{"id":4036,"date":"2022-08-27T14:42:16","date_gmt":"2022-08-27T06:42:16","guid":{"rendered":"https:\/\/limegreen-okapi-448594.hostingersite.com\/?page_id=4036"},"modified":"2026-07-27T18:14:29","modified_gmt":"2026-07-27T10:14:29","slug":"german-standard","status":"publish","type":"page","link":"https:\/\/raymonvalve.com\/ar\/german-standard\/","title":{"rendered":"\u062f\u0644\u064a\u0644 \u0645\u0639\u0627\u064a\u064a\u0631 \u0635\u0645\u0627\u0645\u0627\u062a DIN \u0648 EN \u0648 ISO"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"4036\" class=\"elementor elementor-4036\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-580dab13 e-con-full e-flex e-con e-parent\" data-id=\"580dab13\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-740019ee elementor-widget elementor-widget-html\" data-id=\"740019ee\" data-element_type=\"widget\" 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.rv-actions{margin-top:22px}}.rv-topicgrid,.rv-routegrid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:30px}.rv-topic,.rv-route{padding:22px;border:1px solid var(--rv-line);border-radius:12px;background:#fff}.rv-topic b,.rv-route b{display:block;color:var(--rv-blue);margin-bottom:7px}.rv-topic p,.rv-route p{margin:0;color:#667085;font-size:14px}.rv-limitgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:30px}.rv-limit{padding:24px;border-radius:12px;background:#fff;color:#26344d}.rv-limit h3{margin:0 0 10px;color:#1f29bd;font-size:19px}.rv-limit p{margin:0;font-size:14px}.rv-trust{padding:26px;border:1px solid var(--rv-line);border-left:5px solid var(--rv-blue);border-radius:10px;background:#f8faff}.rv-trustgrid{display:grid;grid-template-columns:1fr 1fr;gap:18px 30px}.rv-trust b{display:block;color:var(--rv-ink);margin-bottom:5px}.rv-trust p{margin:0;color:#667085;font-size:14px}.rv-trustlinks{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.rv-trustlinks a{color:var(--rv-blue);font-size:13px;font-weight:800}body.page-id-4036 #content,body.page-id-4036 .site-content,body.page-id-4036 #primary,body.page-id-4036 #main,body.page-id-4036 .entry-content{margin-top:0!important;padding-top:0!important}body.page-id-4036 .site-content>.ast-container{max-width:100%!important;padding-left:0!important;padding-right:0!important}@media(max-width:980px){.rv-topicgrid,.rv-routegrid,.rv-limitgrid{grid-template-columns:1fr 1fr}}@media(max-width:640px){.rv-topicgrid,.rv-routegrid,.rv-limitgrid,.rv-trustgrid{grid-template-columns:1fr}}<\/style><main class=\"rv-cat\">\n<section class=\"rv-hero\"><div class=\"rv-wrap\"><div class=\"rv-crumb\"><a href=\"\/\">Home<\/a> \/ <a href=\"\/support\/\">Resources<\/a> \/ DIN, EN and ISO Valve Standards Guide<\/div><div class=\"rv-kicker\" style=\"color:#f3cc18\">European and German document identity made clear<\/div><h1 class=\"rv-title\">DIN, DIN EN, EN and ISO Valve Standards for Industrial Valves<\/h1><p>\u201cDIN valve\u201d is often used to describe a European flange pattern or a valve traditionally supplied to German practice, but it is not a complete technical specification. DIN, DIN EN, DIN EN ISO, EN and ISO designations show different publication and adoption relationships. A project must preserve the exact prefix, number, part and edition, then verify which document controls flange interfaces, face-to-face dimensions, pressure designation, shell design, testing and materials for the chosen valve.<\/p><div class=\"rv-actions\"><a class=\"rv-btn rv-primary\" href=\"\/contact\/\">Request Technical Review<\/a><a class=\"rv-btn rv-ghost\" href=\"#technical-scope\">Open Technical Scope<\/a><\/div><div class=\"rv-pills\"><span class=\"rv-pill\">DIN designation<\/span><span class=\"rv-pill\">EN adoption<\/span><span class=\"rv-pill\">ISO adoption<\/span><span class=\"rv-pill\">Interface compatibility<\/span><\/div><\/div><\/section>\n<section id=\"technical-scope\" class=\"rv-section\"><div class=\"rv-wrap\"><div class=\"rv-kicker\">Technical scope<\/div><h2 class=\"rv-h2\">Read the full standards designation before comparing valves<\/h2><div class=\"rv-topicgrid\"><div class=\"rv-topic\"><b>DIN<\/b><p>A DIN designation may identify a German national standard. Verify current status and whether it has been replaced or superseded by a European adoption.<\/p><\/div><div class=\"rv-topic\"><b>DIN EN<\/b><p>This identifies a European standard adopted into the German national collection. Preserve the complete prefix because it describes the publication route.<\/p><\/div><div class=\"rv-topic\"><b>DIN EN ISO<\/b><p>This commonly indicates an ISO document adopted at European and German levels. The full designation and edition remain essential.<\/p><\/div><div class=\"rv-topic\"><b>EN<\/b><p>A European standard can be adopted nationally by standards bodies with national prefixes. Project documents should identify the intended publication and language.<\/p><\/div><div class=\"rv-topic\"><b>ISO<\/b><p>An ISO valve or interface standard has an international scope defined by that document; national adoption may be technically aligned but must still be verified.<\/p><\/div><div class=\"rv-topic\"><b>PN and DN<\/b><p>Nominal pressure and nominal size are designation systems, not complete proof of allowable pressure, bore, dimensions or service suitability.<\/p><\/div><\/div><\/div><\/section>\n<section class=\"rv-section rv-dark\"><div class=\"rv-wrap\"><div class=\"rv-kicker\" style=\"color:#f3cc18\">Evidence matrix<\/div><h2 class=\"rv-h2\">Check the interfaces hidden behind a \u201cDIN valve\u201d request<\/h2><div class=\"rv-tablewrap\"><table class=\"rv-table\"><thead><tr><th>Interface<\/th><th>Requirement to freeze<\/th><th>Why the designation alone is insufficient<\/th><th>Review evidence<\/th><\/tr><\/thead><tbody><tr><td>Pressure\/temperature suitability<\/td><td>Applicable product or shell standard, PN designation, material and full design-temperature cases.<\/td><td>PN is a reference designation and does not by itself define every allowable pressure or material route.<\/td><td>Datasheet, rating basis, material group and approved design calculation or catalog data within scope.<\/td><\/tr><tr><td>Flanged connection<\/td><td>Exact flange standard, type, DN, PN, facing, drilling, gasket and bolting coordination.<\/td><td>Different flange families can share familiar DN\/PN labels while having non-mating details.<\/td><td>Valve drawing and mating flange\/gasket\/bolting schedule.<\/td><\/tr><tr><td>Face-to-face dimension<\/td><td>Applicable EN\/ISO dimensional series, valve pattern, DN and PN.<\/td><td>Flange dimensions do not automatically determine installed valve length.<\/td><td>Approved general arrangement with measured or controlled face-to-face.<\/td><\/tr><tr><td>Body and bonnet construction<\/td><td>Product standard, body pattern, wall\/rating route, materials, joints and closure design.<\/td><td>\u201cDIN pattern\u201d can be a supplier label rather than a complete construction requirement.<\/td><td>Section drawing, bill of materials, design standard and manufacturing plan.<\/td><\/tr><tr><td>Pressure and leakage tests<\/td><td>Test standard, medium, pressure basis, duration, leakage rate and valve configuration.<\/td><td>A product designation does not communicate all project test and acceptance needs.<\/td><td>Approved procedure, instrument register and tag-linked result report.<\/td><\/tr><tr><td>Actuation and accessories<\/td><td>ISO mounting interface where applicable, torque\/thrust cases, drive details, fail action and envelope.<\/td><td>Valve-end compatibility does not guarantee actuator mounting or functional compatibility.<\/td><td>Interface drawing, sizing calculation and functional test record.<\/td><\/tr><\/tbody><\/table><\/div><\/div><\/section>\n<section class=\"rv-section\"><div class=\"rv-wrap\"><div class=\"rv-kicker\">Engineering evidence<\/div><h2 class=\"rv-h2\">Compatibility review for a European valve replacement<\/h2><div class=\"rv-routegrid\"><div class=\"rv-route\"><b>Nameplate identity<\/b><p>Capture manufacturer, type, DN, PN, material, flow direction and existing markings.<\/p><\/div><div class=\"rv-route\"><b>Document identity<\/b><p>Record the complete DIN\/EN\/ISO designation and edition from project records.<\/p><\/div><div class=\"rv-route\"><b>Piping interface<\/b><p>Measure or verify flange, facing, drilling, face-to-face, bore and pipe details.<\/p><\/div><div class=\"rv-route\"><b>Service envelope<\/b><p>Check pressure, temperature, fluid, corrosion, cycling and shutoff conditions.<\/p><\/div><div class=\"rv-route\"><b>Operator interface<\/b><p>Review stem\/shaft, mounting, torque, controls and maintenance clearances.<\/p><\/div><div class=\"rv-route\"><b>Acceptance evidence<\/b><p>Agree drawings, material documents, pressure tests and any special qualification before supply.<\/p><\/div><\/div><\/div><\/section>\n<section class=\"rv-section rv-dark\"><div class=\"rv-wrap\"><div class=\"rv-kicker\" style=\"color:#f3cc18\">Technical boundaries<\/div><h2 class=\"rv-h2\">Claims and shortcuts this page does not support<\/h2><div class=\"rv-limitgrid\"><div class=\"rv-limit\"><h3>A DIN label does not guarantee physical interchangeability<\/h3><p>The exact flange series, facing, face-to-face, bore and operator arrangement must match the existing system.<\/p><\/div><div class=\"rv-limit\"><h3>DN and PN do not replace engineering conditions<\/h3><p>Design temperature, material, fluid and applicable rating rules remain necessary for safe selection.<\/p><\/div><div class=\"rv-limit\"><h3>National adoption must be identified precisely<\/h3><p>Do not shorten DIN EN ISO, DIN EN, EN and ISO references into a generic DIN claim when the contract requires a specific publication.<\/p><\/div><\/div><\/div><\/section>\n<section class=\"rv-section\"><div class=\"rv-wrap\"><div class=\"rv-kicker\">Controlled workflow<\/div><h2 class=\"rv-h2\">From requirement to auditable evidence<\/h2><div class=\"rv-flow\"><div class=\"rv-step\"><b>1. Capture the installed condition<\/b><span>Collect nameplate, drawings, photographs, measurements and piping details for replacement work.<\/span><\/div><div class=\"rv-step\"><b>2. Verify official document identity<\/b><span>Use DIN or the responsible standards body catalog to confirm designation, title and status.<\/span><\/div><div class=\"rv-step\"><b>3. Create an interface matrix<\/b><span>Compare pressure route, ends, dimensions, bore, materials and operator features.<\/span><\/div><div class=\"rv-step\"><b>4. Resolve adoption and edition differences<\/b><span>Confirm whether the project accepts the national, European or ISO publication and which language controls.<\/span><\/div><div class=\"rv-step\"><b>5. Approve the supplier drawing<\/b><span>Mark every critical connection and envelope dimension before production.<\/span><\/div><div class=\"rv-step\"><b>6. Inspect and document<\/b><span>Verify delivered dimensions, markings, materials and tests against the approved matrix.<\/span><\/div><\/div><\/div><\/section>\n<section class=\"rv-section rv-dark\"><div class=\"rv-wrap\"><div class=\"rv-kicker\" style=\"color:#f3cc18\">Project checklist<\/div><h2 class=\"rv-h2\">Information and records to define<\/h2><div class=\"rv-check\"><div>Complete DIN, DIN EN, DIN EN ISO, EN or ISO designation<\/div><div>Document part number, edition, language and current status<\/div><div>Valve product standard and construction<\/div><div>DN, PN, material and design pressure-temperature cases<\/div><div>Flange type, facing, drilling, gasket and bolting<\/div><div>Face-to-face series, bore and piping clearance<\/div><div>Operator\/actuator interface and maintenance envelope<\/div><div>Approved drawings, deviations, tests and final documentation<\/div><\/div><\/div><\/section>\n<section class=\"rv-section\"><div class=\"rv-wrap\"><div class=\"rv-kicker\">Technical authority and scope<\/div><h2 class=\"rv-h2\">How this resource should be used<\/h2><div class=\"rv-trust\"><div class=\"rv-trustgrid\"><div><b>Primary search intent<\/b><p>Specification and replacement guidance for buyers searching German-standard or DIN valves who need to distinguish document adoptions and prove dimensional, rating and functional compatibility.<\/p><\/div><div><b>Technical content owner<\/b><p>Raymon Valve technical content team. Final project decisions require the controlled documents and responsible engineer or quality reviewer.<\/p><\/div><div><b>Standards boundary<\/b><p>DIN and other standards bodies own the cited documents. This page provides a designation and review framework, not copyrighted dimensions, rating tables or clauses. Confirm official status through din.de or the responsible issuer and use the licensed project-approved edition.<\/p><\/div><div><b>Review status<\/b><p>Technical scope reviewed 27 July 2026. Editions, procedures, acceptance criteria and product evidence must be reconfirmed before order.<\/p><\/div><\/div><div class=\"rv-trustlinks\"><a href=\"\/support\/\">Resource Center<\/a><a href=\"\/valve-standards\/\">Valve Standards<\/a><a href=\"\/valve-inspection\/\">Inspection &amp; Testing<\/a><a href=\"\/contact\/\">Request Technical Review<\/a><\/div><\/div><\/div><\/section>\n<section class=\"rv-section\"><div class=\"rv-wrap\"><div class=\"rv-kicker\">Frequently asked questions<\/div><h2 class=\"rv-h2\">DIN, EN and ISO Valve Standards Guide FAQ<\/h2><div class=\"rv-faq\"><details><summary>Are DIN and EN valve standards the same?<\/summary><p>Not necessarily. DIN is the German national standards organization, while EN identifies a European standard. DIN EN indicates the European document's adoption into the German national collection; always retain the full designation.<\/p><\/details><details><summary>Does PN16 mean the valve is always suitable for 16 bar?<\/summary><p>No blanket conclusion should be made from PN alone. Check the applicable product\/rating rules, material and design temperature as well as service-specific limitations.<\/p><\/details><details><summary>Can an ASME Class valve directly replace a DIN PN valve?<\/summary><p>Not without an engineering comparison. Flanges, face-to-face dimensions, bore, ratings, materials, operator envelope and testing routes can differ even when nominal duty appears similar.<\/p><\/details><details><summary>What information is needed to quote a DIN replacement valve?<\/summary><p>Provide complete standard designations, DN\/PN, materials, pressure-temperature cases, flange\/facing details, face-to-face, bore, flow direction, operator information, service and required evidence.<\/p><\/details><\/div><\/div><\/section>\n<section class=\"rv-section\" style=\"padding-top:0\"><div class=\"rv-wrap\"><div class=\"rv-cta\"><div><div class=\"rv-kicker\" style=\"color:#f3cc18\">Technical evidence review<\/div><h2>Send the requirement and the evidence you need to verify<\/h2><p>We will identify the applicable scope, missing records and approval path without inventing compliance claims.<\/p><\/div><div class=\"rv-actions\"><a class=\"rv-btn rv-primary\" href=\"\/contact\/\">Request Technical Review<\/a><\/div><\/div><\/div><\/section>\n<\/main><script type=\"application\/ld+json\">[{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/raymonvalve.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Resources\",\"item\":\"https:\/\/raymonvalve.com\/support\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"DIN, EN and ISO Valve Standards Guide\",\"item\":\"https:\/\/raymonvalve.com\/german-standard\/\"}]},{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Are DIN and EN valve standards the same?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Not necessarily. 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Flanges, face-to-face dimensions, bore, ratings, materials, operator envelope and testing routes can differ even when nominal duty appears similar.\"}},{\"@type\":\"Question\",\"name\":\"What information is needed to quote a DIN replacement valve?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Provide complete standard designations, DN\/PN, materials, pressure-temperature cases, flange\/facing details, face-to-face, bore, flow direction, operator information, service and required evidence.\"}}]}]<\/script>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>\u201cDIN valve\u201d is often used to describe a European flange pattern or a valve traditionally supplied to German practice, but it is not a complete technical specification.<\/p>","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"no-sidebar","site-content-layout":"full-width","ast-site-content-layout":"full-width","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-4036","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/raymonvalve.com\/ar\/wp-json\/wp\/v2\/pages\/4036","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/raymonvalve.com\/ar\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/raymonvalve.com\/ar\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/raymonvalve.com\/ar\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/raymonvalve.com\/ar\/wp-json\/wp\/v2\/comments?post=4036"}],"version-history":[{"count":57,"href":"https:\/\/raymonvalve.com\/ar\/wp-json\/wp\/v2\/pages\/4036\/revisions"}],"predecessor-version":[{"id":13489,"href":"https:\/\/raymonvalve.com\/ar\/wp-json\/wp\/v2\/pages\/4036\/revisions\/13489"}],"wp:attachment":[{"href":"https:\/\/raymonvalve.com\/ar\/wp-json\/wp\/v2\/media?parent=4036"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}