{"id":16627,"date":"2022-06-22T07:12:06","date_gmt":"2022-06-22T07:12:06","guid":{"rendered":"https:\/\/zecovalve.com\/?p=16627"},"modified":"2022-06-22T07:12:07","modified_gmt":"2022-06-22T07:12:07","slug":"analysis-of-the-sealing-problem-of-high-temperature-butterfly-valve","status":"publish","type":"post","link":"https:\/\/zecovalve.com\/pt\/analysis-of-the-sealing-problem-of-high-temperature-butterfly-valve.html","title":{"rendered":"An\u00e1lise do problema de veda\u00e7\u00e3o da v\u00e1lvula borboleta de alta temperatura"},"content":{"rendered":"<h2 class=\"wp-block-heading\" id=\"h-analysis-of-the-sealing-problem-of-high-temperature-butterfly-valve\">An\u00e1lise do problema de veda\u00e7\u00e3o da v\u00e1lvula borboleta de alta temperatura<\/h2>\n\n\n\n<p>O desempenho de veda\u00e7\u00e3o da v\u00e1lvula refere-se \u00e0 capacidade do par de veda\u00e7\u00e3o da v\u00e1lvula de evitar vazamentos m\u00e9dios. Este \u00e9 um importante \u00edndice de desempenho t\u00e9cnico da v\u00e1lvula. O par de veda\u00e7\u00e3o da v\u00e1lvula borboleta est\u00e1 continuamente se desenvolvendo e mudando. A v\u00e1lvula borboleta exc\u00eantrica dupla usa a for\u00e7a exercida pela haste da v\u00e1lvula entre a sede da v\u00e1lvula e a placa borboleta para produzir uma certa deforma\u00e7\u00e3o el\u00e1stica entre os pares de veda\u00e7\u00e3o e obter a veda\u00e7\u00e3o. Existem duas superf\u00edcies de veda\u00e7\u00e3o, uma c\u00f4nica e a outra circular. Portanto, a excentricidade dupla \u00e9 a veda\u00e7\u00e3o da linha.<\/p>\n\n\n\n<p>Com base na v\u00e1lvula borboleta exc\u00eantrica dupla, a v\u00e1lvula borboleta exc\u00eantrica tripla toma o centro da haste da v\u00e1lvula exc\u00eantrica dupla como centro e desvia a superf\u00edcie de veda\u00e7\u00e3o c\u00f4nica em um determinado \u00e2ngulo. Neste momento, a face de veda\u00e7\u00e3o da v\u00e1lvula borboleta tripla exc\u00eantrica n\u00e3o \u00e9 mais uma veda\u00e7\u00e3o de linha circular, mas a veda\u00e7\u00e3o de uma face el\u00edptica, e a superf\u00edcie de veda\u00e7\u00e3o \u00e9 assim\u00e9trica. Para evitar o fechamento excessivo da v\u00e1lvula borboleta, uma pequena parte da superf\u00edcie de veda\u00e7\u00e3o fica paralela \u00e0 passagem da v\u00e1lvula. Portanto, a v\u00e1lvula borboleta tripla exc\u00eantrica mudou fundamentalmente a estrutura do projeto da v\u00e1lvula borboleta.<\/p>\n\n\n\n<p>Quando a v\u00e1lvula borboleta est\u00e1 fechada, a veda\u00e7\u00e3o de pequenos peda\u00e7os da v\u00e1lvula borboleta tripla exc\u00eantrica depende da press\u00e3o espec\u00edfica da haste da v\u00e1lvula. Um anel de veda\u00e7\u00e3o composto por placa de a\u00e7o inoxid\u00e1vel e grafite flex\u00edvel \u00e9 embutido ao redor do triplo exc\u00eantrico&nbsp;<a href=\"https:\/\/zecovalve.com\/pt\/products\/butterfly-valve\/\">v\u00e1lvula de borboleta<\/a>. Este tipo de veda\u00e7\u00e3o tem as vantagens duplas da veda\u00e7\u00e3o r\u00edgida met\u00e1lica e da veda\u00e7\u00e3o macia n\u00e3o met\u00e1lica. O \u00edndice de desempenho de veda\u00e7\u00e3o \u00e9 alto. Quando a v\u00e1lvula borboleta funciona em condi\u00e7\u00f5es de temperatura ultra-alta ou ultrabaixa, a mudan\u00e7a de temperatura causar\u00e1 a deforma\u00e7\u00e3o da veda\u00e7\u00e3o. Se a deforma\u00e7\u00e3o n\u00e3o for efetivamente controlada e compensada, o par de veda\u00e7\u00e3o ter\u00e1 folga, resultando em vazamento. Portanto, em geral, a v\u00e1lvula borboleta n\u00e3o \u00e9 adequada para temperaturas ultra-altas ou ultrabaixas.<\/p>\n\n\n\n<p>Para expandir a aplica\u00e7\u00e3o da v\u00e1lvula borboleta, come\u00e7amos com o projeto da estrutura de veda\u00e7\u00e3o da v\u00e1lvula borboleta. Ao usar o par de veda\u00e7\u00e3o el\u00e1stico ou melhorar a capacidade de deforma\u00e7\u00e3o el\u00e1stica do par de veda\u00e7\u00e3o, a deforma\u00e7\u00e3o causada pela mudan\u00e7a de temperatura entre os pares de veda\u00e7\u00e3o da v\u00e1lvula pode ser compensada ou preenchida, de modo a garantir a veda\u00e7\u00e3o confi\u00e1vel da v\u00e1lvula borboleta sob o ultra- condi\u00e7\u00e3o de alta temperatura.<\/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\/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\/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\/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\/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\/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\/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>An\u00e1lise do problema de veda\u00e7\u00e3o da v\u00e1lvula borboleta de alta temperatura O desempenho de veda\u00e7\u00e3o da v\u00e1lvula refere-se \u00e0 capacidade do par de veda\u00e7\u00e3o da v\u00e1lvula de evitar\u2026 <a title=\"An\u00e1lise do problema de veda\u00e7\u00e3o da v\u00e1lvula borboleta de alta temperatura\" class=\"read-more\" href=\"https:\/\/zecovalve.com\/pt\/analysis-of-the-sealing-problem-of-high-temperature-butterfly-valve.html\" aria-label=\"Mais em An\u00e1lise do Problema de Veda\u00e7\u00e3o de V\u00e1lvula Borboleta de Alta Temperatura\">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":[1957,2349],"class_list":["post-16627","post","type-post","status-publish","format-standard","hentry","category-butterfly-valve","tag-butterfly-valve","tag-high-temperature-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":2349,"name":"high temperature butterfly valve","slug":"high-temperature-butterfly-valve","term_group":0,"term_taxonomy_id":2349,"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":2349,"label":"high temperature butterfly valve"}]},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v15.4 - 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