{"id":577190,"date":"2026-04-09T08:40:36","date_gmt":"2026-04-09T06:40:36","guid":{"rendered":"https:\/\/www.processoverskott.se\/what-are-vacuum-rated-tanks\/"},"modified":"2026-06-05T12:23:10","modified_gmt":"2026-06-05T10:23:10","slug":"what-are-vacuum-rated-tanks","status":"publish","type":"post","link":"https:\/\/www.processoverskott.se\/en\/what-are-vacuum-rated-tanks\/","title":{"rendered":"What are vacuum rated tanks?"},"content":{"rendered":"<h2>Vacuum rated tanks for industrial processes<\/h2>\n<p>Vacuum rated tanks are designed to withstand negative pressure without deforming. Unlike standard tanks, these tanks are sized for vacuum conditions that may occur during emptying, cooling or internal process reactions. Process\u00f6verskott offers vacuum-rated tanks in stainless steel 304 and acid-resistant 316 in various designs for industrial processes in areas such as food, chemicals, pharmaceuticals and water treatment.<\/p>\n<h2>Function and structure<\/h2>\n<p>Vacuum rated tanks are reinforced to withstand negative pressure and reduce the risk of deformation.<\/p>\n<p>Common construction details:<\/p>\n<p>&#8211; Reinforced tank walls and bottoms<br \/>&#8211; Stabilizing rings and ribs<br \/>&#8211; Customized plate thickness depending on vacuum level<br \/>&#8211; Reinforced welds and connections<br \/>&#8211; Vacuum valves and pressure relief valves<br \/>&#8211; Possibility of agitators and internal process equipment<\/p>\n<h2>Materials and construction<\/h2>\n<p>Vacuum tanks are usually manufactured in:<\/p>\n<p>&#8211; 304 stainless steel for standard applications<br \/>&#8211; 316 or 316L acid-proof for more corrosive environments<\/p>\n<p>The choice of materials has an impact:<\/p>\n<p>&#8211; Corrosion resistance<br \/>&#8211; Resistance to vacuum and pressure variations<br \/>&#8211; Hygiene and cleanability<br \/>&#8211; Lifetime and maintenance needs<\/p>\n<p>Documentation linked to, for example, CE and PED may occur depending on the design and specification of the tank.<\/p>\n<h2>Pressurized and atmospheric solutions<\/h2>\n<p>Vacuum rated tanks are designed for negative pressure and are different from standard atmospheric storage tanks.<\/p>\n<p>In vacuum operation, tanks can be equipped with:<\/p>\n<p>&#8211; Vacuum valves<br \/>&#8211; Pressure relief valves<br \/>&#8211; Pressure monitoring<br \/>&#8211; Reinforced structures and fastenings<\/p>\n<p>The choice of tank type is based on process requirements, operating conditions and safety needs.<\/p>\n<h2>Applications in industry<\/h2>\n<p>&#8211; Food industry &#8211; vacuum processes and distillation<br \/>&#8211; Chemical industry &#8211; reactors and gas-emitting processes<br \/>&#8211; Pharmaceutical production &#8211; vacuum drying and filtration<br \/>&#8211; Water treatment &#8211; vacuum filtration and degassing<\/p>\n<h2>Technical options and equipment<\/h2>\n<p>&#8211; Vacuum gauges and pressure sensors<br \/>&#8211; Safety valves for overpressure and underpressure<br \/>&#8211; Inspection hatches and sample points<br \/>&#8211; Internal agitators and CIP systems<br \/>&#8211; Temperature jacketing and insulation<br \/>&#8211; PLC and SCADA integration<\/p>\n<h2>Volumes and capacity<\/h2>\n<p>Vacuum rated tanks come in many different sizes depending on the process and application.<\/p>\n<p>Sizing is influenced by, among other things:<\/p>\n<p>&#8211; Tank diameter and height<br \/>&#8211; Vacuum level and operating conditions<br \/>&#8211; Liquid properties<br \/>&#8211; Temperature and process requirements<br \/>&#8211; Possible internal components<\/p>\n<h2>Advantages of vacuum rated tanks<\/h2>\n<p>&#8211; Withstands negative pressure without deformation<br \/>&#8211; Adapted for industrial vacuum processes<br \/>&#8211; Hygienic solutions for sensitive processes<br \/>&#8211; High corrosion resistance and long service life<br \/>&#8211; Available as both new and used solutions<\/p>\n<h2>New and used vacuum tanks in stock<\/h2>\n<p>Process\u00f6verskott offers both new and used vacuum tanks in different sizes and designs.<\/p>\n<p>Inventory management may include:<\/p>\n<p>&#8211; Vertical and horizontal vacuum tanks<br \/>&#8211; Process tanks and storage tanks<br \/>&#8211; Tanks with agitators and CIP equipment<br \/>&#8211; Tanks with different materials and specifications<\/p>\n<p>Availability and documentation vary depending on the site and previous use.<\/p>\n<h2>Choosing the right vacuum tank<\/h2>\n<p>Vacuum tank selection is usually based on:<\/p>\n<p>&#8211; Vacuum level of the process<br \/>&#8211; Chemical properties of the liquid<br \/>&#8211; Temperature and hygiene requirements<br \/>&#8211; Volume and installation environment<br \/>&#8211; Documentation and certification requirements<\/p>\n<p>Correct sizing is important for safe operation and long service life.<\/p>\n<h2>Executive summary<\/h2>\n<p>Vacuum-rated tanks are used in industrial processes where negative pressure exists and where standard tanks are not sufficient. With the right design, choice of materials and construction, the tanks can be used in the food, chemical, pharmaceutical and water treatment industries. Process\u00f6verskott offers vacuum-rated tanks in stainless steel 304 and acid-proof 316 in several different designs depending on the process and application.<\/p>\n<h2>Frequently asked questions about vacuum rated tanks<\/h2>\n<h3>What is a vacuum rated tank?<\/h3>\n<p>A vacuum rated tank is designed to withstand negative pressure without deforming during operation.<\/p>\n<h3>What materials are used?<\/h3>\n<p>Common materials are 304 and 316 stainless steel and 316L depending on the chemical and hygienic requirements of the process.<\/p>\n<h3>Can vacuum tanks also withstand overpressure?<\/h3>\n<p>Some vacuum-rated tanks may also be designed for overpressure depending on the design and specification.<\/p>\n<h3>Are vacuum tanks available as second-hand?<\/h3>\n<p>Yes, vacuum rated tanks are available both new and used depending on stock status and application.<\/p>\n<h3>What safety devices are used?<\/h3>\n<p>Common safety features include vacuum valves, pressure relief valves, pressure transducers and vacuum gauges depending on the process and design.<\/p><\/p>\n\n<script type=\"application\/ld+json\">{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Vad \u00e4r vakuumklassade tankar?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Vakuumklassade tankar \u00e4r konstruerade f\u00f6r att motst\u00e5 undertryck utan deformation. De anv\u00e4nds vid processer som vakuumf\u00f6rpackning, vakuumfiltrering eller interna reaktioner. Process\u00f6verskott levererar CE-m\u00e4rkta rostfria vakuumtankar i AISI 304 och 316 med dokumenterad s\u00e4kerhet och h\u00e5llfasthet.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Vilka material anv\u00e4nds f\u00f6r vakuumklassade tankar?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Rostfritt st\u00e5l AISI 304, 316 och 316L anv\u00e4nds f\u00f6r att s\u00e4kerst\u00e4lla korrosionsbest\u00e4ndighet och h\u00e5llfasthet under vakuumf\u00f6rh\u00e5llanden. Pl\u00e5ttjocklek och svetsar dimensioneras enligt PED- och CE-krav.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Vilka volymer kan vakuumklassade tankar ha?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Vakuumklassade tankar finns i storlekar fr\u00e5n 100 liter upp till 250 000 liter. Dimensioneringen av pl\u00e5t och f\u00f6rst\u00e4rkningar avg\u00f6r tankens vakuumklass och s\u00e4kerst\u00e4ller stabilitet under drift.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Kan begagnade vakuumtank anv\u00e4ndas?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Ja, Process\u00f6verskott kontrollerar och certifierar begagnade vakuumklassade tankar. Dokumentation och CE-m\u00e4rkning garanterar att tanken uppfyller PED-krav och kan anv\u00e4ndas s\u00e4kert i industriella processer.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Vilka s\u00e4kerhetsanordningar kr\u00e4vs?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Vakuumklassade tankar ska ha s\u00e4kerhetsventiler, vakuumm\u00e4tare och \u00f6vertrycksventiler. Dessa skyddar tanken vid extrema processf\u00f6rh\u00e5llanden och s\u00e4kerst\u00e4ller att konstruktionen inte deformeras eller skadas.\"\n      }\n    }\n  ]\n}\n<\/script>\n","protected":false},"excerpt":{"rendered":"<p>Vacuum rated tanks for industrial processes Vacuum rated tanks are designed to withstand negative pressure without deforming. Unlike standard tanks, these tanks are sized for vacuum conditions that may occur during emptying, cooling or internal process reactions. Process\u00f6verskott offers vacuum-rated tanks in stainless steel 304 and acid-resistant 316 in various designs for industrial processes in [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":577199,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[30554,30563],"tags":[],"class_list":["post-577190","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-faq","category-pressure-security","entry","has-media","owp-thumbs-layout-horizontal","owp-btn-normal","owp-tabs-layout-horizontal","has-no-thumbnails","has-product-nav"],"_links":{"self":[{"href":"https:\/\/www.processoverskott.se\/en\/wp-json\/wp\/v2\/posts\/577190","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.processoverskott.se\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.processoverskott.se\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.processoverskott.se\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.processoverskott.se\/en\/wp-json\/wp\/v2\/comments?post=577190"}],"version-history":[{"count":4,"href":"https:\/\/www.processoverskott.se\/en\/wp-json\/wp\/v2\/posts\/577190\/revisions"}],"predecessor-version":[{"id":700832,"href":"https:\/\/www.processoverskott.se\/en\/wp-json\/wp\/v2\/posts\/577190\/revisions\/700832"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.processoverskott.se\/en\/wp-json\/wp\/v2\/media\/577199"}],"wp:attachment":[{"href":"https:\/\/www.processoverskott.se\/en\/wp-json\/wp\/v2\/media?parent=577190"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.processoverskott.se\/en\/wp-json\/wp\/v2\/categories?post=577190"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.processoverskott.se\/en\/wp-json\/wp\/v2\/tags?post=577190"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}