{"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\/ar\/blog\/technical-science\/cv-impact-on-selection-efficiency\/","title":{"rendered":"\u0645\u0627 \u0647\u0648 \u062f\u0648\u0631 \u0645\u0639\u0627\u0645\u0644 \u0627\u0644\u062a\u062f\u0641\u0642 (Cv) \u0641\u064a \u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0635\u0645\u0627\u0645 \u0644\u062a\u0639\u0632\u064a\u0632 \u0627\u0644\u0643\u0641\u0627\u0621\u0629 \u0641\u064a \u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0627\u0644\u062a\u062f\u0641\u0642\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\">\u062c\u062f\u0648\u0644 \u0627\u0644\u0645\u062d\u062a\u0648\u064a\u0627\u062a<\/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=\"\u062a\u0628\u062f\u064a\u0644 \u062c\u062f\u0648\u0644 \u0627\u0644\u0645\u062d\u062a\u0648\u0649\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">\u062a\u0628\u062f\u064a\u0644<\/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\/ar\/blog\/technical-science\/cv-impact-on-selection-efficiency\/#What_is_a_Valve_Flow_Coefficient_Cv\" >\u0645\u0627 \u0647\u0648 \u0645\u0639\u0627\u0645\u0644 \u062a\u062f\u0641\u0642 \u0627\u0644\u0635\u0645\u0627\u0645 (Cv)\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\/ar\/blog\/technical-science\/cv-impact-on-selection-efficiency\/#How_Oversized_Valves_Cause_Control_Instability\" >\u0643\u064a\u0641 \u062a\u062a\u0633\u0628\u0628 \u0627\u0644\u0635\u0645\u0627\u0645\u0627\u062a \u0643\u0628\u064a\u0631\u0629 \u0627\u0644\u062d\u062c\u0645 \u0641\u064a \u0639\u062f\u0645 \u0627\u0633\u062a\u0642\u0631\u0627\u0631 \u0627\u0644\u062a\u062d\u0643\u0645\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\/ar\/blog\/technical-science\/cv-impact-on-selection-efficiency\/#How_to_Calculate_Required_Cv_for_Specific_Flow_Rates\" >\u0643\u064a\u0641\u064a\u0629 \u062d\u0633\u0627\u0628 \u0645\u0639\u0627\u0645\u0644 \u0627\u0644\u062a\u062f\u0641\u0642 \u0627\u0644\u0645\u0637\u0644\u0648\u0628 \u0644\u0645\u0639\u062f\u0644\u0627\u062a \u062a\u062f\u0641\u0642 \u0645\u062d\u062f\u062f\u0629\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\/ar\/blog\/technical-science\/cv-impact-on-selection-efficiency\/#What_is_the_relationship_Between_Cv_and_Pressure_Drop\" >\u0645\u0627 \u0647\u064a \u0627\u0644\u0639\u0644\u0627\u0642\u0629 \u0628\u064a\u0646 \u0645\u0639\u0627\u0645\u0644 \u0627\u0644\u062a\u062f\u0641\u0642 \u0648\u0627\u0646\u062e\u0641\u0627\u0636 \u0627\u0644\u0636\u063a\u0637\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\/ar\/blog\/technical-science\/cv-impact-on-selection-efficiency\/#Final_Thoughts\" >\u0627\u0644\u0623\u0641\u0643\u0627\u0631 \u0627\u0644\u0646\u0647\u0627\u0626\u064a\u0629<\/a><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\">\u064a\u064f\u0639\u062f\u0651 \u0627\u062e\u062a\u064a\u0627\u0631 \u0623\u0642\u0637\u0627\u0631 \u0627\u0644\u0623\u0646\u0627\u0628\u064a\u0628 \u0627\u0644\u0645\u0646\u0627\u0633\u0628\u0629 \u0639\u0645\u0644\u064a\u0629\u064b \u0645\u0647\u0645\u0629\u064b \u0641\u064a \u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0639\u062f\u0627\u062a \u0627\u0644\u0645\u0646\u0627\u0633\u0628\u0629. \u0648\u0644\u0643\u0646 \u0646\u0638\u0631\u064b\u0627 \u0644\u062a\u0639\u0642\u064a\u062f \u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0623\u0646\u0627\u0628\u064a\u0628 \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629\u060c \u064a\u062c\u0628 \u0623\u064a\u0636\u064b\u0627 \u0623\u0646 \u064a\u0643\u0648\u0646 \u0644\u062f\u0649 \u0627\u0644\u0645\u0631\u0621 \u0641\u0647\u0645 \u0648\u0627\u0636\u062d \u0644\u0640 <a href=\"https:\/\/www.xintaivalves.com\/ar\/blog\/what-is-valve-flow-coefficient\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u0645\u0639\u0627\u0645\u0644 \u062a\u062f\u0641\u0642 \u0627\u0644\u0635\u0645\u0627\u0645<\/a>, \u064a\u064f\u0639\u0631\u0641 \u0623\u064a\u0636\u064b\u0627 \u0628\u0627\u0633\u0645 Cv. \u0648\u0647\u0648 \u0628\u0645\u062b\u0627\u0628\u0629 \u0645\u0642\u064a\u0627\u0633 \u062d\u0627\u0633\u0645 \u0644\u062a\u062d\u062f\u064a\u062f \u0623\u062f\u0627\u0621 \u0627\u0644\u0635\u0645\u0627\u0645 \u0641\u064a \u0638\u0644 \u0638\u0631\u0648\u0641 \u062a\u062f\u0641\u0642 \u0648\u0636\u063a\u0637 \u0645\u062d\u062f\u062f\u0629. \u062a\u0633\u062a\u062e\u062f\u0645\u0647 \u0627\u0644\u0635\u0646\u0627\u0639\u0627\u062a <a href=\"https:\/\/www.xintaivalves.com\/ar\/blog\/flow-control-valve-comprehensive-guide\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u0635\u0645\u0627\u0645\u0627\u062a \u0643\u0631\u0648\u064a\u0629 \u0644\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0627\u0644\u062a\u062f\u0641\u0642<\/a> \u0627\u0639\u062a\u0628\u0631 \u0642\u064a\u0645\u0629 Cv \u0627\u0644\u0645\u062a\u063a\u064a\u0631 \u0627\u0644\u0623\u0633\u0627\u0633\u064a \u0644\u062a\u062d\u0642\u064a\u0642 \u0627\u0644\u062a\u0648\u0627\u0632\u0646 \u0628\u064a\u0646 \u0623\u062f\u0627\u0621 \u0627\u0644\u0646\u0638\u0627\u0645 \u0648\u0637\u0648\u0644 \u0627\u0644\u0639\u0645\u0631 \u0627\u0644\u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u063a\u0627\u0644\u0628\u0627\u064b \u0645\u0627 \u064a\u0624\u062f\u064a \u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0635\u0645\u0627\u0645 \u0628\u0646\u0627\u0621\u064b \u0639\u0644\u0649 \u0627\u0644\u062d\u062c\u0645 \u0627\u0644\u0627\u0633\u0645\u064a \u0644\u0644\u0623\u0646\u0628\u0648\u0628 \u0641\u0642\u0637 \u0625\u0644\u0649 \u0623\u0648\u062c\u0647 \u0642\u0635\u0648\u0631 \u0641\u064a \u0627\u0644\u0646\u0638\u0627\u0645. \u0628\u062f\u0644\u0627\u064b \u0645\u0646 \u0630\u0644\u0643\u060c \u064a\u0633\u0645\u062d \u0627\u0644\u062a\u062d\u0644\u064a\u0644 \u0627\u0644\u0641\u0646\u064a \u0627\u0644\u0645\u0639\u0645\u0642 \u0644\u0645\u0639\u0627\u0645\u0644\u0627\u062a \u0627\u0644\u062a\u062f\u0641\u0642 \u0644\u0644\u0645\u0634\u063a\u0644\u064a\u0646 \u0628\u062a\u0648\u0642\u0639 \u0627\u0646\u062e\u0641\u0627\u0636\u0627\u062a \u0627\u0644\u0636\u063a\u0637 \u0648\u0636\u0645\u0627\u0646 \u0630\u0644\u0643. <strong>\u0635\u0645\u0627\u0645\u0627\u062a \u0643\u0631\u0648\u064a\u0629 \u0635\u0646\u0627\u0639\u064a\u0629<\/strong> \u062a\u0639\u0645\u0644 \u0647\u0630\u0647 \u0627\u0644\u0623\u0646\u0638\u0645\u0629 \u0636\u0645\u0646 \u0646\u0637\u0627\u0642 \u0623\u062f\u0627\u0626\u0647\u0627 \u0627\u0644\u0645\u062d\u062f\u062f. \u064a\u0633\u062a\u0643\u0634\u0641 \u0647\u0630\u0627 \u0627\u0644\u062a\u062d\u0644\u064a\u0644 \u0627\u0644\u0623\u0647\u0645\u064a\u0629 \u0627\u0644\u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a\u0629 \u0644\u0645\u0639\u0627\u0645\u0644 \u0627\u0644\u062a\u062f\u0641\u0642 (Cv) \u0648\u062f\u0648\u0631\u0647 \u0627\u0644\u062d\u0627\u0633\u0645 \u0641\u064a \u062a\u062d\u0633\u064a\u0646 \u0627\u0644\u062a\u062d\u0643\u0645 \u0627\u0644\u062d\u062f\u064a\u062b \u0641\u064a \u0627\u0644\u062a\u062f\u0641\u0642.<\/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>\u0645\u0627 \u0647\u0648 \u0645\u0639\u0627\u0645\u0644 \u062a\u062f\u0641\u0642 \u0627\u0644\u0635\u0645\u0627\u0645 (Cv)\u061f<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0645\u0639\u0627\u0645\u0644 \u0627\u0644\u062a\u062f\u0641\u0642\u060c \u0623\u0648 Cv\u060c \u0647\u0648 \u0642\u064a\u0645\u0629 \u0631\u064a\u0627\u0636\u064a\u0629 \u0645\u0648\u062d\u062f\u0629 \u062a\u0645\u062b\u0644 \u0633\u0639\u0629 \u062a\u062f\u0641\u0642 \u0627\u0644\u0635\u0645\u0627\u0645. \u064a\u064f\u0639\u0631\u064e\u0651\u0641 Cv \u0628\u0623\u0646\u0647 \u062d\u062c\u0645 \u0627\u0644\u0645\u0627\u0621 \u0639\u0646\u062f \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 60 \u0641\u0647\u0631\u0646\u0647\u0627\u064a\u062a (\u0628\u0627\u0644\u063a\u0627\u0644\u0648\u0646\u0627\u062a \u0627\u0644\u0623\u0645\u0631\u064a\u0643\u064a\u0629 \u0641\u064a \u0627\u0644\u062f\u0642\u064a\u0642\u0629) \u0627\u0644\u0630\u064a \u064a\u0645\u0631 \u0639\u0628\u0631 \u0635\u0645\u0627\u0645 \u0645\u0641\u062a\u0648\u062d \u0628\u0627\u0644\u0643\u0627\u0645\u0644 \u0645\u0639 \u0627\u0646\u062e\u0641\u0627\u0636 \u0641\u064a \u0627\u0644\u0636\u063a\u0637 \u0645\u0642\u062f\u0627\u0631\u0647 1 \u0631\u0637\u0644 \u0644\u0643\u0644 \u0628\u0648\u0635\u0629 \u0645\u0631\u0628\u0639\u0629. \u0648\u0642\u062f \u0637\u064f\u0648\u0650\u0651\u0631 \u0647\u0630\u0627 \u0627\u0644\u0645\u0639\u0627\u0645\u0644 \u0644\u062a\u0648\u0641\u064a\u0631 &quot;\u0644\u063a\u0629&quot; \u0639\u0627\u0644\u0645\u064a\u0629 \u0644\u0640 <strong>\u0645\u0648\u0631\u062f\u0648 \u0635\u0645\u0627\u0645\u0627\u062a \u0627\u0644\u0643\u0631\u0629 \u0627\u0644\u0623\u0631\u0636\u064a\u0629<\/strong> \u0648\u0627\u0644\u0645\u0647\u0646\u062f\u0633\u064a\u0646 \u0644\u0645\u0642\u0627\u0631\u0646\u0629 \u0642\u062f\u0631\u0629 \u062a\u0635\u0645\u064a\u0645\u0627\u062a \u0627\u0644\u0635\u0645\u0627\u0645\u0627\u062a \u0627\u0644\u0645\u062e\u062a\u0644\u0641\u0629 \u0628\u063a\u0636 \u0627\u0644\u0646\u0638\u0631 \u0639\u0646 \u0623\u0628\u0639\u0627\u062f\u0647\u0627 \u0627\u0644\u0645\u0627\u062f\u064a\u0629.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0641\u064a <strong>\u0635\u0645\u0627\u0645\u0627\u062a \u0643\u0631\u0648\u064a\u0629 \u0644\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0627\u0644\u062a\u062f\u0641\u0642<\/strong>, \u062a\u064f\u0633\u0628\u0628 \u0627\u0644\u0647\u0646\u062f\u0633\u0629 \u0627\u0644\u062f\u0627\u062e\u0644\u064a\u0629\u060c \u0648\u062a\u062d\u062f\u064a\u062f\u064b\u0627 \u0645\u0633\u0627\u0631 \u0627\u0644\u062a\u062f\u0641\u0642 \u0639\u0644\u0649 \u0634\u0643\u0644 \u062d\u0631\u0641 &quot;S&quot;\u060c \u0645\u0642\u0627\u0648\u0645\u0629\u064b \u0643\u0627\u0645\u0646\u0629. \u0648\u064a\u064f\u0631\u0627\u0639\u064a \u0645\u0639\u0627\u0645\u0644 \u0627\u0644\u062a\u062f\u0641\u0642 (Cv) \u0647\u0630\u0647 \u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0629 \u0645\u0646 \u062e\u0644\u0627\u0644 \u062d\u0633\u0627\u0628 \u0641\u0642\u062f\u0627\u0646 \u0627\u0644\u0627\u062d\u062a\u0643\u0627\u0643 \u0627\u0644\u0646\u0627\u062a\u062c \u0639\u0646 \u0641\u062a\u062d\u0629 \u0627\u0644\u0645\u0642\u0639\u062f\u060c \u0648\u0634\u0643\u0644 \u0627\u0644\u0642\u0627\u0628\u0633\u060c \u0648\u062c\u0633\u0645 \u0627\u0644\u0635\u0645\u0627\u0645. \u0648\u062a\u0634\u064a\u0631 \u0627\u0644\u0642\u064a\u0645\u0629 \u0627\u0644\u0623\u0639\u0644\u0649 \u0625\u0644\u0649 \u0645\u0642\u0627\u0648\u0645\u0629 \u0623\u0642\u0644 \u0644\u0644\u062a\u062f\u0641\u0642\u060c \u0628\u064a\u0646\u0645\u0627 \u062a\u0634\u064a\u0631 \u0627\u0644\u0642\u064a\u0645\u0629 \u0627\u0644\u0623\u0642\u0644 \u0625\u0644\u0649 \u0645\u0633\u0627\u0631 \u0623\u0643\u062b\u0631 \u062a\u0642\u064a\u064a\u062f\u064b\u0627.&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>\u0643\u064a\u0641 \u062a\u062a\u0633\u0628\u0628 \u0627\u0644\u0635\u0645\u0627\u0645\u0627\u062a \u0643\u0628\u064a\u0631\u0629 \u0627\u0644\u062d\u062c\u0645 \u0641\u064a \u0639\u062f\u0645 \u0627\u0633\u062a\u0642\u0631\u0627\u0631 \u0627\u0644\u062a\u062d\u0643\u0645\u061f<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0627\u0644\u0642\u0648\u0644 \u0628\u0623\u0646 &quot;\u0627\u0644\u0623\u0643\u0628\u0631 \u0647\u0648 \u0627\u0644\u0623\u0641\u0636\u0644&quot; \u0647\u0648 \u0645\u0641\u0647\u0648\u0645 \u062e\u0627\u0637\u0626 \u0634\u0627\u0626\u0639 \u0641\u064a \u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u0623\u0646\u0627\u0628\u064a\u0628. \u0648\u0645\u0639 \u0630\u0644\u0643\u060c \u0641\u0625\u0646 \u0627\u0644\u0623\u0646\u0627\u0628\u064a\u0628 \u0643\u0628\u064a\u0631\u0629 \u0627\u0644\u062d\u062c\u0645 <strong>\u0635\u0645\u0627\u0645\u0627\u062a \u0643\u0631\u0648\u064a\u0629 \u0635\u0646\u0627\u0639\u064a\u0629 <\/strong>\u062a\u064f\u0639\u062f\u0651 \u0647\u0630\u0647 \u0645\u0646 \u0627\u0644\u0623\u0633\u0628\u0627\u0628 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629 \u0644\u0639\u062f\u0645 \u0627\u0633\u062a\u0642\u0631\u0627\u0631 \u0627\u0644\u062a\u062d\u0643\u0645 \u0648\u0627\u0644\u0639\u0637\u0644 \u0627\u0644\u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a \u0627\u0644\u0645\u0628\u0643\u0631. \u0641\u0627\u0644\u0635\u0645\u0627\u0645\u0627\u062a \u0627\u0644\u0643\u0628\u064a\u0631\u0629 \u062c\u062f\u064b\u0627 \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0644\u062a\u062f\u0641\u0642 \u0627\u0644\u0645\u0637\u0644\u0648\u0628 \u062a\u0639\u0646\u064a \u0623\u0646\u0647\u0627 \u064a\u062c\u0628 \u0623\u0646 \u062a\u0639\u0645\u0644 \u0628\u0627\u0644\u0642\u0631\u0628 \u0645\u0646 \u0645\u0642\u0639\u062f\u0647\u0627 \u0644\u0644\u062d\u0641\u0627\u0638 \u0639\u0644\u0649 \u0646\u0642\u0637\u0629 \u0627\u0644\u0636\u0628\u0637 \u0627\u0644\u0645\u0637\u0644\u0648\u0628\u0629.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u064a\u064f\u0624\u062f\u064a \u0647\u0630\u0627 \u0627\u0644\u062a\u0642\u0627\u0631\u0628 \u0625\u0644\u0649 \u062e\u0644\u0642 \u0627\u0644\u0639\u062f\u064a\u062f \u0645\u0646 \u0627\u0644\u0645\u062e\u0627\u0637\u0631 \u0627\u0644\u062a\u0634\u063a\u064a\u0644\u064a\u0629\u060c \u0648\u0627\u0644\u062a\u064a \u062a\u0634\u0645\u0644 \u0645\u0627 \u064a\u0644\u064a:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0627\u0644\u0645\u0637\u0627\u0631\u062f\u0629 \u0648\u0627\u0644\u062a\u0630\u0628\u0630\u0628:<\/strong> \u0633\u064a\u0648\u0627\u062c\u0647 \u0646\u0638\u0627\u0645 \u0627\u0644\u062a\u062d\u0643\u0645 \u0635\u0639\u0648\u0628\u0629 \u0641\u064a \u0627\u0644\u062d\u0641\u0627\u0638 \u0639\u0644\u0649 \u0648\u0636\u0639 \u0645\u0633\u062a\u0642\u0631. \u064a\u062a\u0630\u0628\u0630\u0628 \u0627\u0644\u0635\u0645\u0627\u0645\u060c \u0645\u0645\u0627 \u0642\u062f \u064a\u0624\u062f\u064a \u0641\u064a \u0627\u0644\u0646\u0647\u0627\u064a\u0629 \u0625\u0644\u0649 \u062a\u0622\u0643\u0644 \u0627\u0644\u0633\u064a\u0642\u0627\u0646 \u0648\u0627\u0644\u0645\u0634\u063a\u0644. \u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644\u060c \u0641\u064a \u0645\u0646\u0634\u0623\u0629 \u0635\u0646\u0627\u0639\u064a\u0629 \u062d\u0642\u064a\u0642\u064a\u0629\u060c \u064a\u0624\u062f\u064a \u0627\u0644\u062a\u0630\u0628\u0630\u0628 \u0627\u0644\u0645\u0633\u062a\u0645\u0631 \u0625\u0644\u0649 \u0639\u062f\u0645 \u0627\u0633\u062a\u0642\u0631\u0627\u0631 \u0646\u0642\u0627\u0637 \u0636\u0628\u0637 \u0627\u0644\u0636\u063a\u0637\u060c \u0645\u0645\u0627 \u0642\u062f \u064a\u0624\u062f\u064a \u0625\u0644\u0649 \u0627\u0646\u0633\u062f\u0627\u062f \u0645\u0628\u0643\u0631.&nbsp;<\/li>\n\n\n\n<li><strong>\u0627\u0644\u062a\u0639\u0631\u064a\u0629 \u0648\u0627\u0644\u062a\u062c\u0648\u064a\u0641:<\/strong> \u0642\u062f \u064a\u062d\u062f\u062b \u0633\u062d\u0628 \u0627\u0644\u0623\u0633\u0644\u0627\u0643 \u0648\u0627\u0646\u062e\u0641\u0627\u0636 \u0627\u0644\u0636\u063a\u0637 \u0627\u0644\u0645\u0648\u0636\u0639\u064a \u0639\u0646\u062f\u0645\u0627 \u064a\u0645\u0631 \u0633\u0627\u0626\u0644 \u0639\u0627\u0644\u064a \u0627\u0644\u0633\u0631\u0639\u0629 \u0639\u0628\u0631 \u0641\u062a\u062d\u0627\u062a \u0636\u064a\u0642\u0629 \u0628\u064a\u0646 \u0627\u0644\u0645\u0642\u0639\u062f \u0648\u0627\u0644\u0642\u0627\u0628\u0633. \u0648\u0647\u0630\u0627 \u0642\u062f \u064a\u0624\u062f\u064a \u0625\u0644\u0649 \u062d\u062f\u0648\u062b \u062a\u062c\u0648\u064a\u0641.&nbsp;<\/li>\n\n\n\n<li>\u064a\u0636\u0645\u0646 \u062a\u0648\u0627\u0641\u0642 \u0645\u0639\u0627\u0645\u0644 \u0627\u0644\u062a\u062f\u0641\u0642 (Cv) \u0644\u0644\u0635\u0645\u0627\u0645 \u0645\u0639 \u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u0641\u0639\u0644\u064a\u0629 \u062a\u0634\u063a\u064a\u0644 \u0627\u0644\u062c\u0647\u0627\u0632 \u0636\u0645\u0646 \u0646\u0637\u0627\u0642\u0647 \u0627\u0644\u0623\u0645\u062b\u0644. \u0648\u0639\u0627\u062f\u0629\u064b \u0645\u0627 \u064a\u0643\u0648\u0646 \u0647\u0630\u0627 \u0627\u0644\u0646\u0637\u0627\u0642 \u0628\u064a\u0646 20% \u064880% \u0645\u0646 \u0645\u0633\u0627\u0631\u0647\u060c \u062d\u064a\u062b \u064a\u0643\u0648\u0646 \u0627\u0644\u062a\u062d\u0643\u0645 \u0623\u0643\u062b\u0631 \u0627\u0633\u062a\u0642\u0631\u0627\u0631\u064b\u0627 \u0648\u062e\u0637\u064a\u0629.&nbsp;<\/li>\n\n\n\n<li><strong>\u0643\u064a\u0641\u064a\u0629 \u062d\u0633\u0627\u0628 \u0645\u0639\u0627\u0645\u0644 \u0627\u0644\u062a\u062f\u0641\u0642 \u0627\u0644\u0645\u0637\u0644\u0648\u0628 \u0644\u0645\u0639\u062f\u0644\u0627\u062a \u062a\u062f\u0641\u0642 \u0645\u062d\u062f\u062f\u0629\u061f<\/strong><strong>\u062d\u0633\u0627\u0633\u064a\u0629: <\/strong>\u062d\u062a\u0649 \u062a\u063a\u064a\u064a\u0631 \u0637\u0641\u064a\u0641 \u0641\u064a \u0645\u0648\u0636\u0639 \u0633\u0627\u0642 \u0627\u0644\u0635\u0645\u0627\u0645 \u0642\u062f \u064a\u0624\u062b\u0631 \u0639\u0644\u0649 \u0627\u0644\u062a\u062f\u0641\u0642\u060c \u0645\u0645\u0627 \u064a\u062c\u0639\u0644 \u0627\u0644\u062a\u062d\u0643\u0645 \u0627\u0644\u062f\u0642\u064a\u0642 \u063a\u064a\u0631 \u0645\u0645\u0643\u0646. \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0636\u063a\u0637 \u0627\u0644\u0639\u0627\u0644\u064a\u060c \u0642\u062f \u062a\u0644\u0628\u064a \u0627\u0644\u0635\u0645\u0627\u0645\u0627\u062a \u0643\u0628\u064a\u0631\u0629 \u0627\u0644\u062d\u062c\u0645 \u0627\u0644\u062a\u062f\u0641\u0642 \u0627\u0644\u0645\u0637\u0644\u0648\u0628 \u0639\u0646\u062f \u062d\u0648\u0627\u0644\u064a 5% \u0645\u0646 \u0634\u0648\u0637\u0647\u0627 \u0627\u0644\u0643\u0644\u064a.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u064a\u0636\u0645\u0646 \u062a\u0648\u0627\u0641\u0642 \u0645\u0639\u0627\u0645\u0644 \u0627\u0644\u062a\u062f\u0641\u0642 (Cv) \u0644\u0644\u0635\u0645\u0627\u0645 \u0645\u0639 \u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u0641\u0639\u0644\u064a\u0629 \u062a\u0634\u063a\u064a\u0644 \u0627\u0644\u062c\u0647\u0627\u0632 \u0636\u0645\u0646 \u0646\u0637\u0627\u0642\u0647 \u0627\u0644\u0623\u0645\u062b\u0644. \u0648\u0639\u0627\u062f\u0629\u064b \u0645\u0627 \u064a\u0643\u0648\u0646 \u0647\u0630\u0627 \u0627\u0644\u0646\u0637\u0627\u0642 \u0628\u064a\u0646 20% \u064880% \u0645\u0646 \u0645\u0633\u0627\u0631\u0647\u060c \u062d\u064a\u062b \u064a\u0643\u0648\u0646 \u0627\u0644\u062a\u062d\u0643\u0645 \u0623\u0643\u062b\u0631 \u0627\u0633\u062a\u0642\u0631\u0627\u0631\u064b\u0627 \u0648\u062e\u0637\u064a\u0629.&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>\u0643\u064a\u0641\u064a\u0629 \u062d\u0633\u0627\u0628 \u0645\u0639\u0627\u0645\u0644 \u0627\u0644\u062a\u062f\u0641\u0642 \u0627\u0644\u0645\u0637\u0644\u0648\u0628 \u0644\u0645\u0639\u062f\u0644\u0627\u062a \u062a\u062f\u0641\u0642 \u0645\u062d\u062f\u062f\u0629\u061f<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0644\u062a\u062c\u0646\u0628 \u0645\u062e\u0627\u0637\u0631 \u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u062d\u062c\u0645 \u063a\u064a\u0631 \u0627\u0644\u0645\u0646\u0627\u0633\u0628\u060c \u064a\u062c\u0628 \u0639\u0644\u0649 \u0627\u0644\u0645\u0647\u0646\u062f\u0633\u064a\u0646 \u062d\u0633\u0627\u0628 \u0645\u0639\u0627\u0645\u0644 \u0627\u0644\u062a\u062f\u0641\u0642 \u0627\u0644\u0645\u0637\u0644\u0648\u0628 (Cv) \u0628\u0646\u0627\u0621\u064b \u0639\u0644\u0649 \u0645\u0639\u0627\u064a\u064a\u0631 \u0627\u0644\u062a\u0634\u063a\u064a\u0644 \u0627\u0644\u0641\u0639\u0644\u064a\u0629 \u0648\u0644\u064a\u0633 \u0639\u0644\u0649 \u062d\u062c\u0645 \u0627\u0644\u0623\u0646\u0628\u0648\u0628. \u0635\u064a\u063a\u0629 \u062a\u062f\u0641\u0642 \u0627\u0644\u0633\u0648\u0627\u0626\u0644 \u0627\u0644\u0642\u064a\u0627\u0633\u064a\u0629 \u0644\u062a\u062d\u062f\u064a\u062f \u0627\u0644\u0633\u0639\u0629 \u0627\u0644\u0645\u0637\u0644\u0648\u0628\u0629 \u0647\u064a:<\/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=\"\u0635\u064a\u063a\u0629 \u062d\u0633\u0627\u0628 \u0645\u0639\u0627\u0645\u0644 \u062a\u062f\u0641\u0642 \u0627\u0644\u0635\u0645\u0627\u0645 (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\">\u0623\u064a\u0646:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Q<\/strong> = \u0645\u0639\u062f\u0644 \u0627\u0644\u062a\u062f\u0641\u0642 \u0628\u0627\u0644\u063a\u0627\u0644\u0648\u0646 \u0641\u064a \u0627\u0644\u062f\u0642\u064a\u0642\u0629 (GPM)<\/li>\n\n\n\n<li><strong>\u0633\u0646\u063a\u0627\u0641\u0648\u0631\u0629<\/strong> = \u0627\u0644\u0643\u062b\u0627\u0641\u0629 \u0627\u0644\u0646\u0648\u0639\u064a\u0629 \u0644\u0644\u0633\u0627\u0626\u0644 (\u0627\u0644\u0645\u0627\u0621 = 1.0)<\/li>\n\n\n\n<li><strong>dP<\/strong> = \u0627\u0646\u062e\u0641\u0627\u0636 \u0627\u0644\u0636\u063a\u0637 \u0639\u0628\u0631 \u0627\u0644\u0635\u0645\u0627\u0645 \u0628\u0648\u062d\u062f\u0629 \u0631\u0637\u0644 \u0644\u0643\u0644 \u0628\u0648\u0635\u0629 \u0645\u0631\u0628\u0639\u0629 (P1 \u2013 P2)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u062a\u0636\u0645\u0646 \u0627\u0644\u062d\u0633\u0627\u0628\u0627\u062a \u0627\u0644\u0645\u0630\u0643\u0648\u0631\u0629 \u0623\u0639\u0644\u0627\u0647 \u0623\u0646 \u064a\u062a\u0645\u0643\u0646 \u0645\u0648\u0631\u062f\u0648 \u0635\u0645\u0627\u0645\u0627\u062a \u0627\u0644\u0643\u0631\u0629 \u0627\u0644\u0623\u0631\u0636\u064a\u0629 \u0645\u0646 \u0627\u0644\u062a\u0648\u0635\u064a\u0629 \u0628\u0623\u062d\u062c\u0627\u0645 \u0627\u0644\u0642\u0637\u0639 \u0627\u0644\u062f\u0642\u064a\u0642\u0629 \u0627\u0644\u062a\u064a \u062a\u062a\u0648\u0627\u0641\u0642 \u0645\u0639 \u0646\u0638\u0627\u0645 \u0627\u0644\u0645\u0644\u0641 \u0627\u0644\u0647\u064a\u062f\u0631\u0648\u0644\u064a\u0643\u064a. \u0623\u0645\u0627 \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0644\u063a\u0627\u0632 \u0623\u0648 \u0627\u0644\u0628\u062e\u0627\u0631\u060c \u0641\u062a\u0635\u0628\u062d \u0627\u0644\u062d\u0633\u0627\u0628\u0627\u062a \u0623\u0643\u062b\u0631 \u062a\u0639\u0642\u064a\u062f\u064b\u0627 \u0646\u0638\u0631\u064b\u0627 \u0644\u0636\u0631\u0648\u0631\u0629 \u0645\u0631\u0627\u0639\u0627\u0629 \u0627\u0644\u0627\u0646\u0636\u063a\u0627\u0637\u064a\u0629 \u0648\u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629. \u0648\u0645\u0646 \u0627\u0644\u0636\u0631\u0648\u0631\u064a \u062d\u0633\u0627\u0628 \u0645\u0639\u0627\u0645\u0644 \u0627\u0644\u062a\u062f\u0641\u0642 (Cv) \u0644\u0643\u0644 \u0645\u0646 \u0623\u0642\u0635\u0649 \u062a\u062f\u0641\u0642 \u0645\u062a\u0648\u0642\u0639 \u0648\u0623\u062f\u0646\u0649 \u062a\u062f\u0641\u0642 \u0645\u064f\u062a\u062d\u0643\u0645 \u0628\u0647.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u062a\u0636\u0645\u0646 &quot;\u0646\u0633\u0628\u0629 \u0627\u0644\u0631\u0641\u0636&quot; \u0647\u0630\u0647 \u0623\u0646 <strong>\u0635\u0645\u0627\u0645\u0627\u062a \u0643\u0631\u0648\u064a\u0629 \u0644\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0627\u0644\u062a\u062f\u0641\u0642<\/strong> \u062a\u0638\u0644 \u0641\u0639\u0627\u0644\u0629 \u0639\u0628\u0631 \u0646\u0637\u0627\u0642 \u0627\u0644\u062a\u0634\u063a\u064a\u0644 \u0628\u0623\u0643\u0645\u0644\u0647\u060c \u0645\u0645\u0627 \u064a\u0645\u0646\u0639 \u0635\u0645\u0627\u0645 \u0627\u0644\u062a\u062d\u0643\u0645 \u0627\u0644\u062f\u0642\u064a\u0642 \u0645\u0646 \u0627\u0644\u0639\u0645\u0644 \u0643\u0635\u0645\u0627\u0645 \u062a\u0634\u063a\u064a\u0644\/\u0625\u064a\u0642\u0627\u0641 \u0633\u064a\u0626 \u0627\u0644\u062a\u0648\u0642\u064a\u062a.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0625\u0644\u0649 \u062c\u0627\u0646\u0628 \u062d\u0633\u0627\u0628 \u0623\u0642\u0635\u0649 \u062a\u062f\u0641\u0642 \u0645\u062a\u0648\u0642\u0639\u060c \u0645\u0646 \u0627\u0644\u0636\u0631\u0648\u0631\u064a \u0623\u064a\u0636\u064b\u0627 \u062d\u0633\u0627\u0628 \u0645\u0639\u0627\u0645\u0644 \u0627\u0644\u062a\u062f\u0641\u0642 (Cv) \u0644\u0623\u062f\u0646\u0649 \u062a\u062f\u0641\u0642 \u0645\u064f\u062a\u062d\u0643\u0645 \u0628\u0647. \u064a\u064f\u0637\u0644\u0642 \u0639\u0644\u064a\u0647 &quot;\u0646\u0633\u0628\u0629 \u0627\u0644\u062a\u062e\u0641\u064a\u0636&quot;\u060c \u0648\u0647\u0648 \u064a\u0636\u0645\u0646 \u0623\u062f\u0627\u0621 \u0635\u0645\u0627\u0645 \u0627\u0644\u062a\u062d\u0643\u0645 \u0628\u0627\u0644\u062a\u062f\u0641\u0642 \u0628\u0643\u0641\u0627\u0621\u0629 \u0639\u0627\u0644\u064a\u0629 \u0636\u0645\u0646 \u0646\u0637\u0627\u0642 \u0627\u0644\u062a\u0634\u063a\u064a\u0644. \u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644\u060c \u064a\u0628\u0644\u063a \u0623\u0642\u0635\u0649 \u0645\u0639\u0627\u0645\u0644 \u062a\u062f\u0641\u0642 \u0644\u0635\u0645\u0627\u0645 \u0645\u0627 100 \u0645\u0639 \u0623\u062f\u0646\u0649 \u062a\u062f\u0641\u0642 \u0645\u064f\u062a\u062d\u0643\u0645 \u0628\u0647 \u064a\u0628\u0644\u063a 2. \u064a\u0646\u062a\u062c \u0639\u0646 \u0630\u0644\u0643 \u0646\u0633\u0628\u0629 \u062a\u062e\u0641\u064a\u0636 \u062a\u0628\u0644\u063a 50:1.<\/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>\u0645\u0627 \u0647\u064a \u0627\u0644\u0639\u0644\u0627\u0642\u0629 \u0628\u064a\u0646 \u0645\u0639\u0627\u0645\u0644 \u0627\u0644\u062a\u062f\u0641\u0642 \u0648\u0627\u0646\u062e\u0641\u0627\u0636 \u0627\u0644\u0636\u063a\u0637\u061f<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0627\u0644\u0639\u0644\u0627\u0642\u0629 \u0628\u064a\u0646 \u0645\u0639\u0627\u0645\u0644 \u0627\u0644\u062a\u062f\u0641\u0642 (Cv) \u0648\u0627\u0646\u062e\u0641\u0627\u0636 \u0627\u0644\u0636\u063a\u0637 \u0639\u0643\u0633\u064a\u0629 \u0648\u063a\u064a\u0631 \u062e\u0637\u064a\u0629. \u0641\u064a \u0646\u0638\u0627\u0645 \u0627\u0644\u062a\u062d\u0643\u0645 \u0628\u0627\u0644\u062a\u062f\u0641\u0642\u060c \u064a\u064f\u062a\u0648\u0642\u0639 \u0623\u0646 \u064a\u0643\u0648\u0646 \u0627\u0644\u0635\u0645\u0627\u0645 \u0647\u0648 \u0627\u0644\u0645\u0635\u062f\u0631 \u0627\u0644\u0631\u0626\u064a\u0633\u064a \u0644\u0627\u0646\u062e\u0641\u0627\u0636 \u0627\u0644\u0636\u063a\u0637. \u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u0645\u0628\u062f\u062f\u0629 \u0647\u064a \u0645\u0627 \u064a\u0633\u0645\u062d \u0628\u062a\u0646\u0638\u064a\u0645 \u0627\u0644\u062a\u062f\u0641\u0642. \u0645\u0639 \u0645\u0639\u0627\u0645\u0644 \u062a\u062f\u0641\u0642 \u0639\u0627\u0644\u064d \u062c\u062f\u064b\u0627 \u0644\u0644\u0635\u0645\u0627\u0645\u060c \u064a\u0635\u0628\u062d \u0627\u0646\u062e\u0641\u0627\u0636 \u0627\u0644\u0636\u063a\u0637 \u0639\u0628\u0631\u0647 \u0636\u0626\u064a\u0644\u0627\u064b. \u0648\u0647\u0630\u0627 \u064a\u064f\u0641\u0639\u0651\u0644 \u0623\u0646\u0627\u0628\u064a\u0628 \u0627\u0644\u0646\u0638\u0627\u0645 \u0644\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0645\u0639\u062f\u0644 \u0627\u0644\u062a\u062f\u0641\u0642 \u0628\u062f\u0644\u0627\u064b \u0645\u0646 \u0627\u0644\u0635\u0645\u0627\u0645 \u0646\u0641\u0633\u0647.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0641\u064a \u0627\u0644\u0623\u062f\u0627\u0621 \u0627\u0644\u0639\u0627\u0644\u064a <strong>\u0635\u0645\u0627\u0645\u0627\u062a \u0643\u0631\u0648\u064a\u0629 \u0635\u0646\u0627\u0639\u064a\u0629<\/strong>, \u064a\u064f\u0639\u062f \u0627\u0644\u062d\u0641\u0627\u0638 \u0639\u0644\u0649 \u0646\u0633\u0628\u0629 \u0627\u0646\u062e\u0641\u0627\u0636 \u0636\u063a\u0637 \u062b\u0627\u0628\u062a\u0629 \u0623\u0645\u0631\u064b\u0627 \u0628\u0627\u0644\u063a \u0627\u0644\u0623\u0647\u0645\u064a\u0629. \u0641\u0625\u0630\u0627 \u0643\u0627\u0646 \u0627\u0646\u062e\u0641\u0627\u0636 \u0627\u0644\u0636\u063a\u0637 (dP) \u0645\u0646\u062e\u0641\u0636\u064b\u0627 \u062c\u062f\u064b\u0627 (\u062d\u0648\u0627\u0644\u064a 25%) \u0645\u0642\u0627\u0631\u0646\u0629\u064b \u0628\u0627\u0646\u062e\u0641\u0627\u0636 \u0627\u0644\u0636\u063a\u0637 \u0627\u0644\u0643\u0644\u064a \u0644\u0644\u0646\u0638\u0627\u0645\u060c \u0633\u064a\u0641\u0642\u062f \u0627\u0644\u0635\u0645\u0627\u0645 \u0642\u062f\u0631\u062a\u0647 \u0639\u0644\u0649 \u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0627\u0644\u0633\u0627\u0626\u0644. \u0641\u064a \u0627\u0644\u0648\u0642\u062a \u0646\u0641\u0633\u0647\u060c \u0642\u062f \u064a\u0624\u062f\u064a \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0635\u0645\u0627\u0645 \u0635\u063a\u064a\u0631 \u0627\u0644\u062d\u062c\u0645 \u0630\u064a \u0645\u0639\u0627\u0645\u0644 \u062a\u062f\u0641\u0642 (Cv) \u063a\u064a\u0631 \u0643\u0627\u0641\u064d \u0625\u0644\u0649 \u0627\u0646\u062e\u0641\u0627\u0636 \u0643\u0628\u064a\u0631 \u0641\u064a \u0627\u0644\u0636\u063a\u0637.&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=\"\u062e\u0635\u0627\u0626\u0635 \u062a\u062f\u0641\u0642 \u0635\u0645\u0627\u0645 \u0627\u0644\u0643\u0631\u0629 \u0627\u0644\u0623\u0631\u0636\u064a\u0629 \u0627\u0644\u062e\u0637\u064a \u0645\u0642\u0627\u0628\u0644 \u062e\u0635\u0627\u0626\u0635 \u062a\u062f\u0641\u0642 \u0635\u0645\u0627\u0645 \u0627\u0644\u0643\u0631\u0629 \u0627\u0644\u0623\u0631\u0636\u064a\u0629 \u0630\u064a \u0627\u0644\u0646\u0633\u0628\u0629 \u0627\u0644\u0645\u0626\u0648\u064a\u0629 \u0627\u0644\u0645\u062a\u0633\u0627\u0648\u064a\u0629\" 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\">\u0625\u0630\u0627 \u0642\u0627\u0645 \u0627\u0644\u0645\u0631\u0621 \u0628\u062a\u062d\u0631\u064a\u0643 <a href=\"https:\/\/www.xintaivalves.com\/ar\/blog\/valve-bonnets-comprehensive-guide\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u0633\u0627\u0642 \u0627\u0644\u0635\u0645\u0627\u0645<\/a> \u0639\u0646\u062f \u0641\u062a\u062d \u0627\u0644\u0635\u0645\u0627\u0645 \u0645\u0646 100% \u0625\u0644\u0649 50%\u060c \u0644\u0627 \u064a\u062d\u062f\u062b \u062a\u063a\u064a\u064a\u0631 \u0645\u0644\u062d\u0648\u0638 \u0641\u064a \u0627\u0644\u062a\u062f\u0641\u0642\u060c \u0645\u0645\u0627 \u064a\u062c\u0639\u0644 \u0627\u0644\u062a\u062d\u0643\u0645 \u0627\u0644\u062f\u0642\u064a\u0642 \u0645\u0633\u062a\u062d\u064a\u0644\u0627\u064b. \u0647\u0630\u0627 \u064a\u064f\u0634\u0648\u0651\u0647 \u0627\u0644\u0635\u0645\u0627\u0645\u060c \u0641\u0644\u0627 \u064a\u0628\u062f\u0623 \u0628\u062a\u0646\u0638\u064a\u0645 \u0627\u0644\u0633\u0627\u0626\u0644 \u0625\u0644\u0627 \u0639\u0646\u062f\u0645\u0627 \u064a\u0643\u0648\u0646 \u0634\u0628\u0647 \u0645\u063a\u0644\u0642.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0628\u0628\u0633\u0627\u0637\u0629\u060c \u0642\u062f \u064a\u0624\u062f\u064a \u0627\u0646\u062e\u0641\u0627\u0636 \u0645\u0639\u0627\u0645\u0644 \u0627\u0644\u062a\u062f\u0641\u0642 (Cv) \u0645\u0639 \u0635\u0645\u0627\u0645\u0627\u062a \u0635\u063a\u064a\u0631\u0629 \u0627\u0644\u062d\u062c\u0645 \u0625\u0644\u0649 \u0627\u0646\u062e\u0641\u0627\u0636 \u0643\u0628\u064a\u0631 \u0641\u064a \u0627\u0644\u0636\u063a\u0637\u060c \u0645\u0645\u0627 \u0642\u062f \u064a\u064f\u0639\u064a\u0642 \u062a\u062f\u0641\u0642 \u0627\u0644\u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u0644\u0627\u062d\u0642\u0629. \u0639\u0644\u0627\u0648\u0629 \u0639\u0644\u0649 \u0630\u0644\u0643\u060c \u0633\u062a\u0639\u0645\u0644 \u0627\u0644\u0645\u0636\u062e\u0629 \u0628\u062c\u0647\u062f \u0623\u0643\u0628\u0631 \u0648\u062a\u0633\u062a\u0647\u0644\u0643 \u0637\u0627\u0642\u0629 \u0623\u0643\u062b\u0631. \u0644\u0630\u0627\u060c \u0645\u0646 \u0627\u0644\u0636\u0631\u0648\u0631\u064a \u0644\u0644\u0645\u0647\u0646\u062f\u0633\u064a\u0646 \u0627\u0644\u062d\u0641\u0627\u0638 \u0639\u0644\u0649 \u0627\u0644\u062a\u0648\u0627\u0632\u0646 \u0644\u0636\u0645\u0627\u0646 \u0623\u062f\u0627\u0621 \u0642\u0648\u064a \u0644\u0644\u0635\u0645\u0627\u0645\u0627\u062a.&nbsp;<\/p>\n\n\n\n<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n  <title>\u062a\u0633\u0644\u064a\u0637 \u0627\u0644\u0636\u0648\u0621 \u0639\u0644\u0649 \u0627\u0644\u0645\u0646\u062a\u062c \u0627\u0644\u0628\u0637\u0644<\/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    .hero-image {\n      width: 220px;\n      height: auto;\n      border-radius: 12px;\n      object-fit: cover;\n      flex-shrink: 0;\n    }\n\n    .hero-content {\n      padding-left: 24px;\n      flex: 1;\n      min-width: 260px;\n    }\n\n    .hero-title {\n      font-size: 1.6rem;\n      font-weight: bold;\n      margin-bottom: 12px;\n      color: #222;\n      font-family: 'Poppins';\n    }\n\n    .hero-description {\n      font-size: 1rem;\n      color: #555;\n      margin-bottom: 18px;\n    }\n\n    .hero-link {\n      display: inline-block;\n      padding: 10px 20px;\n      background-color: #D70C19;\n      color: #fff;\n      text-decoration: none;\n      border-radius: 8px;\n      font-weight: bold;\n      transition: background 0.2s ease-in-out;\n    }\n\n    .hero-link:hover {\n      background-color: #D70C19;\n    }\n\n    @media (max-width: 640px) {\n      .hero-card {\n        flex-direction: column;\n        text-align: center;\n      }\n\n      .hero-content {\n        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\/ar\/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=\"DIN Flange Cast Steel Globe Valve\">\n  <div class=\"hero-content\">\n    <div class=\"hero-title\">\u2699\ufe0f \u0635\u0645\u0627\u0645 \u0643\u0631\u0648\u064a \u0645\u0646 \u0627\u0644\u0641\u0648\u0644\u0627\u0630 \u0627\u0644\u0645\u0635\u0628\u0648\u0628 \u0630\u0648 \u062d\u0627\u0641\u0629 DIN<\/div>\n    <div class=\"hero-description\">\u0646\u0637\u0627\u0642 \u0627\u0644\u062a\u0637\u0628\u064a\u0642: \u0635\u0646\u0627\u0639\u0629 \u0627\u0644\u0643\u064a\u0645\u0627\u0648\u064a\u0627\u062a \u0627\u0644\u0628\u062a\u0631\u0648\u0644\u064a\u0629 \u060c \u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u060c \u0627\u0644\u0645\u0639\u0627\u062f\u0646 \u060c \u0627\u0644\u0637\u0628 \u060c \u0627\u0644\u0639\u0642\u0627\u0631\u0627\u062a \u060c \u0627\u0644\u0647\u0646\u062f\u0633\u0629 \u0627\u0644\u0628\u0644\u062f\u064a\u0629 \u0648\u063a\u064a\u0631\u0647\u0627 \u0645\u0646 \u0627\u0644\u0635\u0646\u0627\u0639\u0627\u062a.<\/div>\n    <span class=\"hero-link\">\u0627\u0633\u062a\u0643\u0634\u0627\u0641 \u0627\u0644\u0645\u0646\u062a\u062c<\/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>\u0627\u0644\u0623\u0641\u0643\u0627\u0631 \u0627\u0644\u0646\u0647\u0627\u0626\u064a\u0629<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0645\u0639\u0627\u0645\u0644 \u0627\u0644\u062a\u062f\u0641\u0642 \u0647\u0648 \u0645\u0639\u064a\u0627\u0631 \u062a\u0642\u0646\u064a \u0631\u0626\u064a\u0633\u064a \u0644\u0644\u064a\u0645\u064a\u0646 <strong>\u0635\u0645\u0627\u0645\u0627\u062a \u0643\u0631\u0648\u064a\u0629 \u0644\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0627\u0644\u062a\u062f\u0641\u0642. <\/strong>\u0628\u062f\u0644\u0627\u064b \u0645\u0646 \u0627\u0644\u062a\u0631\u0643\u064a\u0632 \u0641\u0642\u0637 \u0639\u0644\u0649 \u0645\u0637\u0627\u0628\u0642\u0629 \u0627\u0644\u0623\u0646\u0627\u0628\u064a\u0628\u060c \u0627\u062c\u0639\u0644 \u0645\u0639\u0627\u0645\u0644 \u0627\u0644\u062a\u0633\u0627\u0631\u0639 (Cv) \u0623\u0643\u062b\u0631 \u0623\u0647\u0645\u064a\u0629 \u0644\u062a\u0645\u0643\u064a\u0646 \u0627\u0644\u0645\u0647\u0646\u062f\u0633\u064a\u0646 \u0645\u0646 \u0627\u0644\u0642\u0636\u0627\u0621 \u0639\u0644\u0649 \u0639\u062f\u0645 \u0627\u0633\u062a\u0642\u0631\u0627\u0631 \u0627\u0644\u062a\u062d\u0643\u0645\u060c \u0648\u062a\u0642\u0644\u064a\u0644 \u0627\u0644\u062a\u0622\u0643\u0644 \u0627\u0644\u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a\u060c \u0648\u062a\u062d\u0633\u064a\u0646 \u0627\u0633\u062a\u0647\u0644\u0627\u0643 \u0627\u0644\u0637\u0627\u0642\u0629.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0633\u0648\u0627\u0621 \u0643\u0646\u062a \u062a\u0633\u062a\u0648\u0631\u062f \u0645\u0646 \u0645\u0635\u0627\u062f\u0631 \u0639\u0627\u0644\u0645\u064a\u0629 <strong>\u0645\u0648\u0631\u062f\u0648 \u0635\u0645\u0627\u0645\u0627\u062a \u0627\u0644\u0643\u0631\u0629 \u0627\u0644\u0623\u0631\u0636\u064a\u0629 <\/strong>\u0639\u0646\u062f \u062a\u0635\u0645\u064a\u0645 \u0646\u0638\u0627\u0645 \u062c\u062f\u064a\u062f\u060c \u064a\u062c\u0628 \u0623\u0646 \u064a\u0643\u0648\u0646 \u0627\u0644\u0647\u062f\u0641 \u062f\u0627\u0626\u0645\u064b\u0627 \u0647\u0648 \u062a\u062d\u062f\u064a\u062f \u062d\u062c\u0645 \u0627\u0644\u0635\u0645\u0627\u0645. \u0647\u0630\u0627 \u064a\u062d\u0627\u0641\u0638 \u0639\u0644\u0649 \u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0627\u0644\u0633\u0627\u0626\u0644 \u062f\u0648\u0646 \u0625\u062d\u062f\u0627\u062b \u0622\u062b\u0627\u0631 \u0633\u0644\u0628\u064a\u0629. \u0627\u0644\u062d\u062c\u0645 \u0627\u0644\u0645\u0646\u0627\u0633\u0628<strong> \u0635\u0645\u0627\u0645\u0627\u062a \u0643\u0631\u0648\u064a\u0629 \u0635\u0646\u0627\u0639\u064a\u0629<\/strong> \u062a\u0634\u0643\u0644 \u0647\u0630\u0647 \u0627\u0644\u0639\u0646\u0627\u0635\u0631 \u0623\u0633\u0627\u0633 \u0646\u0638\u0627\u0645 \u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0627\u0644\u062a\u062f\u0641\u0642 \u0627\u0644\u0641\u0639\u0627\u0644 \u0648\u0627\u0644\u0645\u0648\u062b\u0648\u0642.<\/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\" href=\"https:\/\/www.xintaivalves.com\/ar\/contact\/\" style=\"font-style:normal;font-weight:500\" target=\"_blank\" rel=\"noreferrer noopener\">\u0627\u062d\u0635\u0644 \u0639\u0644\u0649 \u0639\u0631\u0636 \u0623\u0633\u0639\u0627\u0631<\/a><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Matching pipe diameters is an important process in choosing the right hardware. 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\/ar\/wp-json\/wp\/v2\/posts\/14745","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xintaivalves.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xintaivalves.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/ar\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/ar\/wp-json\/wp\/v2\/comments?post=14745"}],"version-history":[{"count":2,"href":"https:\/\/www.xintaivalves.com\/ar\/wp-json\/wp\/v2\/posts\/14745\/revisions"}],"predecessor-version":[{"id":14753,"href":"https:\/\/www.xintaivalves.com\/ar\/wp-json\/wp\/v2\/posts\/14745\/revisions\/14753"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/ar\/wp-json\/wp\/v2\/media\/14746"}],"wp:attachment":[{"href":"https:\/\/www.xintaivalves.com\/ar\/wp-json\/wp\/v2\/media?parent=14745"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xintaivalves.com\/ar\/wp-json\/wp\/v2\/categories?post=14745"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xintaivalves.com\/ar\/wp-json\/wp\/v2\/tags?post=14745"}],"curies":[{"name":"\u0648\u0648\u0631\u062f\u0628\u0631\u064a\u0633","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}