{"id":5301,"date":"2024-03-25T22:43:12","date_gmt":"2024-03-25T21:43:12","guid":{"rendered":"https:\/\/rr-rieger.com\/ventile\/hygienic-overflow-valves-type-ues\/"},"modified":"2026-08-31T12:58:05","modified_gmt":"2026-08-31T10:58:05","slug":"hygiene-overflow-valves-type-ues","status":"publish","type":"ventile","link":"https:\/\/rr-rieger.com\/en\/valves\/hygiene-overflow-valves-type-ues\/","title":{"rendered":"Hygienic overflow valves type \u00dcS"},"template":"","meta":{"product_description":"

RIEGER \u00dcS relief valves open at the set response pressure, thereby preventing unwanted overpressures in piping systems. They are available with welded ends as well as with dairy pipe fittings or clamp connections.One possible application is to protect positive displacement pumps (e.g., peristaltic pumps). <\/p>\n

The \u00dcS overflow valve is suitable for all liquid media.<\/p>\n

Overflow valves are not safety valves.<\/b>We recommend the T\u00dcV-approved safety valve type SHF<\/a> for this purpose.<\/p>\n","technical_data":"

\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Material<\/strong><\/td>\nin contact with the productoptionalnot in contact with the product<\/td>\n1.4404\/AISI316L1.4435\/AISI316L1.4301\/AISI304<\/td>\n<\/tr>\n
<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
Seals<\/strong><\/td>\nO-rings\/Seals<\/td>\nEPDM, FKM e (others available upon request)<\/td>\n<\/tr>\n
<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
Temperatures<\/strong><\/td>\nmaximum<\/td>\n<\/td>\nEPDM<\/td>\n<\/tr>\n
<\/td>\nContinuous operating temperature<\/p>\n

Sterilization temperature<\/td>\n

<\/td>\n130 \u00b0C*<\/p>\n

150 \u00b0C*for a short time (about 20 min.)<\/td>\n<\/tr>\n

<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
Adjustment Range of theValve<\/strong><\/td>\nPlease specify the set point:, since a single spring cannot cover the entire adjustment range.<\/td>\n1.5 bar \u2013 6 bar<\/p>\n

higher pressuresupon request<\/td>\n<\/tr>\n

Compression Spring Adjustment Range<\/b><\/td>\nDepending on customer requirements, in the loweror upper pressure range<\/td>\n<\/tr>\n
<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
Surfaces<\/strong><\/td>\nin contact with the productoptional<\/p>\n

not in contact with the product<\/td>\n

Ra \u2264 0.8 \u00b5me-polished, other surfaces on requestRa \u2264 1.6 \u00b5m<\/td>\n<\/tr>\n
<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
ConnectionsStandard-Pipe classes<\/strong><\/td>\nDIN 11850-R2 (DIN 11866 A)O.D. Tube (DIN 11866 C)Clamp Fittings in DIN and Inches<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
*dependent on operating parameters<\/div>\n<\/div>\n<\/div>\n","benefits":"\n\n\n\n\n\n
Structure of the valve<\/b><\/td>\nSolid valve body<\/p>\n

No dead spaces<\/p>\n

completely idle<\/p>\n

Many installation positions possible<\/td>\n<\/tr>\n

Absolute product protection<\/strong><\/td>\nComplete separation from the environment<\/p>\n

no sump, no dome<\/td>\n<\/tr>\n

Service friendliness<\/b><\/td>\nGasket replacement without special tools<\/p>\n

Short downtimes<\/p>\n

Optimal to clean<\/td>\n<\/tr>\n

Economic efficiency<\/b><\/td>\nStandard seals<\/p>\n

Minimal maintenance costs<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","electronic_feedback":"

Not available for this article.<\/p>\n","special_alloys":"

All valves are available in special materials such as Hastelloy\u00ae C-22, 1.4539\/904L, 1.4529, AL-6XN\u00ae <\/b>and others <\/b>.<\/p>\n

Please contact us directly:sales@rr-rieger.de<\/a>Tel.: +49 7361 5702-0<\/p>\n","image":"1763","valve_category":"hygienic_valves"},"class_list":["post-5301","ventile","type-ventile","status-publish","hentry"],"yoast_head":"\nHygienic overflow valves type \u00dcS | 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-overflow-valves-type-ues\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Hygienic overflow valves type \u00dcS | Rieger\" \/>\n<meta property=\"og:url\" content=\"https:\/\/rr-rieger.com\/en\/valves\/hygiene-overflow-valves-type-ues\/\" \/>\n<meta property=\"og:site_name\" content=\"Rieger\" \/>\n<meta property=\"article:modified_time\" content=\"2026-08-31T10:58:05+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-overflow-valves-type-ues\\\/\",\"url\":\"https:\\\/\\\/rr-rieger.com\\\/en\\\/valves\\\/hygiene-overflow-valves-type-ues\\\/\",\"name\":\"Hygienic overflow valves type \u00dcS | Rieger\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/rr-rieger.com\\\/en\\\/#website\"},\"datePublished\":\"2024-03-25T21:43:12+00:00\",\"dateModified\":\"2026-08-31T10:58:05+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/rr-rieger.com\\\/en\\\/valves\\\/hygiene-overflow-valves-type-ues\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/rr-rieger.com\\\/en\\\/valves\\\/hygiene-overflow-valves-type-ues\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/rr-rieger.com\\\/en\\\/valves\\\/hygiene-overflow-valves-type-ues\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Startseite\",\"item\":\"https:\\\/\\\/rr-rieger.com\\\/en\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Ventile\",\"item\":\"https:\\\/\\\/rr-rieger.com\\\/en\\\/valves\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Hygienic overflow valves type \u00dcS\"}]},{\"@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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