{"id":19523,"date":"2022-07-11T11:10:04","date_gmt":"2022-07-11T11:10:04","guid":{"rendered":"https:\/\/zecovalve.com\/?p=19523"},"modified":"2023-07-05T13:21:35","modified_gmt":"2023-07-05T13:21:35","slug":"what-is-an-air-valve-air-valve-types-air-release-valve","status":"publish","type":"post","link":"https:\/\/zecovalve.com\/pt\/what-is-an-air-valve-air-valve-types-air-release-valve.html","title":{"rendered":"O que \u00e9 uma v\u00e1lvula de ar? Tipos de v\u00e1lvula de ar \u2013 V\u00e1lvula de libera\u00e7\u00e3o de ar"},"content":{"rendered":"<p>Todos os sistemas de abastecimento de \u00e1gua consistem em tubula\u00e7\u00f5es que transmitem a \u00e1gua da origem ao destino. Neste processo, bolsas de ar aprisionado podem se formar nas tubula\u00e7\u00f5es. Bols\u00f5es de gases no ar e em \u00e1guas residuais s\u00e3o dif\u00edceis de detectar e reduzir\u00e3o a efici\u00eancia geral do sistema de tubula\u00e7\u00e3o. As bolsas de ar tamb\u00e9m podem causar problemas de golpe de ar\u00edete, interrup\u00e7\u00e3o total do fluxo, rompimento de tubos, ru\u00eddo do sistema e corros\u00e3o de tubos. O ar na tubula\u00e7\u00e3o tamb\u00e9m pode causar instabilidade nas v\u00e1lvulas de controle, medidores e opera\u00e7\u00f5es do equipamento. Para garantir uma opera\u00e7\u00e3o segura e eficiente, \u00e9 fundamental remover continuamente o ar e os gases de \u00e1guas residuais do sistema de \u00e1gua.<\/p>\n\n\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-what-is-an-air-valve\">O que \u00e9 uma v\u00e1lvula de ar?<\/h2>\n\n\n\n<p>As v\u00e1lvulas de ar s\u00e3o uma parte essencial das redes de abastecimento de \u00e1gua. Quer se trate de uma linha de distribui\u00e7\u00e3o de \u00e1gua ou de esgoto, voc\u00ea pode encontrar um <a href=\"https:\/\/zecovalve.com\/pt\/what-is-an-air-valve-air-valve-types-air-release-valve.html\" data-internallinksmanager029f6b8e52c=\"1\" title=\"V\u00e1lvula de ar\" target=\"_blank\" rel=\"noopener\">v\u00e1lvula de ar<\/a> l\u00e1.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Principais componentes de uma v\u00e1lvula de libera\u00e7\u00e3o de ar<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Corpo da v\u00e1lvula<\/h3>\n\n\n\n<p>O exclusivo corpo da v\u00e1lvula em ferro d\u00factil \u00e9 compacto e abriga os flutuadores internos e o mecanismo superior. O corpo \u00e9 projetado para que a entrada fique completamente livre de guias de flutua\u00e7\u00e3o, permitindo que as v\u00e1lvulas borboleta sejam usadas diretamente sob o <a href=\"https:\/\/zecovalve.com\/pt\/what-is-an-air-valve-air-valve-types-air-release-valve.html\" data-internallinksmanager029f6b8e52c=\"1\" title=\"V\u00e1lvula de ar\" target=\"_blank\" rel=\"noopener\">v\u00e1lvula de ar<\/a> sem afetar o desempenho. Cada corpo de v\u00e1lvula possui uma v\u00e1lvula de drenagem \u00e0 prova de viola\u00e7\u00e3o de grau 316SS inferior, permitindo que a v\u00e1lvula seja drenada e testada de forma r\u00e1pida e segura.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Conjuntos flutuantes internos<\/h3>\n\n\n\n<p>Os flutuadores internos s\u00e3o todos fabricados em polipropileno em barra, garantindo que nunca possam mudar de massa ou formato. Os flutuadores s\u00e3o todos guiados e mantidos alinhados ao corpo pelas quatro nervuras guia no corpo da v\u00e1lvula, garantindo que n\u00e3o sejam soprados para o lado.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-air-valve-types\">Tipos de v\u00e1lvulas de ar<\/h2>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading\" id=\"h-1-combination-air-valves\">1. <a href=\"https:\/\/zecovalve.com\/pt\/produto\/combination-air-valve\/\"><strong><mark style=\"background-color:var(--base)\" class=\"has-inline-color has-contrast-2-color\">V\u00e1lvulas de ar combinadas<\/mark><\/strong><\/a><\/h3>\n\n\n\n<p>Combina a fun\u00e7\u00e3o de v\u00e1lvulas de ar autom\u00e1ticas e v\u00e1lvulas de ar e v\u00e1cuo. A fun\u00e7\u00e3o de libera\u00e7\u00e3o autom\u00e1tica de ar libera o ar acumulado do sistema enquanto este est\u00e1 sob press\u00e3o, e a fun\u00e7\u00e3o de ar e v\u00e1cuo descarrega e admite grandes volumes de ar durante o enchimento ou drenagem de tubula\u00e7\u00f5es. As v\u00e1lvulas de ar combinadas s\u00e3o v\u00e1lvulas de ar de orif\u00edcio duplo, v\u00e1lvulas de ar de dupla a\u00e7\u00e3o e v\u00e1lvulas de ar de orif\u00edcio duplo.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/combination-air-valve.jpg\" alt=\"\"\/><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading\" id=\"h-2-air-and-vacuum-valves\">2. V\u00e1lvulas de ar e v\u00e1cuo<\/h3>\n\n\n\n<p>Ele descarrega grandes volumes de ar de tubula\u00e7\u00f5es n\u00e3o pressurizadas e \u00e9 usado principalmente no enchimento de linhas. As v\u00e1lvulas de ar e v\u00e1cuo permitem admitir grandes volumes de ar quando as linhas s\u00e3o drenadas e a press\u00e3o cai repentinamente. As v\u00e1lvulas de ar e v\u00e1cuo s\u00e3o v\u00e1lvulas de ar cin\u00e9ticas, v\u00e1lvulas de ar de grande orif\u00edcio, disjuntores de v\u00e1cuo, v\u00e1lvulas de ar de baixa press\u00e3o, v\u00e1lvulas de al\u00edvio de ar e v\u00e1lvulas de ar de a\u00e7\u00e3o simples.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/07\/Air-and-vacuum-valve.jpg\" alt=\"\" width=\"370\" height=\"370\"\/><\/figure>\n<\/div><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading\" id=\"h-3-automatic-air-valves\">3. <a href=\"https:\/\/zecovalve.com\/pt\/produto\/single-orifice-air-release-valve\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong><mark style=\"background-color:var(--base)\" class=\"has-inline-color has-contrast-2-color\">V\u00e1lvulas de ar autom\u00e1ticas<\/mark><\/strong><\/a><\/h3>\n\n\n\n<p>Ele libera continuamente volumes relativamente pequenos de ar de uma linha pressurizada. As v\u00e1lvulas de ar autom\u00e1ticas tamb\u00e9m s\u00e3o conhecidas como v\u00e1lvulas de pequeno orif\u00edcio e de ar de press\u00e3o.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/single-orifice-air-release-valve-1.jpg\" alt=\"\" width=\"200\" height=\"228\"\/><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">O que causa ar nas tubula\u00e7\u00f5es de \u00e1gua?<\/h2>\n\n\n\n<p>O ar e o v\u00e1cuo formados nas tubula\u00e7\u00f5es de \u00e1gua podem levar a s\u00e9rios problemas operacionais e at\u00e9 mesmo a algumas consequ\u00eancias dram\u00e1ticas. O ar pode entrar nos sistemas de tubula\u00e7\u00e3o de diversas maneiras:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pipelines vazios<\/li>\n<\/ul>\n\n\n\n<p>As tubula\u00e7\u00f5es que n\u00e3o est\u00e3o em opera\u00e7\u00e3o est\u00e3o ocupadas com ar. A maior parte \u00e9 evacuada durante a inicializa\u00e7\u00e3o, mas algumas bolsas de ar podem permanecer no sistema.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ar no fluido<\/li>\n<\/ul>\n\n\n\n<p>L\u00edquidos como a \u00e1gua podem conter ar preso ou dissolvido, dependendo da temperatura e da press\u00e3o. Ele se separa do l\u00edquido durante o fluxo do fluido e pode ficar preso nos pontos altos do sistema. Al\u00e9m disso, em tubula\u00e7\u00f5es que transportam esgoto, os res\u00edduos l\u00edquidos podem sofrer rea\u00e7\u00f5es qu\u00edmicas e evoluir para gases que podem ficar presos no sistema de \u00e1guas residuais.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Equipamento Mec\u00e2nico<\/li>\n<\/ul>\n\n\n\n<p>O ar tamb\u00e9m pode entrar na tubula\u00e7\u00e3o atrav\u00e9s de sistemas mec\u00e2nicos como bombas, juntas de tubula\u00e7\u00e3o, v\u00e1lvulas, etc. Vazamentos ou veda\u00e7\u00f5es defeituosas nesses componentes podem levar \u00e0 infiltra\u00e7\u00e3o de ar no sistema de tubula\u00e7\u00e3o.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-the-function-of-air-valves\">A fun\u00e7\u00e3o das v\u00e1lvulas de ar<\/h2>\n\n\n\n<p>As v\u00e1lvulas de ar desempenham duas fun\u00e7\u00f5es importantes em um sistema de tubula\u00e7\u00e3o. Eles mant\u00eam a efici\u00eancia do projeto do sistema e fornecem prote\u00e7\u00e3o ao sistema. A efici\u00eancia do sistema \u00e9 mantida pela ventila\u00e7\u00e3o do ar atrav\u00e9s das v\u00e1lvulas de ar do sistema, o que pode restringir o fluxo e aumentar os custos de bombeamento.<\/p>\n\n\n\n<p>A prote\u00e7\u00e3o \u00e9 fornecida pela exaust\u00e3o e admiss\u00e3o de ar atrav\u00e9s das v\u00e1lvulas de ar durante as opera\u00e7\u00f5es do sistema, incluindo inicializa\u00e7\u00e3o, desligamento e condi\u00e7\u00f5es cr\u00edticas, como falhas de energia ou quebras de linha. O ar de exaust\u00e3o e admiss\u00e3o durante essas condi\u00e7\u00f5es reduzir\u00e1 o potencial de surtos destrutivos e golpe de ar\u00edete normalmente associados ao ar descontrolado ou ao v\u00e1cuo dentro do sistema de tubula\u00e7\u00e3o.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Como funciona uma v\u00e1lvula de ar?<\/h2>\n\n\n\n<p>As v\u00e1lvulas autom\u00e1ticas de libera\u00e7\u00e3o de ar s\u00e3o instaladas nos pontos mais altos de uma tubula\u00e7\u00e3o, onde o ar se acumula naturalmente. Bolhas de ar entram na v\u00e1lvula e deslocam o l\u00edquido em seu interior, diminuindo o n\u00edvel do l\u00edquido. Ele cai quando o n\u00edvel cai para onde n\u00e3o sustenta mais o flutuador. Este movimento afasta a sede do orif\u00edcio, acionando a v\u00e1lvula para abrir e liberar o ar acumulado na atmosfera.<\/p>\n\n\n\n<p>\u00c0 medida que o ar \u00e9 expelido, o l\u00edquido entra novamente na v\u00e1lvula, flutuando novamente a b\u00f3ia, levantando-a at\u00e9 que a sede pressione o orif\u00edcio, fechando a v\u00e1lvula. Este ciclo se repete automaticamente quantas vezes forem necess\u00e1rias para manter um sistema livre de ar.<\/p>\n\n\n\n<p>A instala\u00e7\u00e3o adequada \u00e9 cr\u00edtica para a opera\u00e7\u00e3o das v\u00e1lvulas de libera\u00e7\u00e3o de ar. Como essas v\u00e1lvulas s\u00e3o projetadas para liberar ar do sistema de tubula\u00e7\u00e3o, elas devem ser colocadas onde o ar tenha maior probabilidade de se acumular. Instale-os nos pontos altos do sistema verticalmente com a entrada voltada para baixo. Lembre-se de adicionar uma v\u00e1lvula de corte abaixo da v\u00e1lvula se for necess\u00e1ria manuten\u00e7\u00e3o.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Aplica\u00e7\u00f5es de v\u00e1lvulas de ar<\/h2>\n\n\n\n<p>Todos os sistemas de transporte de fluidos<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pot\u00e1vel<\/li>\n\n\n\n<li>Esgoto<\/li>\n\n\n\n<li>Residual<\/li>\n\n\n\n<li>\u00c1gua bruta<\/li>\n\n\n\n<li>\u00c1gua salgada (plantas de osmose reversa)<\/li>\n\n\n\n<li>\u00c1cidos em solu\u00e7\u00e3o (minera\u00e7\u00e3o).<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-advantages-of-air-valves\">Vantagens das v\u00e1lvulas de ar<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Proteger oleodutos<\/li>\n\n\n\n<li>Resolver problemas de aprisionamento de ar<\/li>\n\n\n\n<li>Garante opera\u00e7\u00f5es seguras de dutos<\/li>\n\n\n\n<li>Evita a forma\u00e7\u00e3o de bolhas e bolsas de ar<\/li>\n\n\n\n<li>Baixa manuten\u00e7\u00e3o<\/li>\n\n\n\n<li>Efici\u00eancia energ\u00e9tica<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Desvantagens das v\u00e1lvulas de ar nas tubula\u00e7\u00f5es<\/h2>\n\n\n\n<p>O controle da presen\u00e7a de ar \u2013 dentro da tubula\u00e7\u00e3o pode causar problemas graves:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>A imped\u00e2ncia do fluxo nas tubula\u00e7\u00f5es ou redu\u00e7\u00e3o da se\u00e7\u00e3o efetiva:<\/li>\n<\/ol>\n\n\n\n<p>Aumenta as perdas de energia. Al\u00e9m disso, o abastecimento inadequado de \u00e1gua \u00e0s diferentes \u00e1reas do sistema se deve \u00e0 obstru\u00e7\u00e3o do fluxo e ao ac\u00famulo de perdas de carga localizadas.<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>Leituras imprecisas em medidores e hidr\u00f4metros.<\/li>\n\n\n\n<li>Danos graves \u00e0s pe\u00e7as rotativas internas dos medidores.<\/li>\n\n\n\n<li>Abastecimento de \u00e1gua inadequado devido a leituras incorretas do medidor e do hidr\u00f4metro.<\/li>\n\n\n\n<li>Problemas de corros\u00e3o e cavita\u00e7\u00e3o.<\/li>\n<\/ol>\n\n\n\n<!-- Andy:h-related-tags -->\n<h2 id=\"h-related-tags\">Etiquetas relacionadas :<\/h2>\n<!-- \/Andy:h-related-tags -->\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/pt\/\">V\u00e1lvula ZECO<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/pt\/produto\/manual-gate-valve\/\">V\u00e1lvula de gaveta de acionamento manual Fabricante<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/pt\/the-function-of-globe-valve-in-pipeline-system.html\/\">O que s\u00e3o v\u00e1lvulas globo?<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/pt\/china-gate-valves-suppliersnon-rising-stem-gate-valvesks-gate-valves.html\/\">O que \u00e9 uma v\u00e1lvula de gaveta?<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/pt\/difference-between-gate-valve-and-butterfly-valve.html\/\">Diferen\u00e7a entre a v\u00e1lvula de gaveta e a v\u00e1lvula de borboleta<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/pt\/the-difference-between-globe-valve-and-ball-valve.html\/\">V\u00e1lvula de Globo vs V\u00e1lvula de Esfera<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/pt\/tag\/shanghai-pressure-reducing-valve-factory\/\">F\u00e1brica de v\u00e1lvulas redutoras de press\u00e3o de Xangai<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/pt\/history-of-automatic-control-valve-zeco-valve-industrial-valve-manufacturer.html\/\">O que s\u00e3o v\u00e1lvulas de controlo autom\u00e1ticas?<\/a>\n\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Todos os sistemas de abastecimento de \u00e1gua consistem em tubula\u00e7\u00f5es que transmitem a \u00e1gua da origem ao destino. Neste processo, bols\u00f5es de presos\u2026 <a title=\"O que \u00e9 uma v\u00e1lvula de ar? Tipos de v\u00e1lvula de ar \u2013 V\u00e1lvula de libera\u00e7\u00e3o de ar\" class=\"read-more\" href=\"https:\/\/zecovalve.com\/pt\/what-is-an-air-valve-air-valve-types-air-release-valve.html\" aria-label=\"Mais em O que \u00e9 uma v\u00e1lvula de ar? Tipos de v\u00e1lvula de ar \u2013 V\u00e1lvula de libera\u00e7\u00e3o de ar\">Ler mais<\/a><\/p>","protected":false},"author":2,"featured_media":16948,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","kt_blocks_editor_width":"","footnotes":""},"categories":[1],"tags":[2537,2554,2828,2827,2829],"class_list":["post-19523","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","tag-air-release-valve","tag-air-valve","tag-air-valve-types","tag-air-vent-valve","tag-air-venting-valve","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"featured_image_src_large":["https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/air-valve.jpg",600,400,false],"author_info":{"display_name":"Jerry","author_link":"https:\/\/zecovalve.com\/pt\/author\/jerry"},"comment_info":0,"category_info":[{"term_id":1,"name":"Uncategorized","slug":"uncategorized","term_group":0,"term_taxonomy_id":1,"taxonomy":"category","description":"","parent":0,"count":452,"filter":"raw","cat_ID":1,"category_count":452,"category_description":"","cat_name":"Uncategorized","category_nicename":"uncategorized","category_parent":0}],"tag_info":[{"term_id":2537,"name":"Air Release Valve","slug":"air-release-valve","term_group":0,"term_taxonomy_id":2537,"taxonomy":"post_tag","description":"","parent":0,"count":3,"filter":"raw"},{"term_id":2554,"name":"Air Valve","slug":"air-valve","term_group":0,"term_taxonomy_id":2554,"taxonomy":"post_tag","description":"","parent":0,"count":3,"filter":"raw"},{"term_id":2828,"name":"Air Valve Types","slug":"air-valve-types","term_group":0,"term_taxonomy_id":2828,"taxonomy":"post_tag","description":"","parent":0,"count":2,"filter":"raw"},{"term_id":2827,"name":"Air Vent Valve","slug":"air-vent-valve","term_group":0,"term_taxonomy_id":2827,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"},{"term_id":2829,"name":"Air Venting Valve","slug":"air-venting-valve","term_group":0,"term_taxonomy_id":2829,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"}],"taxonomy_info":{"category":[{"value":1,"label":"Uncategorized"}],"post_tag":[{"value":2537,"label":"Air Release Valve"},{"value":2554,"label":"Air Valve"},{"value":2828,"label":"Air Valve Types"},{"value":2827,"label":"Air Vent Valve"},{"value":2829,"label":"Air Venting Valve"}]},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What is an Air Valve ? Air Valve Types - Air Release Valve | ZECO Valve<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/zecovalve.com\/pt\/what-is-an-air-valve-air-valve-types-air-release-valve.html\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is an Air Valve ? Air Valve Types - Air Release Valve | ZECO Valve\" \/>\n<meta property=\"og:description\" content=\"All water supply systems consist of pipes that transmit water from its source to its destination. In this process, pockets of trapped ... 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