{"id":14473,"date":"2025-10-21T06:21:44","date_gmt":"2025-10-21T06:21:44","guid":{"rendered":"https:\/\/www.alflow.dk\/?post_type=ordbog&#038;p=14473"},"modified":"2025-11-04T08:47:45","modified_gmt":"2025-11-04T08:47:45","slug":"ra","status":"publish","type":"ordbog","link":"https:\/\/www.alflow.dk\/en\/ordbog\/ra\/","title":{"rendered":"Ra"},"content":{"rendered":"<table border=\"0\" width=\"269\" cellspacing=\"0\" cellpadding=\"0\">\n<colgroup>\n<col width=\"269\" \/><\/colgroup>\n<tbody>\n<tr>\n<td class=\"xl66\" width=\"269\" height=\"159\">Ra (Roughness Average) is a measure of surface roughness and is used to describe how smooth a surface is - for example in pipes and valves. In hygienic applications, Ra &lt; 0.8 \u00b5m is typically standard to ensure easy cleaning and minimise bacterial growth.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>","protected":false},"template":"","class_list":["post-14473","ordbog","type-ordbog","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Ra - Alflow<\/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:\/\/www.alflow.dk\/en\/dictionary\/ra\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ra - Alflow\" \/>\n<meta property=\"og:description\" content=\"Ra (Roughness Average) er en m\u00e5leenhed for overfladeruhed og bruges til at beskrive, hvor glat en overflade er \u2013 fx i r\u00f8r og ventiler. I hygiejniske applikationer er Ra &lt; 0,8 \u00b5m typisk standard for at sikre nem reng\u00f8ring og minimere bakteriev\u00e6kst.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.alflow.dk\/en\/dictionary\/ra\/\" \/>\n<meta property=\"og:site_name\" content=\"Alflow\" \/>\n<meta property=\"article:modified_time\" content=\"2025-11-04T08:47:45+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Estimated reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.alflow.dk\\\/ordbog\\\/ra\\\/\",\"url\":\"https:\\\/\\\/www.alflow.dk\\\/ordbog\\\/ra\\\/\",\"name\":\"Ra - Alflow\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.alflow.se\\\/#website\"},\"datePublished\":\"2025-10-21T06:21:44+00:00\",\"dateModified\":\"2025-11-04T08:47:45+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.alflow.dk\\\/ordbog\\\/ra\\\/#breadcrumb\"},\"inLanguage\":\"en-GB\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.alflow.dk\\\/ordbog\\\/ra\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.alflow.dk\\\/ordbog\\\/ra\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home \\\/\",\"item\":\"https:\\\/\\\/www.alflow.dk\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Ra\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.alflow.se\\\/#website\",\"url\":\"https:\\\/\\\/www.alflow.se\\\/\",\"name\":\"Alflow\",\"description\":\"Flow der g\u00f8r en forskel\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.alflow.se\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.alflow.se\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-GB\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.alflow.se\\\/#organization\",\"name\":\"Alflow\",\"url\":\"https:\\\/\\\/www.alflow.se\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-GB\",\"@id\":\"https:\\\/\\\/www.alflow.se\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/www.alflow.dk\\\/wp-content\\\/uploads\\\/2025\\\/07\\\/alflow_pos_pms_web.png\",\"contentUrl\":\"https:\\\/\\\/www.alflow.dk\\\/wp-content\\\/uploads\\\/2025\\\/07\\\/alflow_pos_pms_web.png\",\"width\":250,\"height\":42,\"caption\":\"Alflow\"},\"image\":{\"@id\":\"https:\\\/\\\/www.alflow.se\\\/#\\\/schema\\\/logo\\\/image\\\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Ra - Alflow","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.alflow.dk\/en\/dictionary\/ra\/","og_locale":"en_GB","og_type":"article","og_title":"Ra - Alflow","og_description":"Ra (Roughness Average) er en m\u00e5leenhed for overfladeruhed og bruges til at beskrive, hvor glat en overflade er \u2013 fx i r\u00f8r og ventiler. I hygiejniske applikationer er Ra &lt; 0,8 \u00b5m typisk standard for at sikre nem reng\u00f8ring og minimere bakteriev\u00e6kst.","og_url":"https:\/\/www.alflow.dk\/en\/dictionary\/ra\/","og_site_name":"Alflow","article_modified_time":"2025-11-04T08:47:45+00:00","twitter_card":"summary_large_image","twitter_misc":{"Estimated reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.alflow.dk\/ordbog\/ra\/","url":"https:\/\/www.alflow.dk\/ordbog\/ra\/","name":"Ra - Alflow","isPartOf":{"@id":"https:\/\/www.alflow.se\/#website"},"datePublished":"2025-10-21T06:21:44+00:00","dateModified":"2025-11-04T08:47:45+00:00","breadcrumb":{"@id":"https:\/\/www.alflow.dk\/ordbog\/ra\/#breadcrumb"},"inLanguage":"en-GB","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.alflow.dk\/ordbog\/ra\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.alflow.dk\/ordbog\/ra\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home \/","item":"https:\/\/www.alflow.dk\/"},{"@type":"ListItem","position":2,"name":"Ra"}]},{"@type":"WebSite","@id":"https:\/\/www.alflow.se\/#website","url":"https:\/\/www.alflow.se\/","name":"Alflow","description":"Flow that makes a difference","publisher":{"@id":"https:\/\/www.alflow.se\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.alflow.se\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-GB"},{"@type":"Organization","@id":"https:\/\/www.alflow.se\/#organization","name":"Alflow","url":"https:\/\/www.alflow.se\/","logo":{"@type":"ImageObject","inLanguage":"en-GB","@id":"https:\/\/www.alflow.se\/#\/schema\/logo\/image\/","url":"https:\/\/www.alflow.dk\/wp-content\/uploads\/2025\/07\/alflow_pos_pms_web.png","contentUrl":"https:\/\/www.alflow.dk\/wp-content\/uploads\/2025\/07\/alflow_pos_pms_web.png","width":250,"height":42,"caption":"Alflow"},"image":{"@id":"https:\/\/www.alflow.se\/#\/schema\/logo\/image\/"}}]}},"_links":{"self":[{"href":"https:\/\/www.alflow.dk\/en\/wp-json\/wp\/v2\/ordbog\/14473","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.alflow.dk\/en\/wp-json\/wp\/v2\/ordbog"}],"about":[{"href":"https:\/\/www.alflow.dk\/en\/wp-json\/wp\/v2\/types\/ordbog"}],"wp:attachment":[{"href":"https:\/\/www.alflow.dk\/en\/wp-json\/wp\/v2\/media?parent=14473"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}