{"id":16367,"date":"2022-06-20T15:29:55","date_gmt":"2022-06-20T15:29:55","guid":{"rendered":"https:\/\/zecovalve.com\/?p=16367"},"modified":"2022-06-20T15:29:56","modified_gmt":"2022-06-20T15:29:56","slug":"double-block-discharge-slab-gate-valve-with-diversion-hole","status":"publish","type":"post","link":"https:\/\/zecovalve.com\/pt\/double-block-discharge-slab-gate-valve-with-diversion-hole.html","title":{"rendered":"V\u00e1lvula de gaveta de laje de descarga de bloco duplo com furo de desvio"},"content":{"rendered":"<p>A v\u00e1lvula gaveta de laje de corte duplo com orif\u00edcio de desvio \u00e9 usada principalmente para cortar o meio. \u00c9 uma esp\u00e9cie de v\u00e1lvula de duto, utilizada em diversas ind\u00fastrias, como g\u00e1s natural, petr\u00f3leo, etc.\u00a0<\/p>\n\n\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-main-features-of-slab-gate-valve\">Principais caracter\u00edsticas da v\u00e1lvula gaveta de laje<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>1. Com a estrutura do orif\u00edcio de desvio, a superf\u00edcie de veda\u00e7\u00e3o da sede da v\u00e1lvula est\u00e1 sempre em contato com o ar\u00edete quando a v\u00e1lvula \u00e9 aberta e fechada, o que pode efetivamente evitar arranhar a superf\u00edcie de veda\u00e7\u00e3o devido \u00e0 entrada de meio na sede da v\u00e1lvula, melhorando assim o vida \u00fatil da superf\u00edcie de veda\u00e7\u00e3o da sede da v\u00e1lvula, e a v\u00e1lvula pode desempenhar o papel de <a href=\"https:\/\/zecovalve.com\/pt\/understanding-pigging-and-pig-valves-in-industrial-pipelines-zeco-valve-blog.html\/\" data-internallinksmanager029f6b8e52c=\"12\" title=\"pigmenta\u00e7\u00e3o\" target=\"_blank\" rel=\"noopener\">pigmenta\u00e7\u00e3o<\/a>.<\/li><li>2. Com estrutura de veda\u00e7\u00e3o dupla, a v\u00e1lvula \u00e9 vedada principalmente pela sede de veda\u00e7\u00e3o macia. Quando a sede de veda\u00e7\u00e3o macia \u00e9 danificada, uma segunda veda\u00e7\u00e3o pode ser obtida na superf\u00edcie de veda\u00e7\u00e3o met\u00e1lica sobreposta \u00e0 sede.<\/li><li>3. Fun\u00e7\u00e3o de descarga de bloco duplo: quando a v\u00e1lvula est\u00e1 fechada, para obter bloqueio duplo, as sedes das v\u00e1lvulas de entrada e sa\u00edda podem selar o meio da tubula\u00e7\u00e3o em ambas as extremidades da sede da v\u00e1lvula de bloqueio; quando a press\u00e3o na cavidade da v\u00e1lvula aumenta anormalmente, para obter a fun\u00e7\u00e3o de descarga dupla, a diferen\u00e7a de press\u00e3o que atua em ambos os lados da sede da v\u00e1lvula empurrar\u00e1 a comporta de impulso da sede da v\u00e1lvula para descarregar a press\u00e3o na cavidade na tubula\u00e7\u00e3o.<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-working-principles-of-double-block-drain-valve-seat\">Princ\u00edpios de funcionamento da sede da v\u00e1lvula de drenagem de bloco duplo<\/h2>\n\n\n\n<p>Quando a v\u00e1lvula est\u00e1 fechada, a for\u00e7a de veda\u00e7\u00e3o inicial da superf\u00edcie de veda\u00e7\u00e3o \u00e9 fornecida pela mola na sede da v\u00e1lvula. Quando a press\u00e3o m\u00e9dia que entra nas tubula\u00e7\u00f5es a montante e a jusante da v\u00e1lvula \u00e9 p, para atingir a fun\u00e7\u00e3o de corte duplo da v\u00e1lvula, a sede da v\u00e1lvula \u00e9 empurrada para o ar\u00edete pela diferen\u00e7a de press\u00e3o m\u00e9dia na \u00e1rea anular limitada. Quando a press\u00e3o na cavidade central da v\u00e1lvula aumenta anormalmente, a sede da v\u00e1lvula \u00e9 empurrada para longe do ar\u00edete pela diferen\u00e7a de press\u00e3o entre os dois lados da sede da v\u00e1lvula e a \u00e1rea anular limitada, que supera a for\u00e7a da mola, de modo que a press\u00e3o na cavidade intermedi\u00e1ria pode ser descarregado na tubula\u00e7\u00e3o atrav\u00e9s do espa\u00e7o entre o ar\u00edete e a sede da v\u00e1lvula, realizando a fun\u00e7\u00e3o de autodescarga da press\u00e3o da cavidade intermedi\u00e1ria, ou seja, descarga dupla.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-summary-of-double-block-discharge-slab-gate-valve\">Resumo da v\u00e1lvula gaveta de laje de descarga de bloco duplo<\/h2>\n\n\n\n<p>Em compara\u00e7\u00e3o com a v\u00e1lvula de gaveta \u00fanica comum, a v\u00e1lvula de gaveta de descarga de corte duplo com orif\u00edcio de desvio tem as vantagens de pequeno atrito na superf\u00edcie de veda\u00e7\u00e3o da sede da v\u00e1lvula, longa vida \u00fatil e baixo esfor\u00e7o de abertura. Quando a v\u00e1lvula est\u00e1 fechada, as sedes da v\u00e1lvula em ambas as extremidades da entrada e da sa\u00edda podem ser vedadas ao mesmo tempo. Quando a press\u00e3o na cavidade intermedi\u00e1ria aumenta anormalmente, a press\u00e3o na cavidade intermedi\u00e1ria pode ser descarregada automaticamente na tubula\u00e7\u00e3o, para que a v\u00e1lvula seja mais segura e confi\u00e1vel. Em alguns casos, a v\u00e1lvula de gaveta de laje de descarga de bloco duplo com orif\u00edcio guia pode substituir a v\u00e1lvula de esfera, de modo que o campo de aplica\u00e7\u00e3o da v\u00e1lvula de gaveta de laje seja ainda mais expandido.<\/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\/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\/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\/advantages-and-disadvantages-of-globe-valves.html\/\">O que \u00e9 uma v\u00e1lvula de globo?<\/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\/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\/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\/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>A v\u00e1lvula gaveta de laje de corte duplo com orif\u00edcio de desvio \u00e9 usada principalmente para cortar o meio. \u00c9 uma esp\u00e9cie de\u2026 <a title=\"V\u00e1lvula de gaveta de laje de descarga de bloco duplo com furo de desvio\" class=\"read-more\" href=\"https:\/\/zecovalve.com\/pt\/double-block-discharge-slab-gate-valve-with-diversion-hole.html\" aria-label=\"Mais em V\u00e1lvula Gaveta de Laje de Descarga de Bloco Duplo com Furo de Desvio\">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":[1928],"tags":[1079,1163,5],"class_list":["post-16367","post","type-post","status-publish","format-standard","hentry","category-gate-valve","tag-diversion","tag-hole","tag-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":1928,"name":"Gate Valve","slug":"gate-valve","term_group":0,"term_taxonomy_id":1928,"taxonomy":"category","description":"","parent":0,"count":48,"filter":"raw","cat_ID":1928,"category_count":48,"category_description":"","cat_name":"Gate Valve","category_nicename":"gate-valve","category_parent":0}],"tag_info":[{"term_id":1079,"name":"diversion","slug":"diversion","term_group":0,"term_taxonomy_id":1079,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"},{"term_id":1163,"name":"hole","slug":"hole","term_group":0,"term_taxonomy_id":1163,"taxonomy":"post_tag","description":"","parent":0,"count":1,"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":1928,"label":"Gate Valve"}],"post_tag":[{"value":1079,"label":"diversion"},{"value":1163,"label":"hole"},{"value":5,"label":"valve"}]},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v15.4 - 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