{"id":15079,"date":"2026-04-09T16:58:25","date_gmt":"2026-04-09T08:58:25","guid":{"rendered":"https:\/\/www.xintaivalves.com\/?p=15079"},"modified":"2026-04-16T17:03:20","modified_gmt":"2026-04-16T09:03:20","slug":"what-is-cryogenic-gate-valve","status":"publish","type":"post","link":"https:\/\/www.xintaivalves.com\/pt\/blog\/gate-valve\/what-is-cryogenic-gate-valve\/","title":{"rendered":"V\u00e1lvula Gaveta Criog\u00eanica Explicada: Projeto, Funcionamento e Aplica\u00e7\u00f5es"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_86 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 de conte\u00fado\"><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 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.xintaivalves.com\/pt\/blog\/gate-valve\/what-is-cryogenic-gate-valve\/#What_Makes_Cryogenic_Service_Different_from_Standard_Valve_Applications\" >O que Torna o Servi\u00e7o Criog\u00eanico Diferente das Aplica\u00e7\u00f5es de V\u00e1lvulas Padr\u00e3o<\/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.xintaivalves.com\/pt\/blog\/gate-valve\/what-is-cryogenic-gate-valve\/#Five_Design_Features_That_Make_a_Cryogenic_Gate_Valve_Work\" >Cinco Caracter\u00edsticas de Design que Fazem uma V\u00e1lvula Gaveta Criog\u00eanica Funcionar<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.xintaivalves.com\/pt\/blog\/gate-valve\/what-is-cryogenic-gate-valve\/#Extended_Bonnet_Gate_Valve\" >V\u00e1lvula Gaveta com Castelo Estendido<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.xintaivalves.com\/pt\/blog\/gate-valve\/what-is-cryogenic-gate-valve\/#Material_Selection\" >Sele\u00e7\u00e3o de Materiais<\/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.xintaivalves.com\/pt\/blog\/gate-valve\/what-is-cryogenic-gate-valve\/#Wedge_Gate_Design_and_Seating\" >Design da Gaveta em Cunha e Veda\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.xintaivalves.com\/pt\/blog\/gate-valve\/what-is-cryogenic-gate-valve\/#Cavity_Pressure_Relief\" >Al\u00edvio da press\u00e3o da cavidade<\/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.xintaivalves.com\/pt\/blog\/gate-valve\/what-is-cryogenic-gate-valve\/#Fire-Safe_Design\" >Design \u00e0 prova de fogo<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.xintaivalves.com\/pt\/blog\/gate-valve\/what-is-cryogenic-gate-valve\/#How_the_Valve_Opens_Closes_and_Seals_at_Extreme_Temperatures\" >Como a V\u00e1lvula Abre, Fecha e Veda em Temperaturas Extremas<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.xintaivalves.com\/pt\/blog\/gate-valve\/what-is-cryogenic-gate-valve\/#Cryogenic_Torque_Expert\" >Especialista em Torque Criog\u00eanico<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.xintaivalves.com\/pt\/blog\/gate-valve\/what-is-cryogenic-gate-valve\/#Industries_and_Applications_That_Rely_on_Cryogenic_Gate_Valves\" >Ind\u00fastrias e Aplica\u00e7\u00f5es que Dependem de V\u00e1lvulas Gaveta Criog\u00eanicas<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.xintaivalves.com\/pt\/blog\/gate-valve\/what-is-cryogenic-gate-valve\/#How_Cryogenic_Gate_Valves_Compare_to_Globe_Ball_and_High-Pressure_Designs\" >Como as V\u00e1lvulas Gaveta Criog\u00eanicas se Comparam \u00e0s V\u00e1lvulas Globo, Esfera e Designs de Alta 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-12\" href=\"https:\/\/www.xintaivalves.com\/pt\/blog\/gate-valve\/what-is-cryogenic-gate-valve\/#Cryogenic_Globe_Valves_and_Flow_Regulation\" >V\u00e1lvulas Globo Criog\u00eanicas e Regula\u00e7\u00e3o de Fluxo<\/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.xintaivalves.com\/pt\/blog\/gate-valve\/what-is-cryogenic-gate-valve\/#Ball_Valves_and_Cold_Flow_Risk\" >V\u00e1lvulas Esfera e Risco de Fluxo Frio<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.xintaivalves.com\/pt\/blog\/gate-valve\/what-is-cryogenic-gate-valve\/#High_Pressure_Gate_Valve_Designs\" >Designs de V\u00e1lvulas Gaveta 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-15\" href=\"https:\/\/www.xintaivalves.com\/pt\/blog\/gate-valve\/what-is-cryogenic-gate-valve\/#What_to_Know_Before_Installing_or_Maintaining_a_Cryogenic_Gate_Valve\" >O que Saber Antes de Instalar ou Manter uma V\u00e1lvula Gaveta Criog\u00eanica<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.xintaivalves.com\/pt\/blog\/gate-valve\/what-is-cryogenic-gate-valve\/#How_to_Evaluate_Cryogenic_Gate_Valve_Manufacturers_Before_You_Order\" >Como Avaliar Fabricantes de V\u00e1lvulas Gaveta Criog\u00eanicas Antes de Encomendar<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.xintaivalves.com\/pt\/blog\/gate-valve\/what-is-cryogenic-gate-valve\/#Xintai_Cryogenic_Gate_Valves\" >V\u00e1lvulas Gaveta Criog\u00eanicas Xintai<\/a><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\">Uma v\u00e1lvula gaveta criog\u00eanica \u00e9 uma v\u00e1lvula industrial especializada constru\u00edda para servi\u00e7o em temperaturas extremamente baixas, operando de forma confi\u00e1vel at\u00e9 -196\u00b0C e abaixo. V\u00e1lvulas padr\u00e3o falham nessas condi\u00e7\u00f5es porque o metal se torna quebradi\u00e7o e a contra\u00e7\u00e3o t\u00e9rmica causa vazamento nas veda\u00e7\u00f5es.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/04\/image1-2-1024x682.webp\" alt=\"\" class=\"wp-image-15081\" srcset=\"https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/04\/image1-2-1024x682.webp 1024w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/04\/image1-2-300x200.webp 300w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/04\/image1-2-768x512.webp 768w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/04\/image1-2-18x12.webp 18w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/04\/image1-2.webp 1229w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Makes_Cryogenic_Service_Different_from_Standard_Valve_Applications\"><\/span><strong>O que Torna o Servi\u00e7o Criog\u00eanico Diferente das Aplica\u00e7\u00f5es de V\u00e1lvulas Padr\u00e3o<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A maioria das v\u00e1lvulas industriais \u00e9 projetada para faixas de temperatura moderadas. Em temperaturas criog\u00eanicas, o a\u00e7o carbono perde ductilidade, as veda\u00e7\u00f5es elastom\u00e9ricas encolhem e racham, e as hastes congelam no lugar.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A v\u00e1lvula criog\u00e9nica foi desenvolvida especificamente para resolver estes problemas, com cada elemento de projeto a abordar um modo de falha que o hardware padr\u00e3o n\u00e3o consegue lidar.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Five_Design_Features_That_Make_a_Cryogenic_Gate_Valve_Work\"><\/span><strong>Cinco Caracter\u00edsticas de Design que Fazem uma V\u00e1lvula Gaveta Criog\u00eanica Funcionar<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.xintaivalves.com\/pt\/products\/cryogenic-gate-valve-2\/\">V\u00e1lvula de gaveta criog\u00e9nica<\/a> O projeto \u00e9 constru\u00eddo em torno de manter o mecanismo de opera\u00e7\u00e3o funcional a temperaturas que desativam as v\u00e1lvulas padr\u00e3o. Cada caracter\u00edstica abaixo existe por uma raz\u00e3o de engenharia espec\u00edfica.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignright size-large is-resized\"><a href=\"https:\/\/www.xintaivalves.com\/pt\/products\/cryogenic-gate-valve-2\/\"><img decoding=\"async\" src=\"https:\/\/dbfhaf64fpo53.cloudfront.net\/wp-content\/uploads\/2022\/02\/%E6%9C%AA%E6%A0%87%E9%A2%98-2-5.jpg\" alt=\"\" style=\"width:226px;height:auto\"\/><\/a><figcaption class=\"wp-element-caption\"><a href=\"https:\/\/www.xintaivalves.com\/pt\/products\/cryogenic-gate-valve-2\/\">V\u00c1LVULA DE PORTA CRIOG\u00caNICA<\/a><\/figcaption><\/figure>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Extended_Bonnet_Gate_Valve\"><\/span><strong>V\u00e1lvula Gaveta com Castelo Estendido<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">O castelo estendido eleva a gaxeta da haste bem acima do n\u00edvel do l\u00edquido criog\u00e9nico, criando um espa\u00e7o de vapor que mant\u00e9m a veda\u00e7\u00e3o quente o suficiente para funcionar.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sem esta extens\u00e3o, a humidade atmosf\u00e9rica congela em torno da gaxeta e bloqueia a haste no lugar.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Material_Selection\"><\/span><strong>Sele\u00e7\u00e3o de Materiais<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">O a\u00e7o carbono torna-se quebradi\u00e7o abaixo de -29\u00b0C, o que o exclui para servi\u00e7o criog\u00e9nico. Uma v\u00e1lvula de gaveta de a\u00e7o inoxid\u00e1vel constru\u00edda a partir de 304, 304L ou 316L ret\u00e9m a ductilidade at\u00e9 -196\u00b0C e \u00e9 o grau padr\u00e3o para corpos e castelos de v\u00e1lvulas de gaveta criog\u00e9nicas.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Liga de tit\u00e2nio e bronze de alum\u00ednio C95800 est\u00e3o dispon\u00edveis onde os graus de a\u00e7o inoxid\u00e1vel n\u00e3o atendem aos requisitos da aplica\u00e7\u00e3o.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Wedge_Gate_Design_and_Seating\"><\/span><strong>Design da Gaveta em Cunha e Veda\u00e7\u00e3o<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A configura\u00e7\u00e3o da v\u00e1lvula de gaveta tipo cunha pressiona metal contra metal na interface de veda\u00e7\u00e3o. Os assentos e as faces da cunha s\u00e3o tipicamente revestidos com Stellite para resistir ao engripamento sob ciclos t\u00e9rmicos repetidos.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Isso produz uma veda\u00e7\u00e3o estanque a bolhas que os projetos de assento macio n\u00e3o conseguem manter a temperaturas criog\u00e9nicas.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cavity_Pressure_Relief\"><\/span><strong>Al\u00edvio da press\u00e3o da cavidade<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Quando a v\u00e1lvula fecha, o l\u00edquido aprisionado na cavidade do castelo aquece ligeiramente e evapora. Sem al\u00edvio, o aumento de press\u00e3o resultante pode romper o castelo.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Um pequeno orif\u00edcio de al\u00edvio na cunha ou assentos auto-aliviadores ventila a cavidade automaticamente antes que a press\u00e3o atinja um n\u00edvel perigoso.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Fire-Safe_Design\"><\/span><strong>Design \u00e0 prova de fogo<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">O GNL a -162\u00b0C e meios criog\u00e9nicos inflam\u00e1veis semelhantes exigem constru\u00e7\u00e3o \u00e0 prova de fogo de acordo com a API 607. Isso garante que a v\u00e1lvula mantenha uma veda\u00e7\u00e3o funcional mesmo que a veda\u00e7\u00e3o prim\u00e1ria seja comprometida num evento de inc\u00eandio.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_the_Valve_Opens_Closes_and_Seals_at_Extreme_Temperatures\"><\/span><strong>Como a V\u00e1lvula Abre, Fecha e Veda em Temperaturas Extremas<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ao girar o volante, a cunha move-se perpendicularmente ao caminho do fluxo. Em abertura total, a cunha retrai-se completamente do furo, deixando uma passagem direta com queda de press\u00e3o m\u00ednima.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Em fechamento total, a cunha pressiona contra ambas as faces do assento com contato metal-metal. A haste estendida mant\u00e9m o conjunto da gaxeta na zona de vapor mais quente, bem acima do l\u00edquido criog\u00e9nico.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A abertura parcial n\u00e3o \u00e9 uma posi\u00e7\u00e3o de opera\u00e7\u00e3o. Ela erodir\u00e1 as faces do assento e remover\u00e1 o fechamento estanque que torna estas v\u00e1lvulas necess\u00e1rias em primeiro lugar.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Verifique a Seguran\u00e7a da Sua Opera\u00e7\u00e3o Manual<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Como mencionado, as temperaturas criog\u00eanicas aumentam o atrito e a contra\u00e7\u00e3o do material. Antes de especificar o tamanho de um volante, use nosso estimador profissional abaixo para ver se o Torque de Partida requer um operador de engrenagem.<\/p>\n\n\n\n<style>\n\/* \u6838\u5fc3\u5bb9\u5668 *\/\n.xintai-cryo-calc {\n    background: #ffffff;\n    padding: 30px;\n    border-radius: 16px;\n    border: 1px solid #f0f0f0;\n    max-width: 500px;\n    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;\n    color: #2c3e50;\n    margin: 30px auto;\n    box-shadow: 0 20px 50px rgba(0,0,0,0.1);\n    position: relative;\n}\n\n\/* Engineering Note \u6837\u5f0f *\/\n.xintai-eng-note {\n    background: #fff8f8;\n    border-left: 4px solid #d9534f;\n    padding: 15px;\n    margin-bottom: 25px;\n    border-radius: 4px;\n    font-size: 14px;\n    line-height: 1.6;\n    color: #444;\n}\n\n.xintai-eng-note strong { color: #d9534f; }\n\n\/* \u6807\u9898\u6837\u5f0f *\/\n.xintai-cryo-calc h3 {\n    margin: 0 0 5px 0;\n    color: #d9534f;\n    font-size: 22px;\n    display: flex;\n    align-items: center;\n    gap: 10px;\n}\n\n.xintai-cryo-calc h3 svg { width: 26px; height: 26px; fill: #d9534f; }\n\n.xintai-sub { font-size: 12px; color: #888; margin-bottom: 20px; display: block; }\n\n\/* \u8f93\u5165\u884c\u6837\u5f0f *\/\n.input-row { margin-bottom: 15px; }\n\n.input-row label {\n    display: flex;\n    align-items: center;\n    gap: 8px;\n    font-weight: 600;\n    font-size: 13px;\n    margin-bottom: 6px;\n    color: #34495e;\n}\n\n.input-row label svg { width: 16px; height: 16px; fill: #95a5a6; }\n\n.input-row input, .input-row select {\n    width: 100%;\n    padding: 10px;\n    border: 2px solid #edf2f7;\n    border-radius: 6px;\n    font-size: 14px;\n    transition: 0.3s;\n    background: #f8fafc;\n}\n\n.input-row input:focus {\n    border-color: #d9534f;\n    background: #fff;\n    outline: none;\n    box-shadow: 0 0 0 3px rgba(217, 83, 79, 0.1);\n}\n\n\/* \u6309\u94ae *\/\n.calc-btn {\n    width: 100%;\n    padding: 15px;\n    background: #d9534f;\n    color: #fff;\n    border: none;\n    border-radius: 6px;\n    font-weight: 700;\n    font-size: 15px;\n    cursor: pointer;\n    display: flex;\n    justify-content: center;\n    align-items: center;\n    gap: 8px;\n    transition: 0.3s;\n    text-transform: uppercase;\n}\n\n.calc-btn:hover { background: #c9302c; transform: translateY(-2px); }\n\n\/* \u7ed3\u679c\u9762\u677f *\/\n.res-panel {\n    margin-top: 25px;\n    background: #2c3e50;\n    border-radius: 10px;\n    padding: 18px;\n    color: #ecf0f1;\n    display: none;\n    animation: slideUp 0.4s ease-out;\n}\n\n@keyframes slideUp { from { opacity:0; transform: translateY(15px); } to { opacity:1; transform: translateY(0); } }\n\n.res-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }\n\n.res-card { background: rgba(255,255,255,0.05); padding: 12px; border-radius: 6px; text-align: center; border: 1px solid rgba(255,255,255,0.1); }\n\n.res-label { font-size: 10px; text-transform: uppercase; color: #bdc3c7; display: block; margin-bottom: 3px; }\n\n.res-val { font-size: 18px; font-weight: 700; color: #ff4d4d; }\n\n.warning-box {\n    margin-top: 15px;\n    background: rgba(217, 83, 79, 0.2);\n    padding: 12px;\n    border-radius: 6px;\n    font-size: 12px;\n    border: 1px solid rgba(217, 83, 79, 0.4);\n    display: flex;\n    gap: 10px;\n    line-height: 1.4;\n}\n<\/style>\n\n<div class=\"xintai-cryo-calc\">\n    <div class=\"xintai-eng-note\">\n        <strong>\ud83d\udca1 Nota de Engenharia:<\/strong><br>\n        Em temperaturas criog\u00eanicas, a contra\u00e7\u00e3o do material pode aumentar significativamente o torque de partida inicial. Use nosso <strong>Estimador de Torque Criog\u00eanico<\/strong> abaixo para verificar se o tamanho atual do seu volante oferece alavancagem suficiente ou se uma caixa de engrenagens de alta rela\u00e7\u00e3o \u00e9 necess\u00e1ria para opera\u00e7\u00e3o manual segura.\n    <\/div>\n\n    <h3><span class=\"ez-toc-section\" id=\"Cryogenic_Torque_Expert\"><\/span>\n        <svg viewbox=\"0 0 24 24\"><path d=\"M12,15.5A3.5,3.5 0 0,1 8.5,12A3.5,3.5 0 0,1 12,8.5A3.5,3.5 0 0,1 15.5,12A3.5,3.5 0 0,1 12,15.5M19.43,12.97C19.47,12.65 19.5,12.33 19.5,12C19.5,11.67 19.47,11.34 19.43,11L21.54,9.37C21.73,9.22 21.78,8.95 21.66,8.73L19.66,5.27C19.54,5.05 19.27,4.96 19.05,5.05L16.56,6.05C16.04,5.66 15.5,5.32 14.87,5.07L14.5,2.42C14.46,2.18 14.25,2 14,2H10C9.75,2 9.54,2.18 9.5,2.42L9.13,5.07C8.5,5.32 7.96,5.66 7.44,6.05L4.95,5.05C4.73,4.96 4.46,5.05 4.34,5.27L2.34,8.73C2.21,8.95 2.27,9.22 2.46,9.37L4.57,11C4.53,11.34 4.5,11.67 4.5,12C4.5,12.33 4.53,12.65 4.57,12.97L2.46,14.63C2.27,14.78 2.21,15.05 2.34,15.27L4.34,18.73C4.46,18.95 4.73,19.03 4.95,18.95L7.44,17.94C7.96,18.34 8.5,18.68 9.13,18.93L9.5,21.58C9.54,21.82 9.75,22 10,22H14C14.25,22 14.46,21.82 14.5,21.58L14.87,18.93C15.5,18.67 16.04,18.34 16.56,17.94L19.05,18.95C19.27,19.03 19.54,18.95 19.66,18.73L21.66,15.27C21.78,15.05 21.73,14.78 21.54,14.63L19.43,12.97Z\" \/><\/svg>\n        Especialista em Torque Criog\u00eanico\n    <span class=\"ez-toc-section-end\"><\/span><\/h3>\n    <span class=\"xintai-sub\">Verifica\u00e7\u00e3o de Dimensionamento para Servi\u00e7o de GNL a -196\u00b0C e Subzero<\/span>\n\n    <div class=\"input-row\">\n        <label>\n            <svg viewbox=\"0 0 24 24\"><path d=\"M12,2A10,10 0 0,0 2,12A10,10 0 0,0 12,22A10,10 0 0,0 22,12A10,10 0 0,0 12,2M12,4A8,8 0 0,1 20,12A8,8 0 0,1 12,20A8,8 0 0,1 4,12A8,8 0 0,1 12,4M11,6V18H13V6H11Z\" \/><\/svg>\n            Tamanho da V\u00e1lvula (Polegada)\n        <\/label>\n        <input type=\"number\" id=\"v-size\" value=\"10\">\n    <\/div>\n\n    <div class=\"input-row\">\n        <label>\n            <svg viewbox=\"0 0 24 24\"><path d=\"M12,2A10,10 0 0,0 2,12A10,10 0 0,0 12,22A10,10 0 0,0 22,12A10,10 0 0,0 12,2M12,4A8,8 0 0,1 20,12A8,8 0 0,1 12,20A8,8 0 0,1 4,12A8,8 0 0,1 12,4M12.5,7V12.25L17,14.92L16.25,16.15L11,13V7H12.5Z\" \/><\/svg>\n            Press\u00e3o Diferencial (PSI)\n        <\/label>\n        <input type=\"number\" id=\"v-pressure\" value=\"300\">\n    <\/div>\n\n    <div class=\"input-row\">\n        <label>\n            <svg viewbox=\"0 0 24 24\"><path d=\"M12,15.5A3.5,3.5 0 0,1 8.5,12A3.5,3.5 0 0,1 12,8.5A3.5,3.5 0 0,1 15.5,12A3.5,3.5 0 0,1 12,15.5M19.43,12.97C19.47,12.65 19.5,12.33 19.5,12C19.5,11.67 19.47,11.34 19.43,11L21.54,9.37C21.73,9.22 21.78,8.95 21.66,8.73L19.66,5.27C19.54,5.05 19.27,4.96 19.05,5.05L16.56,6.05C16.04,5.66 15.5,5.32 14.87,5.07L14.5,2.42C14.46,2.18 14.25,2 14,2H10C9.75,2 9.54,2.18 9.5,2.42L9.13,5.07C8.5,5.32 7.96,5.66 7.44,6.05L4.95,5.05C4.73,4.96 4.46,5.05 4.34,5.27L2.34,8.73C2.21,8.95 2.27,9.22 2.46,9.37L4.57,11C4.53,11.34 4.5,11.67 4.5,12C4.5,12.33 4.53,12.65 4.57,12.97L2.46,14.63C2.27,14.78 2.21,15.05 2.34,15.27L4.34,18.73C4.46,18.95 4.73,19.03 4.95,18.95L7.44,17.94C7.96,18.34 8.5,18.68 9.13,18.93L9.5,21.58C9.54,21.82 9.75,22 10,22H14C14.25,22 14.46,21.82 14.5,21.58L14.87,18.93C15.5,18.67 16.04,18.34 16.56,17.94L19.05,18.95C19.27,19.03 19.54,18.95 19.66,18.73L21.66,15.27C21.78,15.05 21.73,14.78 21.54,14.63L19.43,12.97Z\" \/><\/svg>\n            Tipo de Caixa de Engrenagens\n        <\/label>\n        <select id=\"v-gear-type\">\n            <option value=\"0.95\">C\u00f4nica (Efici\u00eancia 95%)<\/option>\n            <option value=\"0.70\">Sem-fim (Efici\u00eancia 70%)<\/option>\n        <\/select>\n    <\/div>\n\n    <div class=\"input-row\" style=\"margin-bottom: 25px;\">\n        <label>\n            <svg viewbox=\"0 0 24 24\"><path d=\"M2,12A10,10 0 0,1 12,2A10,10 0 0,1 22,12A10,10 0 0,1 12,22A10,10 0 0,1 2,12M12,4A8,8 0 0,0 4,12A8,8 0 0,0 12,20A8,8 0 0,0 20,12A8,8 0 0,0 12,4M11,7H13V13H17V15H11V7Z\" \/><\/svg>\n            Rela\u00e7\u00e3o de Engrenagens (X:1)\n        <\/label>\n        <input type=\"number\" id=\"v-ratio\" value=\"20\">\n    <\/div>\n\n    <button onclick=\"calculateTorque()\" class=\"calc-btn\">\n        Calcular Torque Criog\u00eanico\n    <\/button>\n\n    <div id=\"result-box\" class=\"res-panel\">\n        <div class=\"res-grid\">\n            <div class=\"res-card\">\n                <span class=\"res-label\">Torque da Haste<\/span>\n                <span class=\"res-val\"><span id=\"stem-torque\">0<\/span> Nm<\/span>\n            <\/div>\n            <div class=\"res-card\">\n                <span class=\"res-label\">Torque de Entrada<\/span>\n                <span class=\"res-val\"><span id=\"input-torque\">0<\/span> Nm<\/span>\n            <\/div>\n        <\/div>\n        \n        <div id=\"torque-warning\" class=\"warning-box\" style=\"display: none;\">\n            <svg style=\"width:24px;height:24px;flex-shrink:0\" viewbox=\"0 0 24 24\"><path fill=\"#d9534f\" d=\"M12,2L1,21H23L12,2M12,6L19.53,19H4.47L12,6M11,10V14H13V10H11M11,16V18H13V16H11Z\" \/><\/svg>\n            <div>\n                <strong>RISCO DE BLOQUEIO POR FRIO:<\/strong> Entrada excede 80 Nm. Considerando a contra\u00e7\u00e3o do material a -196\u00b0C, a opera\u00e7\u00e3o manual pode falhar. <strong>Uma engrenagem de alta rela\u00e7\u00e3o ou atuador \u00e9 recomendado!<\/strong>\n            <\/div>\n        <\/div>\n    <\/div>\n<\/div>\n\n<script>\nfunction calculateTorque() {\n    const size = parseFloat(document.getElementById('v-size').value);\n    const pressure = parseFloat(document.getElementById('v-pressure').value);\n    const efficiency = parseFloat(document.getElementById('v-gear-type').value);\n    const ratio = parseFloat(document.getElementById('v-ratio').value);\n\n    if (isNaN(size) || isNaN(pressure) || isNaN(ratio)) return;\n\n    \/\/ \u4f4e\u6e29\u5de5\u51b5\u7ecf\u9a8c\u516c\u5f0f\u4f30\u7b97 (\u7565\u5fae\u8c03\u9ad8\u4e86\u6469\u64e6\u7cfb\u6570\u4ee5\u6a21\u62df\u4f4e\u6e29\u4e0b\u7684\u51b7\u7f29\u8d1f\u8f7d)\n    const area = Math.PI * Math.pow((size \/ 2), 2);\n    const force = area * pressure;\n    const stemTorqueLbfIn = force * 0.35 * (size * 0.15); \/\/ \u4f4e\u6e29\u6469\u64e6\u7cfb\u6570\u8bbe\u4e3a0.35\n    const stemTorqueNm = stemTorqueLbfIn * 0.113; \n    const inputTorque = stemTorqueNm \/ (ratio * efficiency);\n\n    document.getElementById('stem-torque').innerText = stemTorqueNm.toFixed(1);\n    document.getElementById('input-torque').innerText = inputTorque.toFixed(1);\n    \n    document.getElementById('result-box').style.display = 'block';\n    \n    \/\/ \u8d85\u8fc7 80 Nm \u65f6\u663e\u793a\u9488\u5bf9\u4f4e\u6e29\u5de5\u51b5\u7684\u7279\u522b\u8b66\u544a\n    document.getElementById('torque-warning').style.display = (inputTorque > 80) ? 'flex' : 'none';\n}\n<\/script>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Industries_and_Applications_That_Rely_on_Cryogenic_Gate_Valves\"><\/span><strong>Ind\u00fastrias e Aplica\u00e7\u00f5es que Dependem de V\u00e1lvulas Gaveta Criog\u00eanicas<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Estas v\u00e1lvulas aparecem em qualquer processo onde gases liquefeitos devem ser controlados com seguran\u00e7a em temperaturas extremas:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Terminais de GNL e instala\u00e7\u00f5es de armazenamento manuseiam g\u00e1s natural a -162\u00b0C durante opera\u00e7\u00f5es de carga, descarga e transfer\u00eancia<\/li>\n\n\n\n<li>Plantas de separa\u00e7\u00e3o de ar produzem oxig\u00eanio l\u00edquido, nitrog\u00eanio l\u00edquido e arg\u00f4nio l\u00edquido em temperaturas de at\u00e9 -196\u00b0C<\/li>\n\n\n\n<li>Sistemas aeroespaciais e de propuls\u00e3o de foguetes usam hidrog\u00eanio l\u00edquido a -254\u00b0C juntamente com oxig\u00eanio l\u00edquido como propelentes<\/li>\n\n\n\n<li>Aceleradores de part\u00edculas usam h\u00e9lio l\u00edquido para \u00edm\u00e3s supercondutores, e hospitais gerenciam armazenamento de oxig\u00eanio l\u00edquido em larga escala<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">A gama completa de tipos de v\u00e1lvulas de baixa temperatura da Xintai para estas ind\u00fastrias, incluindo designs de esfera, reten\u00e7\u00e3o e globo, juntamente com v\u00e1lvulas gaveta, est\u00e1 dispon\u00edvel em nossa <a href=\"https:\/\/www.xintaivalves.com\/pt\/cryogenic-valve-collection\/\">v\u00e1lvula criog\u00eanica<\/a>.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><a href=\"https:\/\/www.xintaivalves.com\/pt\/cryogenic-valve-collection\/\"><img decoding=\"async\" src=\"https:\/\/dbfhaf64fpo53.cloudfront.net\/wp-content\/uploads\/2022\/03\/1-3.jpg\" alt=\"\" style=\"width:278px;height:auto\"\/><\/a><figcaption class=\"wp-element-caption\"><a href=\"https:\/\/www.xintaivalves.com\/pt\/cryogenic-valve-collection\/\">Cole\u00e7\u00e3o de V\u00e1lvulas Criog\u00eanicas<\/a><\/figcaption><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_Cryogenic_Gate_Valves_Compare_to_Globe_Ball_and_High-Pressure_Designs\"><\/span><strong>Como as V\u00e1lvulas Gaveta Criog\u00eanicas se Comparam \u00e0s V\u00e1lvulas Globo, Esfera e Designs de Alta Press\u00e3o<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A v\u00e1lvula gaveta nem sempre \u00e9 a escolha certa para servi\u00e7o de baixa temperatura. Entender onde outros tipos se encaixam ajuda a restringir a sele\u00e7\u00e3o.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cryogenic_Globe_Valves_and_Flow_Regulation\"><\/span><strong>V\u00e1lvulas Globo Criog\u00eanicas e Regula\u00e7\u00e3o de Fluxo<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00e1lvulas Globo Criog\u00eanicas s\u00e3o mais adequadas para estrangulamento e regula\u00e7\u00e3o de fluxo do que designs de gaveta. O caminho de fluxo interno em forma de S proporciona controle preciso, mas cria uma queda de press\u00e3o maior.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Para servi\u00e7o de isolamento de grande di\u00e2metro onde o fluxo direto \u00e9 mais importante do que a modula\u00e7\u00e3o, a v\u00e1lvula gaveta \u00e9 a op\u00e7\u00e3o mais forte.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ball_Valves_and_Cold_Flow_Risk\"><\/span><strong>V\u00e1lvulas Esfera e Risco de Fluxo Frio<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00e1lvulas de esfera s\u00e3o compactas e de a\u00e7\u00e3o r\u00e1pida, mas os assentos macios deformam permanentemente sob press\u00e3o criog\u00eanica sustentada, uma condi\u00e7\u00e3o conhecida como fluxo a frio.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00e1lvulas gaveta s\u00e3o preferidas em di\u00e2metros maiores onde o fluxo a frio \u00e9 um risco conhecido e onde o custo de uma v\u00e1lvula de esfera de grande di\u00e2metro torna o design da gaveta mais pr\u00e1tico.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"High_Pressure_Gate_Valve_Designs\"><\/span><strong>Designs de V\u00e1lvulas Gaveta de Alta Press\u00e3o<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A<a href=\"https:\/\/www.xintaivalves.com\/pt\/blog\/gate-valve\/high-pressure-gate-valve-design-uses\/\"> v\u00e1lvula de gaveta de alta press\u00e3o<\/a> para servi\u00e7o industrial padr\u00e3o compartilha geometria de gaveta e cunha semelhante, mas carece do castelo estendido e dos graus de material criog\u00eanico que o servi\u00e7o de baixa temperatura exige.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Usar um design padr\u00e3o de alta press\u00e3o em condi\u00e7\u00f5es criog\u00e9nicas causa falha da gaxeta e travamento da haste, independentemente da classe de press\u00e3o.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_to_Know_Before_Installing_or_Maintaining_a_Cryogenic_Gate_Valve\"><\/span><strong>O que Saber Antes de Instalar ou Manter uma V\u00e1lvula Gaveta Criog\u00eanica<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Alguns fatores que determinam se a v\u00e1lvula funciona conforme especificado em servi\u00e7o:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Instale com a haste na vertical e o castelo estendido apontando para cima, uma vez que o espa\u00e7o de vapor s\u00f3 funciona nesta orienta\u00e7\u00e3o<\/li>\n\n\n\n<li>Limpe completamente antes da instala\u00e7\u00e3o. \u00d3leo, graxa ou contamina\u00e7\u00e3o por part\u00edculas s\u00e3o altamente reativos em servi\u00e7o de oxig\u00e9nio l\u00edquido e criam risco de explos\u00e3o<\/li>\n\n\n\n<li>Conex\u00f5es soldadas de topo proporcionam melhor seguran\u00e7a contra vazamentos do que conex\u00f5es flangeadas em linhas criog\u00e9nicas cr\u00edticas<\/li>\n\n\n\n<li>Inspecione a gaxeta regularmente. O castelo estendido reduz consideravelmente o desgaste, mas n\u00e3o o elimina<\/li>\n\n\n\n<li>Nunca opere a v\u00e1lvula em posi\u00e7\u00e3o parcialmente aberta. Isso destr\u00f3i as faces met\u00e1licas do assento e elimina a veda\u00e7\u00e3o estanque a bolhas<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_to_Evaluate_Cryogenic_Gate_Valve_Manufacturers_Before_You_Order\"><\/span><strong>Como Avaliar Fabricantes de V\u00e1lvulas Gaveta Criog\u00eanicas Antes de Encomendar<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A fabrica\u00e7\u00e3o de v\u00e1lvulas criog\u00e9nicas requer execu\u00e7\u00e3o precisa em todas as etapas, desde a certifica\u00e7\u00e3o do material e geometria do castelo estendido at\u00e9 a limpeza e teste de press\u00e3o.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Lacunas em qualquer uma dessas etapas aparecem como vazamentos ou falha operacional em servi\u00e7o.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Fabricantes conceituados de v\u00e1lvulas gaveta criog\u00e9nicas produzem de acordo com BS 6364, MSS SP-134 e ASME B16.34. Designs como as v\u00e1lvulas gaveta criog\u00e9nicas Star0044 s\u00e3o especificadas em projetos cr\u00edticos porque a sua documenta\u00e7\u00e3o de teste e padr\u00f5es de constru\u00e7\u00e3o atendem aos requisitos de veda\u00e7\u00e3o das demandas de servi\u00e7o de baixa temperatura.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Para uma an\u00e1lise detalhada do que distingue os principais fornecedores, o nosso <a href=\"https:\/\/www.xintaivalves.com\/pt\/blog\/top-5-industrial-cryogenic-valve-manufacturers-in-the-world\/\">guia para os principais fabricantes de v\u00e1lvulas criog\u00e9nicas industriais<\/a> aborda o que verificar antes de fazer um pedido.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Xintai_Cryogenic_Gate_Valves\"><\/span><strong>V\u00e1lvulas Gaveta Criog\u00eanicas Xintai<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div class=\"wp-block-cover is-light\" style=\"min-height:237px;aspect-ratio:unset;\"><img decoding=\"async\" width=\"3000\" height=\"2000\" class=\"wp-block-cover__image-background wp-image-7802\" alt=\"\" src=\"https:\/\/xintaivalves.com\/wp-content\/uploads\/2023\/03\/6624793_32879001.webp\" data-object-fit=\"cover\" srcset=\"https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2023\/03\/6624793_32879001.webp 3000w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2023\/03\/6624793_32879001-300x200.webp 300w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2023\/03\/6624793_32879001-1024x683.webp 1024w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2023\/03\/6624793_32879001-768x512.webp 768w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2023\/03\/6624793_32879001-1536x1024.webp 1536w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2023\/03\/6624793_32879001-2048x1365.webp 2048w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2023\/03\/6624793_32879001-18x12.webp 18w\" sizes=\"(max-width: 3000px) 100vw, 3000px\" \/><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim\" style=\"background-color:#e8e8e8\"><\/span><div class=\"wp-block-cover__inner-container is-layout-constrained wp-block-cover-is-layout-constrained\">\n<p class=\"has-black-color has-text-color has-link-color wp-elements-10176f1e50fccd365deb8f276774936a wp-block-paragraph\" style=\"font-size:27px\"><strong>Personalize a v\u00e1lvula perfeita para seu projeto! Obtenha um or\u00e7amento e explore nossas op\u00e7\u00f5es personalizadas.<\/strong><\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-left is-layout-flex wp-container-core-buttons-is-layout-63375db1 wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button has-custom-width wp-block-button__width-50 is-style-fill\"><a class=\"wp-block-button__link has-black-color has-text-color has-background has-link-color has-extra-small-font-size has-custom-font-size wp-element-button\" href=\"https:\/\/www.xintaivalves.com\/pt\/industrial-valve-manufacturer\/\" style=\"border-radius:100px;background-color:#d70c19\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Explore solu\u00e7\u00f5es de v\u00e1lvulas<\/strong><\/a><\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">O servi\u00e7o criog\u00e9nico n\u00e3o deixa margem para uma v\u00e1lvula que esteja quase certa. O Xintai Valve Group tem fornecido as ind\u00fastrias de petr\u00f3leo e g\u00e1s, GNL, petroqu\u00edmica, gera\u00e7\u00e3o de energia e defesa desde 1998, com projetos incluindo Petronas, Petrobras, Saudi Aramco, PARCO e Repsol YPF em mais de 50 pa\u00edses.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cada v\u00e1lvula gaveta criog\u00e9nica sai da f\u00e1brica com um relat\u00f3rio de inspe\u00e7\u00e3o completo cobrindo verifica\u00e7\u00f5es dimensionais, testes de press\u00e3o conforme API 598 e verifica\u00e7\u00e3o de material.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Uma empresa de inspe\u00e7\u00e3o independente realiza uma segunda verifica\u00e7\u00e3o antes do envio, separadamente da equipa de qualidade interna, porque o servi\u00e7o criog\u00e9nico n\u00e3o tolera ambiguidade no desempenho de veda\u00e7\u00e3o. As certifica\u00e7\u00f5es cobrem API No. 6D-1778, ISO 9001:2015, CE e OHSAS 18001.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dispon\u00edvel de DN32 a DN1400, de CL150 a CL2500, com op\u00e7\u00f5es de conex\u00e3o flangeada, solda de topo, solda de encaixe e bra\u00e7adeira. Os materiais incluem 304, 316L, C95800, C63200 e liga de tit\u00e2nio, com op\u00e7\u00f5es para servi\u00e7o \u00e1cido NACE MR0175, emiss\u00f5es fugitivas ISO 15848 e Fire Safe API 607.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Especifica\u00e7\u00f5es completas e op\u00e7\u00f5es de configura\u00e7\u00e3o est\u00e3o dispon\u00edveis em nossa p\u00e1gina de produto de v\u00e1lvula gaveta criog\u00eanica.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Se voc\u00ea est\u00e1 trabalhando em uma especifica\u00e7\u00e3o de v\u00e1lvula gaveta criog\u00eanica, <a href=\"https:\/\/www.xintaivalves.com\/pt\/contact\/\">entre em contato com nossa equipe<\/a>, e n\u00f3s trabalharemos os detalhes com voc\u00ea.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>A cryogenic gate valve is a specialized industrial valve built for extreme low-temperature service, operating reliably down to -196\u00b0C and below. Standard valves fail in these conditions because the metal becomes brittle, and thermal contraction causes seals to leak. What Makes Cryogenic Service Different from Standard Valve Applications Most industrial valves are designed for moderate [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":15081,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[238],"tags":[],"class_list":["post-15079","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-gate-valve"],"_links":{"self":[{"href":"https:\/\/www.xintaivalves.com\/pt\/wp-json\/wp\/v2\/posts\/15079","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xintaivalves.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xintaivalves.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/pt\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/pt\/wp-json\/wp\/v2\/comments?post=15079"}],"version-history":[{"count":4,"href":"https:\/\/www.xintaivalves.com\/pt\/wp-json\/wp\/v2\/posts\/15079\/revisions"}],"predecessor-version":[{"id":15107,"href":"https:\/\/www.xintaivalves.com\/pt\/wp-json\/wp\/v2\/posts\/15079\/revisions\/15107"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/pt\/wp-json\/wp\/v2\/media\/15081"}],"wp:attachment":[{"href":"https:\/\/www.xintaivalves.com\/pt\/wp-json\/wp\/v2\/media?parent=15079"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xintaivalves.com\/pt\/wp-json\/wp\/v2\/categories?post=15079"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xintaivalves.com\/pt\/wp-json\/wp\/v2\/tags?post=15079"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}