{"id":17178,"date":"2022-06-27T08:56:39","date_gmt":"2022-06-27T08:56:39","guid":{"rendered":"https:\/\/zecovalve.com\/?p=17178"},"modified":"2022-06-27T08:56:40","modified_gmt":"2022-06-27T08:56:40","slug":"characteristic-and-principle-of-balancing-valve","status":"publish","type":"post","link":"https:\/\/zecovalve.com\/pt\/characteristic-and-principle-of-balancing-valve.html","title":{"rendered":"Caracter\u00edstica e Princ\u00edpio da V\u00e1lvula de Balanceamento"},"content":{"rendered":"<p>A v\u00e1lvula de balanceamento \u00e9 equivalente a um elemento acelerador cuja resist\u00eancia local pode ser alterada. Para fluido incompress\u00edvel, a equa\u00e7\u00e3o de fluxo pode ser obtida. <\/p>\n\n\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-compared-with-other-valves-balancing-valves-have-the-following-characteristics\">Comparadas com outras v\u00e1lvulas, as v\u00e1lvulas de balanceamento possuem as seguintes caracter\u00edsticas:<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>(1) Caracter\u00edsticas de fluxo linear, ou seja, sob a condi\u00e7\u00e3o de diferen\u00e7a de press\u00e3o constante entre a frente e a parte traseira da v\u00e1lvula, o fluxo e a abertura s\u00e3o geralmente lineares;<\/li><li>(2) Existem indicadores precisos de abertura;<\/li><li>(3) Com o dispositivo de travamento de abertura, os n\u00e3o gerentes n\u00e3o podem alterar a conex\u00e3o do medidor de abertura \u00e0 vontade e podem exibir convenientemente a diferen\u00e7a de press\u00e3o antes e depois da v\u00e1lvula e o fluxo atrav\u00e9s da v\u00e1lvula.<\/li><\/ul>\n\n\n\n<p>Embora a v\u00e1lvula de balanceamento tenha muitas vantagens, ainda existem muitos problemas em sua aplica\u00e7\u00e3o em sistemas de \u00e1gua de ar condicionado. Se esses problemas n\u00e3o forem resolvidos adequadamente, as caracter\u00edsticas da v\u00e1lvula de balanceamento n\u00e3o poder\u00e3o ser totalmente exibidas. A fun\u00e7\u00e3o da v\u00e1lvula de equil\u00edbrio \u00e9 regular a vaz\u00e3o predeterminada de cada ponto de distribui\u00e7\u00e3o (como cada andar) do sistema. A v\u00e1lvula de equil\u00edbrio \u00e9 instalada na entrada de cada edif\u00edcio, para que a vaz\u00e3o total do sistema de aquecimento possa ser razoavelmente distribu\u00edda.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">O princ\u00edpio da v\u00e1lvula de autoequil\u00edbrio ZLF \u00e9 a regula\u00e7\u00e3o reversa no corpo da v\u00e1lvula. <\/h2>\n\n\n\n<p>Quando a press\u00e3o na entrada aumenta, o di\u00e2metro da v\u00e1lvula \u00e9 automaticamente reduzido e a vaz\u00e3o \u00e9 reduzida e vice-versa. Se invertido, o sistema de regula\u00e7\u00e3o n\u00e3o funcionar\u00e1. Al\u00e9m disso, o disco da v\u00e1lvula que desempenha um papel regulador \u00e9 direcional, e a press\u00e3o reversa pode at\u00e9 reduzir ou at\u00e9 fechar o fluxo. Como a v\u00e1lvula de equil\u00edbrio \u00e9 instalada para melhor aquecimento, n\u00e3o h\u00e1 problema de instala\u00e7\u00e3o reversa. Se for uma falsifica\u00e7\u00e3o, \u00e9 um erro cometido pelo homem, claro, ser\u00e1 corrigido. A v\u00e1lvula de equil\u00edbrio pertence \u00e0 categoria de v\u00e1lvula de controle. Seu princ\u00edpio de funcionamento \u00e9 ajustar a vaz\u00e3o alterando a folga entre o carretel e a sede (ou seja, abertura) e alterando a resist\u00eancia ao fluxo do fluido atrav\u00e9s da v\u00e1lvula. A v\u00e1lvula de equil\u00edbrio \u00e9 equivalente a um elemento acelerador cuja resist\u00eancia local pode ser alterada. Para fluido incompress\u00edvel, a equa\u00e7\u00e3o de fluxo pode ser obtida.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Kv \u00e9 o coeficiente da v\u00e1lvula de balanceamento. <\/h2>\n\n\n\n<p>\u00c9 definido como o valor da vaz\u00e3o (m3\/h) que flui atrav\u00e9s da v\u00e1lvula de balanceamento quando a press\u00e3o diferencial entre a parte frontal e traseira da v\u00e1lvula de balanceamento \u00e9 de 1 bar (cerca de 1 kgf\/cm2). O coeficiente da v\u00e1lvula de equil\u00edbrio com trava digital \u00e9 igual \u00e0 capacidade de fluxo da v\u00e1lvula comum quando ela est\u00e1 totalmente aberta. Se a abertura da v\u00e1lvula de balanceamento permanecer inalterada, o coeficiente Kv da v\u00e1lvula permanece inalterado, ou seja, o coeficiente Kv da v\u00e1lvula depende da abertura. Os coeficientes da v\u00e1lvula em diferentes aberturas podem ser obtidos por medi\u00e7\u00e3o real. As v\u00e1lvulas de equil\u00edbrio podem ser usadas como elementos de estrangulamento para regula\u00e7\u00e3o quantitativa do fluxo.<\/p>","protected":false},"excerpt":{"rendered":"<p>A v\u00e1lvula de balanceamento \u00e9 equivalente a um elemento acelerador cuja resist\u00eancia local pode ser alterada. Para fluido incompress\u00edvel, a equa\u00e7\u00e3o de fluxo pode ser\u2026 <a title=\"Caracter\u00edstica e Princ\u00edpio da V\u00e1lvula de Balanceamento\" class=\"read-more\" href=\"https:\/\/zecovalve.com\/pt\/characteristic-and-principle-of-balancing-valve.html\" aria-label=\"Mais em Caracter\u00edstica e Princ\u00edpio da V\u00e1lvula de Balanceamento\">Ler mais<\/a><\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","kt_blocks_editor_width":"","footnotes":""},"categories":[2447],"tags":[2448],"class_list":["post-17178","post","type-post","status-publish","format-standard","hentry","category-balancing-valve","tag-balancing-valve","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"featured_image_src_large":false,"author_info":{"display_name":"Jerry","author_link":"https:\/\/zecovalve.com\/pt\/author\/jerry"},"comment_info":0,"category_info":[{"term_id":2447,"name":"Balancing Valve","slug":"balancing-valve","term_group":0,"term_taxonomy_id":2447,"taxonomy":"category","description":"","parent":0,"count":21,"filter":"raw","cat_ID":2447,"category_count":21,"category_description":"","cat_name":"Balancing Valve","category_nicename":"balancing-valve","category_parent":0}],"tag_info":[{"term_id":2448,"name":"Balancing valve","slug":"balancing-valve","term_group":0,"term_taxonomy_id":2448,"taxonomy":"post_tag","description":"","parent":0,"count":15,"filter":"raw"}],"taxonomy_info":{"category":[{"value":2447,"label":"Balancing Valve"}],"post_tag":[{"value":2448,"label":"Balancing valve"}]},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Characteristic and Principle of Balancing 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\/characteristic-and-principle-of-balancing-valve.html\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Characteristic and Principle of Balancing Valve - ZECO Valve\" \/>\n<meta property=\"og:description\" content=\"Balancing valve is equivalent to a throttle element whose local resistance can be changed. 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