1pida ou lenta?<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">A temperatura a ser mantida \u00e9 de natureza cr\u00edtica?<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u00c9 necess\u00e1rio controle de um ou v\u00e1rios la\u00e7os?<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Que outras fun\u00e7\u00f5es (se houver) o controle deve realizar? Por exemplo, controle de temperatura de um sistema de aquecimento normal, mas com a adi\u00e7\u00e3o de prote\u00e7\u00e3o contra congelamento durante per\u00edodos de \"desligamento\".<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">A f\u00e1brica ou processo est\u00e1 em uma \u00e1rea perigosa?<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">A atmosfera\/ambiente \u00e9 corrosiva por natureza ou a v\u00e1lvula \u00e9 instalada ao ar livre ou em uma \u00e1rea \"suja\"?<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Que energia motriz est\u00e1 dispon\u00edvel, electricidade ou ar comprimido, e a que voltagem ou press\u00e3o?<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Uma vez definida a aplica\u00e7\u00e3o, o segundo aspecto da sele\u00e7\u00e3o de v\u00e1lvulas de controle para sistemas de vapor \u00e9 a for\u00e7a motriz, que \u00e9 o princ\u00edpio ativo que aciona a v\u00e1lvula ou o dispositivo de controle. Geralmente, este dispositivo ou \u00e9 el\u00e9ctrico ou ar comprimido (para um sistema pneum\u00e1tico), electropneum\u00e1tico (uma mistura dos dois).<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Os sistemas de controle auto-acionados n\u00e3o requerem uma for\u00e7a motriz externa para operar, ou seja, eles geram sua pr\u00f3pria for\u00e7a motriz, pois incorporam um sistema fechado de press\u00e3o hidr\u00e1ulica ou de expans\u00e3o de fluido. \u00c0s vezes a pr\u00f3pria aplica\u00e7\u00e3o pode determinar a fonte de atua\u00e7\u00e3o. Por exemplo, se o controle estiver em uma \u00e1rea perigosa, um atuador pneum\u00e1tico ou auto-atuado pode ser prefer\u00edvel aos caros controles el\u00e9tricos \"intrinsecamente seguros\" (\u00e0 prova de explos\u00e3o).<\/span><\/p>\n<p><a href=\"https:\/\/koi-3QNKZ0D2AO.marketingautomation.services\/net\/m?md=PtF9rC%2FJvh%2F%2FhVAdM%2BhFp14wWXTZ2klk\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-9782 size-full\" src=\"https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2019\/01\/CTA-SOLICITAR-INFORMACIO\u0301N-VALVULAS-DE-CONTROL.png\" alt=\"\" width=\"2521\" height=\"1018\" srcset=\"https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2019\/01\/CTA-SOLICITAR-INFORMACIO\u0301N-VALVULAS-DE-CONTROL-150x61.png 150w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2019\/01\/CTA-SOLICITAR-INFORMACIO\u0301N-VALVULAS-DE-CONTROL-300x121.png 300w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2019\/01\/CTA-SOLICITAR-INFORMACIO\u0301N-VALVULAS-DE-CONTROL-600x242.png 600w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2019\/01\/CTA-SOLICITAR-INFORMACIO\u0301N-VALVULAS-DE-CONTROL-768x310.png 768w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2019\/01\/CTA-SOLICITAR-INFORMACIO\u0301N-VALVULAS-DE-CONTROL-800x323.png 800w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2019\/01\/CTA-SOLICITAR-INFORMACIO\u0301N-VALVULAS-DE-CONTROL-1024x413.png 1024w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2019\/01\/CTA-SOLICITAR-INFORMACIO\u0301N-VALVULAS-DE-CONTROL-1536x620.png 1536w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2019\/01\/CTA-SOLICITAR-INFORMACIO\u0301N-VALVULAS-DE-CONTROL-2048x827.png 2048w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2019\/01\/CTA-SOLICITAR-INFORMACIO\u0301N-VALVULAS-DE-CONTROL.png 2521w\" sizes=\"auto, (max-width: 2521px) 100vw, 2521px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<h3><b>Caracter\u00edsticas das op\u00e7\u00f5es de fontes de acionamento<\/b><\/h3>\n<p><!-- comentario--><\/p>\n<ul>\n<li style=\"font-weight: 400;\">\n<h4><strong>Controles auto-atuantes<\/strong><\/h4>\n<ul>\n<li><b>Vantagens:<\/b>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Robusto, simples, tolerante a ambientes 'hostis'.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">F\u00e1cil de instalar e comissionar.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Proporcionam um controlo proporcional com uma capacidade de alcance muito elevada.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Os controles podem ser comandados para abrir ou fechar no caso de um excesso de temperatura inaceit\u00e1vel.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Eles s\u00e3o seguros para uso em \u00e1reas perigosas.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Relativamente livre de manuten\u00e7\u00e3o. <\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><strong>Desvantagens<\/strong>:\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Os controles de temperatura auto-atuantes podem ser relativamente lentos a reagir, eles n\u00e3o s\u00e3o fornecidos com fun\u00e7\u00f5es de controle integral e derivado.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Eles n\u00e3o podem retransmitir dados.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><!--comentario--><\/p>\n<ul>\n<li style=\"font-weight: 400;\">\n<h4><strong>Controles el\u00e9tricos<\/strong><\/h4>\n<ul>\n<li><b>Vantagens:<\/b>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Posicionamento altamente preciso.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Os controladores est\u00e3o dispon\u00edveis para dar alta versatilidade com modo de controle tudo-zero ou combina\u00e7\u00e3o P+I+D e sa\u00edda multi-fun\u00e7\u00e3o.<\/span><\/li>\n<\/ul>\n<\/li>\n<li><b>Desvantagens:<\/b>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">O funcionamento das v\u00e1lvulas el\u00e9tricas \u00e9 relativamente lento, o que significa que elas nem sempre s\u00e3o adequadas para mudan\u00e7as bruscas nos par\u00e2metros do processo, tais como o controle da press\u00e3o de cargas em r\u00e1pida mudan\u00e7a.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">A instala\u00e7\u00e3o e a coloca\u00e7\u00e3o em funcionamento s\u00e3o tanto el\u00e9ctricas como mec\u00e2nicas, pelo que se deve ter em conta a instala\u00e7\u00e3o de uma fonte de alimenta\u00e7\u00e3o separada e o custo da cablagem.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Os actuadores el\u00e9ctricos tendem a ter um funcionamento menos suave do que os actuadores pneum\u00e1ticos. Para fun\u00e7\u00f5es de seguran\u00e7a, s\u00e3o necess\u00e1rios actuadores com mola para que a mola abra ou feche em caso de falha de energia. Isto pode reduzir substancialmente a for\u00e7a de fechamento e \u00e9 geralmente mais caro.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Para uso em \u00e1reas perigosas, s\u00e3o necess\u00e1rios controles el\u00e9tricos intrinsecamente seguros ou \u00e0 prova de explos\u00e3o. S\u00e3o uma proposta dispendiosa e, portanto, pode ser necess\u00e1ria uma solu\u00e7\u00e3o pneum\u00e1tica ou eletropneum\u00e1tica. S\u00e3o necess\u00e1rias t\u00e9cnicas especiais para a instala\u00e7\u00e3o em \u00e1reas t\u00e3o perigosas.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li style=\"font-weight: 400;\">\n<h4><strong>Controles eletropneum\u00e1ticos<\/strong><\/h4>\n<ul>\n<li><b>Vantagens:<\/b>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Os controles eletropneum\u00e1ticos combinam as melhores caracter\u00edsticas dos controles eletr\u00f4nicos e pneum\u00e1ticos. Estes sistemas consistem em um atuador pneum\u00e1tico com v\u00e1lvula, um controlador el\u00e9trico\/eletr\u00f4nico, sensores e um sistema de controle mais um posicionador ou conversor eletropneum\u00e1tico.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">A combina\u00e7\u00e3o fornece a pot\u00eancia e o funcionamento suave de um atuador\/v\u00e1lvula pneum\u00e1tica com a velocidade e precis\u00e3o de um sistema de controle eletr\u00f4nico. A opera\u00e7\u00e3o de abertura ou fechamento em caso de falha pode ser instalada sem penaliza\u00e7\u00e3o de custos e com o uso de 'barreiras' adequadas e\/ou configurando a parte el\u00e9trica\/eletr\u00f4nica do sistema para \u00e1reas de 'seguran\u00e7a'. Eles podem ser usados onde a seguran\u00e7a intr\u00ednseca \u00e9 necess\u00e1ria.<\/span><\/li>\n<\/ul>\n<\/li>\n<li><b>Desvantagens:<\/b>\n<ul>\n<li><span style=\"font-weight: 400;\">Requerem ar comprimido e alimenta\u00e7\u00e3o el\u00e9trica, embora isso normalmente n\u00e3o seja um problema em ambientes industriais.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Finalmente, tr\u00eas fatores importantes devem ser levados em considera\u00e7\u00e3o ao considerar uma aplica\u00e7\u00e3o e a for\u00e7a motriz necess\u00e1ria:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Mudan\u00e7as na carga.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Se o ponto de ajuste \u00e9 cr\u00edtico ou n\u00e3o.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Se o ponto de ajuste tiver de ser variado.<\/span><\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-7830 aligncenter\" src=\"https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2018\/11\/Seleccionar-valvulas-de-control-para-sistemas-de-vapor-2.jpg\" alt=\"Seleccionar valvulas de control para sistemas de vapor \" width=\"595\" height=\"536\" srcset=\"https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2018\/11\/Seleccionar-valvulas-de-control-para-sistemas-de-vapor-2-150x135.jpg 150w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2018\/11\/Seleccionar-valvulas-de-control-para-sistemas-de-vapor-2-300x270.jpg 300w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2018\/11\/Seleccionar-valvulas-de-control-para-sistemas-de-vapor-2.jpg 595w\" sizes=\"auto, (max-width: 595px) 100vw, 595px\" \/><\/p>\n<p><a href=\"https:\/\/koi-3QNKZ0D2AO.marketingautomation.services\/net\/m?md=ZmkHbNtvWeUlu%2BCRWSYKby%2FCuH3FwLAp\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-9780 size-full\" src=\"https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2019\/05\/CTA-DOSSIER-TE\u0301CNICO-VALVULAS-DE-CONTROL.jpg\" alt=\"\" width=\"2522\" height=\"1092\" srcset=\"https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2019\/05\/CTA-DOSSIER-TE\u0301CNICO-VALVULAS-DE-CONTROL-150x65.jpg 150w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2019\/05\/CTA-DOSSIER-TE\u0301CNICO-VALVULAS-DE-CONTROL-300x130.jpg 300w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2019\/05\/CTA-DOSSIER-TE\u0301CNICO-VALVULAS-DE-CONTROL-600x260.jpg 600w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2019\/05\/CTA-DOSSIER-TE\u0301CNICO-VALVULAS-DE-CONTROL-768x333.jpg 768w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2019\/05\/CTA-DOSSIER-TE\u0301CNICO-VALVULAS-DE-CONTROL-800x346.jpg 800w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2019\/05\/CTA-DOSSIER-TE\u0301CNICO-VALVULAS-DE-CONTROL-1024x443.jpg 1024w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2019\/05\/CTA-DOSSIER-TE\u0301CNICO-VALVULAS-DE-CONTROL-1536x665.jpg 1536w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2019\/05\/CTA-DOSSIER-TE\u0301CNICO-VALVULAS-DE-CONTROL-2048x887.jpg 2048w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2019\/05\/CTA-DOSSIER-TE\u0301CNICO-VALVULAS-DE-CONTROL.jpg 2522w\" sizes=\"auto, (max-width: 2522px) 100vw, 2522px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">Para mais informa\u00e7\u00f5es sobre como selecionar v\u00e1lvulas de controle para sistemas de vapor e para saber como selecionar v\u00e1lvulas de controle para sistemas de vapor, por favor visite <\/span><a href=\"https:\/\/vaporparalaindustria.com\/pt\/como-mejorar-la-gestion-de-la-eficiencia-energetica-en-activos-industriales\/\" target=\"_blank\" rel=\"noopener noreferrer\"><span style=\"font-weight: 400;\">como melhorar a gest\u00e3o da efici\u00eancia energ\u00e9tica dos ativos industriais<\/span><\/a><span style=\"font-weight: 400;\">convidamo-lo a subscrever o <\/span><a href=\"https:\/\/vaporparalaindustria.com\/pt\/newsletter\/?utm_source=newsletter&amp;utm_medium=cta_vapor&amp;utm_campaign=vapor_cta_newsletter\" target=\"_blank\" rel=\"noopener noreferrer\"><span style=\"font-weight: 400;\">Boletim Informativo Steam for Industry<\/span><\/a><span style=\"font-weight: 400;\">com o qual voc\u00ea receber\u00e1 informa\u00e7\u00f5es sobre a gest\u00e3o eficiente dos sistemas de vapor.<\/span><\/p>\n<p><a href=\"https:\/\/vaporparalaindustria.com\/pt\/ebook-problemas-con-la-calidad-y-pureza-del-vapor-en-la-industria\/?utm_source=EBOOK_PUREZA&amp;utm_medium=CTA_BLOG&amp;utm_campaign=EBOOK_PUREZA_CTA_BLOG\" target=\"_blank\" rel=\"noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-7460 size-full\" title=\"qualidade e pureza do vapor na ind\u00fastria de alimentos e bebidas\" src=\"https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2018\/07\/EBOOK.-CALIDAD-DE-VAPOR-ALIMENTO-Y-BEBIDAS.001.jpeg\" alt=\"la calidad y pureza del vapor en la industria de alimentaci\u00f3n y bebidas\" width=\"1021\" height=\"400\" srcset=\"https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2018\/07\/EBOOK.-CALIDAD-DE-VAPOR-ALIMENTO-Y-BEBIDAS.001-150x59.jpeg 150w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2018\/07\/EBOOK.-CALIDAD-DE-VAPOR-ALIMENTO-Y-BEBIDAS.001-300x118.jpeg 300w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2018\/07\/EBOOK.-CALIDAD-DE-VAPOR-ALIMENTO-Y-BEBIDAS.001-600x235.jpeg 600w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2018\/07\/EBOOK.-CALIDAD-DE-VAPOR-ALIMENTO-Y-BEBIDAS.001-768x301.jpeg 768w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2018\/07\/EBOOK.-CALIDAD-DE-VAPOR-ALIMENTO-Y-BEBIDAS.001-800x313.jpeg 800w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2018\/07\/EBOOK.-CALIDAD-DE-VAPOR-ALIMENTO-Y-BEBIDAS.001.jpeg 1021w\" sizes=\"auto, (max-width: 1021px) 100vw, 1021px\" \/><\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Os crit\u00e9rios de selec\u00e7\u00e3o das v\u00e1lvulas de regula\u00e7\u00e3o para sistemas de vapor baseiam-se nas op\u00e7\u00f5es de regula\u00e7\u00e3o autom\u00e1tica dispon\u00edveis, pelo que as decis\u00f5es que devem ser tomadas antes de o fazer depender\u00e3o de uma s\u00e9rie de factores vari\u00e1veis; alguns dos quais, como o custo, a prefer\u00eancia pessoal e a moda actual, s\u00f3 ser\u00e3o tidos em conta na selec\u00e7\u00e3o das v\u00e1lvulas de regula\u00e7\u00e3o para sistemas de vapor.<\/p>","protected":false},"author":1,"featured_media":7828,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[67,76],"tags":[],"class_list":{"2":"type-post","7":"category-optimizacion-de-sistemas-de-vapor","8":"category-valvulas-de-control","9":"entry"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Seleccionar v\u00e1lvulas de control para sistemas de vapor<\/title>\n<meta name=\"description\" content=\"El criterio a seguir para seleccionar v\u00e1lvulas de control para sistemas de vapor se basa en las opciones de control autom\u00e1tico disponibles.\" \/>\n<meta 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