{"id":16715,"date":"2026-07-29T00:36:26","date_gmt":"2026-07-29T00:36:26","guid":{"rendered":"https:\/\/primebrjuntas.com.br\/site\/?post_type=product&#038;p=16715"},"modified":"2026-08-25T14:15:53","modified_gmt":"2026-08-25T14:15:53","slug":"junta-de-expansao-metalica-para-solda-absorcao-termica-e-vibracao","status":"publish","type":"product","link":"https:\/\/primebrjuntas.com.br\/site\/produto\/junta-de-expansao-metalica-para-solda-absorcao-termica-e-vibracao\/","title":{"rendered":"Junta de Expans\u00e3o Met\u00e1lica para Solda \u2013 Absor\u00e7\u00e3o T\u00e9rmica e Vibra\u00e7\u00e3o"},"content":{"rendered":"<div style=\"font-size: 12pt; font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; color: #000000; direction: ltr; margin: 24px 0px 12px;\"><span style=\"font-weight: 600;\">Junta de Expans\u00e3o Met\u00e1lica para Solda \u2013 Absor\u00e7\u00e3o T\u00e9rmica e Vibra\u00e7\u00e3o<\/span><\/div>\n<div style=\"font-size: 12pt; font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; color: #000000; direction: ltr; margin: 12px 0px 16px;\">As Juntas de Expans\u00e3o Met\u00e1licas para Solda s\u00e3o componentes de alta engenharia projetados para absorver movimentos axiais, laterais e angulares em tubula\u00e7\u00f5es industriais. Elas s\u00e3o essenciais para aliviar as tens\u00f5es mec\u00e2nicas causadas pela dilata\u00e7\u00e3o t\u00e9rmica dos materiais e para isolar vibra\u00e7\u00f5es geradas por equipamentos rotativos, como bombas, compressores e turbinas.<\/div>\n<div style=\"font-size: 12pt; font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; color: #000000; direction: ltr; margin: 12px 0px 16px;\">Ao contr\u00e1rio dos modelos flangeados, as juntas com extremidades para solda de topo (<i>Butt Weld<\/i>) oferecem uma conex\u00e3o permanente e 100% estanque, eliminando completamente o risco de vazamentos em juntas parafusadas.<\/div>\n<div style=\"font-size: 12pt; font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; color: #000000; direction: ltr; margin: 24px 0px 12px;\"><span style=\"font-weight: 600;\">\ud83d\ude80 Principais Benef\u00edcios Operacionais<\/span><\/div>\n<ul data-copy-service-computed-style=\"font-family: &quot;Google Sans&quot;, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 12px 0px 16px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);\" data-processed=\"true\" data-complete=\"true\" data-hveid=\"CAEICRAA\" data-ved=\"2ahUKEwju4bS6ufiVAxUhpZUCHQGZDygQ-7AUegYIAQgJEAA\" data-sfc-root=\"ep\">\n<li style=\"font-size: 12pt; font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; color: #000000; direction: ltr; margin: 0px 0px 12px;\"><span role=\"presentation\">Seguran\u00e7a Absoluta:<\/span> Conex\u00e3o soldada que garante vazamento zero, ideal para fluidos perigosos, gases t\u00f3xicos ou vapor superaquecido.<\/li>\n<li style=\"font-size: 12pt; font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; color: #000000; direction: ltr; margin: 0px 0px 12px;\"><span role=\"presentation\">Redu\u00e7\u00e3o de Ru\u00eddo e Vibra\u00e7\u00e3o:<\/span> O fole met\u00e1lico amortece a pulsa\u00e7\u00e3o mec\u00e2nica, protegendo os equipamentos conectados e aumentando a vida \u00fatil da tubula\u00e7\u00e3o.<\/li>\n<li style=\"font-size: 12pt; font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; color: #000000; direction: ltr; margin: 0px 0px 12px;\"><span role=\"presentation\">Alta Flexibilidade Mec\u00e2nica:<\/span> Projetada para suportar milh\u00f5es de ciclos de expans\u00e3o e contra\u00e7\u00e3o sem perder a integridade estrutural. [<a id=\"OWA756854d3-fa66-8f46-b53d-4c93da589221\" class=\"x_OWAAutoLink\" href=\"https:\/\/www.rqualityinspecoes.com.br\/valor-solda-manutencao\" data-auth=\"NotApplicable\">1<\/a>]<\/li>\n<\/ul>\n<div style=\"font-size: 12pt; font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; color: #000000; direction: ltr; margin: 24px 0px 12px;\"><span style=\"font-weight: 600;\">\u2699\ufe0f Especifica\u00e7\u00f5es T\u00e9cnicas e Design<\/span><\/div>\n<ul data-copy-service-computed-style=\"font-family: &quot;Google Sans&quot;, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 12px 0px 16px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);\" data-processed=\"true\" data-complete=\"true\" data-hveid=\"CAEICxAA\" data-ved=\"2ahUKEwju4bS6ufiVAxUhpZUCHQGZDygQ-7AUegYIAQgLEAA\" data-sfc-root=\"ep\">\n<li style=\"font-size: 12pt; font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; color: #000000; direction: ltr; margin: 0px 0px 12px;\"><span role=\"presentation\">Normas de Projeto:<\/span> EJMA (<i>Expansion Joint Manufacturers Association<\/i>) e ASME Se\u00e7\u00e3o VIII.<\/li>\n<li style=\"font-size: 12pt; font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; color: #000000; margin: 0px 0px 12px;\">\n<div role=\"presentation\"><span style=\"font-weight: bold;\">Tipos de Movimento:<\/span> Axial (compress\u00e3o e extens\u00e3o), Lateral (cisalhamento) e Angular (rota\u00e7\u00e3o).<\/div>\n<\/li>\n<li style=\"font-size: 12pt; font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; color: #000000; direction: ltr; margin: 0px 0px 12px;\"><span role=\"presentation\">Extremidades:<\/span> Pontas prontas para solda de topo (<i>Butt Weld Ends<\/i>) conforme ASME B16.25.<\/li>\n<li style=\"font-size: 12pt; font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; color: #000000; direction: ltr; margin: 0px 0px 12px;\"><span role=\"presentation\">Componentes Opcionais (Sob Consulta):<\/span>\n<ul data-copy-service-computed-style=\"font-family: &quot;Google Sans&quot;, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 12px 0px 16px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);\" data-complete=\"true\" data-hveid=\"CAEICxAL\" data-ved=\"2ahUKEwju4bS6ufiVAxUhpZUCHQGZDygQ-7AUegYIAQgLEAs\" data-sfc-root=\"ep\">\n<li style=\"font-size: 12pt; font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; color: #000000; direction: ltr; margin: 0px 0px 12px;\"><i>Tubo Guia Interno (Liner):<\/i> Protege o fole contra o desgaste por eros\u00e3o em fluidos de alta velocidade ou abrasivos.<\/li>\n<li style=\"font-size: 12pt; font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; color: #000000; direction: ltr; margin: 0px 0px 12px;\"><i>Tensores de Limite (Tie Rods):<\/i> Evitam a super-extens\u00e3o do fole sob press\u00f5es elevadas.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<div style=\"font-size: 12pt; font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; color: #000000; direction: ltr; margin: 24px 0px 12px;\"><span style=\"font-weight: 600;\">\ud83d\udd2c Guia de Materiais e Limites T\u00e9rmicos<\/span><\/div>\n<div style=\"font-size: 12pt; font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; color: #000000; direction: ltr; margin: 12px 0px 16px;\">A sele\u00e7\u00e3o dos materiais da junta de expans\u00e3o deve considerar o fluido conduzido e a temperatura de trabalho para evitar a fadiga prematura do metal.<\/div>\n<div style=\"font-size: 12pt; font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; color: #000000; direction: ltr; margin: 24px 0px 12px;\"><span style=\"font-weight: bold;\">\ud83c\udf2a\ufe0f Material do Fole (Cora\u00e7\u00e3o da Junta)<\/span><\/div>\n<ul data-copy-service-computed-style=\"font-family: &quot;Google Sans&quot;, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 12px 0px 16px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);\" data-processed=\"true\" data-complete=\"true\" data-hveid=\"CAEIDxAA\" data-ved=\"2ahUKEwju4bS6ufiVAxUhpZUCHQGZDygQ-7AUegYIAQgPEAA\" data-sfc-root=\"ep\">\n<li style=\"font-size: 12pt; font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; color: #000000; direction: ltr; margin: 0px 0px 12px;\"><span role=\"presentation\">A\u00e7o Inox 304 \/ 304L:<\/span> Excelente resist\u00eancia mec\u00e2nica e indicado para aplica\u00e7\u00f5es padr\u00e3o de vapor, \u00e1gua industrial e gases em temperaturas de at\u00e9 <span style=\"font-weight: bold;\" role=\"presentation\">540\u00b0C<\/span>.<\/li>\n<li style=\"font-size: 12pt; font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; color: #000000; margin: 0px 0px 12px;\">\n<div role=\"presentation\">A\u00e7o Inox 316 \/ 316L: Aditivado com molibd\u00eanio, oferece prote\u00e7\u00e3o superior contra corros\u00e3o por pites em ambientes qu\u00edmicos e mar\u00edtimos. Suporta temperaturas de at\u00e9 760\u00b0C.<\/div>\n<\/li>\n<li style=\"font-size: 12pt; font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; color: #000000; margin: 0px 0px 12px;\">\n<div role=\"presentation\"><span style=\"font-weight: bold;\">Ligas Especiais (Inconel \/ Monel \/ Hastelloy):<\/span> Sob encomenda para condi\u00e7\u00f5es extremas de acidez e temperaturas ultra-elevadas.<\/div>\n<\/li>\n<\/ul>\n<div style=\"font-size: 12pt; font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; color: #000000; direction: ltr; margin: 24px 0px 12px;\"><span style=\"font-weight: bold;\">\ud83d\udd27 Material das Pontas para Solda<\/span><\/div>\n<ul data-copy-service-computed-style=\"font-family: &quot;Google Sans&quot;, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 12px 0px 16px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);\" data-processed=\"true\" data-complete=\"true\" data-hveid=\"CAEIERAA\" data-ved=\"2ahUKEwju4bS6ufiVAxUhpZUCHQGZDygQ-7AUegYIAQgREAA\" data-sfc-root=\"ep\">\n<li style=\"font-size: 12pt; font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; color: #000000; direction: ltr; margin: 0px 0px 12px;\"><span role=\"presentation\">A\u00e7o Carbono ASTM A106 Gr. B \/ ASTM A53:<\/span> Utilizado quando a tubula\u00e7\u00e3o principal tamb\u00e9m \u00e9 de a\u00e7o carbono, facilitando a soldabilidade em campo.<\/li>\n<li style=\"font-size: 12pt; font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; color: #000000; margin: 0px 0px 12px;\">\n<div role=\"presentation\">A\u00e7o Inox 304 ou 316: Best Choice para sistemas que exigem pureza total ou resist\u00eancia \u00e0 corros\u00e3o externa e interna.<\/div>\n<\/li>\n<\/ul>\n<div style=\"font-size: 12pt; font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; color: #000000; direction: ltr; margin: 24px 0px 12px;\"><span style=\"font-weight: 600;\">\ud83d\udee0\ufe0f Cuidados Indispens\u00e1veis na Instala\u00e7\u00e3o<\/span><\/div>\n<div style=\"font-size: 12pt; font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; color: #000000; direction: ltr; margin: 12px 0px 16px;\">As juntas de expans\u00e3o s\u00e3o equipamentos sens\u00edveis que requerem cuidados rigorosos durante a montagem por solda:<\/div>\n<ol data-copy-service-computed-style=\"font-family: &quot;Google Sans&quot;, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 12px 0px 16px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);\" data-processed=\"true\" data-complete=\"true\" data-sfc-root=\"ep\">\n<li style=\"font-size: 12pt; font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; color: #000000; margin: 0px 0px 12px;\">\n<div role=\"presentation\"><span style=\"font-weight: bold;\">Alinhamento Rigoroso:<\/span> As tubula\u00e7\u00f5es devem estar perfeitamente alinhadas. Nunca use a junta de expans\u00e3o para corrigir erros de desalinhamento de montagem da linha.<\/div>\n<\/li>\n<li style=\"font-size: 12pt; font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; color: #000000; direction: ltr; margin: 0px 0px 12px;\"><span role=\"presentation\">Prote\u00e7\u00e3o Contra Respingos:<\/span> Durante o processo de soldagem (<i>TIG, MIG ou Eletrodo Revestido<\/i>), proteja o fole corrugado contra respingos de solda e fagulhas, pois eles criam pontos de concentra\u00e7\u00e3o de tens\u00e3o que furam o metal.<\/li>\n<li style=\"font-size: 12pt; font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; color: #000000; direction: ltr; margin: 0px 0px 12px;\"><span role=\"presentation\">Ancoragem Correta:<\/span> A tubula\u00e7\u00e3o deve possuir <span role=\"presentation\">guias e \u00e2ncoras fixas<\/span> robustas para direcionar o movimento t\u00e9rmico estritamente na dire\u00e7\u00e3o da junta. Sem ancoragem correta, a press\u00e3o da linha pode estourar o fole.<\/li>\n<li style=\"font-size: 12pt; font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; color: #000000; margin: 0px 0px 12px;\">\n<div role=\"presentation\"><span style=\"font-weight: bold;\">Remo\u00e7\u00e3o das Travas de Transporte:<\/span> As juntas s\u00e3o fornecidas com barras de travamento pintadas (geralmente em amarelo). Elas mant\u00eam a junta na posi\u00e7\u00e3o neutra durante o transporte e soldagem, mas <span style=\"font-weight: bold;\">devem ser removidas obrigatoriamente antes do in\u00edcio da opera\u00e7\u00e3o<\/span>.<\/div>\n<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>Componente fabricado integralmente em a\u00e7o inoxid\u00e1vel ou ligas especiais, formado por um fole met\u00e1lico flex\u00edvel e extremidades lisas preparadas para soldagem direta na tubula\u00e7\u00e3o.<\/p>\n","protected":false},"featured_media":16706,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[74],"product_tag":[69,135,136,68,137],"class_list":["post-16715","product","type-product","status-publish","has-post-thumbnail","product_cat-juntas","product_tag-aco","product_tag-junta-de-expancao","product_tag-junta-de-expancao-metalica","product_tag-juntas","product_tag-solda","first","onbackorder","virtual","product-type-simple"],"_links":{"self":[{"href":"https:\/\/primebrjuntas.com.br\/site\/wp-json\/wp\/v2\/product\/16715","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/primebrjuntas.com.br\/site\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/primebrjuntas.com.br\/site\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/primebrjuntas.com.br\/site\/wp-json\/wp\/v2\/comments?post=16715"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/primebrjuntas.com.br\/site\/wp-json\/wp\/v2\/media\/16706"}],"wp:attachment":[{"href":"https:\/\/primebrjuntas.com.br\/site\/wp-json\/wp\/v2\/media?parent=16715"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/primebrjuntas.com.br\/site\/wp-json\/wp\/v2\/product_brand?post=16715"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/primebrjuntas.com.br\/site\/wp-json\/wp\/v2\/product_cat?post=16715"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/primebrjuntas.com.br\/site\/wp-json\/wp\/v2\/product_tag?post=16715"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}