{"id":669,"date":"2026-03-25T06:00:40","date_gmt":"2026-03-25T06:00:40","guid":{"rendered":"https:\/\/jstvalve.com\/?post_type=product&#038;p=669"},"modified":"2026-03-30T05:50:21","modified_gmt":"2026-03-30T05:50:21","slug":"tantalum-gate-valves","status":"publish","type":"product","link":"https:\/\/jstvalve.com\/pt\/product\/tantalum-gate-valves\/","title":{"rendered":"V\u00e1lvulas de gaveta de t\u00e2ntalo"},"content":{"rendered":"<hr \/>\n<h6>Carater\u00edsticas das v\u00e1lvulas de gaveta de t\u00e2ntalo<\/h6>\n<p>Sendo o metal mais resistente \u00e0 corros\u00e3o de uso corrente, muito semelhante ao vidro, o t\u00e2ntalo \u00e9 inerte em rela\u00e7\u00e3o a praticamente todos os compostos org\u00e2nicos e inorg\u00e2nicos, mas n\u00e3o \u00e9 adequado para utiliza\u00e7\u00e3o em \u00e1cido fluor\u00eddrico e em aplica\u00e7\u00f5es de \u00e1lcalis quentes fortes. O t\u00e2ntalo \u00e9 inerte ao \u00e1cido sulf\u00farico e clor\u00eddrico em todas as concentra\u00e7\u00f5es inferiores a 300\u00b0F. O ataque at\u00e9 400\u00b0F n\u00e3o \u00e9 significativo e o t\u00e2ntalo \u00e9 de uso comum at\u00e9 500\u00b0F. O t\u00e2ntalo n\u00e3o \u00e9 atacado pelo \u00e1cido n\u00edtrico em concentra\u00e7\u00f5es at\u00e9 98% e temperaturas at\u00e9, pelo menos, 212\u00b0F.<\/p>\n<hr \/>\n<h6>Aplica\u00e7\u00e3o de v\u00e1lvulas de gaveta de t\u00e2ntalo<\/h6>\n<ul class=\"list-paddingleft-2\">\n<li>Ind\u00fastria qu\u00edmica do carv\u00e3o<\/li>\n<li>Ind\u00fastria petroqu\u00edmica<\/li>\n<li>Fabrico de borracha e papel e farm\u00e1cia<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Com excelentes propriedades qu\u00edmicas e elevada resist\u00eancia \u00e0 corros\u00e3o, as v\u00e1lvulas de t\u00e2ntalo n\u00e3o reagem ao \u00e1cido clor\u00eddrico, ao \u00e1cido n\u00edtrico concentrado e \u00e0 \u00e1gua r\u00e9gia em condi\u00e7\u00f5es de frio e calor, e n\u00e3o ser\u00e3o corro\u00eddas pelo \u00e1cido sulf\u00farico concentrado a uma temperatura inferior a 150\u00b0C.<\/p>\n<p>A v\u00e1lvula de t\u00e2ntalo \u00e9 cada vez mais utilizada devido \u00e0 sua reduzida corros\u00e3o e longa dura\u00e7\u00e3o em ambientes fortemente corrosivos.<\/p>","protected":false},"featured_media":714,"comment_status":"open","ping_status":"closed","template":"","meta":{"_angie_page":false,"_eb_attr":"","_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":[28],"product_tag":[],"class_list":["post-669","product","type-product","status-publish","has-post-thumbnail","product_cat-gate-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\/669","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=669"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/jstvalve.com\/pt\/wp-json\/wp\/v2\/media\/714"}],"wp:attachment":[{"href":"https:\/\/jstvalve.com\/pt\/wp-json\/wp\/v2\/media?parent=669"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/jstvalve.com\/pt\/wp-json\/wp\/v2\/product_brand?post=669"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/jstvalve.com\/pt\/wp-json\/wp\/v2\/product_cat?post=669"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/jstvalve.com\/pt\/wp-json\/wp\/v2\/product_tag?post=669"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}