{"id":5223,"date":"2024-03-25T21:27:06","date_gmt":"2024-03-25T20:27:06","guid":{"rendered":"https:\/\/rr-rieger.com\/ventile\/hygienic-double-seat-diverter-valves-n3\/"},"modified":"2025-12-22T14:42:07","modified_gmt":"2025-12-22T13:42:07","slug":"hygiene-doppelsitz-umstellventile-n3","status":"publish","type":"ventile","link":"https:\/\/rr-rieger.com\/en\/valves\/hygiene-doppelsitz-umstellventile-n3\/","title":{"rendered":"Hygienic double-seat diverter valves N3"},"template":"","meta":{"product_description":"<p>Certified in accordance with the type test based on the \"Kiel guideline\"<a href=\"https:\/\/rr-rieger.com\/wp-content\/uploads\/2024\/03\/Zertifikat-Hygiene-Doppelsitz-Umstellventil-N3.pdf\" target=\"_blank\" rel=\"noopener\">(to the certificate<\/a>).<\/p>\n<p>Our valves are tested by the Technical University of Munich (TUM) Weihenstephan for tightness and ease of cleaning and maintenance. Cleaning the valves on site is very easy and assembly and disassembly can be carried out without any special tools.<\/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\">in contact with the product<br>optional<br>not in contact with the product<\/td>\n<td>1.4404\/AISI316L<br>1.4435\/AISI316L<br>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>Seals<\/strong><\/td>\n<td colspan=\"2\">O-rings\/seals<\/td>\n<td>EPDM<br>(others on request)<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td colspan=\"2\"><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td><strong>Temperatures<\/strong><\/td>\n<td>maximum<\/td>\n<td><\/td>\n<td>EPDM<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>Continuous operating temperature<br>Sterilization temperature<\/td>\n<td><\/td>\n<td>130 \u00b0C*<br>150 \u00b0C* for a short time<br>(approx. 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<\/strong><\/td>\n<td colspan=\"2\">Closing pressure<\/p>\n<p>Control air pressure<\/td>\n<td>max. 10 bar<\/p>\n<p>min 6 bar -<br>max. 10 bar<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td colspan=\"2\"><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td><strong>Surfaces<\/strong><\/td>\n<td colspan=\"2\">in contact with the product<br>optional<\/p>\n<p>not in contact with the product<\/td>\n<td>Ra \u2264 0.8 \u00b5m<br>e-polished, other surfaces on request<br>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>Connections<br>Standard-<br>Pipe classes<\/strong><\/td>\n<td colspan=\"3\">DIN 11850-R2 (DIN 11866 A)<br>O.D.-Tube (DIN 11866 C)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div align=\"center\">  *dependent on operating parameters<\/div>\n","benefits":"<ul>\n<li>One-piece solid valve housing<\/li>\n<li>No welding distortion in the product space<\/li>\n<li>Pressure shock resistant up to 30 bar<\/li>\n<li>Balanced valve discs<\/li>\n<li>Low control air requirement<\/li>\n<li>lightweight: DN 100 only 35 kg<\/li>\n<li>Standard actuator with three lifting functions<br>(open, clock up, clock down)<\/li>\n<li>Annealing of both plates - easy cleaning<\/li>\n<li>Service possible without compressed air<\/li>\n<li>Valve insert can be removed upwards<\/li>\n<li>Radial sealing of both valve seats<\/li>\n<li>Only 4 seals in the product compartment<\/li>\n<li>Gasket replacement without special tools<\/li>\n<li>product-contacted stainless steel 316L<\/li>\n<li>Inner surface Ra \u2264 0.8 m (standard)<\/li>\n<li>Also available in 3A version<\/li>\n<\/ul>\n<p><b>Nominal widths:<\/b><\/p>\n<ul>\n<li>DN 25 - DN 200<\/li>\n<li>1\" - 8\"<\/li>\n<\/ul>\n","electronic_feedback":"<p><img class=\"alignnone size-medium wp-image-970\" src=\"https:\/\/rr-rieger.com\/wp-content\/uploads\/2024\/03\/rr-rieger-flowstar-logo-300x84.png\" alt=\"\" width=\"300\" height=\"84\"><\/p>\n<p><b>The control head from Rieger was developed in collaboration between AWH and Rieger together with B\u00fcrkert.<br>Rieger thus offers you a tailor-made solution for your in-house hygienic and aseptic process valves, enabling them to be used even more efficiently and accurately.<\/b><\/p>\n<p><b>NON-CONTACT INDUCTIVE VALVE POSITION DETECTION (TEACH FUNCTION)<\/b><\/p>\n<ul>\n<li>Colored illuminated status display<\/li>\n<li>Integrated control air routing in the drive<\/li>\n<li>Fieldbus interface AS-Interface, DeviceNet, IO-Link or B\u00fcrkert system bus (b\u00fcS)<\/li>\n<li>with ATEX option:<br>Ex II 3 G Ex ec IIC T4 Gc X<br>Ex II 3 D Ex tc IIIC T135\u00b0C Dc X<\/li>\n<\/ul>\n<p>The FlowStar is available in 24 V DC, AS-I bus, IO-Link (Port Class A) or Ethernet IP versions.<br>All versions are available as the following alternative:<\/p>\n<ul>\n<li>3 solenoid valves, 3 internal switching points + 1 output for ext. Switching point via Ini<\/li>\n<\/ul>\n<p>Mounting kit integrated in the control head - no separate mounting kit required. Exception for LCV valves, ESV valves.<\/p>\n","special_alloys":"<p>All valves are available in special materials such as <b>Hastelloy\u00ae C-22, 1.4539\/904L, 1.4529, AL-6XN\u00ae <\/b>and <b>others <\/b>.<\/p>\n<p>Please contact us directly:<br><a href=\"mailto:sales@rr-rieger.de\">sales@rr-rieger.de<\/a><br>Tel.: +49 7361 5702-0<\/p>\n","image":"1640","valve_category":"hygienic_valves"},"class_list":["post-5223","ventile","type-ventile","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Hygienic double-seat diverter valves N3 | 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\/en\/valves\/hygiene-doppelsitz-umstellventile-n3\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Hygienic double-seat diverter valves N3 | Rieger\" \/>\n<meta property=\"og:url\" content=\"https:\/\/rr-rieger.com\/en\/valves\/hygiene-doppelsitz-umstellventile-n3\/\" \/>\n<meta property=\"og:site_name\" content=\"Rieger\" \/>\n<meta property=\"article:modified_time\" content=\"2025-12-22T13:42:07+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\\\/en\\\/valves\\\/hygiene-doppelsitz-umstellventile-n3\\\/\",\"url\":\"https:\\\/\\\/rr-rieger.com\\\/en\\\/valves\\\/hygiene-doppelsitz-umstellventile-n3\\\/\",\"name\":\"Hygienic double-seat diverter valves N3 | Rieger\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/rr-rieger.com\\\/en\\\/#website\"},\"datePublished\":\"2024-03-25T20:27:06+00:00\",\"dateModified\":\"2025-12-22T13:42:07+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/rr-rieger.com\\\/en\\\/valves\\\/hygiene-doppelsitz-umstellventile-n3\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/rr-rieger.com\\\/en\\\/valves\\\/hygiene-doppelsitz-umstellventile-n3\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/rr-rieger.com\\\/en\\\/valves\\\/hygiene-doppelsitz-umstellventile-n3\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Startseite\",\"item\":\"https:\\\/\\\/rr-rieger.com\\\/en\\\/home-page\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Ventile\",\"item\":\"https:\\\/\\\/rr-rieger.com\\\/en\\\/valves\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Hygienic double-seat diverter valves N3\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/rr-rieger.com\\\/en\\\/#website\",\"url\":\"https:\\\/\\\/rr-rieger.com\\\/en\\\/\",\"name\":\"Rieger\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\\\/\\\/rr-rieger.com\\\/en\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/rr-rieger.com\\\/en\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/rr-rieger.com\\\/en\\\/#organization\",\"name\":\"Gebr. 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