{"id":8670,"date":"2025-03-31T11:25:35","date_gmt":"2025-03-31T03:25:35","guid":{"rendered":"http:\/\/www.zhengyuan-valve.com\/?p=8670"},"modified":"2025-03-31T11:25:35","modified_gmt":"2025-03-31T03:25:35","slug":"advertencia-de-linea-roja-para-la-instalacion-de-valvulas-revestidas-de-fluor","status":"publish","type":"post","link":"http:\/\/www.zhengyuan-valve.com\/?p=8670&lang=es","title":{"rendered":"\u00a1Advertencia de l\u00ednea roja para la instalaci\u00f3n de v\u00e1lvulas revestidas de fl\u00faor!"},"content":{"rendered":"<p>Las v\u00e1lvulas revestidas de fl\u00faor est\u00e1n hechas de fluoropl\u00e1sticos como el politetrafluoroetileno, y el cuerpo de la v\u00e1lvula est\u00e1 aislado de los medios corrosivos mediante tecnolog\u00eda de moldeo o incrustaci\u00f3n. Tambi\u00e9n existen diferencias en los materiales seleccionados para los distintos medios. Si se trata de un disolvente org\u00e1nico que contiene benceno, el revestimiento de PVDF est\u00e1 prohibido. Si se trata de \u00e1cido sulf\u00farico fumante, se recomienda material PCTFE.<br \/>\nAdem\u00e1s, \u00a1existen l\u00edneas rojas relevantes que se deben evitar al instalar v\u00e1lvulas revestidas de fl\u00faor!<br \/>\n1. Se proh\u00edbe la cocci\u00f3n a fuego de la superficie de sellado de la brida (a temperaturas superiores a 150 \u00b0C se producir\u00e1 la carbonizaci\u00f3n de los fluoropl\u00e1sticos).<br \/>\n2. El apriete de los pernos debe realizarse mediante presi\u00f3n progresiva diagonal (error \u2264 5 N\u00b7m)<br \/>\nCuando una v\u00e1lvula revestida de fl\u00faor presenta fugas repentinas, se debe inyectar nitr\u00f3geno l\u00edquido a tiempo para enfriar el \u00e1rea localmente, utilizando las caracter\u00edsticas de contracci\u00f3n de los fluoropl\u00e1sticos para lograr un sellado temporal.<\/p>\n<p><img decoding=\"async\" class=\"alignleft size-full wp-image-8666\" src=\"http:\/\/www.zhengyuan-valve.com\/wp-content\/uploads\/2025\/03\/255705c2b8114690b42fbb3e98db1f54-4.jpg\" alt=\"\" width=\"400\" height=\"400\" srcset=\"http:\/\/www.zhengyuan-valve.com\/wp-content\/uploads\/2025\/03\/255705c2b8114690b42fbb3e98db1f54-4-66x66.jpg 66w, http:\/\/www.zhengyuan-valve.com\/wp-content\/uploads\/2025\/03\/255705c2b8114690b42fbb3e98db1f54-4-150x150.jpg 150w, http:\/\/www.zhengyuan-valve.com\/wp-content\/uploads\/2025\/03\/255705c2b8114690b42fbb3e98db1f54-4-200x200.jpg 200w, http:\/\/www.zhengyuan-valve.com\/wp-content\/uploads\/2025\/03\/255705c2b8114690b42fbb3e98db1f54-4-300x300.jpg 300w, http:\/\/www.zhengyuan-valve.com\/wp-content\/uploads\/2025\/03\/255705c2b8114690b42fbb3e98db1f54-4.jpg 400w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Las v\u00e1lvul [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":8666,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[223],"tags":[875],"acf":[],"_links":{"self":[{"href":"http:\/\/www.zhengyuan-valve.com\/index.php?rest_route=\/wp\/v2\/posts\/8670"}],"collection":[{"href":"http:\/\/www.zhengyuan-valve.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.zhengyuan-valve.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.zhengyuan-valve.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.zhengyuan-valve.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=8670"}],"version-history":[{"count":1,"href":"http:\/\/www.zhengyuan-valve.com\/index.php?rest_route=\/wp\/v2\/posts\/8670\/revisions"}],"predecessor-version":[{"id":8671,"href":"http:\/\/www.zhengyuan-valve.com\/index.php?rest_route=\/wp\/v2\/posts\/8670\/revisions\/8671"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.zhengyuan-valve.com\/index.php?rest_route=\/wp\/v2\/media\/8666"}],"wp:attachment":[{"href":"http:\/\/www.zhengyuan-valve.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=8670"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.zhengyuan-valve.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=8670"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.zhengyuan-valve.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=8670"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}