{"id":4713,"date":"2024-07-15T12:27:32","date_gmt":"2024-07-15T12:27:32","guid":{"rendered":"https:\/\/sinovalveco.com\/product\/concentric-butterfly-valve\/"},"modified":"2024-08-16T13:27:56","modified_gmt":"2024-08-16T13:27:56","slug":"concentric-butterfly-valve","status":"publish","type":"product","link":"https:\/\/ntgdvalve.com\/pt\/concentric-butterfly-valve\/","title":{"rendered":"V\u00e1lvula borboleta conc\u00eantrica"},"content":{"rendered":"<div class=\"lwptoc lwptoc-autoWidth lwptoc-baseItems lwptoc-light lwptoc-notInherit\" data-smooth-scroll=\"1\" data-smooth-scroll-offset=\"24\" data-lwptoc-initialized=\"1\">\n<div class=\"lwptoc_i\">\n<div class=\"lwptoc_header\"><strong style=\"color: #0000ff; font-size: 24pt;\">O que \u00e9 a v\u00e1lvula borboleta conc\u00eantrica?<\/strong><\/div>\n<\/div>\n<\/div>\n<p><span style=\"font-size: 14pt;\">A v\u00e1lvula borboleta conc\u00eantrica \u00e9 um mecanismo de controle de fluxo que usa um disco girat\u00f3rio para controlar o meio de fluxo no sistema. O disco permanece na passagem, mas, como \u00e9 muito fino, oferece muito pouca resist\u00eancia ao fluxo.<\/span><\/p>\n<p><span style=\"font-size: 14pt;\">As v\u00e1lvulas borboleta t\u00eam muitas vantagens em rela\u00e7\u00e3o a outros tipos de v\u00e1lvulas, como a constru\u00e7\u00e3o econ\u00f4mica, que consiste em menos componentes, o que facilita a opera\u00e7\u00e3o e a manuten\u00e7\u00e3o. O corpo com design de wafer e o peso relativamente leve reduzem seus custos e os custos de instala\u00e7\u00e3o, equipamentos, suporte de tubula\u00e7\u00e3o, m\u00e3o de obra e tempo de configura\u00e7\u00e3o.<\/span><\/p>\n<p><span style=\"font-size: 14pt;\">O tipo mais comum de arranjo de v\u00e1lvula borboleta \u00e9 a v\u00e1lvula borboleta c\u00eantrica ou conc\u00eantrica. Esse tipo de v\u00e1lvula borboleta consiste na haste que se desloca ao longo da linha m\u00e9dia do disco no centro do furo da tubula\u00e7\u00e3o e a sede tem o di\u00e2metro interno do corpo da v\u00e1lvula. Essa configura\u00e7\u00e3o de v\u00e1lvula sem deslocamento tamb\u00e9m \u00e9 conhecida como v\u00e1lvula com sede resiliente, pois depende da flexibilidade da borracha da sede quando o fluxo est\u00e1 fechado, para a confiabilidade da veda\u00e7\u00e3o. Nesse tipo de v\u00e1lvula, o disco interage primeiro com a sede a cerca de 85\u00b0 para uma rota\u00e7\u00e3o de 90\u00b0. As v\u00e1lvulas borboleta conc\u00eantricas s\u00e3o amplamente utilizadas em aplica\u00e7\u00f5es de baixa press\u00e3o.<\/span><\/p>\n<p>&nbsp;<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u00cdndice<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Alternar tabela de conte\u00fado\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Alternar<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #0a0a0a;color:#0a0a0a\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #0a0a0a;color:#0a0a0a\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/ntgdvalve.com\/pt\/concentric-butterfly-valve\/#Classification_by_connection_type\" >Classifica\u00e7\u00e3o por tipo de conex\u00e3o<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/ntgdvalve.com\/pt\/concentric-butterfly-valve\/#Wafer_Type\" >Tipo de wafer:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/ntgdvalve.com\/pt\/concentric-butterfly-valve\/#Lug_Type\" >Tipo de lug:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/ntgdvalve.com\/pt\/concentric-butterfly-valve\/#Flanged_End_Type\" >Tipo de extremidade flangeada:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/ntgdvalve.com\/pt\/concentric-butterfly-valve\/#Welded_End_Type\" >Tipo de extremidade soldada:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/ntgdvalve.com\/pt\/concentric-butterfly-valve\/#How_Does_Concentric_Butterfly_Valve_Work\" >Como funciona a v\u00e1lvula borboleta conc\u00eantrica?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/ntgdvalve.com\/pt\/concentric-butterfly-valve\/#When_to_Use_Concentric_Butterfly_Valve\" >Quando usar a v\u00e1lvula borboleta conc\u00eantrica?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/ntgdvalve.com\/pt\/concentric-butterfly-valve\/#Concentric_butterfly_Valve_vs_Eccentric_Butterfly_Valve\" >V\u00e1lvula borboleta conc\u00eantrica vs. v\u00e1lvula borboleta exc\u00eantrica<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Classification_by_connection_type\"><\/span><span id=\"Classification_by_connection_type\"><span style=\"font-size: 24pt; color: #0000ff;\"><strong>Classifica\u00e7\u00e3o por tipo de conex\u00e3o<\/strong><\/span><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-size: 14pt;\">Com base na conex\u00e3o, h\u00e1 diferentes tipos de v\u00e1lvulas borboleta conc\u00eantricas.<\/span><\/p>\n<ul>\n<li><span style=\"font-size: 14pt;\">Extremidades do tipo wafer.<\/span><\/li>\n<li><span style=\"font-size: 14pt;\">Extremidades do tipo lug.<\/span><\/li>\n<li><span style=\"font-size: 14pt;\">Ambas as extremidades flangeadas.<\/span><\/li>\n<li><span style=\"font-size: 14pt;\">Extremidade do tipo soldada.<\/span><\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Wafer_Type\"><\/span><span id=\"Wafer_Type\"><span style=\"font-size: 14pt;\"><strong>Tipo de wafer:<\/strong> <\/span><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-size: 14pt;\">O tipo wafer das v\u00e1lvulas borboleta foi constru\u00eddo para manter uma veda\u00e7\u00e3o firme, protegendo contra diferenciais de press\u00e3o bidirecionais, para evitar qualquer refluxo em dispositivos que foram constru\u00eddos para fluxo unidirecional. Isso \u00e9 feito com o uso de uma tampa bem ajustada, como um O-ring ou uma gaxeta, usinada com precis\u00e3o, juntamente com uma face lisa da v\u00e1lvula nas partes a jusante e a montante da v\u00e1lvula.<\/span><\/p>\n<p><a href=\"https:\/\/i0.wp.com\/www.ntgdvalve.com\/wp-content\/uploads\/2020\/12\/wafer-type-concentric-butterfly-valve.jpg\"><img fetchpriority=\"high\" class=\"aligncenter wp-post-2206 wp-image-2211\" alt=\"\" width=\"446\" height=\"400\" data-lazy-srcset=\"https:\/\/i0.wp.com\/www.ntgdvalve.com\/wp-content\/uploads\/2020\/12\/wafer-type-concentric-butterfly-valve.jpg 1602w, https:\/\/i0.wp.com\/www.ntgdvalve.com\/wp-content\/uploads\/2020\/12\/wafer-type-concentric-butterfly-valve-768x689.jpg 768w, https:\/\/i0.wp.com\/www.ntgdvalve.com\/wp-content\/uploads\/2020\/12\/wafer-type-concentric-butterfly-valve-1536x1379.jpg 1536w\" data-lazy-sizes=\"(max-width: 446px) 100vw, 446px\" data-lazy-src=\"https:\/\/i0.wp.com\/www.ntgdvalve.com\/wp-content\/uploads\/2020\/12\/wafer-type-concentric-butterfly-valve.jpg\" srcset=\"https:\/\/ntgdvalve.com\/wp-content\/uploads\/2020\/12\/wafer-type-concentric-butterfly-valve.jpg 1602w, https:\/\/ntgdvalve.com\/wp-content\/uploads\/2020\/12\/wafer-type-concentric-butterfly-valve-600x539.jpg 600w, https:\/\/ntgdvalve.com\/wp-content\/uploads\/2020\/12\/wafer-type-concentric-butterfly-valve-768x689.jpg 768w, https:\/\/ntgdvalve.com\/wp-content\/uploads\/2020\/12\/wafer-type-concentric-butterfly-valve-1536x1379.jpg 1536w\" sizes=\"(max-width: 446px) 100vw, 446px\" \/><noscript><img decoding=\"async\" class=\"aligncenter wp-post-2206 wp-image-2211\" src=\"https:\/\/i0.wp.com\/www.ntgdvalve.com\/wp-content\/uploads\/2020\/12\/wafer-type-concentric-butterfly-valve.jpg\" alt=\"\" width=\"446\" height=\"400\" srcset=\"https:\/\/i0.wp.com\/www.ntgdvalve.com\/wp-content\/uploads\/2020\/12\/wafer-type-concentric-butterfly-valve.jpg 1602w, https:\/\/i0.wp.com\/www.ntgdvalve.com\/wp-content\/uploads\/2020\/12\/wafer-type-concentric-butterfly-valve-768x689.jpg 768w, https:\/\/i0.wp.com\/www.ntgdvalve.com\/wp-content\/uploads\/2020\/12\/wafer-type-concentric-butterfly-valve-1536x1379.jpg 1536w\" sizes=\"(max-width: 446px) 100vw, 446px\"><\/noscript><\/a><\/p>\n<p style=\"text-align: center;\">V\u00c1LVULA BORBOLETA CONC\u00caNTRICA TIPO WAFER<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Lug_Type\"><\/span><span id=\"Lug_Type\"><span style=\"font-size: 14pt;\"><strong>Tipo de lug:<\/strong> <\/span><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-size: 14pt;\">O tipo de corpo de lug do projeto da v\u00e1lvula borboleta \u00e9 id\u00eantico ao da v\u00e1lvula de esfera de 3 pe\u00e7as, em que uma extremidade da tubula\u00e7\u00e3o pode ser substitu\u00edda sem afetar o outro lado da v\u00e1lvula. Isso pode ser obtido com insertos rosqueados, flanges e dois conjuntos de olhais (parafusos) que n\u00e3o usam porcas, de modo que cada flange tem seus pr\u00f3prios parafusos. Tamb\u00e9m \u00e9 importante lembrar que n\u00e3o \u00e9 necess\u00e1rio desligar todo o dispositivo para inspecionar, limpar, reparar ou substituir a v\u00e1lvula borboleta com olhal.<\/span><\/p>\n<p><a href=\"https:\/\/i0.wp.com\/www.ntgdvalve.com\/wp-content\/uploads\/2020\/12\/lug-type-concentric-butterfly-valve.jpg\"><img class=\"wp-post-2206 wp-image-2210 aligncenter\" alt=\"\" width=\"446\" height=\"400\" data-lazy-srcset=\"https:\/\/i0.wp.com\/www.ntgdvalve.com\/wp-content\/uploads\/2020\/12\/lug-type-concentric-butterfly-valve.jpg 1642w, https:\/\/i0.wp.com\/www.ntgdvalve.com\/wp-content\/uploads\/2020\/12\/lug-type-concentric-butterfly-valve-768x689.jpg 768w, https:\/\/i0.wp.com\/www.ntgdvalve.com\/wp-content\/uploads\/2020\/12\/lug-type-concentric-butterfly-valve-1536x1379.jpg 1536w\" data-lazy-sizes=\"(max-width: 446px) 100vw, 446px\" data-lazy-src=\"https:\/\/i0.wp.com\/www.ntgdvalve.com\/wp-content\/uploads\/2020\/12\/lug-type-concentric-butterfly-valve.jpg\" srcset=\"https:\/\/ntgdvalve.com\/wp-content\/uploads\/2020\/12\/lug-type-concentric-butterfly-valve.jpg 1642w, https:\/\/ntgdvalve.com\/wp-content\/uploads\/2020\/12\/lug-type-concentric-butterfly-valve-600x539.jpg 600w, https:\/\/ntgdvalve.com\/wp-content\/uploads\/2020\/12\/lug-type-concentric-butterfly-valve-768x689.jpg 768w, https:\/\/ntgdvalve.com\/wp-content\/uploads\/2020\/12\/lug-type-concentric-butterfly-valve-1536x1379.jpg 1536w\" sizes=\"(max-width: 446px) 100vw, 446px\" \/><noscript><img loading=\"lazy\" decoding=\"async\" class=\"wp-post-2206 wp-image-2210 aligncenter\" src=\"https:\/\/i0.wp.com\/www.ntgdvalve.com\/wp-content\/uploads\/2020\/12\/lug-type-concentric-butterfly-valve.jpg\" alt=\"\" width=\"446\" height=\"400\" srcset=\"https:\/\/i0.wp.com\/www.ntgdvalve.com\/wp-content\/uploads\/2020\/12\/lug-type-concentric-butterfly-valve.jpg 1642w, https:\/\/i0.wp.com\/www.ntgdvalve.com\/wp-content\/uploads\/2020\/12\/lug-type-concentric-butterfly-valve-768x689.jpg 768w, https:\/\/i0.wp.com\/www.ntgdvalve.com\/wp-content\/uploads\/2020\/12\/lug-type-concentric-butterfly-valve-1536x1379.jpg 1536w\" sizes=\"(max-width: 446px) 100vw, 446px\"><\/noscript><\/a><\/p>\n<p style=\"text-align: center;\">V\u00c1LVULA BORBOLETA CONC\u00caNTRICA TIPO LUG<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Flanged_End_Type\"><\/span><span id=\"Flanged_End_Type\"><span style=\"font-size: 14pt;\"><strong>Tipo de extremidade flangeada:<\/strong> <\/span><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-size: 14pt;\">A v\u00e1lvula borboleta do tipo extremidade flangeada tem um flange em ambas as extremidades da v\u00e1lvula para ser conectada com flanges de tubula\u00e7\u00e3o. Esse tipo de conex\u00e3o final \u00e9 usado para v\u00e1lvulas borboleta de tamanho muito grande.<\/span><\/p>\n<p><a href=\"https:\/\/i0.wp.com\/www.ntgdvalve.com\/wp-content\/uploads\/2020\/12\/flange-type-concentric-butterfly-valve-rotated.jpg\"><img loading=\"lazy\" class=\"wp-post-2206 wp-image-2209 aligncenter\" alt=\"\" width=\"566\" height=\"400\" data-lazy-srcset=\"https:\/\/i0.wp.com\/www.ntgdvalve.com\/wp-content\/uploads\/2020\/12\/flange-type-concentric-butterfly-valve-rotated.jpg 2339w, https:\/\/i0.wp.com\/www.ntgdvalve.com\/wp-content\/uploads\/2020\/12\/flange-type-concentric-butterfly-valve-768x543.jpg 768w, https:\/\/i0.wp.com\/www.ntgdvalve.com\/wp-content\/uploads\/2020\/12\/flange-type-concentric-butterfly-valve-1536x1086.jpg 1536w, https:\/\/i0.wp.com\/www.ntgdvalve.com\/wp-content\/uploads\/2020\/12\/flange-type-concentric-butterfly-valve-2048x1447.jpg 2048w\" data-lazy-sizes=\"(max-width: 566px) 100vw, 566px\" data-lazy-src=\"https:\/\/i0.wp.com\/www.ntgdvalve.com\/wp-content\/uploads\/2020\/12\/flange-type-concentric-butterfly-valve-rotated.jpg\" srcset=\"https:\/\/ntgdvalve.com\/wp-content\/uploads\/2020\/12\/flange-type-concentric-butterfly-valve-rotated.jpg 2339w, https:\/\/ntgdvalve.com\/wp-content\/uploads\/2020\/12\/flange-type-concentric-butterfly-valve-rotated-600x424.jpg 600w, https:\/\/ntgdvalve.com\/wp-content\/uploads\/2020\/12\/flange-type-concentric-butterfly-valve-768x543.jpg 768w, https:\/\/ntgdvalve.com\/wp-content\/uploads\/2020\/12\/flange-type-concentric-butterfly-valve-1536x1086.jpg 1536w, https:\/\/ntgdvalve.com\/wp-content\/uploads\/2020\/12\/flange-type-concentric-butterfly-valve-2048x1447.jpg 2048w\" sizes=\"(max-width: 566px) 100vw, 566px\" \/><noscript><img loading=\"lazy\" decoding=\"async\" class=\"wp-post-2206 wp-image-2209 aligncenter\" src=\"https:\/\/i0.wp.com\/www.ntgdvalve.com\/wp-content\/uploads\/2020\/12\/flange-type-concentric-butterfly-valve-rotated.jpg\" alt=\"\" width=\"566\" height=\"400\" srcset=\"https:\/\/i0.wp.com\/www.ntgdvalve.com\/wp-content\/uploads\/2020\/12\/flange-type-concentric-butterfly-valve-rotated.jpg 2339w, https:\/\/i0.wp.com\/www.ntgdvalve.com\/wp-content\/uploads\/2020\/12\/flange-type-concentric-butterfly-valve-768x543.jpg 768w, https:\/\/i0.wp.com\/www.ntgdvalve.com\/wp-content\/uploads\/2020\/12\/flange-type-concentric-butterfly-valve-1536x1086.jpg 1536w, https:\/\/i0.wp.com\/www.ntgdvalve.com\/wp-content\/uploads\/2020\/12\/flange-type-concentric-butterfly-valve-2048x1447.jpg 2048w\" sizes=\"(max-width: 566px) 100vw, 566px\"><\/noscript><\/a><\/p>\n<p style=\"text-align: center;\">V\u00c1LVULA BORBOLETA CONC\u00caNTRICA TIPO FLANGE<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Welded_End_Type\"><\/span><span id=\"Welded_End_Type\"><span style=\"font-size: 14pt;\"><strong>Tipo de extremidade soldada:<\/strong> <\/span><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-size: 14pt;\">A v\u00e1lvula borboleta do tipo extremidade soldada \u00e9 usada quando o sistema est\u00e1 sob press\u00e3o muito alta. Esses tipos s\u00e3o geralmente usados para v\u00e1lvulas borboleta de tamanho pequeno.<\/span><\/p>\n<p><a href=\"https:\/\/i0.wp.com\/www.ntgdvalve.com\/wp-content\/uploads\/2020\/12\/weld-type-concentric-butterfly-valve-rotated.jpg\"><img loading=\"lazy\" class=\"wp-post-2206 wp-image-2212 aligncenter\" alt=\"\" width=\"566\" height=\"400\" data-lazy-srcset=\"https:\/\/i0.wp.com\/www.ntgdvalve.com\/wp-content\/uploads\/2020\/12\/weld-type-concentric-butterfly-valve-rotated.jpg 2339w, https:\/\/i0.wp.com\/www.ntgdvalve.com\/wp-content\/uploads\/2020\/12\/weld-type-concentric-butterfly-valve-768x543.jpg 768w, https:\/\/i0.wp.com\/www.ntgdvalve.com\/wp-content\/uploads\/2020\/12\/weld-type-concentric-butterfly-valve-1536x1086.jpg 1536w, https:\/\/i0.wp.com\/www.ntgdvalve.com\/wp-content\/uploads\/2020\/12\/weld-type-concentric-butterfly-valve-2048x1447.jpg 2048w\" data-lazy-sizes=\"(max-width: 566px) 100vw, 566px\" data-lazy-src=\"https:\/\/i0.wp.com\/www.ntgdvalve.com\/wp-content\/uploads\/2020\/12\/weld-type-concentric-butterfly-valve-rotated.jpg\" srcset=\"https:\/\/ntgdvalve.com\/wp-content\/uploads\/2020\/12\/weld-type-concentric-butterfly-valve-rotated.jpg 2339w, https:\/\/ntgdvalve.com\/wp-content\/uploads\/2020\/12\/weld-type-concentric-butterfly-valve-rotated-600x424.jpg 600w, https:\/\/ntgdvalve.com\/wp-content\/uploads\/2020\/12\/weld-type-concentric-butterfly-valve-768x543.jpg 768w, https:\/\/ntgdvalve.com\/wp-content\/uploads\/2020\/12\/weld-type-concentric-butterfly-valve-1536x1086.jpg 1536w, https:\/\/ntgdvalve.com\/wp-content\/uploads\/2020\/12\/weld-type-concentric-butterfly-valve-2048x1447.jpg 2048w\" sizes=\"(max-width: 566px) 100vw, 566px\" \/><noscript><img loading=\"lazy\" decoding=\"async\" class=\"wp-post-2206 wp-image-2212 aligncenter\" src=\"https:\/\/i0.wp.com\/www.ntgdvalve.com\/wp-content\/uploads\/2020\/12\/weld-type-concentric-butterfly-valve-rotated.jpg\" alt=\"\" width=\"566\" height=\"400\" srcset=\"https:\/\/i0.wp.com\/www.ntgdvalve.com\/wp-content\/uploads\/2020\/12\/weld-type-concentric-butterfly-valve-rotated.jpg 2339w, https:\/\/i0.wp.com\/www.ntgdvalve.com\/wp-content\/uploads\/2020\/12\/weld-type-concentric-butterfly-valve-768x543.jpg 768w, https:\/\/i0.wp.com\/www.ntgdvalve.com\/wp-content\/uploads\/2020\/12\/weld-type-concentric-butterfly-valve-1536x1086.jpg 1536w, https:\/\/i0.wp.com\/www.ntgdvalve.com\/wp-content\/uploads\/2020\/12\/weld-type-concentric-butterfly-valve-2048x1447.jpg 2048w\" sizes=\"(max-width: 566px) 100vw, 566px\"><\/noscript><\/a><\/p>\n<p style=\"text-align: center;\">V\u00c1LVULA BORBOLETA CONC\u00caNTRICA DO TIPO SOLDA<\/p>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"How_Does_Concentric_Butterfly_Valve_Work\"><\/span><span id=\"How_Does_Concentric_Butterfly_Valve_Work\"><span style=\"font-size: 24pt; color: #0000ff;\"><strong>Como funciona a v\u00e1lvula borboleta conc\u00eantrica?<\/strong><\/span><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-size: 14pt;\">As v\u00e1lvulas borboleta conc\u00eantricas t\u00eam um projeto relativamente mais simples. O corpo, a veda\u00e7\u00e3o, o disco e a haste s\u00e3o as partes principais da v\u00e1lvula borboleta conc\u00eantrica. A v\u00e1lvula borboleta tradicional tem um disco localizado no meio do tubo conectado e uma haste \u00e9 conectada ao atuador ou \u00e0 al\u00e7a na parte externa da v\u00e1lvula. Quando a v\u00e1lvula est\u00e1 em uma posi\u00e7\u00e3o fechada, o disco est\u00e1 perpendicular ao fluxo e a sede da v\u00e1lvula est\u00e1 fechada. A haste \u00e9 vedada com um anel O-ring. Quando a v\u00e1lvula faz um giro de 90 graus com a ajuda do atuador ou da manopla, o disco se afasta da sede da v\u00e1lvula e fica paralelo ao fluxo. A rota\u00e7\u00e3o em um \u00e2ngulo menor que 90 graus permite que o fluxo seja estrangulado ou proporcional.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"When_to_Use_Concentric_Butterfly_Valve\"><\/span><span id=\"When_to_Use_Concentric_Butterfly_Valve\"><span style=\"font-size: 24pt; color: #0000ff;\"><strong>Quando usar a v\u00e1lvula borboleta conc\u00eantrica?<\/strong><\/span><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-size: 14pt;\">As v\u00e1lvulas borboleta conc\u00eantricas empregam material de veda\u00e7\u00e3o macio, por isso s\u00f3 podem ser usadas em l\u00edquidos b\u00e1sicos (esta\u00e7\u00f5es de tratamento de \u00e1gua e esgoto), l\u00edquidos especiais (produtos qu\u00edmicos, l\u00edquidos abrasivos etc.) e gases de at\u00e9 200 psi e 400 graus F.<\/span><\/p>\n<ul>\n<li><span style=\"font-size: 14pt;\">Tratamento de \u00e1gua.<\/span><\/li>\n<li><span style=\"font-size: 14pt;\">Distribui\u00e7\u00e3o de \u00e1gua.<\/span><\/li>\n<li><span style=\"font-size: 14pt;\">Transmiss\u00e3o de \u00e1gua.<\/span><\/li>\n<li><span style=\"font-size: 14pt;\">Sistema de aera\u00e7\u00e3o.<\/span><\/li>\n<li><span style=\"font-size: 14pt;\">Prote\u00e7\u00e3o contra inc\u00eandios, etc.<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Concentric_butterfly_Valve_vs_Eccentric_Butterfly_Valve\"><\/span><span id=\"Concentric_butterfly_Valve_vs_Eccentric_Butterfly_Valve\"><span style=\"font-size: 24pt; color: #0000ff;\"><strong>V\u00e1lvula borboleta conc\u00eantrica vs. v\u00e1lvula borboleta exc\u00eantrica<\/strong><\/span><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li><span style=\"font-size: 14pt;\">O disco da v\u00e1lvula borboleta conc\u00eantrica \u00e9 simples, mas o disco da v\u00e1lvula borboleta exc\u00eantrica consiste na veda\u00e7\u00e3o do disco, no anel de reten\u00e7\u00e3o da veda\u00e7\u00e3o e no parafuso de reten\u00e7\u00e3o.<\/span><\/li>\n<li><span style=\"font-size: 14pt;\">A constru\u00e7\u00e3o da veda\u00e7\u00e3o da v\u00e1lvula conc\u00eantrica \u00e9 muito simples, o disco toca diretamente a sede de borracha, enquanto na v\u00e1lvula borboleta exc\u00eantrica uma veda\u00e7\u00e3o de disco laminado toca a sede do corpo de metal.<\/span><\/li>\n<li><span style=\"font-size: 14pt;\">A v\u00e1lvula borboleta conc\u00eantrica tem uma veda\u00e7\u00e3o macia, enquanto a sede da v\u00e1lvula borboleta exc\u00eantrica \u00e9 feita de metal, podendo ser uma sede com corpo ajustado ou uma sede soldada que pode ser substitu\u00edda.<\/span><\/li>\n<li><span style=\"font-size: 14pt;\">Uma v\u00e1lvula borboleta conc\u00eantrica tem uma restri\u00e7\u00e3o de press\u00e3o e pode atingir uma press\u00e3o de apenas 150LB\/PN25, enquanto a v\u00e1lvula borboleta exc\u00eantrica\/deslocada pode suportar at\u00e9 600LB\/PN100 de press\u00e3o.<\/span><\/li>\n<li><span style=\"font-size: 14pt;\">Devido \u00e0 constru\u00e7\u00e3o diferente da estrutura de veda\u00e7\u00e3o, a sede de borracha conc\u00eantrica n\u00e3o pode suportar altas temperaturas, mas uma v\u00e1lvula borboleta exc\u00eantrica\/deslocada poderia funcionar, j\u00e1 que elas t\u00eam um projeto de veda\u00e7\u00e3o met\u00e1lica\/dura.<\/span><\/li>\n<li><span style=\"font-size: 14pt;\">As vantagens e desvantagens s\u00e3o aparentes, e \u00e9 muito f\u00e1cil escolher qual delas usar em uma condi\u00e7\u00e3o real. Quando o sistema tem alta press\u00e3o ou alta temperatura, \u00e9 usada uma v\u00e1lvula exc\u00eantrica.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-size: 14pt;\">A NTGD Valve \u00e9 uma empresa profissional <strong>Fabricante de v\u00e1lvulas borboleta conc\u00eantricas<\/strong>Se tiver alguma d\u00favida, entre em contato conosco.<\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>\u203b Disco conc\u00eantrico, resiliente sentado<br \/>\n\u203b Faixa de tamanho: NPS 2 a NPS 56<br \/>\n\u203b Faixa de classe: 150LB\/PN10\/PN16<br \/>\n\u203b Design STD: API609\/ DIN 3202-K1<br \/>\n\u203b Fabricante de v\u00e1lvula borboleta conc\u00eantrica<\/p>","protected":false},"featured_media":6541,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_eb_attr":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"product_brand":[],"product_cat":[91],"product_tag":[],"class_list":["post-4713","product","type-product","status-publish","has-post-thumbnail","product_cat-butterfly-valve","desktop-align-left","tablet-align-left","mobile-align-left","first","instock","shipping-taxable","product-type-simple"],"acf":[],"_links":{"self":[{"href":"https:\/\/ntgdvalve.com\/pt\/wp-json\/wp\/v2\/product\/4713","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ntgdvalve.com\/pt\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/ntgdvalve.com\/pt\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/ntgdvalve.com\/pt\/wp-json\/wp\/v2\/comments?post=4713"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ntgdvalve.com\/pt\/wp-json\/wp\/v2\/media\/6541"}],"wp:attachment":[{"href":"https:\/\/ntgdvalve.com\/pt\/wp-json\/wp\/v2\/media?parent=4713"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/ntgdvalve.com\/pt\/wp-json\/wp\/v2\/product_brand?post=4713"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/ntgdvalve.com\/pt\/wp-json\/wp\/v2\/product_cat?post=4713"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/ntgdvalve.com\/pt\/wp-json\/wp\/v2\/product_tag?post=4713"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}