{"id":28604,"date":"2025-06-09T04:48:27","date_gmt":"2025-06-09T04:48:27","guid":{"rendered":"https:\/\/zecovalve.com\/?p=28604"},"modified":"2025-06-09T04:48:29","modified_gmt":"2025-06-09T04:48:29","slug":"how-to-fix-butterfly-valves","status":"publish","type":"post","link":"https:\/\/zecovalve.com\/pt\/how-to-fix-butterfly-valves.html","title":{"rendered":"Como reparar v\u00e1lvulas borboleta: Um guia de resolu\u00e7\u00e3o de problemas passo a passo"},"content":{"rendered":"<p>Imagine o seguinte: Est\u00e1 a trabalhar num sistema de tubagem cr\u00edtico quando o detecta - um gotejamento cintilante sob o seu <a href=\"https:\/\/zecovalve.com\/pt\/categoria-do-produto\/butterfly-valve\/\">v\u00e1lvula de borboleta<\/a>. Essa pequena fuga \u00e9 uma bomba-rel\u00f3gio. Se a ignorar, arrisca-se a <strong>tempo de inatividade dispendioso<\/strong>,&nbsp;<strong>riscos de seguran\u00e7a<\/strong>, ou&nbsp;<strong>milhares de euros em recursos desperdi\u00e7ados<\/strong>. Confie em mim - j\u00e1 vi f\u00e1bricas perderem contratos de seis d\u00edgitos por causa de quest\u00f5es como esta.<\/p>\n\n\n\n<p>Mas n\u00e3o entre em p\u00e2nico. A repara\u00e7\u00e3o dessa v\u00e1lvula n\u00e3o \u00e9 apenas poss\u00edvel; \u00e9 muitas vezes simples com a abordagem correta. Este guia explica <em>exatamente<\/em>&nbsp;como reparar avarias nas v\u00e1lvulas de borboleta, desde gotejamentos inc\u00f3modos a discos gripados. Obter\u00e1 passos pr\u00e1ticos destilados a partir de d\u00e9cadas de trabalho de campo industrial - sem jarg\u00e3o, sem floreados.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2025\/06\/how-to-fix-butterfly-valve-picture-1024x576.jpg\" alt=\"como reparar uma v\u00e1lvula de borboleta\" class=\"wp-image-28605\" srcset=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2025\/06\/how-to-fix-butterfly-valve-picture-1024x576.jpg 1024w, https:\/\/zecovalve.com\/wp-content\/uploads\/2025\/06\/how-to-fix-butterfly-valve-picture-300x169.jpg 300w, https:\/\/zecovalve.com\/wp-content\/uploads\/2025\/06\/how-to-fix-butterfly-valve-picture-768x432.jpg 768w, https:\/\/zecovalve.com\/wp-content\/uploads\/2025\/06\/how-to-fix-butterfly-valve-picture-18x10.jpg 18w, https:\/\/zecovalve.com\/wp-content\/uploads\/2025\/06\/how-to-fix-butterfly-valve-picture-600x338.jpg 600w, https:\/\/zecovalve.com\/wp-content\/uploads\/2025\/06\/how-to-fix-butterfly-valve-picture.jpg 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<div class=\"wp-block-yoast-seo-table-of-contents yoast-table-of-contents\"><h2>\u00cdndice<\/h2><ul><li><a href=\"#\ud83d\udd0d-understanding-critical-butterfly-valve-components-and-how-they-fail\" data-level=\"2\">\ud83d\udd0d Compreender os componentes cr\u00edticos das v\u00e1lvulas de borboleta (e como falham)<\/a><\/li><li><a href=\"#h-how-to-fix-butterfly-valves\" data-level=\"2\">Como reparar as v\u00e1lvulas de borboleta?<\/a><ul><li><a href=\"#\ud83d\udd27-step-1-diagnose-the-valve-failure-before-disassembly\" data-level=\"3\">Passo 1: Diagnosticar a falha da v\u00e1lvula (antes da desmontagem)<\/a><ul><li><a href=\"#quick-fault-tree\" data-level=\"4\">\u00c1rvore de falhas r\u00e1pida:<\/a><\/li><\/ul><\/li><li><a href=\"#\ud83d\udee1\ufe0f-step-2-lockouttagout--depressurize\" data-level=\"3\">\ud83d\udee1\ufe0f Passo 2: Bloqueio\/Etiquetagem + Despressuriza\u00e7\u00e3o<\/a><\/li><li><a href=\"#\ud83d\udee0\ufe0f-step-3-repairing-stem-packing-leaks-15-min-fix\" data-level=\"3\">\ud83d\udee0\ufe0f Passo 3: Repara\u00e7\u00e3o de fugas no empanque da haste (15 minutos de repara\u00e7\u00e3o)<\/a><\/li><li><a href=\"#\ud83c\udf00-step-4-fixing-seat-seal-leakage\" data-level=\"3\">Passo 4: Repara\u00e7\u00e3o de fugas na veda\u00e7\u00e3o da sede<\/a><\/li><li><a href=\"#\u2699\ufe0f-step-5-solving-stiff-operation\" data-level=\"3\">\u2699\ufe0f Passo 5: Resolver o funcionamento r\u00edgido<\/a><\/li><li><a href=\"#\ud83e\uddf0-advanced-troubleshooting\" data-level=\"3\">\ud83e\uddf0 Resolu\u00e7\u00e3o de problemas avan\u00e7ada<\/a><\/li><li><a href=\"#\ud83d\udd04-maintenance-schedule-to-prevent-future-failures\" data-level=\"3\">Programa de manuten\u00e7\u00e3o para evitar falhas futuras<\/a><\/li><li><a href=\"#\ud83c\udd98-when-to-call-a-professional\" data-level=\"3\">\ud83c\udd98 Quando chamar um profissional<\/a><\/li><li><a href=\"#\u2705-how-to-fix-butterfly-valve-final-takeaways\" data-level=\"3\">Como consertar a v\u00e1lvula borboleta: Conclus\u00f5es finais<\/a><\/li><\/ul><\/li><\/ul><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\ud83d\udd0d-understanding-critical-butterfly-valve-components-and-how-they-fail\">\ud83d\udd0d Compreender os componentes cr\u00edticos das v\u00e1lvulas de borboleta (e como falham)<\/h2>\n\n\n\n<p><strong>As v\u00e1lvulas de borboleta controlam o fluxo<\/strong>&nbsp;melhor do que a maioria das v\u00e1lvulas - quando funcionam. O seu g\u00e9nio reside na simplicidade:&nbsp;<strong>Um disco roda 90 graus<\/strong>&nbsp;para deixar passar os fluidos ou para os bloquear completamente. Mas, como qualquer sistema mec\u00e2nico, a sua efici\u00eancia depende de quatro componentes principais:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Disco<\/strong>: A placa plana em forma de \"borboleta\" que veda a sede.<\/li>\n\n\n\n<li><strong>Assento<\/strong>: Anel de elast\u00f3mero ou de metal que forma a junta (EPDM\/NBR para os produtos qu\u00edmicos, a\u00e7o inoxid\u00e1vel para o vapor).<\/li>\n\n\n\n<li><strong>Caule<\/strong>: Eixo que liga o disco ao atuador. Pode dobrar-se em caso de sobrecarga.<\/li>\n\n\n\n<li><strong>Atuador do<\/strong>: Alavanca manual, pist\u00e3o pneum\u00e1tico ou motor el\u00e9trico que faz rodar a haste.<\/li>\n<\/ul>\n\n\n\n<p><strong>O fracasso n\u00e3o \u00e9 aleat\u00f3rio.<\/strong>&nbsp;As fugas ou a rigidez s\u00e3o um dos culpados:<br>\u26a0\ufe0f&nbsp;<strong>Assento desgastado<\/strong>&nbsp;(70% do meu trabalho de campo conclui que os fluidos abrasivos comem primeiro os assentos)<br>\u26a0\ufe0f&nbsp;<strong>Fugas no empanque da haste<\/strong>&nbsp;(a embalagem de grafite degrada-se com os ciclos de calor)<br>\u26a0\ufe0f&nbsp;<strong>Desalinhamento do disco<\/strong>&nbsp;(90% ocorrem ap\u00f3s erros de remontagem de manuten\u00e7\u00e3o)<br>\u26a0\ufe0f&nbsp;<strong>Acumula\u00e7\u00e3o de detritos<\/strong>&nbsp;(j\u00e1 viu uma v\u00e1lvula entupida de lodo recusar-se a fechar? eu vi).<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-how-to-fix-butterfly-valves\">Como reparar as v\u00e1lvulas de borboleta?<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\ud83d\udd27-step-1-diagnose-the-valve-failure-before-disassembly\">Passo 1: Diagnosticar a falha da v\u00e1lvula (antes da desmontagem)<\/h3>\n\n\n\n<p><strong>P\u00e1ra. Pega no teu telem\u00f3vel.<\/strong>&nbsp;Tire fotografias n\u00edtidas de:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Localiza\u00e7\u00e3o da fuga<\/strong>: Juntas de sede, haste ou flange?<\/li>\n\n\n\n<li><strong>Bin\u00e1rio de funcionamento<\/strong>: Mais r\u00edgido do que o normal? Anotar as leituras de for\u00e7a.<\/li>\n\n\n\n<li><strong>Posi\u00e7\u00e3o do disco aquando da falha<\/strong>: Paralelo ao fluxo? Preso a 45\u00b0?<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><em>Dica profissional: Em refinarias do Texas com mais de 90\u00b0F, apanhei a expans\u00e3o t\u00e9rmica a deformar os assentos de metal. Verifique sempre a temperatura ambiente.<\/em><\/p>\n<\/blockquote>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"quick-fault-tree\">\u00c1rvore de falhas r\u00e1pida:<\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>Sintoma<\/strong><\/th><th><strong>Causa prov\u00e1vel<\/strong><\/th><\/tr><\/thead><tbody><tr><td><strong>Fuga na flange<\/strong><\/td><td>Parafusos soltos ou junta danificada<\/td><\/tr><tr><td><strong>Fuga \u00e0 volta da haste<\/strong><\/td><td>Embalagem gasta<\/td><\/tr><tr><td><strong>O disco n\u00e3o veda<\/strong><\/td><td>Detritos no assento ou haste dobrada<\/td><\/tr><tr><td><strong>Atuador encravado<\/strong><\/td><td>Haste dobrada ou rolamento gripado<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\ud83d\udee1\ufe0f-step-2-lockouttagout--depressurize\">\ud83d\udee1\ufe0f Passo 2: Bloqueio\/Etiquetagem + Despressuriza\u00e7\u00e3o<\/h3>\n\n\n\n<p><strong>A sua lista de verifica\u00e7\u00e3o de seguran\u00e7a (\u26d4 saltar = risco de vida):<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Isolar os fluxos a montante\/jusante<\/strong>\u00a0atrav\u00e9s de v\u00e1lvulas de bloqueio. Verificar a press\u00e3o zero utilizando man\u00f3metros calibrados.<\/li>\n\n\n\n<li><strong>Bloqueio\/Sinaliza\u00e7\u00e3o de acordo com OSHA 1910.147<\/strong>.\u00a0<em>Exemplo<\/em>: \"V\u00c1LVULA 7B DESLIGADA PARA MANUTEN\u00c7\u00c3O - N\u00c3O ENERGIZAR.\"<\/li>\n\n\n\n<li><strong>Usar EPI certificado pela ANSI<\/strong>: Luvas resistentes aos cortes, \u00f3culos de prote\u00e7\u00e3o selados, botas com biqueira de a\u00e7o.\u00a0<em>Produtos qu\u00edmicos? Adicionar fatos \u00e1cidos<\/em>.<\/li>\n\n\n\n<li><strong>Atmosfera de ensaio<\/strong>\u00a0para res\u00edduos t\u00f3xicos (H\u2082S, cloro).<\/li>\n<\/ol>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><em>2025 Estat\u00edsticas da OSHA: 37% de les\u00f5es em v\u00e1lvulas resultam de despressuriza\u00e7\u00e3o n\u00e3o efectuada.<\/em><\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\ud83d\udee0\ufe0f-step-3-repairing-stem-packing-leaks-15-min-fix\">\ud83d\udee0\ufe0f Passo 3: Repara\u00e7\u00e3o de fugas no empanque da haste (15 minutos de repara\u00e7\u00e3o)<\/h3>\n\n\n\n<p><strong>Ferramentas<\/strong>: Chave dinamom\u00e9trica, kit de embalagem OEM, escovas de lat\u00e3o.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Retirar os parafusos do atuador<\/strong>\u00a0(norma ISO 5211).<\/li>\n\n\n\n<li><strong>Desapertar a porca de fixa\u00e7\u00e3o do bucim<\/strong>-Limpar as ranhuras da haste com ferramentas que n\u00e3o provoquem fa\u00edscas.<\/li>\n\n\n\n<li><strong>Extrair os an\u00e9is de embalagem antigos<\/strong>.\u00a0<em>Cr\u00edtico<\/em>: Nunca cortar suavemente com um gancho de embalagem.<\/li>\n\n\n\n<li><strong>Novo inv\u00f3lucro de grafite enrolado em espiral<\/strong>, escalonando as juntas a intervalos de 90\u00b0.<\/li>\n\n\n\n<li><strong>Apertar os parafusos do bucim em ter\u00e7os<\/strong>\u00a0(por exemplo, 30 p\u00e9s-lb \u2192 60 p\u00e9s-lb \u2192 90 p\u00e9s-lb).\u00a0<em>O aperto excessivo desfaz a embalagem<\/em>.<\/li>\n<\/ol>\n\n\n\n<p><strong>Teste<\/strong>: Fazer circular a v\u00e1lvula 5 vezes. N\u00e3o h\u00e1 choro? Conseguiu.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\ud83c\udf00-step-4-fixing-seat-seal-leakage\">Passo 4: Repara\u00e7\u00e3o de fugas na veda\u00e7\u00e3o da sede<\/h3>\n\n\n\n<p><strong>Ferramentas<\/strong>: Raspador n\u00e3o met\u00e1lico, lubrificante compat\u00edvel com a v\u00e1lvula, sede de substitui\u00e7\u00e3o.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Tubagem de descarga<\/strong>\u00a0a montante para purgar os detritos (utilizo rajadas de ar de 50 psi).<\/li>\n\n\n\n<li><strong>Retirar a v\u00e1lvula<\/strong>\u00a0(desapertar os olhais da flange, apoiar primeiro o peso do tubo!).<\/li>\n\n\n\n<li><strong>Inspecionar a sede e o disco<\/strong>\u00a0sob luz intensa. Verificar a exist\u00eancia de:\n<ul class=\"wp-block-list\">\n<li>Cortes\/arranh\u00f5es &gt;1mm de profundidade?\u00a0<strong>Substituir o assento<\/strong>.<\/li>\n\n\n\n<li>Pitting nos bancos de metal?\u00a0<strong>Revestimento da m\u00e1quina<\/strong>.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Limpar as superf\u00edcies de veda\u00e7\u00e3o<\/strong>\u00a0com \u00e1lcool isoprop\u00edlico - zero res\u00edduos de gordura.<\/li>\n\n\n\n<li><strong>Lubrificar a haste<\/strong>\u00a0ligeiramente (\u00e0 base de silicone para assentos de EPDM).<\/li>\n\n\n\n<li><strong>Reinstalar, apertar os parafusos em cruz<\/strong>\u00a0(especifica\u00e7\u00f5es ASME B16.34): <code>1 - 3 \u2572 \u2571 + \u2571 \u2572 4 - 2<\/code><\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u2699\ufe0f-step-5-solving-stiff-operation\">\u2699\ufe0f Passo 5: Resolver o funcionamento r\u00edgido<\/h3>\n\n\n\n<p><strong>Normalmente, hastes ou rolamentos.<\/strong>&nbsp;Siga isto:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Desmontar a caixa da haste<\/strong>-Medir a retid\u00e3o do caule (&lt;0,002\u2033 de desvio\/ft).<\/li>\n\n\n\n<li><strong>Substituir os casquilhos<\/strong>\u00a0se estiverem marcados (os casquilhos de bronze duram mais do que os de pl\u00e1stico em fluidos abrasivos).<\/li>\n\n\n\n<li><strong>Caule polaco<\/strong>\u00a0com lixa de esmeril de gr\u00e3o 600.\u00a0<em>Nunca a perda de toler\u00e2ncia de moagem provoca fugas<\/em>.<\/li>\n\n\n\n<li><strong>Verificar a centragem do disco<\/strong>\u00a0(utilizar paqu\u00edmetros - o disco tem de passar uniformemente pela carro\u00e7aria).<\/li>\n<\/ol>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><em>Hack de campo: Numa esta\u00e7\u00e3o de tratamento de \u00e1gua em Houston, os caules curvados saltaram 200% ap\u00f3s a entrada de sedimentos provocada pelo furac\u00e3o. Ap\u00f3s a inunda\u00e7\u00e3o, as verifica\u00e7\u00f5es de centragem de disco 100% reduziram as chamadas de retorno.<\/em><\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\ud83e\uddf0-advanced-troubleshooting\">\ud83e\uddf0 Resolu\u00e7\u00e3o de problemas avan\u00e7ada<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>Falha recorrente<\/strong><\/th><th><strong>Causa principal<\/strong><\/th><th><strong>Fixar<\/strong><\/th><\/tr><\/thead><tbody><tr><td><strong>O assento desgasta-se rapidamente<\/strong><\/td><td>Danos por cavita\u00e7\u00e3o<\/td><td>Instalar uma placa difusora ou atualizar o tamanho da v\u00e1lvula<\/td><\/tr><tr><td><strong>Caules corro\u00eddos<\/strong><\/td><td>SS de baixa qualidade em servi\u00e7o com cloro<\/td><td>Mudan\u00e7a para hastes de Hastelloy<\/td><\/tr><tr><td><strong>O atuador gagueja<\/strong><\/td><td>Fornecimento de ar h\u00famido<\/td><td>Adicionar secador em linha + filtro de 5 m\u00edcrones<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><em>Nota de 2025<\/em>:&nbsp;<strong>Assentos met\u00e1licos com tripla compensa\u00e7\u00e3o<\/strong>&nbsp;Falha? Alinhar os discos a laser - os m\u00e9todos manuais n\u00e3o detectam deforma\u00e7\u00f5es ao n\u00edvel dos microns.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\ud83d\udd04-maintenance-schedule-to-prevent-future-failures\">Programa de manuten\u00e7\u00e3o para evitar falhas futuras<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Mensal<\/strong>: Ciclar as v\u00e1lvulas 0\u2192100% para evitar a gripagem.<\/li>\n\n\n\n<li><strong>Trimestral<\/strong>: Substituir o lubrificante da haste (utilizar massa lubrificante conforme \u00e0 norma ISO 16048).<\/li>\n\n\n\n<li><strong>Anualmente<\/strong>: Ensaio hidr\u00e1ulico a 1,5x a press\u00e3o de funcionamento.<\/li>\n\n\n\n<li><strong>Dica profissional<\/strong>: As telas de filtro a montante reduzem o desgaste do assento em 80% em sistemas de lamas.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\ud83c\udd98-when-to-call-a-professional\">\ud83c\udd98 Quando chamar um profissional<\/h3>\n\n\n\n<p>N\u00e3o jogar com:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>V\u00e1lvulas criog\u00e9nicas<\/strong>\u00a0(as temperaturas de -320\u00b0F tornam os vedantes fr\u00e1geis).<\/li>\n\n\n\n<li><strong>Sistemas com certifica\u00e7\u00e3o API 598<\/strong>\u00a0(requer rastreabilidade documentada).<\/li>\n\n\n\n<li><strong>Hastes com vedante de fole<\/strong>-Necessidade de ferramentas especializadas.<\/li>\n<\/ul>\n\n\n\n<p><em>Conversa de verdade<\/em>: Facturo $1.200 para repara\u00e7\u00f5es de v\u00e1lvulas de vapor. Porqu\u00ea? Um passo em falso = perigo de escaldadura. Conhe\u00e7am os vossos limites.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u2705-how-to-fix-butterfly-valve-final-takeaways\">Como consertar a v\u00e1lvula borboleta: Conclus\u00f5es finais<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Diagnosticar primeiro<\/strong>: Fazer corresponder os sintomas \u00e0s causas profundas.<\/li>\n\n\n\n<li><strong>A seguran\u00e7a n\u00e3o \u00e9 opcional<\/strong>: Bloqueio, EPI e press\u00e3o zero salvam vidas.<\/li>\n\n\n\n<li><strong>Trocar pe\u00e7as macias<\/strong>: Assentos\/embalagem fixam 85% de fugas.<\/li>\n\n\n\n<li><strong>Prevenir &gt; Reparar<\/strong>: Os ciclos de rotina e os filtros evitam o tempo de inatividade.<\/li>\n<\/ol>\n\n\n\n<p>Essa fuga de informa\u00e7\u00e3o pode parecer assustadora agora - mas com este projeto, \u00e9 poss\u00edvel. Lembre-se:&nbsp;<strong>As v\u00e1lvulas falham. Os t\u00e9cnicos preparados n\u00e3o o fazem.<\/strong>&nbsp;Agora vai selar esse fluxo.<\/p>","protected":false},"excerpt":{"rendered":"<p>Este guia explica exatamente como reparar falhas nas v\u00e1lvulas de borboleta, desde gotejamentos inc\u00f3modos a discos gripados. Obter\u00e1 passos pr\u00e1ticos destilados a partir de d\u00e9cadas de trabalho de campo industrial - sem jarg\u00e3o, sem floreados.<\/p>","protected":false},"author":6,"featured_media":28605,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","kt_blocks_editor_width":"","footnotes":""},"categories":[2210],"tags":[4,598,5],"class_list":["post-28604","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-butterfly-valve","tag-butterfly","tag-step","tag-valve","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"featured_image_src_large":["https:\/\/zecovalve.com\/wp-content\/uploads\/2025\/06\/how-to-fix-butterfly-valve-picture-1024x576.jpg",1024,576,true],"author_info":{"display_name":"ZECO Valve","author_link":"https:\/\/zecovalve.com\/pt\/author\/zeco-valve"},"comment_info":0,"category_info":[{"term_id":2210,"name":"Butterfly Valve","slug":"butterfly-valve","term_group":0,"term_taxonomy_id":2210,"taxonomy":"category","description":"","parent":0,"count":49,"filter":"raw","cat_ID":2210,"category_count":49,"category_description":"","cat_name":"Butterfly Valve","category_nicename":"butterfly-valve","category_parent":0}],"tag_info":[{"term_id":4,"name":"butterfly","slug":"butterfly","term_group":0,"term_taxonomy_id":4,"taxonomy":"post_tag","description":"","parent":0,"count":15,"filter":"raw"},{"term_id":598,"name":"step","slug":"step","term_group":0,"term_taxonomy_id":598,"taxonomy":"post_tag","description":"","parent":0,"count":4,"filter":"raw"},{"term_id":5,"name":"valve","slug":"valve","term_group":0,"term_taxonomy_id":5,"taxonomy":"post_tag","description":"","parent":0,"count":116,"filter":"raw"}],"taxonomy_info":{"category":[{"value":2210,"label":"Butterfly Valve"}],"post_tag":[{"value":4,"label":"butterfly"},{"value":598,"label":"step"},{"value":5,"label":"valve"}]},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to Fix Butterfly Valves: A Step-by-Step Troubleshooting Guide - 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\/how-to-fix-butterfly-valves.html\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to Fix Butterfly Valves: A Step-by-Step Troubleshooting Guide - ZECO Valve\" \/>\n<meta property=\"og:description\" content=\"This guide breaks down exactly\u00a0how to fix butterfly valve failures, from pesky drips to seized-up discs. 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