{"id":14745,"date":"2026-02-06T09:00:00","date_gmt":"2026-02-06T01:00:00","guid":{"rendered":"https:\/\/www.xintaivalves.com\/?p=14745"},"modified":"2026-03-06T11:21:44","modified_gmt":"2026-03-06T03:21:44","slug":"cv-impact-on-selection-efficiency","status":"publish","type":"post","link":"https:\/\/www.xintaivalves.com\/fa\/blog\/technical-science\/cv-impact-on-selection-efficiency\/","title":{"rendered":"\u0646\u0642\u0634 Cv \u062f\u0631 \u0627\u0646\u062a\u062e\u0627\u0628 \u0634\u06cc\u0631 \u0628\u0631\u0627\u06cc \u0627\u0641\u0632\u0627\u06cc\u0634 \u0631\u0627\u0646\u062f\u0645\u0627\u0646 \u062f\u0631 \u0633\u06cc\u0633\u062a\u0645\u200c\u0647\u0627\u06cc \u06a9\u0646\u062a\u0631\u0644 \u062c\u0631\u06cc\u0627\u0646 \u0686\u06cc\u0633\u062a\u061f"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_86 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u0641\u0647\u0631\u0633\u062a \u0645\u0637\u0627\u0644\u0628<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Change Table of Contents Status\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">\u062a\u063a\u06cc\u06cc\u0631 \u0648\u0636\u0639\u06cc\u062a<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.xintaivalves.com\/fa\/blog\/technical-science\/cv-impact-on-selection-efficiency\/#What_is_a_Valve_Flow_Coefficient_Cv\" >\u0636\u0631\u06cc\u0628 \u062c\u0631\u06cc\u0627\u0646 \u0634\u06cc\u0631 (Cv) \u0686\u06cc\u0633\u062a\u061f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.xintaivalves.com\/fa\/blog\/technical-science\/cv-impact-on-selection-efficiency\/#How_Oversized_Valves_Cause_Control_Instability\" >\u0686\u06af\u0648\u0646\u0647 \u0633\u0648\u067e\u0627\u067e\u200c\u0647\u0627\u06cc \u0628\u0632\u0631\u06af \u0628\u0627\u0639\u062b \u0646\u0627\u067e\u0627\u06cc\u062f\u0627\u0631\u06cc \u06a9\u0646\u062a\u0631\u0644 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f\u061f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.xintaivalves.com\/fa\/blog\/technical-science\/cv-impact-on-selection-efficiency\/#How_to_Calculate_Required_Cv_for_Specific_Flow_Rates\" >\u0686\u06af\u0648\u0646\u0647 Cv \u0645\u0648\u0631\u062f \u0646\u06cc\u0627\u0632 \u0628\u0631\u0627\u06cc \u0646\u0631\u062e \u062c\u0631\u06cc\u0627\u0646 \u0648\u06cc\u0698\u0647 \u0631\u0627 \u0645\u062d\u0627\u0633\u0628\u0647 \u06a9\u0646\u06cc\u0645\u061f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.xintaivalves.com\/fa\/blog\/technical-science\/cv-impact-on-selection-efficiency\/#What_is_the_relationship_Between_Cv_and_Pressure_Drop\" >\u0631\u0627\u0628\u0637\u0647 \u0628\u06cc\u0646 Cv \u0648 \u0627\u0641\u062a \u0641\u0634\u0627\u0631 \u0686\u06cc\u0633\u062a\u061f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.xintaivalves.com\/fa\/blog\/technical-science\/cv-impact-on-selection-efficiency\/#Final_Thoughts\" >\u0646\u06a9\u0627\u062a \u067e\u0627\u06cc\u0627\u0646\u06cc<\/a><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\">\u062a\u0637\u0628\u06cc\u0642 \u0642\u0637\u0631 \u0644\u0648\u0644\u0647\u200c\u0647\u0627 \u0641\u0631\u0622\u06cc\u0646\u062f\u06cc \u0645\u0647\u0645 \u062f\u0631 \u0627\u0646\u062a\u062e\u0627\u0628 \u0633\u062e\u062a\u200c\u0627\u0641\u0632\u0627\u0631 \u0645\u0646\u0627\u0633\u0628 \u0627\u0633\u062a. \u0627\u0645\u0627 \u0628\u0627 \u062a\u0648\u062c\u0647 \u0628\u0647 \u067e\u06cc\u0686\u06cc\u062f\u06af\u06cc \u0644\u0648\u0644\u0647\u200c\u06a9\u0634\u06cc \u0635\u0646\u0639\u062a\u06cc\u060c \u0628\u0627\u06cc\u062f \u062f\u0631\u06a9 \u0631\u0648\u0634\u0646\u06cc \u0627\u0632 ... \u0646\u06cc\u0632 \u062f\u0627\u0634\u062a. <a href=\"https:\/\/www.xintaivalves.com\/fa\/blog\/what-is-valve-flow-coefficient\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u0636\u0631\u06cc\u0628 \u062c\u0631\u06cc\u0627\u0646 \u0634\u06cc\u0631<\/a>, \u06a9\u0647 \u0628\u0627 \u0646\u0627\u0645 Cv \u0646\u06cc\u0632 \u0634\u0646\u0627\u062e\u062a\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0627\u06cc\u0646 \u067e\u0627\u0631\u0627\u0645\u062a\u0631 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9 \u0645\u0639\u06cc\u0627\u0631 \u0642\u0637\u0639\u06cc \u0628\u0631\u0627\u06cc \u062a\u0639\u06cc\u06cc\u0646 \u0639\u0645\u0644\u06a9\u0631\u062f \u0634\u06cc\u0631 \u062a\u062d\u062a \u0634\u0631\u0627\u06cc\u0637 \u062c\u0631\u06cc\u0627\u0646 \u0648 \u0641\u0634\u0627\u0631 \u062e\u0627\u0635 \u0639\u0645\u0644 \u0645\u06cc\u200c\u06a9\u0646\u062f. \u0635\u0646\u0627\u06cc\u0639\u06cc \u06a9\u0647 \u0627\u0632 \u0622\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f <a href=\"https:\/\/www.xintaivalves.com\/fa\/blog\/flow-control-valve-comprehensive-guide\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u0634\u06cc\u0631\u0647\u0627\u06cc \u06a9\u0631\u0648\u06cc \u0628\u0631\u0627\u06cc \u06a9\u0646\u062a\u0631\u0644 \u062c\u0631\u06cc\u0627\u0646<\/a> \u0645\u0642\u062f\u0627\u0631 Cv \u0631\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062a\u063a\u06cc\u0631 \u0627\u0635\u0644\u06cc \u0628\u0631\u0627\u06cc \u0645\u062a\u0639\u0627\u062f\u0644 \u06a9\u0631\u062f\u0646 \u0639\u0645\u0644\u06a9\u0631\u062f \u0633\u06cc\u0633\u062a\u0645 \u0628\u0627 \u0637\u0648\u0644 \u0639\u0645\u0631 \u0645\u06a9\u0627\u0646\u06cc\u06a9\u06cc \u062f\u0631 \u0646\u0638\u0631 \u0628\u06af\u06cc\u0631\u06cc\u062f.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0627\u0646\u062a\u062e\u0627\u0628 \u0634\u06cc\u0631 \u0635\u0631\u0641\u0627\u064b \u0628\u0631 \u0627\u0633\u0627\u0633 \u0627\u0646\u062f\u0627\u0632\u0647 \u0627\u0633\u0645\u06cc \u0644\u0648\u0644\u0647 \u0627\u063a\u0644\u0628 \u0645\u0646\u062c\u0631 \u0628\u0647 \u0646\u0627\u06a9\u0627\u0631\u0622\u0645\u062f\u06cc \u0633\u06cc\u0633\u062a\u0645\u06cc \u0645\u06cc\u200c\u0634\u0648\u062f. \u062f\u0631 \u0639\u0648\u0636\u060c \u0628\u0631\u0631\u0633\u06cc \u0639\u0645\u06cc\u0642 \u0641\u0646\u06cc \u0636\u0631\u0627\u06cc\u0628 \u062c\u0631\u06cc\u0627\u0646 \u0628\u0647 \u0627\u067e\u0631\u0627\u062a\u0648\u0631\u0647\u0627 \u0627\u06cc\u0646 \u0627\u0645\u06a9\u0627\u0646 \u0631\u0627 \u0645\u06cc\u200c\u062f\u0647\u062f \u06a9\u0647 \u0627\u0641\u062a \u0641\u0634\u0627\u0631 \u0631\u0627 \u067e\u06cc\u0634\u200c\u0628\u06cc\u0646\u06cc \u06a9\u0631\u062f\u0647 \u0648 \u0627\u0632 ... \u0627\u0637\u0645\u06cc\u0646\u0627\u0646 \u062d\u0627\u0635\u0644 \u06a9\u0646\u0646\u062f. <strong>\u0634\u06cc\u0631\u0647\u0627\u06cc \u0635\u0646\u0639\u062a\u06cc \u06a9\u0631\u0648\u06cc<\/strong> \u062f\u0631 \u0645\u062d\u062f\u0648\u062f\u0647 \u0639\u0645\u0644\u06a9\u0631\u062f \u0645\u0648\u0631\u062f \u0646\u0638\u0631 \u062e\u0648\u062f \u0639\u0645\u0644 \u06a9\u0646\u0646\u062f. \u0627\u06cc\u0646 \u062a\u062d\u0644\u06cc\u0644 \u0627\u0647\u0645\u06cc\u062a \u0645\u06a9\u0627\u0646\u06cc\u06a9\u06cc Cv \u0648 \u0646\u0642\u0634 \u062d\u06cc\u0627\u062a\u06cc \u0622\u0646 \u062f\u0631 \u0628\u0647\u06cc\u0646\u0647\u200c\u0633\u0627\u0632\u06cc \u06a9\u0646\u062a\u0631\u0644 \u062c\u0631\u06cc\u0627\u0646 \u0645\u062f\u0631\u0646 \u0631\u0627 \u0628\u0631\u0631\u0633\u06cc \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_is_a_Valve_Flow_Coefficient_Cv\"><\/span><strong>\u0636\u0631\u06cc\u0628 \u062c\u0631\u06cc\u0627\u0646 \u0634\u06cc\u0631 (Cv) \u0686\u06cc\u0633\u062a\u061f<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0636\u0631\u06cc\u0628 \u062c\u0631\u06cc\u0627\u0646 \u06cc\u0627 Cv\u060c \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 \u0631\u06cc\u0627\u0636\u06cc \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f \u0627\u0633\u062a \u06a9\u0647 \u0638\u0631\u0641\u06cc\u062a \u062c\u0631\u06cc\u0627\u0646 \u06cc\u06a9 \u0634\u06cc\u0631 \u0631\u0627 \u0646\u0634\u0627\u0646 \u0645\u06cc\u200c\u062f\u0647\u062f. \u0637\u0628\u0642 \u062a\u0639\u0631\u06cc\u0641\u060c Cv \u062d\u062c\u0645 \u0622\u0628\u06cc \u0627\u0633\u062a \u06a9\u0647 \u062f\u0631 \u062f\u0645\u0627\u06cc 60 \u062f\u0631\u062c\u0647 \u0641\u0627\u0631\u0646\u0647\u0627\u06cc\u062a (\u0628\u0631 \u062d\u0633\u0628 \u06af\u0627\u0644\u0646 \u0622\u0645\u0631\u06cc\u06a9\u0627\u06cc\u06cc \u062f\u0631 \u062f\u0642\u06cc\u0642\u0647) \u0627\u0632 \u06cc\u06a9 \u0634\u06cc\u0631 \u06a9\u0627\u0645\u0644\u0627\u064b \u0628\u0627\u0632 \u0628\u0627 \u0627\u0641\u062a \u0641\u0634\u0627\u0631 1 psi \u0639\u0628\u0648\u0631 \u0645\u06cc\u200c\u06a9\u0646\u062f. \u0627\u06cc\u0646 \u0636\u0631\u06cc\u0628 \u0628\u0631\u0627\u06cc \u0627\u0631\u0627\u0626\u0647 \u06cc\u06a9 &quot;\u0632\u0628\u0627\u0646&quot; \u062c\u0647\u0627\u0646\u06cc \u0628\u0631\u0627\u06cc ... \u062a\u0648\u0633\u0639\u0647 \u062f\u0627\u062f\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a. <strong>\u062a\u0627\u0645\u06cc\u0646 \u06a9\u0646\u0646\u062f\u06af\u0627\u0646 \u0634\u06cc\u0631 \u06a9\u0631\u0648\u06cc<\/strong> \u0648 \u0645\u0647\u0646\u062f\u0633\u0627\u0646 \u0628\u0631\u0627\u06cc \u0645\u0642\u0627\u06cc\u0633\u0647 \u0638\u0631\u0641\u06cc\u062a \u0637\u0631\u062d\u200c\u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641 \u0634\u06cc\u0631 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Cv \u0628\u0627 \u062f\u0631 \u0646\u0638\u0631 \u06af\u0631\u0641\u062a\u0646 \u062a\u0644\u0641\u0627\u062a \u0627\u0635\u0637\u06a9\u0627\u06a9\u06cc \u0627\u0632 \u0631\u0648\u0632\u0646\u0647 \u0646\u0634\u06cc\u0645\u0646\u06af\u0627\u0647\u060c \u067e\u0631\u0648\u0641\u06cc\u0644 \u067e\u0644\u0627\u06af \u0648 \u0628\u062f\u0646\u0647 \u0634\u06cc\u0631\u060c \u0686\u0646\u06cc\u0646 \u0645\u0642\u0627\u0648\u0645\u062a\u06cc \u0631\u0627 \u062f\u0631 \u0646\u0638\u0631 \u0645\u06cc\u200c\u06af\u06cc\u0631\u062f. \u062f\u0627\u0634\u062a\u0646 \u0645\u0642\u062f\u0627\u0631 \u0628\u0627\u0644\u0627\u062a\u0631 \u0628\u0647 \u0645\u0639\u0646\u0627\u06cc \u0645\u0642\u0627\u0648\u0645\u062a \u06a9\u0645\u062a\u0631 \u062f\u0631 \u0628\u0631\u0627\u0628\u0631 \u062c\u0631\u06cc\u0627\u0646 \u0627\u0633\u062a\u060c \u062f\u0631 \u062d\u0627\u0644\u06cc \u06a9\u0647 \u0645\u0642\u062f\u0627\u0631 \u067e\u0627\u06cc\u06cc\u0646\u200c\u062a\u0631 \u0646\u0634\u0627\u0646\u200c\u062f\u0647\u0646\u062f\u0647 \u0645\u0633\u06cc\u0631 \u0645\u062d\u062f\u0648\u062f\u062a\u0631 \u0627\u0633\u062a.&nbsp;&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_Oversized_Valves_Cause_Control_Instability\"><\/span><strong>\u0686\u06af\u0648\u0646\u0647 \u0633\u0648\u067e\u0627\u067e\u200c\u0647\u0627\u06cc \u0628\u0632\u0631\u06af \u0628\u0627\u0639\u062b \u0646\u0627\u067e\u0627\u06cc\u062f\u0627\u0631\u06cc \u06a9\u0646\u062a\u0631\u0644 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f\u061f<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u06af\u0641\u062a\u0646 \u0627\u06cc\u0646\u06a9\u0647 \u2018\u0647\u0631\u0686\u0647 \u0628\u0632\u0631\u06af\u062a\u0631 \u0628\u0647\u062a\u0631\u2019 \u06cc\u06a9 \u062a\u0635\u0648\u0631 \u063a\u0644\u0637 \u0631\u0627\u06cc\u062c \u062f\u0631 \u0637\u0631\u0627\u062d\u06cc \u0644\u0648\u0644\u0647\u200c\u06a9\u0634\u06cc \u0627\u0633\u062a. \u0628\u0627 \u0627\u06cc\u0646 \u062d\u0627\u0644\u060c \u0644\u0648\u0644\u0647\u200c\u0647\u0627\u06cc \u0628\u0632\u0631\u06af\u062a\u0631 \u0627\u0632 \u0627\u0646\u062f\u0627\u0632\u0647 <strong>\u0634\u06cc\u0631\u0647\u0627\u06cc \u0635\u0646\u0639\u062a\u06cc \u06a9\u0631\u0648\u06cc <\/strong>\u0627\u0632 \u062c\u0645\u0644\u0647 \u062f\u0644\u0627\u06cc\u0644 \u0627\u0635\u0644\u06cc \u0628\u06cc\u200c\u062b\u0628\u0627\u062a\u06cc \u06a9\u0646\u062a\u0631\u0644 \u0648 \u062e\u0631\u0627\u0628\u06cc \u0645\u06a9\u0627\u0646\u06cc\u06a9\u06cc \u0632\u0648\u062f\u0631\u0633 \u0647\u0633\u062a\u0646\u062f. \u0634\u06cc\u0631\u0647\u0627\u06cc \u062e\u06cc\u0644\u06cc \u0628\u0632\u0631\u06af \u0628\u0631\u0627\u06cc \u062c\u0631\u06cc\u0627\u0646 \u0645\u0648\u0631\u062f \u0646\u06cc\u0627\u0632 \u0628\u0647 \u0627\u06cc\u0646 \u0645\u0639\u0646\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0628\u0631\u0627\u06cc \u062d\u0641\u0638 \u0646\u0642\u0637\u0647 \u062a\u0646\u0638\u06cc\u0645 \u0645\u0648\u0631\u062f \u0646\u0638\u0631\u060c \u0628\u0627\u06cc\u062f \u0628\u0633\u06cc\u0627\u0631 \u0646\u0632\u062f\u06cc\u06a9 \u0628\u0647 \u0646\u0634\u06cc\u0645\u0646\u06af\u0627\u0647 \u06a9\u0627\u0631 \u06a9\u0646\u0646\u062f.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0627\u06cc\u0646 \u0646\u0632\u062f\u06cc\u06a9\u06cc \u062e\u0637\u0631\u0627\u062a \u0639\u0645\u0644\u06cc\u0627\u062a\u06cc \u0645\u062a\u0639\u062f\u062f\u06cc \u0631\u0627 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc\u200c\u06a9\u0646\u062f \u06a9\u0647 \u0634\u0627\u0645\u0644 \u0645\u0648\u0627\u0631\u062f \u0632\u06cc\u0631 \u0627\u0633\u062a:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0634\u06a9\u0627\u0631 \u0648 \u0646\u0648\u0633\u0627\u0646:<\/strong> \u0633\u06cc\u0633\u062a\u0645 \u06a9\u0646\u062a\u0631\u0644 \u0628\u0631\u0627\u06cc \u062d\u0641\u0638 \u0645\u0648\u0642\u0639\u06cc\u062a \u067e\u0627\u06cc\u062f\u0627\u0631 \u062a\u0644\u0627\u0634 \u062e\u0648\u0627\u0647\u062f \u06a9\u0631\u062f. \u0634\u06cc\u0631 \u0646\u0648\u0633\u0627\u0646 \u0645\u06cc\u200c\u06a9\u0646\u062f \u06a9\u0647 \u062f\u0631 \u0646\u0647\u0627\u06cc\u062a \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0633\u0627\u0642\u0647\u200c\u0647\u0627 \u0648 \u0645\u062d\u0631\u06a9 \u0631\u0627 \u0641\u0631\u0633\u0648\u062f\u0647 \u06a9\u0646\u062f. \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644\u060c \u062f\u0631 \u06cc\u06a9 \u06a9\u0627\u0631\u062e\u0627\u0646\u0647 \u0635\u0646\u0639\u062a\u06cc \u062f\u0631 \u062f\u0646\u06cc\u0627\u06cc \u0648\u0627\u0642\u0639\u06cc\u060c \u0686\u0631\u062e\u0647\u200c\u0647\u0627\u06cc \u0645\u062f\u0627\u0648\u0645\u060c \u0646\u0642\u0627\u0637 \u062a\u0646\u0638\u06cc\u0645 \u0641\u0634\u0627\u0631 \u0631\u0627 \u0628\u06cc\u200c\u062b\u0628\u0627\u062a \u0645\u06cc\u200c\u06a9\u0646\u062f \u06a9\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0645\u0646\u062c\u0631 \u0628\u0647 \u0628\u0633\u062a\u0647 \u0634\u062f\u0646 \u0632\u0648\u062f\u0631\u0633 \u0634\u0648\u062f.&nbsp;<\/li>\n\n\n\n<li><strong>\u0641\u0631\u0633\u0627\u06cc\u0634 \u0648 \u06a9\u0627\u0648\u06cc\u062a\u0627\u0633\u06cc\u0648\u0646:<\/strong> \u06a9\u0634\u0634 \u0633\u06cc\u0645 \u0648 \u0627\u0641\u062a \u0641\u0634\u0627\u0631 \u0645\u0648\u0636\u0639\u06cc \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0632\u0645\u0627\u0646\u06cc \u0627\u062a\u0641\u0627\u0642 \u0628\u06cc\u0641\u062a\u062f \u06a9\u0647 \u06cc\u06a9 \u0633\u06cc\u0627\u0644 \u0628\u0627 \u0633\u0631\u0639\u062a \u0628\u0627\u0644\u0627 \u0627\u0632 \u0645\u0646\u0627\u0641\u0630 \u0628\u0627\u0631\u06cc\u06a9 \u0628\u06cc\u0646 \u0646\u0634\u06cc\u0645\u0646\u06af\u0627\u0647 \u0648 \u067e\u0644\u0627\u06af \u0639\u0628\u0648\u0631 \u06a9\u0646\u062f. \u0627\u06cc\u0646 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0628\u0627\u0639\u062b \u06a9\u0627\u0648\u06cc\u062a\u0627\u0633\u06cc\u0648\u0646 \u0634\u0648\u062f.&nbsp;<\/li>\n\n\n\n<li>\u062a\u0637\u0628\u06cc\u0642 Cv \u0634\u06cc\u0631 \u0628\u0627 \u0646\u06cc\u0627\u0632\u0647\u0627\u06cc \u0648\u0627\u0642\u0639\u06cc \u0641\u0631\u0622\u06cc\u0646\u062f\u060c \u062a\u0636\u0645\u06cc\u0646 \u0645\u06cc\u200c\u06a9\u0646\u062f \u06a9\u0647 \u0633\u062e\u062a\u200c\u0627\u0641\u0632\u0627\u0631 \u062f\u0631 \u0646\u0642\u0637\u0647 \u0628\u0647\u06cc\u0646\u0647 \u062e\u0648\u062f \u0639\u0645\u0644 \u0645\u06cc\u200c\u06a9\u0646\u062f. \u0627\u06cc\u0646 \u0646\u0642\u0637\u0647 \u0639\u0645\u0648\u0645\u0627\u064b \u0628\u06cc\u0646 20% \u0648 80% \u0627\u0632 \u0645\u0633\u06cc\u0631 \u062d\u0631\u06a9\u062a \u0622\u0646 \u0627\u0633\u062a\u060c \u062c\u0627\u06cc\u06cc \u06a9\u0647 \u06a9\u0646\u062a\u0631\u0644 \u067e\u0627\u06cc\u062f\u0627\u0631\u062a\u0631\u06cc\u0646 \u0648 \u062e\u0637\u06cc\u200c\u062a\u0631\u06cc\u0646 \u062d\u0627\u0644\u062a \u0631\u0627 \u062f\u0627\u0631\u062f.&nbsp;<\/li>\n\n\n\n<li><strong>\u0686\u06af\u0648\u0646\u0647 Cv \u0645\u0648\u0631\u062f \u0646\u06cc\u0627\u0632 \u0628\u0631\u0627\u06cc \u0646\u0631\u062e \u062c\u0631\u06cc\u0627\u0646 \u0648\u06cc\u0698\u0647 \u0631\u0627 \u0645\u062d\u0627\u0633\u0628\u0647 \u06a9\u0646\u06cc\u0645\u061f<\/strong><strong>\u062d\u0633\u0627\u0633\u06cc\u062a: <\/strong>\u062d\u062a\u06cc \u06cc\u06a9 \u062a\u063a\u06cc\u06cc\u0631 \u06a9\u0648\u0686\u06a9 \u062f\u0631 \u0645\u0648\u0642\u0639\u06cc\u062a \u0633\u0627\u0642\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0628\u0631 \u062c\u0631\u06cc\u0627\u0646 \u062a\u0623\u062b\u06cc\u0631 \u0628\u06af\u0630\u0627\u0631\u062f \u0648 \u062a\u0646\u0638\u06cc\u0645 \u062f\u0642\u06cc\u0642 \u0631\u0627 \u063a\u06cc\u0631\u0645\u0645\u06a9\u0646 \u06a9\u0646\u062f. \u0628\u0631\u0627\u06cc \u0633\u06cc\u0633\u062a\u0645\u200c\u0647\u0627\u06cc \u0641\u0634\u0627\u0631 \u0628\u0627\u0644\u0627\u060c \u0634\u06cc\u0631\u0647\u0627\u06cc \u0628\u0632\u0631\u06af\u062a\u0631 \u0627\u0632 \u0627\u0646\u062f\u0627\u0632\u0647 \u0648\u0627\u0642\u0639\u06cc \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u062c\u0631\u06cc\u0627\u0646 \u0645\u0648\u0631\u062f \u0646\u06cc\u0627\u0632 \u0631\u0627 \u062f\u0631 \u062d\u062f\u0648\u062f 5% \u0627\u0632 \u06a9\u0644 \u06a9\u0648\u0631\u0633 \u062e\u0648\u062f \u0628\u0631\u0622\u0648\u0631\u062f\u0647 \u06a9\u0646\u0646\u062f.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u062a\u0637\u0628\u06cc\u0642 Cv \u0634\u06cc\u0631 \u0628\u0627 \u0646\u06cc\u0627\u0632\u0647\u0627\u06cc \u0648\u0627\u0642\u0639\u06cc \u0641\u0631\u0622\u06cc\u0646\u062f\u060c \u062a\u0636\u0645\u06cc\u0646 \u0645\u06cc\u200c\u06a9\u0646\u062f \u06a9\u0647 \u0633\u062e\u062a\u200c\u0627\u0641\u0632\u0627\u0631 \u062f\u0631 \u0646\u0642\u0637\u0647 \u0628\u0647\u06cc\u0646\u0647 \u062e\u0648\u062f \u0639\u0645\u0644 \u0645\u06cc\u200c\u06a9\u0646\u062f. \u0627\u06cc\u0646 \u0646\u0642\u0637\u0647 \u0639\u0645\u0648\u0645\u0627\u064b \u0628\u06cc\u0646 20% \u0648 80% \u0627\u0632 \u0645\u0633\u06cc\u0631 \u062d\u0631\u06a9\u062a \u0622\u0646 \u0627\u0633\u062a\u060c \u062c\u0627\u06cc\u06cc \u06a9\u0647 \u06a9\u0646\u062a\u0631\u0644 \u067e\u0627\u06cc\u062f\u0627\u0631\u062a\u0631\u06cc\u0646 \u0648 \u062e\u0637\u06cc\u200c\u062a\u0631\u06cc\u0646 \u062d\u0627\u0644\u062a \u0631\u0627 \u062f\u0627\u0631\u062f.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_to_Calculate_Required_Cv_for_Specific_Flow_Rates\"><\/span><strong>\u0686\u06af\u0648\u0646\u0647 Cv \u0645\u0648\u0631\u062f \u0646\u06cc\u0627\u0632 \u0628\u0631\u0627\u06cc \u0646\u0631\u062e \u062c\u0631\u06cc\u0627\u0646 \u0648\u06cc\u0698\u0647 \u0631\u0627 \u0645\u062d\u0627\u0633\u0628\u0647 \u06a9\u0646\u06cc\u0645\u061f<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0628\u0631\u0627\u06cc \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u0627\u0632 \u0645\u0634\u06a9\u0644\u0627\u062a \u0646\u0627\u0634\u06cc \u0627\u0632 \u0627\u0646\u062f\u0627\u0632\u0647 \u0646\u0627\u0645\u0646\u0627\u0633\u0628\u060c \u0645\u0647\u0646\u062f\u0633\u0627\u0646 \u0628\u0627\u06cc\u062f Cv \u0645\u0648\u0631\u062f \u0646\u06cc\u0627\u0632 \u0631\u0627 \u0628\u0631 \u0627\u0633\u0627\u0633 \u067e\u0627\u0631\u0627\u0645\u062a\u0631\u0647\u0627\u06cc \u0639\u0645\u0644\u06cc\u0627\u062a\u06cc \u0648\u0627\u0642\u0639\u06cc \u0628\u0647 \u062c\u0627\u06cc \u0627\u0646\u062f\u0627\u0632\u0647 \u0644\u0648\u0644\u0647 \u0645\u062d\u0627\u0633\u0628\u0647 \u06a9\u0646\u0646\u062f. \u0641\u0631\u0645\u0648\u0644 \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f \u062c\u0631\u06cc\u0627\u0646 \u0645\u0627\u06cc\u0639 \u0628\u0631\u0627\u06cc \u062a\u0639\u06cc\u06cc\u0646 \u0638\u0631\u0641\u06cc\u062a \u0645\u0648\u0631\u062f \u0646\u06cc\u0627\u0632 \u0628\u0647 \u0635\u0648\u0631\u062a \u0632\u06cc\u0631 \u0627\u0633\u062a:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"388\" height=\"97\" src=\"https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/03\/Valve-Flow-Coefficient-Cv-calculation-formula-e1772690256803.webp\" alt=\"\u0641\u0631\u0645\u0648\u0644 \u0645\u062d\u0627\u0633\u0628\u0647 \u0636\u0631\u06cc\u0628 \u062c\u0631\u06cc\u0627\u0646 \u0634\u06cc\u0631 (Cv)\" class=\"wp-image-14748\" srcset=\"https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/03\/Valve-Flow-Coefficient-Cv-calculation-formula-e1772690256803.webp 388w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/03\/Valve-Flow-Coefficient-Cv-calculation-formula-e1772690256803-300x75.webp 300w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/03\/Valve-Flow-Coefficient-Cv-calculation-formula-e1772690256803-18x5.webp 18w\" sizes=\"(max-width: 388px) 100vw, 388px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u06a9\u062c\u0627:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Q<\/strong> = \u062f\u0628\u06cc \u062c\u0631\u06cc\u0627\u0646 \u0628\u0631 \u062d\u0633\u0628 \u06af\u0627\u0644\u0646 \u062f\u0631 \u062f\u0642\u06cc\u0642\u0647 (GPM)<\/li>\n\n\n\n<li><strong>\u0627\u0633 \u062c\u06cc<\/strong> = \u0648\u0632\u0646 \u0645\u062e\u0635\u0648\u0635 \u0633\u06cc\u0627\u0644 (\u0622\u0628 = \u06f1.\u06f0)<\/li>\n\n\n\n<li><strong>\u062f\u06cc \u067e\u06cc<\/strong> = \u0627\u0641\u062a \u0641\u0634\u0627\u0631 \u062f\u0631 \u0634\u06cc\u0631 \u0628\u0631 \u062d\u0633\u0628 psi (P1 \u2013 P2)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0645\u062d\u0627\u0633\u0628\u0647 \u0641\u0648\u0642 \u062a\u0636\u0645\u06cc\u0646 \u0645\u06cc\u200c\u06a9\u0646\u062f \u06a9\u0647 \u062a\u0623\u0645\u06cc\u0646\u200c\u06a9\u0646\u0646\u062f\u06af\u0627\u0646 \u0634\u06cc\u0631 \u06a9\u0631\u0648\u06cc \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u0646\u062f \u0627\u0646\u062f\u0627\u0632\u0647\u200c\u0647\u0627\u06cc \u062f\u0642\u06cc\u0642 \u0644\u0628\u0647\u200c\u0647\u0627 \u0631\u0627 \u06a9\u0647 \u0628\u0627 \u0633\u06cc\u0633\u062a\u0645 \u067e\u0631\u0648\u0641\u06cc\u0644 \u0647\u06cc\u062f\u0631\u0648\u0644\u06cc\u06a9\u06cc \u0645\u0637\u0627\u0628\u0642\u062a \u062f\u0627\u0631\u0646\u062f\u060c \u062a\u0648\u0635\u06cc\u0647 \u06a9\u0646\u0646\u062f. \u0628\u0631\u0627\u06cc \u0633\u0631\u0648\u06cc\u0633 \u06af\u0627\u0632 \u06cc\u0627 \u0628\u062e\u0627\u0631\u060c \u0645\u062d\u0627\u0633\u0628\u0647 \u067e\u06cc\u0686\u06cc\u062f\u0647\u200c\u062a\u0631 \u0645\u06cc\u200c\u0634\u0648\u062f \u0632\u06cc\u0631\u0627 \u0628\u0627\u06cc\u062f \u062a\u0631\u0627\u06a9\u0645\u200c\u067e\u0630\u06cc\u0631\u06cc \u0648 \u062f\u0645\u0627 \u0631\u0627 \u062f\u0631 \u0646\u0638\u0631 \u0628\u06af\u06cc\u0631\u062f. \u0645\u062d\u0627\u0633\u0628\u0647 Cv \u0647\u0645 \u0628\u0631\u0627\u06cc \u062d\u062f\u0627\u06a9\u062b\u0631 \u062c\u0631\u06cc\u0627\u0646 \u0645\u0648\u0631\u062f \u0627\u0646\u062a\u0638\u0627\u0631 \u0648 \u0647\u0645 \u0628\u0631\u0627\u06cc \u062d\u062f\u0627\u0642\u0644 \u062c\u0631\u06cc\u0627\u0646 \u06a9\u0646\u062a\u0631\u0644\u200c\u0634\u062f\u0647 \u0636\u0631\u0648\u0631\u06cc \u0627\u0633\u062a.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0627\u06cc\u0646 \u201c\u0646\u0633\u0628\u062a \u06a9\u0627\u0647\u0634 \u0633\u0631\u0645\u0627\u06cc\u0647\u201d \u062a\u0636\u0645\u06cc\u0646 \u0645\u06cc\u200c\u06a9\u0646\u062f \u06a9\u0647 <strong>\u0634\u06cc\u0631\u0647\u0627\u06cc \u06a9\u0631\u0648\u06cc \u0628\u0631\u0627\u06cc \u06a9\u0646\u062a\u0631\u0644 \u062c\u0631\u06cc\u0627\u0646<\/strong> \u062f\u0631 \u06a9\u0644 \u0645\u062d\u062f\u0648\u062f\u0647 \u0639\u0645\u0644\u06cc\u0627\u062a\u06cc \u0645\u0624\u062b\u0631 \u0628\u0627\u0642\u06cc \u0628\u0645\u0627\u0646\u0646\u062f \u0648 \u0627\u0632 \u0639\u0645\u0644\u06a9\u0631\u062f \u06cc\u06a9 \u0634\u06cc\u0631 \u06a9\u0646\u062a\u0631\u0644 \u062f\u0642\u06cc\u0642 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9 \u0634\u06cc\u0631 \u0642\u0637\u0639 \u0648 \u0648\u0635\u0644 \u0628\u0627 \u0632\u0645\u0627\u0646\u200c\u0628\u0646\u062f\u06cc \u0646\u0627\u0645\u0646\u0627\u0633\u0628 \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u06a9\u0646\u0646\u062f.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0639\u0644\u0627\u0648\u0647 \u0628\u0631 \u0645\u062d\u0627\u0633\u0628\u0647 \u062d\u062f\u0627\u06a9\u062b\u0631 \u062c\u0631\u06cc\u0627\u0646 \u0645\u0648\u0631\u062f \u0627\u0646\u062a\u0638\u0627\u0631\u060c \u0645\u062d\u0627\u0633\u0628\u0647 Cv \u0628\u0631\u0627\u06cc \u062d\u062f\u0627\u0642\u0644 \u062c\u0631\u06cc\u0627\u0646 \u06a9\u0646\u062a\u0631\u0644 \u0634\u062f\u0647 \u0646\u06cc\u0632 \u0628\u0633\u06cc\u0627\u0631 \u062d\u06cc\u0627\u062a\u06cc \u0627\u0633\u062a. \u0627\u06cc\u0646 \u0636\u0631\u06cc\u0628 \u2018\u0646\u0633\u0628\u062a \u06af\u0631\u062f\u0634 \u0628\u0647 \u067e\u0627\u06cc\u06cc\u0646\u2019 \u0646\u0627\u0645\u06cc\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f \u0648 \u062a\u0636\u0645\u06cc\u0646 \u0645\u06cc\u200c\u06a9\u0646\u062f \u06a9\u0647 \u0634\u06cc\u0631 \u06a9\u0631\u0648\u06cc \u0628\u0631\u0627\u06cc \u06a9\u0646\u062a\u0631\u0644 \u062c\u0631\u06cc\u0627\u0646 \u062f\u0631 \u0645\u062d\u062f\u0648\u062f\u0647 \u0639\u0645\u0644\u06cc\u0627\u062a\u06cc \u0628\u0647 \u062e\u0648\u0628\u06cc \u0639\u0645\u0644 \u0645\u06cc\u200c\u06a9\u0646\u062f. \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644\u060c \u062d\u062f\u0627\u06a9\u062b\u0631 Cv \u06cc\u06a9 \u0634\u06cc\u0631 \u06f1\u06f0\u06f0 \u0628\u0627 \u062d\u062f\u0627\u0642\u0644 \u062c\u0631\u06cc\u0627\u0646 \u06a9\u0646\u062a\u0631\u0644 \u0634\u062f\u0647 \u06f2 \u0627\u0633\u062a. \u0627\u06cc\u0646 \u0645\u0646\u062c\u0631 \u0628\u0647 \u0646\u0633\u0628\u062a \u06af\u0631\u062f\u0634 \u0628\u0647 \u067e\u0627\u06cc\u06cc\u0646 \u06f5\u06f0:\u06f1 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_is_the_relationship_Between_Cv_and_Pressure_Drop\"><\/span><strong>\u0631\u0627\u0628\u0637\u0647 \u0628\u06cc\u0646 Cv \u0648 \u0627\u0641\u062a \u0641\u0634\u0627\u0631 \u0686\u06cc\u0633\u062a\u061f<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0631\u0627\u0628\u0637\u0647 \u0628\u06cc\u0646 Cv \u0648 \u0627\u0641\u062a \u0641\u0634\u0627\u0631 \u0645\u0639\u06a9\u0648\u0633 \u0648 \u063a\u06cc\u0631\u062e\u0637\u06cc \u0627\u0633\u062a. \u062f\u0631 \u06cc\u06a9 \u0633\u06cc\u0633\u062a\u0645 \u06a9\u0646\u062a\u0631\u0644 \u062c\u0631\u06cc\u0627\u0646\u060c \u0627\u0646\u062a\u0638\u0627\u0631 \u0645\u06cc\u200c\u0631\u0648\u062f \u06a9\u0647 \u0634\u06cc\u0631 \u0646\u0642\u0637\u0647 \u0627\u0635\u0644\u06cc \u0627\u0641\u062a \u0641\u0634\u0627\u0631 \u0628\u0627\u0634\u062f. \u2018\u0627\u0646\u0631\u0698\u06cc \u0627\u062a\u0644\u0627\u0641 \u0634\u062f\u0647\u2019 \u0686\u06cc\u0632\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0627\u0645\u06a9\u0627\u0646 \u062a\u0646\u0638\u06cc\u0645 \u062c\u0631\u06cc\u0627\u0646 \u0631\u0627 \u0641\u0631\u0627\u0647\u0645 \u0645\u06cc\u200c\u06a9\u0646\u062f. \u0628\u0627 Cv \u0628\u0633\u06cc\u0627\u0631 \u0628\u0627\u0644\u0627\u06cc \u0634\u06cc\u0631\u060c \u0627\u0641\u062a \u0641\u0634\u0627\u0631 \u062f\u0631 \u0634\u06cc\u0631 \u0646\u0627\u0686\u06cc\u0632 \u0627\u0633\u062a. \u0627\u06cc\u0646 \u0627\u0645\u0631 \u0628\u0627\u0639\u062b \u0645\u06cc\u200c\u0634\u0648\u062f \u0644\u0648\u0644\u0647\u200c\u06a9\u0634\u06cc \u0633\u06cc\u0633\u062a\u0645 \u0628\u0647 \u062c\u0627\u06cc \u062e\u0648\u062f \u0634\u06cc\u0631\u060c \u0646\u0631\u062e \u062c\u0631\u06cc\u0627\u0646 \u0631\u0627 \u062a\u0639\u06cc\u06cc\u0646 \u06a9\u0646\u062f.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u062f\u0631 \u0639\u0645\u0644\u06a9\u0631\u062f \u0628\u0627\u0644\u0627 <strong>\u0634\u06cc\u0631\u0647\u0627\u06cc \u0635\u0646\u0639\u062a\u06cc \u06a9\u0631\u0648\u06cc<\/strong>, \u062d\u0641\u0638 \u0646\u0633\u0628\u062a \u0627\u0641\u062a \u0641\u0634\u0627\u0631 \u062b\u0627\u0628\u062a \u0628\u0633\u06cc\u0627\u0631 \u062d\u06cc\u0627\u062a\u06cc \u0627\u0633\u062a. \u0627\u06af\u0631 \u0627\u0641\u062a \u0641\u0634\u0627\u0631 (dP) \u0646\u0633\u0628\u062a \u0628\u0647 \u0627\u0641\u062a \u0641\u0634\u0627\u0631 \u06a9\u0644 \u0633\u06cc\u0633\u062a\u0645 \u0628\u0633\u06cc\u0627\u0631 \u06a9\u0645 \u0628\u0627\u0634\u062f (\u062d\u062f\u0648\u062f 25%)\u060c \u0634\u06cc\u0631 \u0627\u0642\u062a\u062f\u0627\u0631 \u062e\u0648\u062f \u0631\u0627 \u0628\u0631 \u0633\u06cc\u0627\u0644 \u0627\u0632 \u062f\u0633\u062a \u062e\u0648\u0627\u0647\u062f \u062f\u0627\u062f. \u062f\u0631 \u0647\u0645\u06cc\u0646 \u062d\u0627\u0644\u060c \u06cc\u06a9 \u0634\u06cc\u0631 \u06a9\u0648\u0686\u06a9 \u0628\u0627 Cv \u0646\u0627\u06a9\u0627\u0641\u06cc \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0645\u0646\u062c\u0631 \u0628\u0647 \u0627\u0641\u062a \u0641\u0634\u0627\u0631 \u0642\u0627\u0628\u0644 \u062a\u0648\u062c\u0647\u06cc \u0634\u0648\u062f.&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"524\" height=\"528\" src=\"https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/03\/Linear-vs-Equal-Percentage-globe-valve-flow-characteristic-e1772690517221.webp\" alt=\"\u0645\u0634\u062e\u0635\u0647 \u062c\u0631\u06cc\u0627\u0646 \u0634\u06cc\u0631 \u06a9\u0631\u0648\u06cc \u062e\u0637\u06cc \u062f\u0631 \u0645\u0642\u0627\u0628\u0644 \u0634\u06cc\u0631 \u06a9\u0631\u0648\u06cc \u0628\u0627 \u062f\u0631\u0635\u062f \u0645\u0633\u0627\u0648\u06cc\" class=\"wp-image-14749\" style=\"width:300px\" srcset=\"https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/03\/Linear-vs-Equal-Percentage-globe-valve-flow-characteristic-e1772690517221.webp 524w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/03\/Linear-vs-Equal-Percentage-globe-valve-flow-characteristic-e1772690517221-298x300.webp 298w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/03\/Linear-vs-Equal-Percentage-globe-valve-flow-characteristic-e1772690517221-150x150.webp 150w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/03\/Linear-vs-Equal-Percentage-globe-valve-flow-characteristic-e1772690517221-12x12.webp 12w\" sizes=\"(max-width: 524px) 100vw, 524px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u0627\u06af\u0631 \u06a9\u0633\u06cc \u062d\u0631\u06a9\u062a \u06a9\u0646\u062f <a href=\"https:\/\/www.xintaivalves.com\/fa\/blog\/valve-bonnets-comprehensive-guide\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u0633\u0627\u0642\u0647 \u0633\u0648\u067e\u0627\u067e<\/a> \u0627\u0632 100% \u062a\u0627 50% \u0628\u0627\u0632\u060c \u0647\u06cc\u0686 \u062a\u063a\u06cc\u06cc\u0631 \u0642\u0627\u0628\u0644 \u062a\u0648\u062c\u0647\u06cc \u062f\u0631 \u062c\u0631\u06cc\u0627\u0646 \u0627\u06cc\u062c\u0627\u062f \u0646\u0645\u06cc\u200c\u0634\u0648\u062f \u0648 \u06a9\u0646\u062a\u0631\u0644 \u062f\u0642\u06cc\u0642 \u0631\u0627 \u063a\u06cc\u0631\u0645\u0645\u06a9\u0646 \u0645\u06cc\u200c\u0633\u0627\u0632\u062f. \u0627\u06cc\u0646 \u0627\u0645\u0631 \u0634\u06cc\u0631 \u0631\u0627 \u2018\u062a\u062d\u0631\u06cc\u0641\u2019 \u0645\u06cc\u200c\u06a9\u0646\u062f \u0648 \u0628\u0647 \u0622\u0646 \u0627\u062c\u0627\u0632\u0647 \u0645\u06cc\u200c\u062f\u0647\u062f \u0641\u0642\u0637 \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u062a\u0642\u0631\u06cc\u0628\u0627\u064b \u0628\u0633\u062a\u0647 \u0627\u0633\u062a\u060c \u0634\u0631\u0648\u0639 \u0628\u0647 \u062a\u0646\u0638\u06cc\u0645 \u0633\u06cc\u0627\u0644 \u06a9\u0646\u062f.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0628\u0647 \u0639\u0628\u0627\u0631\u062a \u0633\u0627\u062f\u0647\u060c \u06cc\u06a9 Cv \u0646\u0627\u06a9\u0627\u0641\u06cc \u0628\u0627 \u0634\u06cc\u0631\u0647\u0627\u06cc \u06a9\u0648\u0686\u06a9 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0628\u0627\u0639\u062b \u0627\u0641\u062a \u0641\u0634\u0627\u0631 \u0632\u06cc\u0627\u062f\u06cc \u0634\u0648\u062f \u06a9\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0641\u0631\u0622\u06cc\u0646\u062f \u067e\u0627\u06cc\u06cc\u0646\u200c\u062f\u0633\u062a\u06cc \u0631\u0627 \u0628\u0627 \u0645\u0634\u06a9\u0644 \u0645\u0648\u0627\u062c\u0647 \u06a9\u0646\u062f. \u0639\u0644\u0627\u0648\u0647 \u0628\u0631 \u0627\u06cc\u0646\u060c \u067e\u0645\u067e \u0628\u0633\u06cc\u0627\u0631 \u0633\u062e\u062a\u200c\u062a\u0631 \u06a9\u0627\u0631 \u062e\u0648\u0627\u0647\u062f \u06a9\u0631\u062f \u0648 \u0627\u0646\u0631\u0698\u06cc \u0628\u06cc\u0634\u062a\u0631\u06cc \u0631\u0627 \u0647\u062f\u0631 \u0645\u06cc\u200c\u062f\u0647\u062f. \u0628\u0631\u0627\u06cc \u0645\u0647\u0646\u062f\u0633\u0627\u0646\u060c \u062d\u0641\u0638 \u062a\u0639\u0627\u062f\u0644 \u0628\u0631\u0627\u06cc \u0627\u0637\u0645\u06cc\u0646\u0627\u0646 \u0627\u0632 \u0639\u0645\u0644\u06a9\u0631\u062f \u0642\u0648\u06cc \u0634\u06cc\u0631 \u0628\u0633\u06cc\u0627\u0631 \u0645\u0647\u0645 \u0627\u0633\u062a.&nbsp;<\/p>\n\n\n\n<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n  <title>\u0645\u062d\u0635\u0648\u0644 \u0628\u0631\u062c\u0633\u062a\u0647 \u0642\u0647\u0631\u0645\u0627\u0646<\/title>\n  <style>\n    .hero-card {\n      display: flex;\n      flex-wrap: wrap;\n      align-items: center;\n      background: #f7f8fa;\n      border-radius: 16px;\n      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.05);\n      padding: 24px;\n      max-width: 900px;\n      margin: 40px auto;\n      font-family: Arial, sans-serif;\n      text-decoration: none;\n      color: inherit;\n      font-family: 'Poppins';\n    }\n\n    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padding-left: 0;\n        padding-top: 20px;\n      }\n\n      .hero-image {\n        width: 100%;\n        max-width: 280px;\n      }\n    }\n  <\/style>\n<\/head>\n<body>\n\n<a class=\"hero-card\" href=\"https:\/\/www.xintaivalves.com\/fa\/products\/din-flange-cast-steel-globe-valve\/\" target=\"_blank\">\n  <img decoding=\"async\" class=\"hero-image\" src=\"https:\/\/dbfhaf64fpo53.cloudfront.net\/wp-content\/uploads\/2022\/02\/3b0b49a68e4070bcc1a92e89bf1b121f.jpg\" alt=\"\u0634\u06cc\u0631 \u06af\u0644\u0648\u0628 \u0641\u0648\u0644\u0627\u062f\u06cc \u0631\u06cc\u062e\u062a\u0647 \u06af\u0631\u06cc DIN\">\n  <div class=\"hero-content\">\n    <div class=\"hero-title\">\u2699\ufe0f \u0634\u06cc\u0631 \u06a9\u0631\u0648\u06cc \u0641\u0648\u0644\u0627\u062f\u06cc \u0641\u0644\u0646\u062c\u200c\u062f\u0627\u0631 DIN<\/div>\n    <div class=\"hero-description\">\u062f\u0627\u0645\u0646\u0647 \u06a9\u0627\u0631\u0628\u0631\u062f: \u0635\u0646\u0627\u06cc\u0639 \u0634\u06cc\u0645\u06cc\u0627\u06cc\u06cc \u0646\u0641\u062a\u060c \u0628\u0631\u0642\u060c \u0645\u062a\u0627\u0644\u0648\u0631\u0698\u06cc\u060c \u067e\u0632\u0634\u06a9\u06cc\u060c \u0627\u0645\u0644\u0627\u06a9 \u0648 \u0645\u0633\u062a\u063a\u0644\u0627\u062a\u060c \u0645\u0647\u0646\u062f\u0633\u06cc \u0634\u0647\u0631\u06cc \u0648 \u0633\u0627\u06cc\u0631 \u0635\u0646\u0627\u06cc\u0639.<\/div>\n    <span class=\"hero-link\">\u0645\u062d\u0635\u0648\u0644 \u0631\u0627 \u06a9\u0627\u0648\u0634 \u06a9\u0646\u06cc\u062f<\/span>\n  <\/div>\n<\/a>\n\n<\/body>\n<\/html>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Final_Thoughts\"><\/span><strong>\u0646\u06a9\u0627\u062a \u067e\u0627\u06cc\u0627\u0646\u06cc<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0636\u0631\u06cc\u0628 \u062c\u0631\u06cc\u0627\u0646 \u06cc\u06a9 \u067e\u0627\u0631\u0627\u0645\u062a\u0631 \u0641\u0646\u06cc \u06a9\u0644\u06cc\u062f\u06cc \u0628\u0631\u0627\u06cc \u0633\u0645\u062a \u0631\u0627\u0633\u062a \u0627\u0633\u062a <strong>\u0634\u06cc\u0631\u0647\u0627\u06cc \u06a9\u0631\u0648\u06cc \u0628\u0631\u0627\u06cc \u06a9\u0646\u062a\u0631\u0644 \u062c\u0631\u06cc\u0627\u0646. <\/strong>\u0628\u0647 \u062c\u0627\u06cc \u062a\u0645\u0631\u06a9\u0632 \u0635\u0631\u0641 \u0628\u0631 \u062a\u0637\u0628\u06cc\u0642 \u0644\u0648\u0644\u0647\u060c Cv \u0631\u0627 \u0645\u0647\u0645\u200c\u062a\u0631 \u06a9\u0646\u06cc\u062f \u062a\u0627 \u0645\u0647\u0646\u062f\u0633\u0627\u0646 \u0628\u062a\u0648\u0627\u0646\u0646\u062f \u0628\u06cc\u200c\u062b\u0628\u0627\u062a\u06cc \u06a9\u0646\u062a\u0631\u0644 \u0631\u0627 \u0627\u0632 \u0628\u06cc\u0646 \u0628\u0628\u0631\u0646\u062f\u060c \u0633\u0627\u06cc\u0634 \u0645\u06a9\u0627\u0646\u06cc\u06a9\u06cc \u0631\u0627 \u06a9\u0627\u0647\u0634 \u062f\u0647\u0646\u062f \u0648 \u0645\u0635\u0631\u0641 \u0627\u0646\u0631\u0698\u06cc \u0631\u0627 \u0628\u0647\u06cc\u0646\u0647 \u06a9\u0646\u0646\u062f.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0686\u0647 \u0627\u0632 \u0645\u0646\u0627\u0628\u0639 \u062c\u0647\u0627\u0646\u06cc \u062a\u0623\u0645\u06cc\u0646 \u06a9\u0646\u06cc\u062f\u060c \u0686\u0647 \u0646\u0628\u0627\u0634\u06cc\u062f <strong>\u062a\u0627\u0645\u06cc\u0646 \u06a9\u0646\u0646\u062f\u06af\u0627\u0646 \u0634\u06cc\u0631 \u06a9\u0631\u0648\u06cc <\/strong>\u06cc\u0627 \u0647\u0646\u06af\u0627\u0645 \u0637\u0631\u0627\u062d\u06cc \u06cc\u06a9 \u0633\u06cc\u0633\u062a\u0645 \u062c\u062f\u06cc\u062f\u060c \u0647\u062f\u0641 \u0647\u0645\u06cc\u0634\u0647 \u0628\u0627\u06cc\u062f \u062a\u0639\u06cc\u06cc\u0646 \u0627\u0646\u062f\u0627\u0632\u0647 \u0634\u06cc\u0631 \u0628\u0627\u0634\u062f. \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0628\u0627\u0639\u062b \u0645\u06cc\u200c\u0634\u0648\u062f \u06a9\u0647 \u0628\u062f\u0648\u0646 \u0627\u06cc\u062c\u0627\u062f \u0639\u0648\u0627\u0631\u0636 \u062c\u0627\u0646\u0628\u06cc\u060c \u06a9\u0646\u062a\u0631\u0644 \u0633\u06cc\u0627\u0644 \u062d\u0641\u0638 \u0634\u0648\u062f. \u0627\u0646\u062f\u0627\u0632\u0647 \u0645\u0646\u0627\u0633\u0628<strong> \u0634\u06cc\u0631\u0647\u0627\u06cc \u0635\u0646\u0639\u062a\u06cc \u06a9\u0631\u0648\u06cc<\/strong> \u067e\u0627\u06cc\u0647 \u0648 \u0627\u0633\u0627\u0633 \u06cc\u06a9 \u0633\u06cc\u0633\u062a\u0645 \u06a9\u0646\u062a\u0631\u0644 \u062c\u0631\u06cc\u0627\u0646 \u06a9\u0627\u0631\u0622\u0645\u062f \u0648 \u0642\u0627\u0628\u0644 \u0627\u0639\u062a\u0645\u0627\u062f \u0647\u0633\u062a\u0646\u062f.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-fe48e5de wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-white-color has-vivid-red-background-color has-text-color has-background has-link-color has-medium-font-size has-custom-font-size wp-element-button\" 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But given the complexity of industrial piping, one must also have a clear understanding of the valve flow coefficient, also known as Cv. It serves as a definitive metric for determining the valve\u2019s performance under specific flow and pressure conditions. Industries using globe [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":14746,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[306],"tags":[],"class_list":["post-14745","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technical-science"],"_links":{"self":[{"href":"https:\/\/www.xintaivalves.com\/fa\/wp-json\/wp\/v2\/posts\/14745","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xintaivalves.com\/fa\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xintaivalves.com\/fa\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/fa\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/fa\/wp-json\/wp\/v2\/comments?post=14745"}],"version-history":[{"count":2,"href":"https:\/\/www.xintaivalves.com\/fa\/wp-json\/wp\/v2\/posts\/14745\/revisions"}],"predecessor-version":[{"id":14753,"href":"https:\/\/www.xintaivalves.com\/fa\/wp-json\/wp\/v2\/posts\/14745\/revisions\/14753"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/fa\/wp-json\/wp\/v2\/media\/14746"}],"wp:attachment":[{"href":"https:\/\/www.xintaivalves.com\/fa\/wp-json\/wp\/v2\/media?parent=14745"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xintaivalves.com\/fa\/wp-json\/wp\/v2\/categories?post=14745"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xintaivalves.com\/fa\/wp-json\/wp\/v2\/tags?post=14745"}],"curies":[{"name":"\u0648\u0631\u062f\u067e\u0631\u0633","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}