{"id":7879,"date":"2024-03-26T00:32:21","date_gmt":"2024-03-25T23:32:21","guid":{"rendered":"https:\/\/rr-rieger.com\/ventile\/valvulas-de-escoamento-assetico-e8\/"},"modified":"2025-08-22T12:34:12","modified_gmt":"2025-08-22T10:34:12","slug":"valvulas-de-escoamento-assetico-e8","status":"publish","type":"ventile","link":"https:\/\/rr-rieger.com\/pt-pt\/ventile\/valvulas-de-escoamento-assetico-e8\/","title":{"rendered":"V\u00e1lvulas de descarga ass\u00e9pticas do tipo E8"},"template":"","meta":{"product_description":"<p>As v\u00e1lvulas de descarga RIEGER E8 s\u00e3o uma combina\u00e7\u00e3o de v\u00e1lvulas angulares e v\u00e1lvulas de descarga. Ao contr\u00e1rio de uma v\u00e1lvula de descarga, esta v\u00e1lvula abre a pedido com um curso at\u00e9 100%, como uma v\u00e1lvula angular. \u00c9 poss\u00edvel vedar as v\u00e1lvulas de descarga.<\/p>\n<p>Uma aplica\u00e7\u00e3o poss\u00edvel \u00e9 a prote\u00e7\u00e3o de bombas de alimenta\u00e7\u00e3o for\u00e7ada (por exemplo, bombas perist\u00e1lticas).<\/p>\n<p>A v\u00e1lvula de descarga E8 \u00e9 adequada para todos os meios l\u00edquidos.<\/p>\n<p><br>A<b>s v\u00e1lvulas de descarga n\u00e3o s\u00e3o v\u00e1lvulas de seguran\u00e7a,<\/b> pelo que recomendamos a<a href=\"https:\/\/rr-rieger.com\/ventile\/hygiene-sicherheitsventile-sh\/\" target=\"_blank\" rel=\"noopener\">v\u00e1lvula de seguran\u00e7a do tipo SHF<\/a> aprovada pela T\u00dcV para este efeito.<\/p>\n","technical_data":"<table border=\"0\" cellpadding=\"0\" align=\"center\">\n<tbody>\n<tr>\n<td><strong>Material<\/strong><\/td>\n<td colspan=\"2\"><br><br>em contacto com o produto opcional n\u00e3o em contacto com o produto<\/td>\n<td><br><br>1.4404\/AISI316L 1.4435\/AISI316L 1.4301\/AISI304<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td colspan=\"2\"><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td><strong>Veda\u00e7\u00f5es<\/strong><\/td>\n<td colspan=\"2\"><br>Fole de teflon O-rings\/vedantes<\/td>\n<td><br><br>PTFE EPDM (outros a pedido)<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td colspan=\"2\"><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td><strong>Temperaturas<\/strong><\/td>\n<td>m\u00e1xima<\/td>\n<td>EPDM<\/td>\n<td>PTFE<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>Temperatura de funcionamento cont\u00ednuo<\/p>\n<p><br>Temperatura de esteriliza\u00e7\u00e3o<\/td>\n<td>130 \u00b0C*<\/p>\n<p>150 \u00b0C*<\/td>\n<td>121 \u00b0C*<\/p>\n<p><br>135 \u00b0C* durante um curto per\u00edodo de tempo (aprox. 20 min)<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td><strong>Press\u00f5es<\/strong><\/td>\n<td colspan=\"2\">Press\u00e3o de regula\u00e7\u00e3o poss\u00edvel para a vers\u00e3o O-ring<\/td>\n<td>0,5 - 10 bar (press\u00f5es mais elevadas a pedido)<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td colspan=\"2\">Design do fole em PTFE<\/p>\n<p>A gama de press\u00e3o depende da mola instalada<\/td>\n<td>2 - 6 bar<\/p>\n<p>Especifica a press\u00e3o de regula\u00e7\u00e3o pretendida ao encomendar<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td colspan=\"2\">Controla a press\u00e3o do ar<\/td>\n<td>min. 6 bar - m\u00e1x. 10 barras<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<\/tr>\n<tr>\n<td><strong>Superf\u00edcies<\/strong><\/td>\n<td colspan=\"2\"><br>em contacto com o produto facultativo<\/p>\n<p>N\u00e3o est\u00e1 em contacto com o produto<\/td>\n<td><br><br>Ra \u2264 0,8 \u00b5m e-polido, outras superf\u00edcies a pedido Ra \u2264 1,6 \u00b5m<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td colspan=\"2\"><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td><strong><br><br>Liga\u00e7\u00f5es Standard - Classes de tubos<\/strong><\/td>\n<td colspan=\"3\"><br><br>DIN 11850-R2 (DIN 11866 A) O.D.-Tubo (DIN 11866 C) DIN EN ISO 1127 (DIN 11866-B)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u00a0<\/p>\n<div align=\"center\">  *Depende dos par\u00e2metros de funcionamento<\/div>\n","benefits":"<table border=\"0\" cellpadding=\"0\" align=\"center\">\n<tbody>\n<tr>\n<td valign=\"TOP\"><b>Estrutura da v\u00e1lvula<\/b><\/td>\n<td>Corpo s\u00f3lido da v\u00e1lvula<\/p>\n<p>N\u00e3o h\u00e1 espa\u00e7os mortos<\/p>\n<p>completamente inativo<\/p>\n<p>Possibilidade de v\u00e1rias posi\u00e7\u00f5es de instala\u00e7\u00e3o<\/td>\n<\/tr>\n<tr>\n<td valign=\"TOP\"><strong>Prote\u00e7\u00e3o absoluta do produto<\/strong><\/td>\n<td><\/p>\n<p>Separa\u00e7\u00e3o completa do ambiente sem c\u00e1rter, sem c\u00fapula<\/td>\n<\/tr>\n<tr>\n<td valign=\"TOP\"><b>Facilidade de servi\u00e7o<\/b><\/td>\n<td>Substitui\u00e7\u00e3o da junta sem ferramentas especiais<\/p>\n<p>Tempos de inatividade curtos<\/p>\n<p>Fole aparafusado<\/p>\n<p>Ideal para limpar<\/td>\n<\/tr>\n<tr>\n<td valign=\"TOP\"><b>Efici\u00eancia econ\u00f3mica<\/b><\/td>\n<td>Longa vida \u00fatil do fole de PTFE<\/p>\n<p>Veda\u00e7\u00f5es padr\u00e3o<\/p>\n<p>Custos de manuten\u00e7\u00e3o m\u00ednimos<\/td>\n<\/tr>\n<tr>\n<td valign=\"TOP\"><b>Certificados adicionais<\/b><\/td>\n<td>tamb\u00e9m poss\u00edvel na vers\u00e3o 3-A<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","electronic_feedback":"<table border=\"0\" cellpadding=\"0\" align=\"center\">\n<tbody>\n<tr>\n<td><br><br><br>Apenas um interrutor de proximidade com um di\u00e2metro m\u00e1ximo de 12 mm \u00e9 poss\u00edvel como feedback eletr\u00f3nico para a v\u00e1lvula de descarga E8. Este \u00e9 aparafusado ao suporte de montagem entre o corpo da v\u00e1lvula e o atuador. Normalmente n\u00e3o fornecemos este interrutor de proximidade.<\/p>\n<p><b>Outras solu\u00e7\u00f5es a pedido.<\/b><\/p>\n<p><img class=\"size-medium wp-image-1805 aligncenter\" src=\"https:\/\/rr-rieger.com\/wp-content\/uploads\/2024\/03\/aseptik-ueberstromventil-naeherungsinitiator-300x300.png\" alt=\"\" width=\"300\" height=\"300\"><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","special_alloys":"<p>Todas as v\u00e1lvulas est\u00e3o dispon\u00edveis em materiais especiais, tais como <b>Hastelloy\u00ae C-22, 1.4539\/904L, 1.4529, AL-6XN\u00ae <\/b>e <b>outros <\/b>.<\/p>\n<p><br><br>Contacta-nos diretamente:<a href=\"mailto:sales@rr-rieger.de\">sales@rr-rieger.de<\/a> Tel.: +49 7361 5702-0<\/p>\n","image":"1807","valve_category":"aseptic_valves"},"class_list":["post-7879","ventile","type-ventile","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>V\u00e1lvulas de descarga ass\u00e9pticas do tipo E8 | Rieger<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/rr-rieger.com\/pt-pt\/ventile\/valvulas-de-escoamento-assetico-e8\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"V\u00e1lvulas de descarga ass\u00e9pticas do tipo E8 | Rieger\" \/>\n<meta property=\"og:url\" content=\"https:\/\/rr-rieger.com\/pt-pt\/ventile\/valvulas-de-escoamento-assetico-e8\/\" \/>\n<meta property=\"og:site_name\" content=\"Rieger\" \/>\n<meta property=\"article:modified_time\" content=\"2025-08-22T10:34:12+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/rr-rieger.com\/wp-content\/uploads\/2024\/04\/ventilknoten-2.jpeg\" \/>\n\t<meta property=\"og:image:width\" content=\"400\" \/>\n\t<meta property=\"og:image:height\" content=\"266\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/rr-rieger.com\\\/pt-pt\\\/ventile\\\/valvulas-de-escoamento-assetico-e8\\\/\",\"url\":\"https:\\\/\\\/rr-rieger.com\\\/pt-pt\\\/ventile\\\/valvulas-de-escoamento-assetico-e8\\\/\",\"name\":\"V\u00e1lvulas de descarga ass\u00e9pticas do tipo E8 | Rieger\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/rr-rieger.com\\\/pt-pt\\\/#website\"},\"datePublished\":\"2024-03-25T23:32:21+00:00\",\"dateModified\":\"2025-08-22T10:34:12+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/rr-rieger.com\\\/pt-pt\\\/ventile\\\/valvulas-de-escoamento-assetico-e8\\\/#breadcrumb\"},\"inLanguage\":\"pt-PT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/rr-rieger.com\\\/pt-pt\\\/ventile\\\/valvulas-de-escoamento-assetico-e8\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/rr-rieger.com\\\/pt-pt\\\/ventile\\\/valvulas-de-escoamento-assetico-e8\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Startseite\",\"item\":\"https:\\\/\\\/rr-rieger.com\\\/pt-pt\\\/pagina-inicial\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Ventile\",\"item\":\"https:\\\/\\\/rr-rieger.com\\\/pt-pt\\\/ventile\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"V\u00e1lvulas de descarga ass\u00e9pticas do tipo E8\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/rr-rieger.com\\\/pt-pt\\\/#website\",\"url\":\"https:\\\/\\\/rr-rieger.com\\\/pt-pt\\\/\",\"name\":\"Rieger\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\\\/\\\/rr-rieger.com\\\/pt-pt\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/rr-rieger.com\\\/pt-pt\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"pt-PT\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/rr-rieger.com\\\/pt-pt\\\/#organization\",\"name\":\"Gebr. 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