{"id":16563,"date":"2022-06-21T07:50:00","date_gmt":"2022-06-21T07:50:00","guid":{"rendered":"https:\/\/zecovalve.com\/?p=16563"},"modified":"2022-06-21T07:50:00","modified_gmt":"2022-06-21T07:50:00","slug":"characteristics-application-and-disadvantages-of-butterfly-valve","status":"publish","type":"post","link":"https:\/\/zecovalve.com\/pt\/characteristics-application-and-disadvantages-of-butterfly-valve.html","title":{"rendered":"Caracter\u00edsticas Aplica\u00e7\u00e3o e Desvantagens da V\u00e1lvula Borboleta"},"content":{"rendered":"<p>A v\u00e1lvula borboleta \u00e9 popular devido \u00e0 sua r\u00e1pida velocidade de abertura e fechamento, tend\u00eancia de autoveda\u00e7\u00e3o e peso leve. \u00c9 amplamente utilizado em equipamentos de grande e m\u00e9dio calibre em m\u00e9dia e baixa press\u00e3o. Especialmente nos \u00faltimos anos, a v\u00e1lvula borboleta com veda\u00e7\u00e3o r\u00edgida exc\u00eantrica tridimensional melhorou muito a temperatura de trabalho da v\u00e1lvula borboleta.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-but-the-butterfly-valve-has-two-problems\"><strong>Mas a v\u00e1lvula borboleta tem dois problemas:<\/strong><\/h2>\n\n\n\n<p>Em primeiro lugar, o torque de abertura e fechamento da v\u00e1lvula \u00e9 grande devido \u00e0 excentricidade radial da haste da v\u00e1lvula e \u00e0 for\u00e7a de atrito da superf\u00edcie de veda\u00e7\u00e3o;<\/p>\n\n\n\n<p>Em segundo lugar, devido \u00e0 folga entre a haste da v\u00e1lvula e o corpo da v\u00e1lvula e \u00e0 deforma\u00e7\u00e3o por interfer\u00eancia da placa borboleta e da haste da v\u00e1lvula quando a placa borboleta est\u00e1 sob press\u00e3o, o desempenho de veda\u00e7\u00e3o da&nbsp;<a href=\"https:\/\/zecovalve.com\/pt\/products\/butterfly-valve\/\">v\u00e1lvula de borboleta<\/a>&nbsp;alimentar o meio pela lateral da haste da v\u00e1lvula \u00e9 bom, portanto, os requisitos de veda\u00e7\u00e3o n\u00e3o podem ser alcan\u00e7ados quando o meio \u00e9 alimentado reversamente. Costumava ser chamada de veda\u00e7\u00e3o unidirecional, que n\u00e3o s\u00f3 \u00e9 inferior \u00e0 v\u00e1lvula esf\u00e9rica, v\u00e1lvula gaveta e outras v\u00e1lvulas de veda\u00e7\u00e3o bidirecional, mas tamb\u00e9m n\u00e3o atende \u00e0s necessidades dos usu\u00e1rios em muitos casos. Mais importante ainda, n\u00e3o atende aos requisitos da norma.<\/p>\n\n\n\n<p>GB \/ T13927 estipula que a \u201cv\u00e1lvula borboleta\u201d deve introduzir o meio na dire\u00e7\u00e3o mais desfavor\u00e1vel \u00e0 veda\u00e7\u00e3o e aplicar press\u00e3o. A v\u00e1lvula borboleta com v\u00e1lvula sim\u00e9trica pode ser pressurizada em qualquer dire\u00e7\u00e3o.<\/p>\n\n\n\n<p>Pode-se observar que a v\u00e1lvula borboleta que s\u00f3 pode ser vedada de uma forma n\u00e3o \u00e9 qualificada de acordo com os requisitos de GB\/T13927.<\/p>\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\/what-is-an-axial-flow-silent-check-valve.html\/\">O que \u00e9 uma v\u00e1lvula de reten\u00e7\u00e3o axial<\/a>\n\n<\/div>\n\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\/gate-valve-problems.html\/\">Reparo de v\u00e1lvula gaveta<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/pt\/difference-between-gate-valves-and-ball-valves.html\/\">V\u00e1lvula de gaveta vs V\u00e1lvula de esfera<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/pt\/introduction-of-epdm-nbr-butterfly-valve-seat-industrial-valve-information-news-zeco-valve.html\/\">V\u00e1lvula borboleta NBR<\/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\/tag\/shanghai-pressure-reducing-valve-factory\/\">F\u00e1brica de v\u00e1lvulas redutoras de press\u00e3o de Xangai<\/a>\n\n<\/div>","protected":false},"excerpt":{"rendered":"<p>A v\u00e1lvula borboleta \u00e9 popular devido \u00e0 sua r\u00e1pida velocidade de abertura e fechamento, tend\u00eancia de autoveda\u00e7\u00e3o e peso leve. \u00c9 muito utilizado em equipamentos de grande e m\u00e9dio calibre\u2026 <a title=\"Caracter\u00edsticas Aplica\u00e7\u00e3o e Desvantagens da V\u00e1lvula Borboleta\" class=\"read-more\" href=\"https:\/\/zecovalve.com\/pt\/characteristics-application-and-disadvantages-of-butterfly-valve.html\" aria-label=\"Mais em Caracter\u00edsticas Aplica\u00e7\u00e3o e Desvantagens da V\u00e1lvula Borboleta\">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":[2210],"tags":[1957,2074],"class_list":["post-16563","post","type-post","status-publish","format-standard","hentry","category-butterfly-valve","tag-butterfly-valve","tag-disadvantages-of-butterfly-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":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":1957,"name":"butterfly valve","slug":"butterfly-valve","term_group":0,"term_taxonomy_id":1957,"taxonomy":"post_tag","description":"","parent":0,"count":30,"filter":"raw"},{"term_id":2074,"name":"disadvantages of butterfly valve","slug":"disadvantages-of-butterfly-valve","term_group":0,"term_taxonomy_id":2074,"taxonomy":"post_tag","description":"","parent":0,"count":2,"filter":"raw"}],"taxonomy_info":{"category":[{"value":2210,"label":"Butterfly Valve"}],"post_tag":[{"value":1957,"label":"butterfly valve"},{"value":2074,"label":"disadvantages of butterfly valve"}]},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v15.4 - 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