{"id":1705,"date":"2026-07-04T08:14:48","date_gmt":"2026-07-04T08:14:48","guid":{"rendered":"https:\/\/jstvalve.com\/?post_type=product&#038;p=1705"},"modified":"2026-07-04T08:14:48","modified_gmt":"2026-07-04T08:14:48","slug":"valvula-de-agulha-classe-150-2500","status":"publish","type":"product","link":"https:\/\/jstvalve.com\/pt\/produto\/valvula-de-agulha-classe-150-2500\/","title":{"rendered":"V\u00e1lvula de agulha Classe 150-2500"},"content":{"rendered":"<h2>V\u00e1lvula de agulha Classe 150-2500<\/h2>\n<p><strong>V\u00e1lvula de agulha JST Classe 150-2500<\/strong> foi concebida para a regula\u00e7\u00e3o precisa do caudal, o estrangulamento e o corte do fluxo em sistemas de condutas de alta press\u00e3o. A v\u00e1lvula utiliza uma estrutura de haste do tipo agulha para proporcionar um controlo preciso do caudal de l\u00edquidos ou gases, tornando-a adequada para aplica\u00e7\u00f5es industriais exigentes.<\/p>\n<p>Esta v\u00e1lvula de agulha est\u00e1 dispon\u00edvel com liga\u00e7\u00f5es roscadas, de soldadura por encaixe e de soldadura de topo. \u00c9 poss\u00edvel selecionar diferentes materiais e classes de press\u00e3o, de acordo com a press\u00e3o de servi\u00e7o, o fluido, a temperatura e os requisitos do projeto.<\/p>\n<h3>Caracter\u00edsticas do produto<\/h3>\n<ul>\n<li>Adequado para aplica\u00e7\u00f5es de controlo de caudal a alta press\u00e3o<\/li>\n<li>Classifica\u00e7\u00e3o de press\u00e3o da Classe 150LB \u00e0 Classe 2500LB<\/li>\n<li>Desempenho preciso na regula\u00e7\u00e3o da pot\u00eancia e do caudal<\/li>\n<li>Estrutura compacta e conce\u00e7\u00e3o de veda\u00e7\u00e3o fi\u00e1vel<\/li>\n<li>Dispon\u00edvel em a\u00e7o inoxid\u00e1vel, a\u00e7o ao carbono e a\u00e7o-liga<\/li>\n<li>Est\u00e3o dispon\u00edveis liga\u00e7\u00f5es roscadas, por soldadura de encaixe e por soldadura de topo<\/li>\n<li>Opera\u00e7\u00e3o opcional com alavanca em T ou volante<\/li>\n<li>Est\u00e3o dispon\u00edveis modelos com di\u00e2metro reduzido e di\u00e2metro total<\/li>\n<li>Est\u00e3o dispon\u00edveis materiais e especifica\u00e7\u00f5es personalizados<\/li>\n<\/ul>\n<h3>Especifica\u00e7\u00f5es t\u00e9cnicas<\/h3>\n<ul>\n<li><strong>Nome do produto:<\/strong> V\u00e1lvula de agulha Classe 150-2500<\/li>\n<li><strong>Gama de tamanhos:<\/strong> 1\/4\u201d\u20132\u201d<\/li>\n<li><strong>Classifica\u00e7\u00e3o de press\u00e3o:<\/strong> Classe 150LB\u20132500LB<\/li>\n<li><strong>Material:<\/strong> CF8, CF8M, CF3, CF3M, A105, LF2, F11, F304, F316, F304L, F316L<\/li>\n<li><strong>Norma de conce\u00e7\u00e3o:<\/strong> ASME B16.34<\/li>\n<li><strong>Extremidade roscada:<\/strong> G, NPT, BSP, BSPT, DIN 259 \/ DIN 2999<\/li>\n<li><strong>Extremidade para soldadura de topo:<\/strong> ASME B16.25<\/li>\n<li><strong>Extremidade para soldadura por encaixe:<\/strong> ASME B16.11<\/li>\n<li><strong>Norma de ensaio:<\/strong> API 598<\/li>\n<li><strong>Tipo de estrutura:<\/strong> Di\u00e2metro reduzido \/ Di\u00e2metro total<\/li>\n<li><strong>Funcionamento:<\/strong> Alavanca em T \/ Volante<\/li>\n<\/ul>\n<h3>Lista de materiais<\/h3>\n<table style=\"width: 100%; border-collapse: collapse; border: 1px solid #333;\">\n<tbody>\n<tr>\n<td style=\"border: 1px solid #333; padding: 8px;\"><strong>N\u00e3o.<\/strong><\/td>\n<td style=\"border: 1px solid #333; padding: 8px;\"><strong>Nome da pe\u00e7a<\/strong><\/td>\n<td style=\"border: 1px solid #333; padding: 8px;\"><strong>Material<\/strong><\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #333; padding: 8px;\">1<\/td>\n<td style=\"border: 1px solid #333; padding: 8px;\">Corpo<\/td>\n<td style=\"border: 1px solid #333; padding: 8px;\">SS304<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #333; padding: 8px;\">2<\/td>\n<td style=\"border: 1px solid #333; padding: 8px;\">Bon\u00e9<\/td>\n<td style=\"border: 1px solid #333; padding: 8px;\">SS304<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #333; padding: 8px;\">3<\/td>\n<td style=\"border: 1px solid #333; padding: 8px;\">Extremidade<\/td>\n<td style=\"border: 1px solid #333; padding: 8px;\">SS316<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #333; padding: 8px;\">4<\/td>\n<td style=\"border: 1px solid #333; padding: 8px;\">Arruela el\u00e1stica<\/td>\n<td style=\"border: 1px solid #333; padding: 8px;\">SS301<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #333; padding: 8px;\">5<\/td>\n<td style=\"border: 1px solid #333; padding: 8px;\">Anel de veda\u00e7\u00e3o<\/td>\n<td style=\"border: 1px solid #333; padding: 8px;\">Grafite \/ PTFE \/ Personalizado<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Lista de dimens\u00f5es<\/h3>\n<table style=\"width: 100%; border-collapse: collapse; border: 1px solid #333;\">\n<tbody>\n<tr>\n<td style=\"border: 1px solid #333; padding: 8px;\"><strong>DN<\/strong><\/td>\n<td style=\"border: 1px solid #333; padding: 8px;\"><strong>Rc<\/strong><\/td>\n<td style=\"border: 1px solid #333; padding: 8px;\"><strong>L<\/strong><\/td>\n<td style=\"border: 1px solid #333; padding: 8px;\"><strong>h<\/strong><\/td>\n<td style=\"border: 1px solid #333; padding: 8px;\"><strong>D<\/strong><\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #333; padding: 8px;\">15<\/td>\n<td style=\"border: 1px solid #333; padding: 8px;\">1\/2<\/td>\n<td style=\"border: 1px solid #333; padding: 8px;\">100<\/td>\n<td style=\"border: 1px solid #333; padding: 8px;\">15<\/td>\n<td style=\"border: 1px solid #333; padding: 8px;\">50<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #333; padding: 8px;\">20<\/td>\n<td style=\"border: 1px solid #333; padding: 8px;\">3\/4<\/td>\n<td style=\"border: 1px solid #333; padding: 8px;\">120<\/td>\n<td style=\"border: 1px solid #333; padding: 8px;\">16<\/td>\n<td style=\"border: 1px solid #333; padding: 8px;\">60<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #333; padding: 8px;\">25<\/td>\n<td style=\"border: 1px solid #333; padding: 8px;\">1<\/td>\n<td style=\"border: 1px solid #333; padding: 8px;\">130<\/td>\n<td style=\"border: 1px solid #333; padding: 8px;\">18<\/td>\n<td style=\"border: 1px solid #333; padding: 8px;\">68<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #333; padding: 8px;\">32<\/td>\n<td style=\"border: 1px solid #333; padding: 8px;\">1-1\/4<\/td>\n<td style=\"border: 1px solid #333; padding: 8px;\">150<\/td>\n<td style=\"border: 1px solid #333; padding: 8px;\">20<\/td>\n<td style=\"border: 1px solid #333; padding: 8px;\">82<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #333; padding: 8px;\">40<\/td>\n<td style=\"border: 1px solid #333; padding: 8px;\">1-1\/2<\/td>\n<td style=\"border: 1px solid #333; padding: 8px;\">170<\/td>\n<td style=\"border: 1px solid #333; padding: 8px;\">22<\/td>\n<td style=\"border: 1px solid #333; padding: 8px;\">95<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #333; padding: 8px;\">50<\/td>\n<td style=\"border: 1px solid #333; padding: 8px;\">2<\/td>\n<td style=\"border: 1px solid #333; padding: 8px;\">190<\/td>\n<td style=\"border: 1px solid #333; padding: 8px;\">25<\/td>\n<td style=\"border: 1px solid #333; padding: 8px;\">110<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Aplica\u00e7\u00f5es<\/h3>\n<p>As v\u00e1lvulas de agulha JST Classe 150-2500 s\u00e3o amplamente utilizadas nos setores do petr\u00f3leo e g\u00e1s, do processamento qu\u00edmico, em instala\u00e7\u00f5es petroqu\u00edmicas, centrais el\u00e9tricas, sistemas de instrumenta\u00e7\u00e3o, condutas de alta press\u00e3o e sistemas de controlo de fluidos industriais.<\/p>\n<h3>Servi\u00e7o personalizado<\/h3>\n<p>A JST Valve pode fornecer v\u00e1lvulas de agulha personalizadas de acordo com os requisitos do projeto, incluindo a sele\u00e7\u00e3o do material, a press\u00e3o nominal, o tipo de liga\u00e7\u00e3o, o material de veda\u00e7\u00e3o, o m\u00e9todo de funcionamento e as condi\u00e7\u00f5es de trabalho aplic\u00e1veis.<\/p>","protected":false},"excerpt":{"rendered":"<p><strong>V\u00e1lvula de agulha JST Classe 150-2500<\/strong> foi concebido para o controlo preciso do caudal em sistemas de condutas de alta press\u00e3o. Dispon\u00edvel em a\u00e7o inoxid\u00e1vel, a\u00e7o ao carbono e ligas de a\u00e7o, \u00e9 adequado para aplica\u00e7\u00f5es nos setores do petr\u00f3leo, g\u00e1s, qu\u00edmico, petroqu\u00edmico, centrais el\u00e9tricas e de fluidos industriais.<\/p>\n<ul>\n<li><strong>Tamanho:<\/strong> 1\/4\u201d\u20132\u201d<\/li>\n<li><strong>Press\u00e3o:<\/strong> Classe 150LB\u20132500LB<\/li>\n<li><strong>Material:<\/strong> CF8 \/ CF8M \/ CF3 \/ CF3M \/ A105 \/ LF2 \/ F304 \/ F316<\/li>\n<li><strong>Liga\u00e7\u00e3o:<\/strong> Roscado \/ Soldadura de topo \/ Soldadura por encaixe<\/li>\n<\/ul>","protected":false},"featured_media":1711,"comment_status":"open","ping_status":"closed","template":"","meta":{"_angie_page":false,"_eb_attr":"","ai_generated_summary":"","_kad_post_transparent":"default","_kad_post_title":"","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":""},"product_brand":[],"product_cat":[29],"product_tag":[],"class_list":["post-1705","product","type-product","status-publish","has-post-thumbnail","product_cat-needle-valve","first","instock","shipping-taxable","product-type-simple","entry","content-bg","loop-entry"],"_links":{"self":[{"href":"https:\/\/jstvalve.com\/pt\/wp-json\/wp\/v2\/product\/1705","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jstvalve.com\/pt\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/jstvalve.com\/pt\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/jstvalve.com\/pt\/wp-json\/wp\/v2\/comments?post=1705"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/jstvalve.com\/pt\/wp-json\/wp\/v2\/media\/1711"}],"wp:attachment":[{"href":"https:\/\/jstvalve.com\/pt\/wp-json\/wp\/v2\/media?parent=1705"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/jstvalve.com\/pt\/wp-json\/wp\/v2\/product_brand?post=1705"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/jstvalve.com\/pt\/wp-json\/wp\/v2\/product_cat?post=1705"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/jstvalve.com\/pt\/wp-json\/wp\/v2\/product_tag?post=1705"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}