{"id":100097,"date":"2026-02-15T20:16:27","date_gmt":"2026-02-15T20:16:27","guid":{"rendered":"https:\/\/vibromera.eu\/?post_type=calculator&#038;p=100097"},"modified":"2026-07-12T05:43:55","modified_gmt":"2026-07-12T05:43:55","slug":"flange-rating-calculator","status":"publish","type":"calculator","link":"https:\/\/vibromera.eu\/he\/calculators\/flange-rating-calculator\/","title":{"rendered":"\u05d1\u05d3\u05d9\u05e7\u05ea \u05d7\u05d9\u05e9\u05d5\u05d1 \u05d3\u05d9\u05e8\u05d5\u05d2 \u05e4\u05dc\u05e0\u05d2\u05d4ocumented"},"content":{"rendered":"\r\n<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"WebApplication\",\"name\":\"Documented Flange Rating Arithmetic Check\",\"description\":\"Compare operating gauge pressure with a documented maximum working gauge pressure entered for the same temperature. Converts pressure and temperature units without standards-table lookup,interpolation or extrapolation.\",\"url\":\"https:\/\/vibromera.eu\/calculators\/flange-rating-calculator\/\",\"applicationCategory\":\"Engineering Calculator\",\"operatingSystem\":\"Any (Web Browser)\",\"offers\":{\"@type\":\"Offer\",\"price\":\"0\",\"priceCurrency\":\"EUR\"},\"creator\":{\"@type\":\"Organization\",\"name\":\"Vibromera\",\"url\":\"https:\/\/vibromera.eu\/\"},\"dateModified\":\"2026-07-12\",\"inLanguage\":\"en\",\"isAccessibleForFree\":true}<\/script>\r\n<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does this page look up ASME B16.5 or EN 1092-1 ratings?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. Enter a rating already obtained for the exact temperature,material and flange designation from the controlling licensed document. The page performs only unit conversion,ratio and margin arithmetic.\"}},{\"@type\":\"Question\",\"name\":\"Does \\u201cwithin entered limit\\u201d prove the flange is compliant or safe?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. It only compares two entered gauge pressures. Applicability,materials,edition,temperature limits,flange type,size,other loads,joint components and governing law still require engineering verification.\"}}]}<\/script>\r\n<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/vibromera.eu\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Calculators\",\"item\":\"https:\/\/vibromera.eu\/calculators\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Documented flange rating check\",\"item\":\"https:\/\/vibromera.eu\/calculators\/flange-rating-calculator\/\"}]}<\/script>\r\n<link rel=\"preconnect\" 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0.15s}.vc-related-link:hover{border-color:var(--vc-accent);color:var(--vc-accent);background:var(--vc-accent-light)}\r\n.vc-promo{margin-top:24px;padding:20px;background:linear-gradient(135deg,var(--vc-accent-light),var(--vc-surface));border:1px solid var(--vc-border);border-radius:var(--vc-radius-lg);display:flex;align-items:center;gap:16px}.vc-promo-text{flex:1;font-size:14px;color:var(--vc-ink-secondary)}.vc-promo-text strong{color:var(--vc-ink)}.vc-promo-link{padding:8px 20px;font-size:13px;font-weight:700;color:#fff;background:var(--vc-accent);border-radius:var(--vc-radius);text-decoration:none;white-space:nowrap;transition:background 0.15s}.vc-promo-link:hover{background:var(--vc-accent-hover)}\r\n.vc-footer{text-align:center;padding:32px 16px;font-size:13px;color:var(--vc-ink-muted)}.vc-footer a{color:var(--vc-accent);text-decoration:none}.vc-footer a:hover{text-decoration:underline}.vc-footer-links{margin-top:8px;font-size:12px}.vc-footer-links a{margin:0 8px}\r\n@media print{.vc-section-body{max-height:none!important}.vc-faq-a{max-height:none!important}.vc-results{max-height:none!important;padding:24px!important}.vc-copy-btn,.vc-section-chevron,.vc-faq-chevron,.vc-presets,.vc-promo{display:none!important}}\r\n\r\n.vc-form-grid-rating{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.vc-field-full{grid-column:1\/-1}.vc-result-note{margin:0;color:var(--vc-ink-secondary);font-size:13px}@media(max-width:650px){.vc-form-grid-rating{grid-template-columns:1fr}.vc-field-full{grid-column:auto}}\r\n<\/style>\r\n<div class=\"vc-calculator\" id=\"vc-documented-rating\"><header class=\"vc-header\"><p class=\"vc-header-eyebrow\">Licensed rating value required \u2014 no table lookup<\/p><h1 class=\"vc-header-title\">Documented Flange Rating Arithmetic Check<\/h1><p class=\"vc-header-subtitle\">Compare operating gauge pressure with a documented maximum working gauge pressure obtained for the same temperature and exact flange\/material basis.<\/p><div class=\"vc-badges\"><span class=\"vc-badge\">No interpolation<\/span><span class=\"vc-badge\">No extrapolation<\/span><span class=\"vc-badge\">bar(g) \u00b7 MPa(g) \u00b7 psi(g)<\/span><\/div><\/header>\r\n<div class=\"vc-card\"><form class=\"vc-form\" id=\"vc-form\" autocomplete=\"off\"><div class=\"vc-form-grid-rating\">\r\n<div class=\"vc-field\"><label class=\"vc-label\" for=\"vc-tu\">Temperature unit<\/label><select class=\"vc-select\" id=\"vc-tu\"><option value=\"\">Select\u2026<\/option><option value=\"C\">\u00b0C<\/option><option value=\"F\">\u00b0F<\/option><\/select><\/div>\r\n<div class=\"vc-field\"><label class=\"vc-label\" for=\"vc-temp\">Temperature of documented rating and operating check<\/label><input class=\"vc-input\" id=\"vc-temp\" type=\"text\" inputmode=\"decimal\" placeholder=\"e.g. 200\"><\/div>\r\n<div class=\"vc-field\"><label class=\"vc-label\" for=\"vc-pu\">Gauge-pressure unit<\/label><select class=\"vc-select\" id=\"vc-pu\"><option value=\"\">Select\u2026<\/option><option value=\"bar\">bar(g)<\/option><option value=\"MPa\">MPa(g)<\/option><option value=\"psi\">psi(g)<\/option><\/select><\/div>\r\n<div class=\"vc-field\"><label class=\"vc-label\" for=\"vc-pop\">Operating gauge pressure<\/label><input class=\"vc-input\" id=\"vc-pop\" type=\"text\" inputmode=\"decimal\" placeholder=\"e.g. 12\"><\/div>\r\n<div class=\"vc-field\"><label class=\"vc-label\" for=\"vc-pallow\">Documented maximum working gauge pressure<\/label><input class=\"vc-input\" id=\"vc-pallow\" type=\"text\" inputmode=\"decimal\" placeholder=\"e.g. 15.8\"><\/div>\r\n<div class=\"vc-field vc-field-full\"><label class=\"vc-label\" for=\"vc-basis\">Exact rating basis <span class=\"vc-label-hint\">(standard\/edition,flange designation,size,class or PN,material\/group)<\/span><\/label><input class=\"vc-input\" id=\"vc-basis\" type=\"text\" maxlength=\"500\" placeholder=\"e.g. ASME B16.5-2025,NPS\u2026,Class\u2026,material group\u2026\"><\/div>\r\n<div class=\"vc-field vc-field-full\"><label class=\"vc-label\" for=\"vc-source\">Source location for this exact temperature\/rating <span class=\"vc-label-hint\">(required)<\/span><\/label><input class=\"vc-input\" id=\"vc-source\" type=\"text\" maxlength=\"500\" placeholder=\"e.g. licensed document table\/row or approved datasheet revision\"><\/div>\r\n<\/div><p id=\"vc-error\" role=\"alert\" style=\"margin:.75rem 0 0;color:#b42318\"><\/p><div class=\"vc-warning-box\"><p style=\"margin:0\"><strong>Required basis:<\/strong> both pressures are gauge pressures,and the entered documented limit must already apply at the exact entered temperature. This page never chooses a material group,class,PN or table row and never interpolates or extrapolates one.<\/p><\/div><\/form>\r\n<div class=\"vc-results\" id=\"vc-results\" aria-live=\"polite\"><div class=\"vc-results-head\"><h2 class=\"vc-results-title\">Arithmetic comparison<\/h2><button type=\"button\" class=\"vc-copy-btn\" id=\"vc-copy-btn\">Copy<\/button><\/div><div class=\"vc-result-grid\">\r\n<div class=\"vc-rcard vc-rcard-primary\" id=\"vc-condition-card\"><div class=\"vc-rcard-label\">Condition relative to entered documented value<\/div><div class=\"vc-rcard-value\" id=\"vc-r-condition\">\u2014<\/div><\/div>\r\n<div class=\"vc-rcard\"><div class=\"vc-rcard-label\">Utilization, P<sub>op<\/sub>\/P<sub>doc<\/sub><\/div><div class=\"vc-rcard-value\" id=\"vc-r-util\">\u2014<\/div><\/div>\r\n<div class=\"vc-rcard\"><div class=\"vc-rcard-label\">Pressure margin, P<sub>doc<\/sub>\u2212P<sub>op<\/sub><\/div><div class=\"vc-rcard-value\" id=\"vc-r-margin\">\u2014<\/div><\/div>\r\n<div class=\"vc-rcard\"><div class=\"vc-rcard-label\">Operating pressure conversions<\/div><div class=\"vc-rcard-value\" id=\"vc-r-pop\">\u2014<\/div><\/div>\r\n<div class=\"vc-rcard\"><div class=\"vc-rcard-label\">Documented pressure conversions<\/div><div class=\"vc-rcard-value\" id=\"vc-r-pdoc\">\u2014<\/div><\/div>\r\n<div class=\"vc-rcard\"><div class=\"vc-rcard-label\">Temperature conversions<\/div><div class=\"vc-rcard-value\" id=\"vc-r-temp\">\u2014<\/div><\/div>\r\n<\/div><p class=\"vc-result-note\" id=\"vc-r-note\"><\/p><\/div><\/div>\r\n<div class=\"vc-section vc-open\"><button type=\"button\" class=\"vc-section-toggle\" aria-expanded=\"true\"><span class=\"vc-section-toggle-text\"><span class=\"vc-section-icon\">\ud83d\udcd8<\/span><span class=\"vc-section-title\">Meaning,units and standards context<\/span><\/span><\/button><div class=\"vc-section-body\"><div class=\"vc-section-inner vc-theory\">\r\n<h3>Arithmetic only<\/h3><div class=\"vc-formula-box\">utilization = P<sub>op<\/sub>\/P<sub>doc<\/sub> \u00d7100%<br>margin = P<sub>doc<\/sub>\u2212P<sub>op<\/sub><\/div><p>\u201cWithin entered limit\u201d means only that the operating gauge pressure number does not exceed the documented gauge-pressure number supplied by the user. It is not a standards conformity,safety or fitness-for-service decision. Another component,load case,temperature excursion,material limitation or legal requirement can govern.<\/p>\r\n<h3>Unit conversions<\/h3><p>The calculation converts through pascals using1bar=100000Pa,1MPa=1000000Pa and1psi=6894.757293168Pa. Temperature uses T<sub>\u00b0C<\/sub>=(T<sub>\u00b0F<\/sub>\u221232)\u00b75\/9 and T<sub>K<\/sub>=T<sub>\u00b0C<\/sub>+273.15. Gauge and absolute pressure must not be mixed.<\/p>\r\n<h3>Standards context \u2014 licensed tables not implemented<\/h3><p><a href=\"https:\/\/www.asme.org\/codes-standards\/find-codes-standards\/b16-5-pipe-flanges-flanged-fittings-nps-1-2-nps-24-metric-inch-standard\/2025\" target=\"_blank\" rel=\"noopener\">ASME B16.5\u20142025<\/a> is the current official edition and covers pressure-temperature ratings,materials,dimensions,tolerances,marking and testing for its specified NPS\/class scope. Its official scope includes Classes150,300,400,600,900,1500 and2500 with size restrictions;the former page omitted Class400 and its numerical rows were not verified against the licensed2025 tables.<\/p>\r\n<p><a href=\"https:\/\/knowledge.bsigroup.com\/products\/flanges-and-their-joints-circular-flanges-for-pipes-valves-fittings-and-accessories-pn-designated-steel-flanges-2\" target=\"_blank\" rel=\"noopener\">EN1092-1:2018<\/a> is the current steel-flange edition identified by BSI\/DIN and uses PN-designated flanges,with its own materials and p\/T rules. It superseded the2007+A1:2013 edition. An EN selection must never reuse ASME Class\/material-group rows.<\/p>\r\n<div class=\"vc-warning-box\"><p style=\"margin:0\"><strong>Not checked:<\/strong> edition\/table applicability,material specification\/group,product form,NPS\/DN,size restriction,class\/PN,flange\/fitting type,temperature boundary,interpolation permission,corrosion,external loads,cyclic service,bolting,gasket,joint integrity,other piping\/equipment ratings or jurisdiction.<\/p><\/div>\r\n<p>Conversion reference:<a href=\"https:\/\/www.nist.gov\/pml\/special-publication-811\/nist-guide-si-appendix-b-conversion-factors\" target=\"_blank\" rel=\"noopener\">NIST SP811 conversion factors<\/a>. Standards status\/scope checked12July2026. No closed rating row,clause or interpolation rule is asserted.<\/p>\r\n<\/div><\/div><\/div><footer class=\"vc-footer\"><p>\u00a92024\u20132026 <a href=\"https:\/\/vibromera.eu\/\">Vibromera<\/a><\/p><p>Reference arithmetic only;not a rating lookup,design approval or conformity decision. 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