{"id":530,"date":"2026-10-03T14:23:52","date_gmt":"2026-10-03T17:23:52","guid":{"rendered":"https:\/\/www.unihidral.com.br\/blog\/?p=530"},"modified":"2026-10-03T14:23:53","modified_gmt":"2026-10-03T17:23:53","slug":"uniao-dupla-igual","status":"publish","type":"post","link":"https:\/\/www.unihidral.com.br\/blog\/conexoes\/uniao-dupla-igual\/","title":{"rendered":"Uni\u00e3o Dupla Igual para Tubos | Unihidral"},"content":{"rendered":"<span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Tempo de leitura<\/span> <span class=\"rt-time\"> 3<\/span> <span class=\"rt-label rt-postfix\">minutos<\/span><\/span>\n<p class=\"wp-block-paragraph\">A <strong>Uni\u00e3o Dupla Igual<\/strong> \u00e9 uma conex\u00e3o reta desenvolvida para unir dois tubos de mesmo di\u00e2metro externo. Por isso, ela \u00e9 muito utilizada em sistemas que exigem uma liga\u00e7\u00e3o segura, pr\u00e1tica e desmont\u00e1vel.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A Unihidral disponibiliza a essa conex\u00e3o em vers\u00f5es de <strong>a\u00e7o e inox<\/strong>. Dessa forma, \u00e9 poss\u00edvel escolher a configura\u00e7\u00e3o mais adequada de acordo com as caracter\u00edsticas do circuito e da aplica\u00e7\u00e3o.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/www.unihidral.com.br\/blog\/wp-content\/uploads\/2026\/10\/WhatsApp-Image-2026-10-03-at-12.05.09-1024x576.jpeg\" alt=\"Uni\u00e3o Dupla Igual para tubos em sistemas hidr\u00e1ulicos\" class=\"wp-image-533\" srcset=\"https:\/\/www.unihidral.com.br\/blog\/wp-content\/uploads\/2026\/10\/WhatsApp-Image-2026-10-03-at-12.05.09-1024x576.jpeg 1024w, https:\/\/www.unihidral.com.br\/blog\/wp-content\/uploads\/2026\/10\/WhatsApp-Image-2026-10-03-at-12.05.09-300x169.jpeg 300w, https:\/\/www.unihidral.com.br\/blog\/wp-content\/uploads\/2026\/10\/WhatsApp-Image-2026-10-03-at-12.05.09-768x432.jpeg 768w, https:\/\/www.unihidral.com.br\/blog\/wp-content\/uploads\/2026\/10\/WhatsApp-Image-2026-10-03-at-12.05.09-1536x864.jpeg 1536w, https:\/\/www.unihidral.com.br\/blog\/wp-content\/uploads\/2026\/10\/WhatsApp-Image-2026-10-03-at-12.05.09-107x60.jpeg 107w, https:\/\/www.unihidral.com.br\/blog\/wp-content\/uploads\/2026\/10\/WhatsApp-Image-2026-10-03-at-12.05.09.jpeg 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_71 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\">T\u00f3picos do artigo<\/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=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" 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: #999;color:#999\" 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:\/\/www.unihidral.com.br\/blog\/conexoes\/uniao-dupla-igual\/#Como_funciona_a_Uniao_Dupla_Igual\" title=\"Como funciona a Uni\u00e3o Dupla Igual?\">Como funciona a Uni\u00e3o Dupla Igual?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.unihidral.com.br\/blog\/conexoes\/uniao-dupla-igual\/#Para_que_serve_a_Uniao_Dupla_Igual\" title=\"Para que serve a Uni\u00e3o Dupla Igual?\">Para que serve a Uni\u00e3o Dupla Igual?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.unihidral.com.br\/blog\/conexoes\/uniao-dupla-igual\/#Materiais_disponiveis\" title=\"Materiais dispon\u00edveis\">Materiais dispon\u00edveis<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.unihidral.com.br\/blog\/conexoes\/uniao-dupla-igual\/#Dimensoes_da_Uniao_Dupla_Igual\" title=\"Dimens\u00f5es da Uni\u00e3o Dupla Igual\">Dimens\u00f5es da Uni\u00e3o Dupla Igual<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.unihidral.com.br\/blog\/conexoes\/uniao-dupla-igual\/#O_que_considerar_antes_da_especificacao\" title=\"O que considerar antes da especifica\u00e7\u00e3o?\">O que considerar antes da especifica\u00e7\u00e3o?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.unihidral.com.br\/blog\/conexoes\/uniao-dupla-igual\/#Uniao_Dupla_Igual_Unihidral\" title=\"Uni\u00e3o Dupla Igual Unihidral\">Uni\u00e3o Dupla Igual Unihidral<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Como_funciona_a_Uniao_Dupla_Igual\"><\/span>Como funciona a Uni\u00e3o Dupla Igual?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Essa uni\u00e3o utiliza um sistema de porca de aperto e anel de penetra\u00e7\u00e3o. Durante a montagem, o aperto da porca conduz o anel pela regi\u00e3o c\u00f4nica da conex\u00e3o.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Em seguida, o anel penetra de maneira controlada na superf\u00edcie externa do tubo. Assim, o sistema cria a reten\u00e7\u00e3o necess\u00e1ria para manter a conex\u00e3o firme e contribuir para a estanqueidade da linha.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Al\u00e9m disso, nas vers\u00f5es em a\u00e7o inoxid\u00e1vel, o princ\u00edpio de funcionamento permanece o mesmo, respeitando as caracter\u00edsticas espec\u00edficas do material e do anel de penetra\u00e7\u00e3o.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" data-id=\"534\" src=\"https:\/\/www.unihidral.com.br\/blog\/wp-content\/uploads\/2026\/10\/WhatsApp-Image-2026-10-03-at-12.05.09-1-1024x768.jpeg\" alt=\"Aplica\u00e7\u00e3o da Uni\u00e3o Dupla Igual entre tubos de mesmo di\u00e2metro\" class=\"wp-image-534\" srcset=\"https:\/\/www.unihidral.com.br\/blog\/wp-content\/uploads\/2026\/10\/WhatsApp-Image-2026-10-03-at-12.05.09-1-1024x768.jpeg 1024w, https:\/\/www.unihidral.com.br\/blog\/wp-content\/uploads\/2026\/10\/WhatsApp-Image-2026-10-03-at-12.05.09-1-300x225.jpeg 300w, https:\/\/www.unihidral.com.br\/blog\/wp-content\/uploads\/2026\/10\/WhatsApp-Image-2026-10-03-at-12.05.09-1-768x576.jpeg 768w, https:\/\/www.unihidral.com.br\/blog\/wp-content\/uploads\/2026\/10\/WhatsApp-Image-2026-10-03-at-12.05.09-1-80x60.jpeg 80w, https:\/\/www.unihidral.com.br\/blog\/wp-content\/uploads\/2026\/10\/WhatsApp-Image-2026-10-03-at-12.05.09-1.jpeg 1448w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Para_que_serve_a_Uniao_Dupla_Igual\"><\/span>Para que serve a Uni\u00e3o Dupla Igual?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A principal fun\u00e7\u00e3o do componente \u00e9 manter a continuidade de uma linha ao conectar diretamente dois tubos com o mesmo di\u00e2metro externo.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Por esse motivo, a conex\u00e3o pode ser aplicada em circuitos flu\u00eddicos, sistemas hidr\u00e1ulicos e diferentes instala\u00e7\u00f5es industriais que necessitam de uma uni\u00e3o desmont\u00e1vel entre tubos.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Entre suas principais caracter\u00edsticas est\u00e3o:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>conex\u00e3o entre tubos de mesmo di\u00e2metro externo;<\/li>\n\n\n\n<li>montagem por porca e anel de penetra\u00e7\u00e3o;<\/li>\n\n\n\n<li>possibilidade de desmontagem da conex\u00e3o;<\/li>\n\n\n\n<li>instala\u00e7\u00e3o compacta e organizada;<\/li>\n\n\n\n<li>disponibilidade em diferentes dimens\u00f5es.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Materiais_disponiveis\"><\/span>Materiais dispon\u00edveis<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A Unihidral oferece a <strong>Uni\u00e3o Dupla Igual<\/strong> em vers\u00f5es de a\u00e7o e inox.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>A\u00e7o \u2013 UDA<\/strong><br>Essa vers\u00e3o atende diferentes aplica\u00e7\u00f5es hidr\u00e1ulicas e industriais, desde que as condi\u00e7\u00f5es de opera\u00e7\u00e3o sejam compat\u00edveis com o material.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Inox \u2013 UDI<\/strong><br>J\u00e1 a vers\u00e3o em inox \u00e9 indicada para projetos que exigem caracter\u00edsticas espec\u00edficas de resist\u00eancia e durabilidade.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Al\u00e9m disso, a escolha do material deve considerar o fluido utilizado, o ambiente de instala\u00e7\u00e3o e as condi\u00e7\u00f5es de trabalho do circuito.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Dimensoes_da_Uniao_Dupla_Igual\"><\/span>Dimens\u00f5es da Uni\u00e3o Dupla Igual<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A fam\u00edlia de Uni\u00e3o Dupla Igual contempla conex\u00f5es para tubos com <strong>di\u00e2metros externos de 4 mm a 42 mm<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cada dimens\u00e3o possui uma refer\u00eancia correspondente da fam\u00edlia <strong>UD<\/strong>. Al\u00e9m disso, as medidas de comprimento e os sextavados variam conforme o tamanho da conex\u00e3o.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"819\" height=\"1024\" src=\"https:\/\/www.unihidral.com.br\/blog\/wp-content\/uploads\/2026\/10\/WhatsApp-Image-2026-10-03-at-12.05.09-3-819x1024.jpeg\" alt=\"Tabela dimensional da Uni\u00e3o Dupla Igual\" class=\"wp-image-535\" srcset=\"https:\/\/www.unihidral.com.br\/blog\/wp-content\/uploads\/2026\/10\/WhatsApp-Image-2026-10-03-at-12.05.09-3-819x1024.jpeg 819w, https:\/\/www.unihidral.com.br\/blog\/wp-content\/uploads\/2026\/10\/WhatsApp-Image-2026-10-03-at-12.05.09-3-240x300.jpeg 240w, https:\/\/www.unihidral.com.br\/blog\/wp-content\/uploads\/2026\/10\/WhatsApp-Image-2026-10-03-at-12.05.09-3-768x960.jpeg 768w, https:\/\/www.unihidral.com.br\/blog\/wp-content\/uploads\/2026\/10\/WhatsApp-Image-2026-10-03-at-12.05.09-3-48x60.jpeg 48w, https:\/\/www.unihidral.com.br\/blog\/wp-content\/uploads\/2026\/10\/WhatsApp-Image-2026-10-03-at-12.05.09-3-448x560.jpeg 448w, https:\/\/www.unihidral.com.br\/blog\/wp-content\/uploads\/2026\/10\/WhatsApp-Image-2026-10-03-at-12.05.09-3.jpeg 1122w\" sizes=\"auto, (max-width: 819px) 100vw, 819px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">As dimens\u00f5es apresentadas s\u00e3o nominais. Portanto, a especifica\u00e7\u00e3o deve considerar o di\u00e2metro do tubo, o material escolhido e a configura\u00e7\u00e3o da conex\u00e3o.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"O_que_considerar_antes_da_especificacao\"><\/span>O que considerar antes da especifica\u00e7\u00e3o?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Antes de escolher uma <strong>Uni\u00e3o Dupla Igual<\/strong>, considere alguns pontos importantes:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>di\u00e2metro externo do tubo;<\/li>\n\n\n\n<li>material da conex\u00e3o;<\/li>\n\n\n\n<li>condi\u00e7\u00f5es de opera\u00e7\u00e3o do sistema;<\/li>\n\n\n\n<li>caracter\u00edsticas do fluido utilizado;<\/li>\n\n\n\n<li>procedimento correto de montagem e crava\u00e7\u00e3o.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Dessa forma, a escolha correta da conex\u00e3o contribui para o desempenho, a seguran\u00e7a e a confiabilidade da instala\u00e7\u00e3o.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Uniao_Dupla_Igual_Unihidral\"><\/span>Uni\u00e3o Dupla Igual Unihidral<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A <strong>Unihidral<\/strong> oferece solu\u00e7\u00f5es em tubos e conex\u00f5es para diferentes aplica\u00e7\u00f5es industriais e hidr\u00e1ulicas.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Assim, para selecionar a Uni\u00e3o Dupla Igual adequada ao seu projeto, \u00e9 importante avaliar o di\u00e2metro do tubo, o material da conex\u00e3o e as condi\u00e7\u00f5es de funcionamento do sistema.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Conhe\u00e7a tamb\u00e9m outras solu\u00e7\u00f5es em <a href=\"https:\/\/www.unihidral.com.br\/conexoes\" target=\"_blank\" rel=\"noreferrer noopener\">tubos e conex\u00f5es da Unihidral<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Entre em contato com a Unihidral para mais informa\u00e7\u00f5es e suporte na especifica\u00e7\u00e3o da conex\u00e3o ideal para sua aplica\u00e7\u00e3o.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Tempo de leitura<\/span> <span class=\"rt-time\"> 3<\/span> <span class=\"rt-label rt-postfix\">minutos<\/span><\/span>A Uni\u00e3o Dupla Igual \u00e9 uma conex\u00e3o reta desenvolvida para unir dois tubos de mesmo di\u00e2metro externo. Por isso, ela \u00e9 muito utilizada em sistemas que exigem uma liga\u00e7\u00e3o segura, pr\u00e1tica e desmont\u00e1vel. A Unihidral disponibiliza a essa conex\u00e3o em vers\u00f5es de a\u00e7o e inox. Dessa forma, \u00e9 poss\u00edvel escolher a configura\u00e7\u00e3o mais adequada de &hellip; <\/p>\n","protected":false},"author":1,"featured_media":532,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[318,752,3002,3001],"tags":[3005,2161,2987,3015,3010,3009,439,1836,3007,3014,423,3012,1197,1905,3006,3016,3013,851,3008,941,3011,1160,452,3003,1478,1092,981,2501,3004,52],"class_list":["post-530","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-conexoes","category-conexoes-hidraulicas","category-conteudo-tecnico","category-produto","tag-aco","tag-aco-inoxidavel","tag-anilha-simples","tag-aplicacao-industrial","tag-circuitos-fluidicos","tag-circuitos-hidraulicos","tag-componentes-hidraulicos","tag-conexao-hidraulica","tag-conexao-por-anilha","tag-conexao-reta","tag-conexoes-hidraulicas","tag-conexoes-iguais","tag-conexoes-industriais","tag-conexoes-para-industria","tag-conexoes-para-tubos","tag-engenharia-hidraulica","tag-equipamentos-industriais","tag-hidraulica-industrial","tag-inox","tag-instalacao-hidraulica","tag-linha-hidraulica","tag-manutencao-industrial","tag-sistema-hidraulico","tag-sistemas-pneumaticos","tag-tubos-e-conexoes","tag-tubos-hidraulicos","tag-tubulacao-industrial","tag-uniao-dupla-igual","tag-uniao-para-tubos","tag-unihidral","latest_post"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.2 - 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