{"id":721,"date":"2026-03-25T06:00:51","date_gmt":"2026-03-25T06:00:51","guid":{"rendered":"https:\/\/jstvalve.com\/?post_type=product&#038;p=721"},"modified":"2026-03-30T03:02:05","modified_gmt":"2026-03-30T03:02:05","slug":"super-austenitic-check-valve","status":"publish","type":"product","link":"https:\/\/jstvalve.com\/pt\/produto\/super-austenitic-check-valve\/","title":{"rendered":"V\u00e1lvulas de reten\u00e7\u00e3o super austen\u00edticas"},"content":{"rendered":"<hr \/>\n<h6>Tipo de v\u00e1lvula de reten\u00e7\u00e3o super austen\u00edtica<\/h6>\n<h6>V\u00e1lvula de reten\u00e7\u00e3o oscilante<\/h6>\n<p>Projeto API594\/BS1868 para v\u00e1lvula de reten\u00e7\u00e3o oscilante de a\u00e7o fundido.<\/p>\n<ul class=\"list-paddingleft-2\">\n<li>Tipo de tampa aparafusada.<\/li>\n<li>Liga\u00e7\u00f5es de extremidade: Flange RF, RTJ, soldadura de topo s\u00e3o todas unidades padr\u00e3o<\/li>\n<\/ul>\n<hr \/>\n<h6>V\u00e1lvula de reten\u00e7\u00e3o de placa dupla<\/h6>\n<ul class=\"list-paddingleft-2\">\n<li>Os pinos de bloqueio evitam o curso excessivo de um disco<\/li>\n<li>Assentos resilientes ou met\u00e1licos: os assentos resilientes em EPDM, NBR ou FKM asseguram uma veda\u00e7\u00e3o estanque a bolhas que cumpre ou excede os requisitos do ensaio API 598. Assentos met\u00e1licos lapidados ou excedem os requisitos do ensaio API598<\/li>\n<li>Design de gancho de parafuso de olho no tamanho \u22654 \u2033, f\u00e1cil para instala\u00e7\u00e3o no local<\/li>\n<li>Eficiente em termos de custos, o custo seria inferior ao das v\u00e1lvulas de reten\u00e7\u00e3o do tipo oscilante, com a mesma opera\u00e7\u00e3o funcional.<\/li>\n<li>Diversidade de tipos de liga\u00e7\u00e3o de acordo com as normas internacionais, em fun\u00e7\u00e3o dos clientes.<\/li>\n<li>Norma de projeto ou de fabricante API594<\/li>\n<\/ul>\n<p>Outros tipos: V\u00e1lvula de reten\u00e7\u00e3o de bocal, v\u00e1lvula de reten\u00e7\u00e3o de placa \u00fanica, v\u00e1lvula de reten\u00e7\u00e3o de tipo elevador<\/p>\n<hr \/>\n<h6>Meio aplic\u00e1vel das v\u00e1lvulas de reten\u00e7\u00e3o superausten\u00edticas<\/h6>\n<p>\u00c1gua do mar, \u00e1cido sulf\u00farico e \u00e1cido fosf\u00f3rico<\/p>\n<hr \/>\n<h6>Aplica\u00e7\u00e3o aplic\u00e1vel da V\u00e1lvula de reten\u00e7\u00e3o superausten\u00edtica<\/h6>\n<p>Petroqu\u00edmica, limpeza ambiental e marinha<\/p>","protected":false},"excerpt":{"rendered":"<p>Os a\u00e7os super austen\u00edticos s\u00e3o amagn\u00e9ticos e apresentam boa soldabilidade e excelente formabilidade.<\/p>\n<p>Os a\u00e7os inoxid\u00e1veis ferro-n\u00edquel-cr\u00f3mio altamente ligados, contendo molibd\u00e9nio, foram desenvolvidos para responder a especifica\u00e7\u00f5es de corros\u00e3o severas.<\/p>\n<p>Os a\u00e7os inoxid\u00e1veis super austen\u00edticos apresentam uma grande resist\u00eancia \u00e0 corros\u00e3o por pites e fendas de cloreto devido ao elevado teor de molibd\u00e9nio (&gt;6%) e \u00e0s adi\u00e7\u00f5es de azoto, e o teor de n\u00edquel mais elevado garante uma melhor resist\u00eancia \u00e0 fissura\u00e7\u00e3o por corros\u00e3o sob tens\u00e3o em compara\u00e7\u00e3o com a s\u00e9rie 300. Estes a\u00e7os aproximam-se do desempenho das ligas \u00e0 base de n\u00edquel altamente resistentes \u00e0 corros\u00e3o a um custo significativamente inferior.<\/p>","protected":false},"featured_media":735,"comment_status":"open","ping_status":"closed","template":"","meta":{"_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":[30],"product_tag":[],"class_list":{"0":"post-721","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-check-valve","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple","12":"entry","13":"content-bg","14":"loop-entry"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.7 (Yoast SEO v27.2) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Super Austenitic Check Valve for Seawater, Acid &amp; Marine Applications | API 594<\/title>\n<meta name=\"description\" content=\"Super Austenitic Check Valves in swing, dual plate, nozzle and lift types. 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