{"id":49183,"date":"2026-02-26T03:41:52","date_gmt":"2026-02-26T03:41:52","guid":{"rendered":"https:\/\/www.kdmsteel.com\/?p=49183"},"modified":"2026-03-07T10:31:13","modified_gmt":"2026-03-07T10:31:13","slug":"atmospheric-tank-vs-pressure-tank","status":"publish","type":"post","link":"https:\/\/www.kdmsteel.com\/pt\/tanque-atmosferico-versus-tanque-de-pressao\/","title":{"rendered":"Tanque atmosf\u00e9rico vs. tanque de press\u00e3o: compara\u00e7\u00e3o detalhada para engenheiros"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">Os l\u00edquidos armazenados em tanques atmosf\u00e9ricos e tanques pressurizados operam em condi\u00e7\u00f5es muito diferentes. Compradores e engenheiros industriais devem selecionar o tanque com base nos requisitos do processo e nas normas de seguran\u00e7a. A sele\u00e7\u00e3o incorreta aumenta os custos do ciclo de vida e o tempo de inatividade. Este artigo compara os dois tipos de tanques em rela\u00e7\u00e3o aos requisitos pr\u00e1ticos de engenharia.<\/span><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 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\">\u00cdndice<\/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=\"Alternar \u00edndice\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Alternar<\/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.kdmsteel.com\/pt\/tanque-atmosferico-versus-tanque-de-pressao\/#What_is_an_Atmospheric_Tank\" >O que \u00e9 um tanque atmosf\u00e9rico?<\/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.kdmsteel.com\/pt\/tanque-atmosferico-versus-tanque-de-pressao\/#What_is_a_Pressure_Tank\" >O que \u00e9 um tanque de press\u00e3o?<\/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.kdmsteel.com\/pt\/tanque-atmosferico-versus-tanque-de-pressao\/#Major_Differences_between_Atmospheric_Tank_and_Pressure_Tank\" >Principais diferen\u00e7as entre tanque atmosf\u00e9rico e tanque de press\u00e3o<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.kdmsteel.com\/pt\/tanque-atmosferico-versus-tanque-de-pressao\/#1_Operating_Pressure\" >1. Press\u00e3o de opera\u00e7\u00e3o<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.kdmsteel.com\/pt\/tanque-atmosferico-versus-tanque-de-pressao\/#2_Design_and_Construction_Standards\" >2. Normas de Projeto e Constru\u00e7\u00e3o<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.kdmsteel.com\/pt\/tanque-atmosferico-versus-tanque-de-pressao\/#3_Venting_vs_Sealing\" >3. Ventila\u00e7\u00e3o vs. Veda\u00e7\u00e3o<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.kdmsteel.com\/pt\/tanque-atmosferico-versus-tanque-de-pressao\/#4_Material_and_Structural_Requirements\" >4. Requisitos de Materiais e Estruturais<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.kdmsteel.com\/pt\/tanque-atmosferico-versus-tanque-de-pressao\/#5_Safety_and_Risk_Profile\" >5. Perfil de Seguran\u00e7a e Risco<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.kdmsteel.com\/pt\/tanque-atmosferico-versus-tanque-de-pressao\/#6_Installation_and_Support_Systems\" >6. Sistemas de Instala\u00e7\u00e3o e Suporte<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.kdmsteel.com\/pt\/tanque-atmosferico-versus-tanque-de-pressao\/#7_Shape_and_Structural_Form\" >7. Forma e Estrutura<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.kdmsteel.com\/pt\/tanque-atmosferico-versus-tanque-de-pressao\/#8_Regulatory_and_Inspection_Requirements\" >8. Requisitos regulamentares e de inspe\u00e7\u00e3o<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.kdmsteel.com\/pt\/tanque-atmosferico-versus-tanque-de-pressao\/#9_Cost_Considerations\" >9. Considera\u00e7\u00f5es sobre custos<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.kdmsteel.com\/pt\/tanque-atmosferico-versus-tanque-de-pressao\/#10_Typical_Uses_and_Applications\" >10. Usos e aplica\u00e7\u00f5es t\u00edpicos<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.kdmsteel.com\/pt\/tanque-atmosferico-versus-tanque-de-pressao\/#Atmospheric_Tank_vs_Pressure_Tank_%E2%80%93_Which_One_Is_Best\" >Tanque atmosf\u00e9rico versus tanque de press\u00e3o \u2013 qual \u00e9 o melhor?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.kdmsteel.com\/pt\/tanque-atmosferico-versus-tanque-de-pressao\/#FAQs\" >Perguntas frequentes<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.kdmsteel.com\/pt\/tanque-atmosferico-versus-tanque-de-pressao\/#Can_an_atmospheric_tank_be_considered_a_pressure_vessel\" >Um tanque atmosf\u00e9rico pode ser considerado um vaso de press\u00e3o?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.kdmsteel.com\/pt\/tanque-atmosferico-versus-tanque-de-pressao\/#What_shapes_are_common_for_pressure_vessels\" >Quais s\u00e3o os formatos comuns para vasos de press\u00e3o?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.kdmsteel.com\/pt\/tanque-atmosferico-versus-tanque-de-pressao\/#Are_there_atmospheric_tanks_controlled\" >Existem tanques atmosf\u00e9ricos controlados?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.kdmsteel.com\/pt\/tanque-atmosferico-versus-tanque-de-pressao\/#Can_an_atmospheric_tank_require_special_permits\" >Um tanque atmosf\u00e9rico pode exigir licen\u00e7as especiais?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/www.kdmsteel.com\/pt\/tanque-atmosferico-versus-tanque-de-pressao\/#Why_do_pressure_tanks_need_pressure_relief_devices\" >Por que os tanques de press\u00e3o precisam de dispositivos de al\u00edvio de press\u00e3o?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/www.kdmsteel.com\/pt\/tanque-atmosferico-versus-tanque-de-pressao\/#Can_temperature_affect_pressure_inside_a_storage_tank\" >A temperatura pode afetar a press\u00e3o dentro de um tanque de armazenamento?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/www.kdmsteel.com\/pt\/tanque-atmosferico-versus-tanque-de-pressao\/#How_often_are_atmospheric_tanks_inspected\" >Com que frequ\u00eancia os tanques atmosf\u00e9ricos s\u00e3o inspecionados?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/www.kdmsteel.com\/pt\/tanque-atmosferico-versus-tanque-de-pressao\/#Can_all_the_tanks_that_are_not_within_the_pressure_vessel_category_be_used_safely_in_high-pressure_environments\" >Todos os tanques que n\u00e3o se enquadram na categoria de vasos de press\u00e3o podem ser usados com seguran\u00e7a em ambientes de alta press\u00e3o?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/www.kdmsteel.com\/pt\/tanque-atmosferico-versus-tanque-de-pressao\/#Get_Your_Customized_Tanks_by_KDM_Steel\" >Encomende seus tanques personalizados com a KDM Steel.<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"What_is_an_Atmospheric_Tank\"><\/span><b>O que \u00e9 um tanque atmosf\u00e9rico?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-49185\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/ARTICLE-63.png\" alt=\"\" width=\"1280\" height=\"720\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/ARTICLE-63.png 1280w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/ARTICLE-63-150x84.png 150w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/ARTICLE-63-768x432.png 768w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/ARTICLE-63-18x10.png 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">Os l\u00edquidos s\u00e3o mantidos \u00e0 press\u00e3o atmosf\u00e9rica em um<\/span><a href=\"https:\/\/www.sciencedirect.com\/topics\/engineering\/atmospheric-tanks\"> <span style=\"font-weight: 400;\">tanque atmosf\u00e9rico<\/span><\/a><span style=\"font-weight: 400;\">. <\/span><span style=\"font-weight: 400;\">Opera em press\u00e3o atmosf\u00e9rica ou pr\u00f3xima a ela, tipicamente abaixo de 1 psi, e at\u00e9 2,5 psi quando projetado de acordo com o Ap\u00eandice F da API 650. <\/span><span style=\"font-weight: 400;\">Os sistemas de ventila\u00e7\u00e3o s\u00e3o aplicados pelos projetistas para evitar sobrepress\u00e3o ou varia\u00e7\u00f5es de temperatura. Os engenheiros utilizam tanques atmosf\u00e9ricos para armazenar \u00e1gua, combust\u00edveis e <\/span><span style=\"font-weight: 400;\">Produtos qu\u00edmicos que n\u00e3o requerem armazenamento pressurizado.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_is_a_Pressure_Tank\"><\/span><b>O que \u00e9 um tanque de press\u00e3o?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-49186\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/ARTICLE-64.png\" alt=\"\" width=\"1280\" height=\"720\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/ARTICLE-64.png 1280w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/ARTICLE-64-150x84.png 150w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/ARTICLE-64-768x432.png 768w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/ARTICLE-64-18x10.png 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">Os fluidos s\u00e3o mantidos em um tanque de press\u00e3o a press\u00f5es muito mais altas do que a press\u00e3o atmosf\u00e9rica. <\/span><span style=\"font-weight: 400;\">Em condi\u00e7\u00f5es normais de servi\u00e7o, opera a press\u00f5es superiores a <\/span><span style=\"font-weight: 400;\">15<\/span><span style=\"font-weight: 400;\"> psi<\/span><span style=\"font-weight: 400;\">. Os engenheiros projetam tanques de press\u00e3o com revestimentos refor\u00e7ados para suportar com seguran\u00e7a as tens\u00f5es internas. Esses tanques transportam gases, vapor e l\u00edquidos vol\u00e1teis de acordo com as normas ASME para vasos de press\u00e3o.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Major_Differences_between_Atmospheric_Tank_and_Pressure_Tank\"><\/span><b>Principais diferen\u00e7as entre tanque atmosf\u00e9rico e tanque de press\u00e3o<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-49187\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/Untitled-design-2.png\" alt=\"\" width=\"1920\" height=\"1080\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/Untitled-design-2.png 1920w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/Untitled-design-2-150x84.png 150w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/Untitled-design-2-768x432.png 768w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/Untitled-design-2-1536x864.png 1536w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/Untitled-design-2-18x10.png 18w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"1_Operating_Pressure\"><\/span><b>1. <\/b><b>Press\u00e3o de opera\u00e7\u00e3o<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><span style=\"font-weight: 400;\"> \u00a0 <\/span> <b>Tanque atmosf\u00e9rico:<\/b><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Os tanques atmosf\u00e9ricos operam a uma press\u00e3o pr\u00f3xima da press\u00e3o ambiente, e a press\u00e3o de projeto \u00e9 mantida abaixo de 1 psi. <\/span><span style=\"font-weight: 400;\">A estrutura \u00e9 refor\u00e7ada apenas para resistir a cargas hidrost\u00e1ticas.<\/span> <span style=\"font-weight: 400;\">Os c\u00f3digos de projeto n\u00e3o precisam submeter tanques atmosf\u00e9ricos a alta press\u00e3o interna sustentada, uma vez que esses tanques s\u00e3o projetados para conter l\u00edquidos de baixa volatilidade.<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\"> \u00a0 <\/span> <b>Tanque de press\u00e3o:<\/b><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Tanques de press\u00e3o operam a press\u00f5es acima da atmosf\u00e9rica e possuem uma Press\u00e3o M\u00e1xima de Trabalho Admiss\u00edvel (PMTA) definida. As tens\u00f5es circunferenciais e longitudinais s\u00e3o causadas pela press\u00e3o interna e devem ser calculadas com base na espessura da parede do tanque e na efici\u00eancia das juntas. As normas estabelecem que o tanque deve ser projetado para uma PMTA fixa que seja mantida em condi\u00e7\u00f5es normais de opera\u00e7\u00e3o.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"2_Design_and_Construction_Standards\"><\/span><b>2. <\/b><b>Normas de projeto e constru\u00e7\u00e3o<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><span style=\"font-weight: 400;\"> \u00a0 <\/span> <b>Tanque atmosf\u00e9rico:<\/b><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Os tanques atmosf\u00e9ricos s\u00e3o projetados de acordo com<\/span><a href=\"https:\/\/kdmfab.com\/api-650-tank\/\"><span style=\"font-weight: 400;\"> API 650<\/span><\/a><span style=\"font-weight: 400;\">. <\/span><span style=\"font-weight: 400;\">O c\u00f3digo pressup\u00f5e press\u00e3o interna desprez\u00edvel durante a opera\u00e7\u00e3o normal. <\/span><span style=\"font-weight: 400;\">Os c\u00e1lculos da espessura da camada externa s\u00e3o baseados na densidade do l\u00edquido e na altura de enchimento. As estruturas do telhado suportam apenas a for\u00e7a de eleva\u00e7\u00e3o causada pela a\u00e7\u00e3o do vento e pela dilata\u00e7\u00e3o t\u00e9rmica. <\/span><span style=\"font-weight: 400;\">S\u00e3o necess\u00e1rios c\u00e1lculos de tens\u00e3o para cargas de vento e s\u00edsmicas, mas as f\u00f3rmulas de tens\u00e3o de press\u00e3o interna n\u00e3o s\u00e3o aplic\u00e1veis.<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\"> \u00a0 <\/span> <b>Tanque de press\u00e3o:<\/b><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Os tanques de press\u00e3o s\u00e3o constru\u00eddos de acordo com o C\u00f3digo de Constru\u00e7\u00e3o de Caldeiras e Vasos de Press\u00e3o da ASME. A principal carga de projeto considerada no c\u00f3digo \u00e9 a press\u00e3o interna. Os valores de tens\u00e3o admiss\u00edvel e os fatores de efici\u00eancia das juntas s\u00e3o utilizados no c\u00e1lculo da espessura do casco. <\/span><span style=\"font-weight: 400;\">A fabrica\u00e7\u00e3o exige procedimentos de soldagem qualificados e testes hidrost\u00e1ticos obrigat\u00f3rios.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"3_Venting_vs_Sealing\"><\/span><b>3. <\/b><b>Ventila\u00e7\u00e3o versus Veda\u00e7\u00e3o<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><span style=\"font-weight: 400;\"> \u00a0 <\/span> <b>Tanque atmosf\u00e9rico:<\/b><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Os tanques atmosf\u00e9ricos s\u00e3o equipados com v\u00e1lvulas de ventila\u00e7\u00e3o normais e de emerg\u00eancia para evitar que a press\u00e3o interna exceda os limites de projeto. A ventila\u00e7\u00e3o de emerg\u00eancia \u00e9 considerada como fonte de calor para combate a inc\u00eandio, conforme indicado pela norma API 2000. A obstru\u00e7\u00e3o dessas v\u00e1lvulas pode causar o levantamento do teto, mesmo com baixa press\u00e3o diferencial.<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\"> \u00a0 <\/span> <b>Tanque de press\u00e3o:<\/b><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Os tanques de press\u00e3o possuem sistemas fechados e v\u00e1lvulas de al\u00edvio que n\u00e3o operam abaixo da Press\u00e3o M\u00e1xima de Trabalho Admiss\u00edvel (PMTA). Os dispositivos de al\u00edvio abrem somente em casos de sobrepress\u00e3o que ultrapassem os limites de projeto. As normas da ASME exigem o dimensionamento certificado das v\u00e1lvulas para evitar o aumento da press\u00e3o em caso de falhas e inc\u00eandios.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"4_Material_and_Structural_Requirements\"><\/span><b>4. <\/b><b>Requisitos de materiais e estrutura<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><span style=\"font-weight: 400;\"> \u00a0 <\/span> <b>Tanque atmosf\u00e9rico:<\/b><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Chapas de a\u00e7o carbono com limite de escoamento adequado (por exemplo, \u2265250 MPa) s\u00e3o comumente utilizadas.<\/span><span style=\"font-weight: 400;\"> O projeto estrutural \u00e9 resistente \u00e0 for\u00e7a hidrost\u00e1tica do vento e \u00e0s cargas s\u00edsmicas. A espessura das placas \u00e9 aumentada elevando-se a altura do l\u00edquido, e n\u00e3o por meio de c\u00e1lculos de tens\u00e3o de press\u00e3o.<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\"> \u00a0 <\/span> <b>Tanque de press\u00e3o:<\/b><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Os tanques de press\u00e3o s\u00e3o fabricados com a\u00e7os carbono ou a\u00e7os-liga com classifica\u00e7\u00e3o de press\u00e3o e caracter\u00edsticas de tra\u00e7\u00e3o e impacto regulamentadas. A escolha dos materiais baseia-se nos n\u00edveis de tens\u00e3o admiss\u00edveis, que s\u00e3o determinados pela temperatura de projeto. <\/span><span style=\"font-weight: 400;\">A espessura da casca \u00e9 determinada pela press\u00e3o interna, pela tens\u00e3o admiss\u00edvel e pela efici\u00eancia da junta. A press\u00e3o hidrost\u00e1tica \u00e9 uma considera\u00e7\u00e3o secund\u00e1ria.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"5_Safety_and_Risk_Profile\"><\/span><b>5. <\/b><b>Perfil de seguran\u00e7a e risco<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><span style=\"font-weight: 400;\"> \u00a0 <\/span> <b>Tanque atmosf\u00e9rico:<\/b><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Tanques na atmosfera s\u00e3o menos vulner\u00e1veis ao aspecto da press\u00e3o interna, mas mais vulner\u00e1veis \u00e0 libera\u00e7\u00e3o de vapores.<\/span> <span style=\"font-weight: 400;\">Esses s\u00e3o inc\u00eandios que causam levantamento do telhado, deforma\u00e7\u00e3o da estrutura e danos na veda\u00e7\u00e3o da borda.<\/span> <span style=\"font-weight: 400;\">A baixa press\u00e3o de opera\u00e7\u00e3o resulta em um projeto que minimiza o consumo de energia.<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\"> \u00a0 <\/span> <b>Tanque de press\u00e3o:<\/b><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Devido \u00e0s altas press\u00f5es de opera\u00e7\u00e3o, os tanques pressurizados armazenam uma quantidade significativa de energia interna. Falhas podem envolver decomposi\u00e7\u00e3o r\u00e1pida, fragmenta\u00e7\u00e3o e explos\u00e3o. As normas exigem a previs\u00e3o de fatores de seguran\u00e7a, sistemas de al\u00edvio de press\u00e3o, bem como inspe\u00e7\u00f5es regulares para gerenciar rupturas catastr\u00f3ficas e riscos de fadiga.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"6_Installation_and_Support_Systems\"><\/span><b>6. <\/b><b>Sistemas de Instala\u00e7\u00e3o e Suporte<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><span style=\"font-weight: 400;\"> \u00a0 <\/span> <b>Tanque atmosf\u00e9rico:<\/b><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Os tanques atmosf\u00e9ricos s\u00e3o suportados por funda\u00e7\u00f5es de anel ou laje projetadas para cargas hidrost\u00e1ticas.<\/span><span style=\"font-weight: 400;\"> O projeto da funda\u00e7\u00e3o \u00e9 determinado pelos grandes di\u00e2metros dos tanques atrav\u00e9s da utiliza\u00e7\u00e3o dos limites de recalque diferencial. As vigas de sustenta\u00e7\u00e3o resistem \u00e0s for\u00e7as laterais do vento, uma vez que a press\u00e3o interna n\u00e3o oferece rigidez estrutural.<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\"> \u00a0 <\/span> <b>Tanque de press\u00e3o:<\/b><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Os tanques de press\u00e3o s\u00e3o montados em saias, selas ou olhais que suportam cargas de press\u00e3o axial e cargas t\u00e9rmicas. Os sistemas de suporte resistem \u00e0s acelera\u00e7\u00f5es s\u00edsmicas e \u00e0s for\u00e7as de press\u00e3o axial. Parafusos de ancoragem impedem a eleva\u00e7\u00e3o causada pela press\u00e3o interna em condi\u00e7\u00f5es normais e de opera\u00e7\u00e3o adversas.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"7_Shape_and_Structural_Form\"><\/span><b>7. <\/b><b>Forma e Estrutura<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><span style=\"font-weight: 400;\"> \u00a0 <\/span> <b>Tanque atmosf\u00e9rico:<\/b><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Os tanques atmosf\u00e9ricos consistem em um casco cil\u00edndrico de paredes finas e grande di\u00e2metro, com cobertura plana em forma de cone ou c\u00fapula. Projetos com altura limitada s\u00e3o permitidos pela baixa press\u00e3o interna. A estabilidade dos cascos n\u00e3o se baseia na distribui\u00e7\u00e3o de tens\u00e3o da press\u00e3o, mas sim nas rela\u00e7\u00f5es entre di\u00e2metro e espessura e na press\u00e3o hidrost\u00e1tica.<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\"> \u00a0 <\/span> <b>Tanque de press\u00e3o:<\/b><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Tanques de press\u00e3o utilizam geometria cil\u00edndrica ou esf\u00e9rica para conter a press\u00e3o interna de forma eficiente. Formas esf\u00e9ricas proporcionam distribui\u00e7\u00e3o uniforme de tens\u00e3o; cascas cil\u00edndricas requerem tampas abauladas para minimizar a concentra\u00e7\u00e3o de tens\u00e3o nas extremidades.<\/span><span style=\"font-weight: 400;\"> As cabe\u00e7as abauladas eliminam a concentra\u00e7\u00e3o de tens\u00f5es nas jun\u00e7\u00f5es do casco. Com rela\u00e7\u00f5es reduzidas entre di\u00e2metro e espessura, a alta press\u00e3o interna pode ser contida com seguran\u00e7a, apresentando um comportamento de deforma\u00e7\u00e3o previs\u00edvel.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"8_Regulatory_and_Inspection_Requirements\"><\/span><b>8. <\/b><b>Requisitos regulamentares e de inspe\u00e7\u00e3o<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><span style=\"font-weight: 400;\"> \u00a0 <\/span> <b>Tanque atmosf\u00e9rico:<\/b><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Os tanques atmosf\u00e9ricos s\u00e3o inspecionados de acordo com a norma API 653. As inspe\u00e7\u00f5es podem incluir corros\u00e3o da carca\u00e7a, afinamento do fundo e recalque. As inspe\u00e7\u00f5es internas s\u00e3o realizadas em intervalos maiores, visto que a press\u00e3o de opera\u00e7\u00e3o \u00e9 inferior a 1 psi e os n\u00edveis de energia armazenada s\u00e3o baixos.<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\"> \u00a0 <\/span> <b>Tanque de press\u00e3o:<\/b><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">A inspe\u00e7\u00e3o dos tanques de press\u00e3o \u00e9 <\/span><span style=\"font-weight: 400;\">conforme<\/span><a href=\"https:\/\/www.asme.org\/codes-standards\/bpvc-standards\"> <span style=\"font-weight: 400;\">C\u00f3digo ASME para Caldeiras e Vasos de Press\u00e3o<\/span><\/a> <span style=\"font-weight: 400;\">requisitos e regulamenta\u00e7\u00f5es jurisdicionais.<\/span><span style=\"font-weight: 400;\"> A inspe\u00e7\u00e3o abrange a avalia\u00e7\u00e3o dos limites de press\u00e3o e o teste das v\u00e1lvulas de al\u00edvio. <\/span><span style=\"font-weight: 400;\">Press\u00f5es operacionais mais elevadas exigem intervalos de inspe\u00e7\u00e3o mais curtos e avalia\u00e7\u00f5es de integridade mais rigorosas.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"9_Cost_Considerations\"><\/span><b>9. <\/b><b>Considera\u00e7\u00f5es de custo<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><span style=\"font-weight: 400;\"> \u00a0 <\/span> <b>Tanque atmosf\u00e9rico:<\/b><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Os tanques atmosf\u00e9ricos s\u00e3o mais baratos devido \u00e0 baixa press\u00e3o de projeto e \u00e0 menor espessura das chapas do casco. A espessura comum das chapas varia entre 6 e 25 mm. A soldagem \u00e9 feita sem radiografia completa. Inspe\u00e7\u00f5es menos frequentes minimizam os custos de manuten\u00e7\u00e3o e conformidade a longo prazo.<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\"> \u00a0 <\/span> <b>Tanque de press\u00e3o:<\/b><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">O uso de paredes mais espessas, que podem ultrapassar 30 mm sob alta press\u00e3o, encarece os tanques de press\u00e3o. Materiais de alta qualidade e as exig\u00eancias de efici\u00eancia combinada s\u00e3o outros fatores que tornam a fabrica\u00e7\u00e3o mais complexa. O custo da radiografia, dos testes hidrost\u00e1ticos e dos sistemas de al\u00edvio \u00e9 obrigat\u00f3rio e aumenta o custo inicial e os custos de inspe\u00e7\u00e3o a longo prazo.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"10_Typical_Uses_and_Applications\"><\/span><b>10. Usos e aplica\u00e7\u00f5es t\u00edpicos<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><span style=\"font-weight: 400;\"> \u00a0 <\/span> <b>Tanque atmosf\u00e9rico:<\/b><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Tanques atmosf\u00e9ricos s\u00e3o ideais para armazenar grandes quantidades de l\u00edquidos pouco vol\u00e1teis, como produtos qu\u00edmicos, petr\u00f3leo bruto, \u00e1gua, etc., com press\u00e3o de opera\u00e7\u00e3o inferior a 1 psi. S\u00e3o aplic\u00e1veis em armazenamento a granel com vaz\u00e3o constante e sem necessidade de conten\u00e7\u00e3o de press\u00e3o.<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\"> \u00a0 <\/span> <b>Tanque de press\u00e3o:<\/b><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Os engenheiros encontrar\u00e3o tanques de press\u00e3o em \u00e1reas e processos que requerem armazenamento pressurizado de gases, vapor e l\u00edquidos vol\u00e1teis, onde o controle m\u00e1ximo \u00e9 essencial. Frequentemente, operam sob press\u00e3o superior a 15 psi. Al\u00e9m disso, podem ser utilizados como reatores e vasos de compensa\u00e7\u00e3o., <\/span><span style=\"font-weight: 400;\">Onde \u00e9 necess\u00e1rio confinar a press\u00e3o.<\/span><b>\u00a0<\/b><\/p>\n<table>\n<tbody>\n<tr>\n<td><b>Par\u00e2metro<\/b><\/td>\n<td><b>Tanque atmosf\u00e9rico<\/b><\/td>\n<td><b>Tanque de press\u00e3o<\/b><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Press\u00e3o de opera\u00e7\u00e3o<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Pr\u00f3ximo \u00e0 press\u00e3o atmosf\u00e9rica (\u22641\u20132,5 psig)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Acima de 15 psig<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Carga de projeto determinante<\/span><\/td>\n<td><span style=\"font-weight: 400;\">cabe\u00e7a de l\u00edquido hidrost\u00e1tico<\/span><\/td>\n<td><span style=\"font-weight: 400;\">tens\u00e3o de press\u00e3o interna<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">C\u00f3digo de projeto<\/span><\/td>\n<td><span style=\"font-weight: 400;\">API 650<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Se\u00e7\u00e3o VIII da ASME<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Ventila\u00e7\u00e3o<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Sistema aberto\/ventilado<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Sistema fechado com v\u00e1lvulas de al\u00edvio<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Base da espessura da casca<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Altura do l\u00edquido e gravidade espec\u00edfica<\/span><\/td>\n<td><span style=\"font-weight: 400;\">MAWP e tens\u00e3o admiss\u00edvel<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Forma estrutural<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Di\u00e2metro grande, paredes finas<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Cil\u00edndrico\/esf\u00e9rico de parede espessa<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Energia armazenada<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Baixo<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Alto<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Padr\u00e3o de Inspe\u00e7\u00e3o<\/span><\/td>\n<td><span style=\"font-weight: 400;\">API 653<\/span><\/td>\n<td><span style=\"font-weight: 400;\">API 510 \/ NBIC<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Complexidade de fabrica\u00e7\u00e3o<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Moderado<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Alto (Ensaios n\u00e3o destrutivos e teste hidrost\u00e1tico necess\u00e1rios)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Servi\u00e7o t\u00edpico<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Armazenamento de l\u00edquidos a granel<\/span><\/td>\n<td><span style=\"font-weight: 400;\">conten\u00e7\u00e3o de g\u00e1s\/fluido vol\u00e1til<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><span class=\"ez-toc-section\" id=\"Atmospheric_Tank_vs_Pressure_Tank_%E2%80%93_Which_One_Is_Best\"><\/span><b>Tanque atmosf\u00e9rico versus tanque de press\u00e3o \u2013 qual \u00e9 o melhor?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-49188\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/ARTICLE-65.png\" alt=\"\" width=\"1280\" height=\"720\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/ARTICLE-65.png 1280w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/ARTICLE-65-150x84.png 150w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/ARTICLE-65-768x432.png 768w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/ARTICLE-65-18x10.png 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">Um tanque atmosf\u00e9rico apresenta melhor desempenho quando o armazenamento envolve l\u00edquidos de baixa volatilidade e press\u00e3o interna desprez\u00edvel. Esses tanques s\u00e3o especificamente desenvolvidos para minimizar a press\u00e3o relacionada ao estresse e a energia de ruptura. O armazenamento de alto volume, utilizando constru\u00e7\u00f5es de grande di\u00e2metro, apresenta requisitos de fabrica\u00e7\u00e3o menos complexos. Eles s\u00e3o amplamente utilizados em aplica\u00e7\u00f5es nas quais o controle de ventila\u00e7\u00e3o, a toler\u00e2ncia \u00e0 corros\u00e3o e a toler\u00e2ncia \u00e0 acomoda\u00e7\u00e3o da press\u00e3o s\u00e3o os fatores que controlam o desempenho, e n\u00e3o a conten\u00e7\u00e3o da press\u00e3o.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">O projeto de tanques de press\u00e3o \u00e9 concebido para garantir o manuseio seguro da energia armazenada, atrav\u00e9s do c\u00e1lculo da espessura da parede e dos sistemas de al\u00edvio de press\u00e3o. Isso permite um design compacto e alta precis\u00e3o no controle. A sele\u00e7\u00e3o dos tanques ser\u00e1 baseada nas margens de press\u00e3o suportada, nos requisitos de seguran\u00e7a e nas normas regulamentares.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"FAQs\"><\/span><b>Perguntas frequentes<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Can_an_atmospheric_tank_be_considered_a_pressure_vessel\"><\/span><b>Um tanque atmosf\u00e9rico pode ser considerado um vaso de press\u00e3o?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Os tanques atmosf\u00e9ricos devem ser constru\u00eddos com press\u00f5es limitadas a 1 psi, embora possam atingir at\u00e9 2,5 psi quando constru\u00eddos de acordo com o Ap\u00eandice F da norma API 650.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"What_shapes_are_common_for_pressure_vessels\"><\/span><b>Quais s\u00e3o os formatos comuns para vasos de press\u00e3o?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Na maioria das vezes, os vasos de press\u00e3o t\u00eam formato cil\u00edndrico com extremidades abauladas ou esf\u00e9ricas. A raz\u00e3o para esses formatos \u00e9 a distribui\u00e7\u00e3o uniforme das tens\u00f5es internas de press\u00e3o.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Are_there_atmospheric_tanks_controlled\"><\/span><b>Existem tanques atmosf\u00e9ricos controlados?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Sim. Na norma API 650, os tanques atmosf\u00e9ricos s\u00e3o regulamentados, e na norma API 653, s\u00e3o inspecionados.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Can_an_atmospheric_tank_require_special_permits\"><\/span><b>Um tanque atmosf\u00e9rico pode exigir licen\u00e7as especiais?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Sim. Tanques atmosf\u00e9ricos podem necessitar de licen\u00e7as especiais, que dependem do tamanho, localiza\u00e7\u00e3o e tipo de l\u00edquido a ser armazenado.\u00a0<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Why_do_pressure_tanks_need_pressure_relief_devices\"><\/span><b>Por que os tanques de press\u00e3o precisam de dispositivos de al\u00edvio de press\u00e3o?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Os dispositivos de al\u00edvio ajudar\u00e3o a evitar que a press\u00e3o interna exceda a Press\u00e3o M\u00e1xima de Trabalho Admiss\u00edvel (MAWP) durante a exposi\u00e7\u00e3o ao fogo.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Can_temperature_affect_pressure_inside_a_storage_tank\"><\/span><b>A temperatura pode afetar a press\u00e3o dentro de um tanque de armazenamento?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Particularmente em tanques pressurizados fechados, se voc\u00ea aumentar a temperatura, a press\u00e3o de vapor e a press\u00e3o interna aumentar\u00e3o.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"How_often_are_atmospheric_tanks_inspected\"><\/span><b>Com que frequ\u00eancia os tanques atmosf\u00e9ricos s\u00e3o inspecionados?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Os tanques atmosf\u00e9ricos devem ser inspecionados a cada 5 a 10 anos. Isso depende totalmente da taxa de corros\u00e3o e das condi\u00e7\u00f5es de servi\u00e7o.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Can_all_the_tanks_that_are_not_within_the_pressure_vessel_category_be_used_safely_in_high-pressure_environments\"><\/span><b>Todos os tanques que n\u00e3o se enquadram na categoria de vasos de press\u00e3o podem ser usados com seguran\u00e7a em ambientes de alta press\u00e3o?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">N\u00e3o. <\/span><span style=\"font-weight: 400;\">Os tanques, que n\u00e3o conseguem suportar a press\u00e3o e que n\u00e3o possuem suporte estrutural, ir\u00e3o desabar quando a press\u00e3o exercida sobre eles ultrapassar os limites de projeto.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Get_Your_Customized_Tanks_by_KDM_Steel\"><\/span><b>Encomende seus tanques personalizados com a KDM Steel.<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-49189\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/ARTICLE-66.png\" alt=\"\" width=\"1280\" height=\"720\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/ARTICLE-66.png 1280w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/ARTICLE-66-150x84.png 150w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/ARTICLE-66-768x432.png 768w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/ARTICLE-66-18x10.png 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">A\u00e7o KDM<\/span> <span style=\"font-weight: 400;\">Projetamos e constru\u00edmos tanques atmosf\u00e9ricos e pressurizados de acordo com os c\u00f3digos de projeto e padr\u00f5es de processo precisos. Oferecemos solu\u00e7\u00f5es que atendem aos requisitos industriais. Garantimos confiabilidade em termos de desempenho e cumprimento de requisitos nas etapas de projeto, fabrica\u00e7\u00e3o e entrega.<\/span><a href=\"https:\/\/www.kdmsteel.com\/pt\/contato\/\"> <span style=\"font-weight: 400;\">Contato<\/span><\/a> <span style=\"font-weight: 400;\">n\u00f3s<\/span><span style=\"font-weight: 400;\"> e fale sobre seus projetos.<\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>Liquids in atmospheric tanks and pressure tanks are stored at very dissimilar operating conditions. Industrial purchasers and engineers must select the tank based on process requirements and safety codes. Incorrect selection increases lifecycle costs and downtime. This article compares the two tanks with respect to practical engineering requirements. What is an Atmospheric Tank? The liquids [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":49184,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"disabled","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-49183","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Atmospheric Tank vs Pressure Tank: Detailed Comparison for Engineers - KDM Steel<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.kdmsteel.com\/pt\/tanque-atmosferico-versus-tanque-de-pressao\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Atmospheric Tank vs Pressure Tank: Detailed Comparison for Engineers - KDM Steel\" \/>\n<meta property=\"og:description\" content=\"Liquids in atmospheric tanks and pressure tanks are stored at very dissimilar operating conditions. 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Industrial purchasers and engineers must select the tank based on process requirements and safety codes. Incorrect selection increases lifecycle costs and downtime. This article compares the two tanks with respect to practical engineering requirements. What is an Atmospheric Tank? 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