{"id":15745,"date":"2026-06-08T09:43:14","date_gmt":"2026-06-08T01:43:14","guid":{"rendered":"https:\/\/www.xintaivalves.com\/?p=15745"},"modified":"2026-06-25T12:31:48","modified_gmt":"2026-06-25T04:31:48","slug":"what-butterfly-valve-cv-value-flow-coefficient","status":"publish","type":"post","link":"https:\/\/www.xintaivalves.com\/uk\/blog\/butterfly-valve\/what-butterfly-valve-cv-value-flow-coefficient\/","title":{"rendered":"\u0429\u043e \u0442\u0430\u043a\u0435 \u043a\u043e\u0435\u0444\u0456\u0446\u0456\u0454\u043d\u0442 CV \u0437\u0430\u043f\u0456\u0440\u043d\u043e\u0433\u043e \u043a\u043b\u0430\u043f\u0430\u043d\u0430 \u0456 \u0447\u043e\u043c\u0443 \u0432\u0456\u043d \u0432\u0430\u0436\u043b\u0438\u0432\u0438\u0439?"},"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\">\u0417\u043c\u0456\u0441\u0442<\/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=\"\u041f\u0435\u0440\u0435\u043c\u043a\u043d\u0443\u0442\u0438 \u0437\u043c\u0456\u0441\u0442\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">\u041f\u0435\u0440\u0435\u043c\u0438\u043a\u0430\u0447<\/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\/uk\/blog\/butterfly-valve\/what-butterfly-valve-cv-value-flow-coefficient\/#How_Do_You_Use_the_Butterfly_Valve_CV_Factor_Formula\" >\u042f\u043a \u0432\u0438\u043a\u043e\u0440\u0438\u0441\u0442\u043e\u0432\u0443\u0432\u0430\u0442\u0438 \u0444\u043e\u0440\u043c\u0443\u043b\u0443 \u043a\u043e\u0435\u0444\u0456\u0446\u0456\u0454\u043d\u0442\u0430 CV \u0434\u043b\u044f \u043a\u0443\u043b\u044c\u043e\u0432\u043e\u0433\u043e \u043a\u0440\u0430\u043d\u0430?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.xintaivalves.com\/uk\/blog\/butterfly-valve\/what-butterfly-valve-cv-value-flow-coefficient\/#Key_Reasons_Why_CV_Calculation_Matters\" >\u041a\u043b\u044e\u0447\u043e\u0432\u0456 \u043f\u0440\u0438\u0447\u0438\u043d\u0438, \u0447\u043e\u043c\u0443 \u0440\u043e\u0437\u0440\u0430\u0445\u0443\u043d\u043e\u043a CV \u043c\u0430\u0454 \u0437\u043d\u0430\u0447\u0435\u043d\u043d\u044f<\/a><\/li><\/ul><\/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\/uk\/blog\/butterfly-valve\/what-butterfly-valve-cv-value-flow-coefficient\/#What_is_the_Relationship_Between_Butterfly_Valve_Cv_vs_percent_open\" >\u042f\u043a\u0438\u0439 \u0437\u0432'\u044f\u0437\u043e\u043a \u043c\u0456\u0436 CV \u043a\u0443\u043b\u044c\u043e\u0432\u043e\u0433\u043e \u043a\u0440\u0430\u043d\u0430 \u0442\u0430 \u0432\u0456\u0434\u0441\u043e\u0442\u043a\u043e\u043c \u0432\u0456\u0434\u043a\u0440\u0438\u0442\u0442\u044f?<\/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\/uk\/blog\/butterfly-valve\/what-butterfly-valve-cv-value-flow-coefficient\/#Factors_That_Affect_the_CV_Value\" >\u0424\u0430\u043a\u0442\u043e\u0440\u0438, \u0449\u043e \u0432\u043f\u043b\u0438\u0432\u0430\u044e\u0442\u044c \u043d\u0430 \u0437\u043d\u0430\u0447\u0435\u043d\u043d\u044f CV<\/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\/uk\/blog\/butterfly-valve\/what-butterfly-valve-cv-value-flow-coefficient\/#Why_CV_Matters_for_B2B_Procurement\" >\u0427\u043e\u043c\u0443 CV \u043c\u0430\u0454 \u0437\u043d\u0430\u0447\u0435\u043d\u043d\u044f \u0434\u043b\u044f B2B \u0437\u0430\u043a\u0443\u043f\u0456\u0432\u0435\u043b\u044c<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.xintaivalves.com\/uk\/blog\/butterfly-valve\/what-butterfly-valve-cv-value-flow-coefficient\/#Conclusion\" >\u0412\u0438\u0441\u043d\u043e\u0432\u043e\u043a<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.xintaivalves.com\/uk\/blog\/butterfly-valve\/what-butterfly-valve-cv-value-flow-coefficient\/#Frequently_Asked_Questions_FAQs\" >\u041f\u043e\u0448\u0438\u0440\u0435\u043d\u0456 \u0437\u0430\u043f\u0438\u0442\u0430\u043d\u043d\u044f (FAQ)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.xintaivalves.com\/uk\/blog\/butterfly-valve\/what-butterfly-valve-cv-value-flow-coefficient\/#1_What_is_a_good_Cv_value_for_a_butterfly_valve\" >1. \u042f\u043a\u0435 \u0445\u043e\u0440\u043e\u0448\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u043d\u044f Cv \u0434\u043b\u044f \u043a\u0443\u043b\u044c\u043e\u0432\u043e\u0433\u043e \u043a\u0440\u0430\u043d\u0430?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.xintaivalves.com\/uk\/blog\/butterfly-valve\/what-butterfly-valve-cv-value-flow-coefficient\/#2_How_do_I_find_the_Cv_factor_table_for_my_valve_size\" >2. \u0414\u0435 \u0437\u043d\u0430\u0439\u0442\u0438 \u0442\u0430\u0431\u043b\u0438\u0446\u044e \u043a\u043e\u0435\u0444\u0456\u0446\u0456\u0454\u043d\u0442\u0456\u0432 Cv \u0434\u043b\u044f \u043c\u043e\u0433\u043e \u0440\u043e\u0437\u043c\u0456\u0440\u0443 \u043a\u043b\u0430\u043f\u0430\u043d\u0430?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.xintaivalves.com\/uk\/blog\/butterfly-valve\/what-butterfly-valve-cv-value-flow-coefficient\/#3_Does_CV_change_with_the_valve_material\" >3. \u0427\u0438 \u0437\u043c\u0456\u043d\u044e\u0454\u0442\u044c\u0441\u044f CV \u0437\u0430\u043b\u0435\u0436\u043d\u043e \u0432\u0456\u0434 \u043c\u0430\u0442\u0435\u0440\u0456\u0430\u043b\u0443 \u043a\u043b\u0430\u043f\u0430\u043d\u0430?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.xintaivalves.com\/uk\/blog\/butterfly-valve\/what-butterfly-valve-cv-value-flow-coefficient\/#4_Can_I_estimate_flow_without_a_calculator\" >4. \u0427\u0438 \u043c\u043e\u0436\u0443 \u044f \u043e\u0446\u0456\u043d\u0438\u0442\u0438 \u043f\u043e\u0442\u0456\u043a \u0431\u0435\u0437 \u043a\u0430\u043b\u044c\u043a\u0443\u043b\u044f\u0442\u043e\u0440\u0430?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\">The <strong>\u043a\u043e\u0435\u0444\u0456\u0446\u0456\u0454\u043d\u0442 CV \u043a\u0443\u043b\u044c\u043e\u0432\u043e\u0433\u043e \u043a\u0440\u0430\u043d\u0430 <\/strong>\u0454 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0438\u0437\u043e\u0432\u0430\u043d\u0438\u043c \u043f\u043e\u043a\u0430\u0437\u043d\u0438\u043a\u043e\u043c \u0439\u043e\u0433\u043e \u043f\u0440\u043e\u043f\u0443\u0441\u043a\u043d\u043e\u0457 \u0437\u0434\u0430\u0442\u043d\u043e\u0441\u0442\u0456. \u0412\u0456\u043d \u043f\u043e\u043a\u0430\u0437\u0443\u0454, \u0441\u043a\u0456\u043b\u044c\u043a\u0438 \u0440\u0456\u0434\u0438\u043d\u0438 \u043f\u0440\u043e\u0445\u043e\u0434\u0438\u0442\u044c \u0447\u0435\u0440\u0435\u0437 \u043a\u043b\u0430\u043f\u0430\u043d \u043f\u0440\u0438 \u0437\u0430\u0434\u0430\u043d\u043e\u043c\u0443 \u043f\u0435\u0440\u0435\u043f\u0430\u0434\u0456 \u0442\u0438\u0441\u043a\u0443. \u0417\u043d\u0430\u0447\u0435\u043d\u043d\u044f CV \u0430\u0431\u043e <a href=\"https:\/\/www.xintaivalves.com\/uk\/blog\/what-is-valve-flow-coefficient\/\" target=\"_blank\" data-type=\"link\" data-id=\"https:\/\/www.xintaivalves.com\/blog\/what-is-valve-flow-coefficient\/\" rel=\"noreferrer noopener\">\u043a\u043e\u0435\u0444\u0456\u0446\u0456\u0454\u043d\u0442 \u0432\u0438\u0442\u0440\u0430\u0442\u0438<\/a> \u0440\u043e\u0437\u0440\u0430\u0445\u043e\u0432\u0443\u0454\u0442\u044c\u0441\u044f \u0432 \u0433\u0430\u043b\u043e\u043d\u0430\u0445 \u0421\u0428\u0410 \u0437\u0430 \u0445\u0432\u0438\u043b\u0438\u043d\u0443 \u0456 \u043f\u0440\u043e\u0445\u043e\u0434\u0438\u0442\u044c \u0447\u0435\u0440\u0435\u0437 \u043a\u043b\u0430\u043f\u0430\u043d \u043f\u0440\u0438 \u043f\u0435\u0440\u0435\u043f\u0430\u0434\u0456 \u0442\u0438\u0441\u043a\u0443 1 psi.\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0406\u043d\u0436\u0435\u043d\u0435\u0440\u0438 \u0432\u0438\u043a\u043e\u0440\u0438\u0441\u0442\u043e\u0432\u0443\u044e\u0442\u044c <strong>\u0440\u043e\u0437\u0440\u0430\u0445\u0443\u043d\u043e\u043a \u0432\u0438\u0442\u0440\u0430\u0442\u0438 \u0437\u0430\u0442\u0432\u043e\u0440\u0430-\u043c\u0435\u0442\u0435\u043b\u0438\u043a\u0430 <\/strong>\u0449\u043e\u0431 \u0432\u0438\u0431\u0440\u0430\u0442\u0438 \u043f\u0440\u0430\u0432\u0438\u043b\u044c\u043d\u0438\u0439 \u0440\u043e\u0437\u043c\u0456\u0440 \u043a\u043b\u0430\u043f\u0430\u043d\u0430. \u041a\u043e\u043c\u0430\u043d\u0434\u0438 \u0437\u0430\u043a\u0443\u043f\u0456\u0432\u0435\u043b\u044c \u043f\u043e\u0440\u0456\u0432\u043d\u044e\u044e\u0442\u044c \u0446\u044e \u0441\u043f\u0435\u0446\u0438\u0444\u0456\u043a\u0430\u0446\u0456\u044e \u043c\u0456\u0436 \u043f\u043e\u0441\u0442\u0430\u0447\u0430\u043b\u044c\u043d\u0438\u043a\u0430\u043c\u0438 \u043f\u0435\u0440\u0435\u0434 \u0440\u043e\u0437\u043c\u0456\u0449\u0435\u043d\u043d\u044f\u043c \u0437\u0430\u043c\u043e\u0432\u043b\u0435\u043d\u044c.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u041d\u0435\u043f\u0440\u0430\u0432\u0438\u043b\u044c\u043d\u0438\u0439 \u0432\u0438\u0431\u0456\u0440 CV \u043c\u043e\u0436\u0435 \u0441\u043f\u0440\u0438\u0447\u0438\u043d\u0438\u0442\u0438 \u043f\u043e\u0433\u0430\u043d\u0443 <a href=\"https:\/\/www.xintaivalves.com\/uk\/blog\/flow-control-valve-comprehensive-guide\/\" target=\"_blank\" data-type=\"link\" data-id=\"https:\/\/www.xintaivalves.com\/blog\/flow-control-valve-comprehensive-guide\/\" rel=\"noreferrer noopener\">\u043a\u0435\u0440\u0443\u0432\u0430\u043d\u043d\u044f \u043f\u043e\u0442\u043e\u043a\u043e\u043c<\/a> \u0430\u0431\u043e \u043c\u0430\u0440\u043d\u0443 \u0432\u0438\u0442\u0440\u0430\u0442\u0443 \u0435\u043d\u0435\u0440\u0433\u0456\u0457 \u043d\u0430\u0441\u043e\u0441\u0430. \u0426\u0435\u0439 \u043f\u043e\u0441\u0456\u0431\u043d\u0438\u043a \u043f\u043e\u044f\u0441\u043d\u044e\u0454 \u0444\u043e\u0440\u043c\u0443\u043b\u0443, <strong>\u0442\u0430\u0431\u043b\u0438\u0446\u044f Cv \u0437\u0430\u0442\u0432\u043e\u0440\u0430-\u043c\u0435\u0442\u0435\u043b\u0438\u043a\u0430<\/strong>, \u0442\u0430 \u0442\u0430\u0431\u043b\u0438\u0446\u0456, \u044f\u043a\u0456 \u0432\u0430\u043c \u043f\u043e\u0442\u0440\u0456\u0431\u043d\u0456 \u0434\u043b\u044f \u0442\u043e\u0447\u043d\u043e\u0433\u043e \u0432\u0438\u0431\u043e\u0440\u0443.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_Do_You_Use_the_Butterfly_Valve_CV_Factor_Formula\"><\/span><strong>\u042f\u043a \u0432\u0438\u043a\u043e\u0440\u0438\u0441\u0442\u043e\u0432\u0443\u0432\u0430\u0442\u0438 \u0444\u043e\u0440\u043c\u0443\u043b\u0443 \u043a\u043e\u0435\u0444\u0456\u0446\u0456\u0454\u043d\u0442\u0430 CV \u0434\u043b\u044f \u043a\u0443\u043b\u044c\u043e\u0432\u043e\u0433\u043e \u043a\u0440\u0430\u043d\u0430?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"922\" height=\"914\" src=\"https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724762-1.webp\" alt=\"\u0424\u043e\u0440\u043c\u0443\u043b\u0430 \u043a\u043e\u0435\u0444\u0456\u0446\u0456\u0454\u043d\u0442\u0430 CV \u0434\u043b\u044f \u043a\u0443\u043b\u044c\u043e\u0432\u043e\u0433\u043e \u043a\u0440\u0430\u043d\u0430\" class=\"wp-image-15748\" style=\"aspect-ratio:1.0087628769256751;width:461px;height:auto\" srcset=\"https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724762-1.webp 922w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724762-1-300x297.webp 300w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724762-1-150x150.webp 150w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724762-1-768x761.webp 768w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724762-1-12x12.webp 12w\" sizes=\"(max-width: 922px) 100vw, 922px\" \/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">\u0420\u043e\u0437\u0440\u0430\u0445\u0443\u043d\u043e\u043a <strong>\u043a\u043e\u0435\u0444\u0456\u0446\u0456\u0454\u043d\u0442\u0430 Cv \u0437\u0430\u0442\u0432\u043e\u0440\u0430-\u043c\u0435\u0442\u0435\u043b\u0438\u043a\u0430<\/strong> \u0454 \u043a\u0440\u0438\u0442\u0438\u0447\u043d\u043e \u0432\u0430\u0436\u043b\u0438\u0432\u0438\u043c. \u0412\u0456\u043d \u0431\u0435\u0437\u043f\u043e\u0441\u0435\u0440\u0435\u0434\u043d\u044c\u043e \u0432\u0438\u0437\u043d\u0430\u0447\u0430\u0454, \u0447\u0438 \u0431\u0443\u0434\u0435 \u0432\u0430\u0448 \u043a\u043b\u0430\u043f\u0430\u043d \u043f\u0440\u0430\u0446\u044e\u0432\u0430\u0442\u0438 \u043d\u0430\u043b\u0435\u0436\u043d\u0438\u043c \u0447\u0438\u043d\u043e\u043c \u043d\u0430 \u0432\u0430\u0448\u043e\u043c\u0443 \u0445\u0456\u043c\u0456\u0447\u043d\u043e\u043c\u0443 \u0437\u0430\u0432\u043e\u0434\u0456 \u0447\u0438 \u043f\u0440\u043e\u043c\u0438\u0441\u043b\u043e\u0432\u0456\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u0456.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0426\u0435 \u0434\u043e\u043f\u043e\u043c\u0430\u0433\u0430\u0454 \u0456\u043d\u0436\u0435\u043d\u0435\u0440\u0430\u043c \u043f\u0440\u0430\u0432\u0438\u043b\u044c\u043d\u043e \u043f\u0456\u0434\u0431\u0438\u0440\u0430\u0442\u0438 \u043d\u0430\u0441\u043e\u0441\u0438 \u0442\u0430 \u0432\u0438\u0431\u0438\u0440\u0430\u0442\u0438 \u0434\u0456\u0430\u043c\u0435\u0442\u0440\u0438 \u0442\u0440\u0443\u0431. \u0411\u0430\u0433\u0430\u0442\u043e \u043f\u043e\u0441\u0442\u0430\u0447\u0430\u043b\u044c\u043d\u0438\u043a\u0456\u0432 \u043f\u0440\u043e\u043f\u043e\u043d\u0443\u044e\u0442\u044c \u0431\u0435\u0437\u043a\u043e\u0448\u0442\u043e\u0432\u043d\u0456 \u043e\u043d\u043b\u0430\u0439\u043d- <strong>\u043a\u0430\u043b\u044c\u043a\u0443\u043b\u044f\u0442\u043e\u0440\u0438 \u043f\u0435\u0440\u0435\u043f\u0430\u0434\u0443 \u0442\u0438\u0441\u043a\u0443 \u0437\u0430\u0442\u0432\u043e\u0440\u0430-\u043c\u0435\u0442\u0435\u043b\u0438\u043a\u0430<\/strong> \u0430\u0431\u043e \u0456\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0438 \u0435\u043b\u0435\u043a\u0442\u0440\u043e\u043d\u043d\u0438\u0445 \u0442\u0430\u0431\u043b\u0438\u0446\u044c \u0434\u043b\u044f \u0446\u0456\u0454\u0457 \u043c\u0435\u0442\u0438.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u041e\u0441\u044c \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u043d\u0430 \u0444\u043e\u0440\u043c\u0443\u043b\u0430, \u044f\u043a\u0430 \u0432\u0438\u043a\u043e\u0440\u0438\u0441\u0442\u043e\u0432\u0443\u0454\u0442\u044c\u0441\u044f \u0434\u043b\u044f \u0440\u043e\u0437\u0440\u0430\u0445\u0443\u043d\u043a\u0443 Cv \u0434\u043b\u044f \u043f\u043e\u0442\u043e\u043a\u0443 \u0440\u0456\u0434\u0438\u043d\u0438:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0411\u0430\u0437\u043e\u0432\u0430 <strong>\u0444\u043e\u0440\u043c\u0443\u043b\u0430 \u043a\u043e\u0435\u0444\u0456\u0446\u0456\u0454\u043d\u0442\u0430 Cv \u0437\u0430\u0442\u0432\u043e\u0440\u0430-\u043c\u0435\u0442\u0435\u043b\u0438\u043a\u0430<\/strong> \u0446\u0435 <em>Cv = Q x \u043a\u0432\u0430\u0434\u0440\u0430\u0442\u043d\u0438\u0439 \u043a\u043e\u0440\u0456\u043d\u044c \u0437 (SG \/ dP<\/em>).&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Q \u043f\u043e\u0437\u043d\u0430\u0447\u0430\u0454 \u0448\u0432\u0438\u0434\u043a\u0456\u0441\u0442\u044c \u043f\u043e\u0442\u043e\u043a\u0443 \u0432 \u0433\u0430\u043b\u043e\u043d\u0430\u0445 \u0437\u0430 \u0445\u0432\u0438\u043b\u0438\u043d\u0443. SG - \u0446\u0435 \u043f\u0438\u0442\u043e\u043c\u0430 \u0432\u0430\u0433\u0430 \u0440\u0456\u0434\u0438\u043d\u0438, \u0434\u0435 \u0432\u043e\u0434\u0430 \u0434\u043e\u0440\u0456\u0432\u043d\u044e\u0454 1.<\/li>\n\n\n\n<li>dP - \u0446\u0435 \u043f\u0435\u0440\u0435\u043f\u0430\u0434 \u0442\u0438\u0441\u043a\u0443 \u043d\u0430 \u043a\u043b\u0430\u043f\u0430\u043d\u0456 \u0432 psi. \u041d\u0430\u043f\u0440\u0438\u043a\u043b\u0430\u0434, \u044f\u043a\u0449\u043e \u0432\u043e\u0434\u0430 \u0442\u0435\u0447\u0435 \u0437\u0456 \u0448\u0432\u0438\u0434\u043a\u0456\u0441\u0442\u044e 100 GPM \u0437 \u043f\u0435\u0440\u0435\u043f\u0430\u0434\u043e\u043c 4 psi, Cv \u0434\u043e\u0440\u0456\u0432\u043d\u044e\u0454 50.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0423 \u043c\u0435\u0442\u0440\u0438\u0447\u043d\u0438\u0445 \u0441\u0438\u0441\u0442\u0435\u043c\u0430\u0445 \u0447\u0430\u0441\u0442\u043e \u0432\u0438\u043a\u043e\u0440\u0438\u0441\u0442\u043e\u0432\u0443\u044e\u0442\u044c Kv \u0437\u0430\u043c\u0456\u0441\u0442\u044c Cv. Kv \u043f\u0440\u0438\u0431\u043b\u0438\u0437\u043d\u043e \u0434\u043e\u0440\u0456\u0432\u043d\u044e\u0454 0,865 \u043f\u043e\u043c\u043d\u043e\u0436\u0435\u043d\u043e\u043c\u0443 \u043d\u0430 Cv \u0434\u043b\u044f \u0442\u043e\u0433\u043e \u0441\u0430\u043c\u043e\u0433\u043e \u043a\u043b\u0430\u043f\u0430\u043d\u0430.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Key_Reasons_Why_CV_Calculation_Matters\"><\/span><strong>\u041a\u043b\u044e\u0447\u043e\u0432\u0456 \u043f\u0440\u0438\u0447\u0438\u043d\u0438, \u0447\u043e\u043c\u0443 \u0440\u043e\u0437\u0440\u0430\u0445\u0443\u043d\u043e\u043a CV \u043c\u0430\u0454 \u0437\u043d\u0430\u0447\u0435\u043d\u043d\u044f<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u041f\u0440\u0430\u0432\u0438\u043b\u044c\u043d\u0438\u0439 \u043f\u0456\u0434\u0431\u0456\u0440 \u0440\u043e\u0437\u043c\u0456\u0440\u0443 \u043a\u043b\u0430\u043f\u0430\u043d\u0430 <\/strong>\u2013 \u0426\u0435 \u043d\u0430\u0439\u0432\u0430\u0436\u043b\u0438\u0432\u0456\u0448\u0438\u0439 \u0444\u0430\u043a\u0442\u043e\u0440 \u0443 \u0432\u0438\u0437\u043d\u0430\u0447\u0435\u043d\u043d\u0456 \u043f\u0440\u043e\u043f\u0443\u0441\u043a\u043d\u043e\u0457 \u0437\u0434\u0430\u0442\u043d\u043e\u0441\u0442\u0456. CV \u0454 \u043e\u0441\u043d\u043e\u0432\u043e\u044e <a href=\"https:\/\/www.xintaivalves.com\/uk\/valve-cv-calculator-flow-coefficient-for-valve-sizing\/\" target=\"_blank\" data-type=\"link\" data-id=\"https:\/\/www.xintaivalves.com\/valve-cv-calculator-flow-coefficient-for-valve-sizing\/\" rel=\"noreferrer noopener\">\u043f\u0456\u0434\u0431\u043e\u0440\u0443 \u0440\u043e\u0437\u043c\u0456\u0440\u0443 \u043a\u043b\u0430\u043f\u0430\u043d\u0430<\/a> \u0440\u043e\u0437\u0440\u0430\u0445\u0443\u043d\u043a\u0456\u0432. \u041f\u0440\u0430\u0432\u0438\u043b\u044c\u043d\u0438\u0439 \u043f\u0456\u0434\u0431\u0456\u0440 \u0440\u043e\u0437\u043c\u0456\u0440\u0443 \u043a\u043b\u0430\u043f\u0430\u043d\u0430 \u0437\u0430\u0431\u0435\u0437\u043f\u0435\u0447\u0443\u0454 \u0434\u043e\u0441\u0442\u0430\u0442\u043d\u0456\u0439 \u043f\u043e\u0442\u0456\u043a \u0431\u0435\u0437 \u043d\u0430\u0434\u043c\u0456\u0440\u043d\u043e\u0433\u043e \u0430\u0431\u043e \u043d\u0435\u0434\u043e\u0441\u0442\u0430\u0442\u043d\u044c\u043e\u0433\u043e \u0440\u043e\u0437\u043c\u0456\u0440\u0443 \u043a\u043b\u0430\u043f\u0430\u043d\u0430.\u00a0<\/li>\n\n\n\n<li><strong>\u0417\u0430\u043f\u043e\u0431\u0456\u0433\u0430\u0454 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0430\u043c \u0437 \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u0438\u0432\u043d\u0456\u0441\u0442\u044e <\/strong>\u2013 \u041d\u0438\u0436\u0447\u0435 \u043d\u0430\u0432\u0435\u0434\u0435\u043d\u043e \u0442\u0430\u0431\u043b\u0438\u0446\u044e, \u044f\u043a\u0430 \u0443\u0437\u0430\u0433\u0430\u043b\u044c\u043d\u044e\u0454 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0438 \u0442\u0430 \u0457\u0445 \u043f\u0440\u0438\u0447\u0438\u043d\u0438:<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>\u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430<\/strong><\/td><td><strong>\u042f\u043a\u0449\u043e CV \u0437\u0430\u043d\u0430\u0434\u0442\u043e \u043d\u0438\u0437\u044c\u043a\u0438\u0439<\/strong><\/td><td><strong>\u042f\u043a\u0449\u043e CV \u0437\u0430\u043d\u0430\u0434\u0442\u043e \u0432\u0438\u0441\u043e\u043a\u0438\u0439<\/strong><\/td><\/tr><tr><td><strong>\u0428\u0432\u0438\u0434\u043a\u0456\u0441\u0442\u044c \u043f\u043e\u0442\u043e\u043a\u0443<\/strong><\/td><td>\u0417\u043d\u0438\u0436\u0435\u043d\u0456 \u0448\u0432\u0438\u0434\u043a\u043e\u0441\u0442\u0456 \u043f\u043e\u0442\u043e\u043a\u0443<\/td><td>\u2014<\/td><\/tr><tr><td><strong>\u041f\u0430\u0434\u0456\u043d\u043d\u044f \u0442\u0438\u0441\u043a\u0443<\/strong><\/td><td>\u041d\u0430\u0434\u043c\u0456\u0440\u043d\u0438\u0439 \u043f\u0435\u0440\u0435\u043f\u0430\u0434 \u0442\u0438\u0441\u043a\u0443<\/td><td>\u2014<\/td><\/tr><tr><td><strong>\u0415\u043d\u0435\u0440\u0433\u0456\u044f<\/strong><\/td><td>\u0417\u0431\u0456\u043b\u044c\u0448\u0435\u043d\u0435 \u0441\u043f\u043e\u0436\u0438\u0432\u0430\u043d\u043d\u044f \u0435\u043d\u0435\u0440\u0433\u0456\u0457 \u043d\u0430\u0441\u043e\u0441\u043e\u043c<\/td><td>\u0417\u0431\u0456\u043b\u044c\u0448\u0435\u043d\u0435 \u0441\u043f\u043e\u0436\u0438\u0432\u0430\u043d\u043d\u044f \u0435\u043d\u0435\u0440\u0433\u0456\u0457.<\/td><\/tr><tr><td><strong>\u041a\u041e\u041d\u0422\u0420\u041e\u041b\u042c<\/strong><\/td><td>\u2014<\/td><td>\u041f\u043e\u0433\u0430\u043d\u0438\u0439 \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u044c \u043f\u043e\u0442\u043e\u043a\u0443 \u0442\u0430 \u043d\u0435\u0441\u0442\u0430\u0431\u0456\u043b\u044c\u043d\u0456\u0441\u0442\u044c.<\/td><\/tr><tr><td><strong>System<\/strong><\/td><td>\u2014<\/td><td>Unstable flow conditions, potential valve damage.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>System Hydraulics Optimization \u2013 <\/strong>Engineers use this to calculate pressure drop and estimate flow rate in pipeline design. It helps optimize fluid system performance.<\/li>\n\n\n\n<li><strong>Accurate Valve Selection &amp; Comparison \u2013 <\/strong>A standardized measure helps compare the flow capacity of different valves. Different valve types offer different Cv capabilities. For example, valves that have 50 to 200+ Cv are cost-effective for large flow capacities.<\/li>\n\n\n\n<li><strong>Energy Efficiency &amp; Cost Savings \u2013 <\/strong>A matching CV minimizes pressure loss, reduces operating costs, and avoids energy waste due to improper sizing.\u00a0<\/li>\n\n\n\n<li><strong>Process Stability \u2013 <\/strong>Proper CV improves control response, prevents oscillations, and is essential for stable system control.\u00a0<\/li>\n\n\n\n<li><strong>Troubleshooting &amp; Maintenance \u2013 <\/strong>This helps identify valve degradation in chemical processing systems. Changes in actual Cv often indicate wear, blockage, or installation issues.\u00a0<\/li>\n\n\n\n<li><strong>System Reliability \u2013 <\/strong>Correct CV selection stabilizes pipeline hydraulics. It prevents premature seat degradation and eliminates localized pressure drops.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_is_the_Relationship_Between_Butterfly_Valve_Cv_vs_percent_open\"><\/span><strong>\u042f\u043a\u0438\u0439 \u0437\u0432'\u044f\u0437\u043e\u043a \u043c\u0456\u0436 CV \u043a\u0443\u043b\u044c\u043e\u0432\u043e\u0433\u043e \u043a\u0440\u0430\u043d\u0430 \u0442\u0430 \u0432\u0456\u0434\u0441\u043e\u0442\u043a\u043e\u043c \u0432\u0456\u0434\u043a\u0440\u0438\u0442\u0442\u044f?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The relationship between the <strong>butterfly valve Cv and percent open<\/strong> \u043d\u0435 \u0454 \u043b\u0456\u043d\u0456\u0439\u043d\u043e\u044e. \u041f\u0440\u0438 \u043d\u0438\u0437\u044c\u043a\u0438\u0445 \u043a\u0443\u0442\u0430\u0445 \u0432\u0456\u0434\u043a\u0440\u0438\u0442\u0442\u044f, \u043d\u0438\u0436\u0447\u0435 20 \u0433\u0440\u0430\u0434\u0443\u0441\u0456\u0432, Cv \u0437\u0430\u043b\u0438\u0448\u0430\u0454\u0442\u044c\u0441\u044f \u0434\u0443\u0436\u0435 \u043d\u0438\u0437\u044c\u043a\u0438\u043c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u041c\u0456\u0436 30 \u0456 70 \u0433\u0440\u0430\u0434\u0443\u0441\u0430\u043c\u0438 Cv \u0440\u0456\u0437\u043a\u043e \u0437\u0440\u043e\u0441\u0442\u0430\u0454 \u0437 \u043a\u043e\u0436\u043d\u0438\u043c \u043d\u0435\u0432\u0435\u043b\u0438\u043a\u0438\u043c \u043a\u043e\u0440\u0438\u0433\u0443\u0432\u0430\u043d\u043d\u044f\u043c. \u041f\u0456\u0441\u043b\u044f 70 \u0433\u0440\u0430\u0434\u0443\u0441\u0456\u0432 \u0434\u043e\u0434\u0430\u0442\u043a\u043e\u0432\u0435 \u0432\u0456\u0434\u043a\u0440\u0438\u0442\u0442\u044f \u0434\u043e\u0434\u0430\u0454 \u043d\u0435\u0432\u0435\u043b\u0438\u043a\u0438\u0439 \u0434\u043e\u0434\u0430\u0442\u043a\u043e\u0432\u0438\u0439 \u043f\u043e\u0442\u0456\u043a. \u041c\u0456\u0436 30 \u0456 70 \u0433\u0440\u0430\u0434\u0443\u0441\u0430\u043c\u0438 \u043a\u043b\u0430\u043f\u0430\u043d \u0434\u0435\u043c\u043e\u043d\u0441\u0442\u0440\u0443\u0454 \u0432\u043b\u0430\u0441\u0442\u0438\u0432\u0443 \u0445\u0430\u0440\u0430\u043a\u0442\u0435\u0440\u0438\u0441\u0442\u0438\u043a\u0443 \u043f\u043e\u0442\u043e\u043a\u0443 \u0437 \u0440\u0456\u0432\u043d\u0438\u043c \u0432\u0456\u0434\u0441\u043e\u0442\u043a\u043e\u043c. \u0426\u0435 \u043e\u0437\u043d\u0430\u0447\u0430\u0454, \u0449\u043e Cv \u0435\u043a\u0441\u043f\u043e\u043d\u0435\u043d\u0446\u0456\u0430\u043b\u044c\u043d\u043e \u0437\u0440\u043e\u0441\u0442\u0430\u0454 \u043f\u0440\u0438 \u043d\u0435\u0437\u043d\u0430\u0447\u043d\u0438\u0445 \u043a\u0443\u0442\u043e\u0432\u0438\u0445 \u043a\u043e\u0440\u0438\u0433\u0443\u0432\u0430\u043d\u043d\u044f\u0445.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0426\u044f \u043a\u0440\u0438\u0432\u0430 \u0432\u0430\u0436\u043b\u0438\u0432\u0430 \u0434\u043b\u044f \u0437\u0430\u0441\u0442\u043e\u0441\u0443\u0432\u0430\u043d\u044c \u0437 \u0440\u0435\u0433\u0443\u043b\u044e\u044e\u0447\u0438\u043c\u0438 \u043a\u043b\u0430\u043f\u0430\u043d\u0430\u043c\u0438. \u041e\u043f\u0435\u0440\u0430\u0442\u043e\u0440\u0438 \u043f\u043e\u0442\u0440\u0435\u0431\u0443\u044e\u0442\u044c \u0442\u043e\u0447\u043d\u043e\u0433\u043e \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u044e \u0432 \u043a\u0440\u0443\u0442\u043e\u043c\u0443 \u0441\u0435\u0440\u0435\u0434\u043d\u044c\u043e\u043c\u0443 \u0434\u0456\u0430\u043f\u0430\u0437\u043e\u043d\u0456, \u0449\u043e\u0431 \u0443\u043d\u0438\u043a\u043d\u0443\u0442\u0438 \u0440\u0430\u043f\u0442\u043e\u0432\u0438\u0445 \u0441\u043f\u043b\u0435\u0441\u043a\u0456\u0432 \u043f\u043e\u0442\u043e\u043a\u0443.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Factors_That_Affect_the_CV_Value\"><\/span><strong>\u0424\u0430\u043a\u0442\u043e\u0440\u0438, \u0449\u043e \u0432\u043f\u043b\u0438\u0432\u0430\u044e\u0442\u044c \u043d\u0430 \u0437\u043d\u0430\u0447\u0435\u043d\u043d\u044f CV<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img decoding=\"async\" width=\"1024\" height=\"512\" src=\"https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724763-1024x512.webp\" alt=\"\u0424\u0430\u043a\u0442\u043e\u0440\u0438, \u0449\u043e \u0432\u043f\u043b\u0438\u0432\u0430\u044e\u0442\u044c \u043d\u0430 \u0437\u043d\u0430\u0447\u0435\u043d\u043d\u044f CV\" class=\"wp-image-15749\" style=\"width:652px;height:auto\" srcset=\"https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724763-1024x512.webp 1024w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724763-300x150.webp 300w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724763-768x384.webp 768w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724763-18x9.webp 18w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724763.webp 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u041a\u0456\u043b\u044c\u043a\u0430 \u0444\u0430\u043a\u0442\u043e\u0440\u0456\u0432 \u0432\u043f\u043b\u0438\u0432\u0430\u044e\u0442\u044c \u043d\u0430 \u043a\u0456\u043d\u0446\u0435\u0432\u0438\u0439 \u0440\u0435\u0439\u0442\u0438\u043d\u0433 CV \u0437\u0430\u043f\u0456\u0440\u043d\u043e\u0433\u043e \u043a\u043b\u0430\u043f\u0430\u043d\u0430. \u0420\u043e\u0437\u043c\u0456\u0440 \u043a\u043b\u0430\u043f\u0430\u043d\u0430 \u043c\u0430\u0454 \u043d\u0430\u0439\u0431\u0456\u043b\u044c\u0448\u0438\u0439 \u0432\u043f\u043b\u0438\u0432, \u043e\u0441\u043a\u0456\u043b\u044c\u043a\u0438 \u0431\u0456\u043b\u044c\u0448\u0456 \u043e\u0442\u0432\u043e\u0440\u0438 \u043f\u0440\u043e\u043f\u0443\u0441\u043a\u0430\u044e\u0442\u044c \u0431\u0456\u043b\u044c\u0448\u0435 \u0440\u0456\u0434\u0438\u043d\u0438.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0414\u0438\u0437\u0430\u0439\u043d \u0434\u0438\u0441\u043a\u0430 \u0442\u0430\u043a\u043e\u0436 \u043c\u0430\u0454 \u0437\u043d\u0430\u0447\u0435\u043d\u043d\u044f. \u0415\u043a\u0441\u0446\u0435\u043d\u0442\u0440\u0438\u0447\u043d\u0456 \u0434\u0438\u0441\u043a\u0438 \u0447\u0430\u0441\u0442\u043e \u0434\u043e\u0441\u044f\u0433\u0430\u044e\u0442\u044c \u0432\u0438\u0449\u043e\u0433\u043e Cv, \u043d\u0456\u0436 \u043a\u043e\u043d\u0446\u0435\u043d\u0442\u0440\u0438\u0447\u043d\u0456 \u043a\u043e\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0456\u0457 \u0442\u043e\u0433\u043e \u0436 \u043d\u043e\u043c\u0456\u043d\u0430\u043b\u044c\u043d\u043e\u0433\u043e \u0440\u043e\u0437\u043c\u0456\u0440\u0443.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u041c\u0430\u0442\u0435\u0440\u0456\u0430\u043b \u0441\u0456\u0434\u043b\u0430 \u0442\u0430 \u0442\u043e\u0432\u0449\u0438\u043d\u0430 \u0432\u043a\u043b\u0430\u0434\u0438\u0448\u0430 \u043c\u043e\u0436\u0443\u0442\u044c \u0442\u0440\u043e\u0445\u0438 \u0437\u043c\u0435\u043d\u0448\u0438\u0442\u0438 \u0435\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u0443 \u043f\u043b\u043e\u0449\u0443 \u043f\u043e\u0442\u043e\u043a\u0443. \u0421\u0442\u0438\u043b\u044c \u043a\u043e\u0440\u043f\u0443\u0441\u0443, \u0442\u0430\u043a\u0438\u0439 \u044f\u043a wafer, lug \u0430\u0431\u043e \u0444\u043b\u0430\u043d\u0446\u0435\u0432\u0438\u0439, \u043c\u0430\u0454 \u043c\u0435\u043d\u0448\u0438\u0439, \u0430\u043b\u0435 \u0432\u0438\u043c\u0456\u0440\u043d\u0438\u0439 \u0432\u043f\u043b\u0438\u0432 \u043d\u0430 Cv.<\/p>\n\n\n\n\n<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n  <title>\u0412\u0438\u0431\u0456\u0440 \u0433\u043e\u043b\u043e\u0432\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u0443<\/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\/uk\/product\/butterfly-valve\/\" target=\"_blank\">\n  <img decoding=\"async\" class=\"hero-image\" src=\"https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2022\/02\/%E5%AF%B9%E7%84%8A%E5%BC%8F%E4%B8%89%E5%81%8F%E5%BF%83%E5%A4%9A%E5%B1%82%E6%AC%A1%E7%A1%AC%E5%AF%86%E5%B0%81%E8%9D%B6%E9%98%80.jpg\" alt=\"\u041f\u043e\u0432\u043e\u0440\u043e\u0442\u043d\u0438\u0439 \u043a\u043b\u0430\u043f\u0430\u043d\">\n  <div class=\"hero-content\">\n    <div class=\"hero-title\">\ud83d\udee0 \u041a\u043b\u0430\u043f\u0430\u043d-\u043c\u0435\u0442\u0435\u043b\u0438\u043a<\/div>\n    <div class=\"hero-description\">\u041f\u0440\u0435\u0446\u0438\u0437\u0456\u0439\u043d\u043e \u0440\u043e\u0437\u0440\u043e\u0431\u043b\u0435\u043d\u0438\u0439 \u0434\u0440\u043e\u0441\u0435\u043b\u044c\u043d\u0438\u0439 \u043a\u043b\u0430\u043f\u0430\u043d \u0434\u043b\u044f \u0435\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u043e\u0433\u043e \u0440\u0435\u0433\u0443\u043b\u044e\u0432\u0430\u043d\u043d\u044f \u043f\u043e\u0442\u043e\u043a\u0443 \u0432 \u0440\u0456\u0437\u043d\u0438\u0445 \u043f\u0440\u043e\u043c\u0438\u0441\u043b\u043e\u0432\u0438\u0445 \u0437\u0430\u0441\u0442\u043e\u0441\u0443\u0432\u0430\u043d\u043d\u044f\u0445. \u041d\u0430\u0434\u0456\u0439\u043d\u0430 \u0440\u043e\u0431\u043e\u0442\u0430 \u044f\u043a \u0434\u043b\u044f \u0441\u0438\u0441\u0442\u0435\u043c \u0432\u0438\u0441\u043e\u043a\u043e\u0433\u043e, \u0442\u0430\u043a \u0456 \u043d\u0438\u0437\u044c\u043a\u043e\u0433\u043e \u0442\u0438\u0441\u043a\u0443.<\/div>\n    <span class=\"hero-link\">\u041e\u0437\u043d\u0430\u0439\u043e\u043c\u0438\u0442\u0438\u0441\u044f \u0437 \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u043e\u043c<\/span>\n  <\/div>\n<\/a>\n\n<\/body>\n<\/html>\n\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_CV_Matters_for_B2B_Procurement\"><\/span><strong>\u0427\u043e\u043c\u0443 CV \u043c\u0430\u0454 \u0437\u043d\u0430\u0447\u0435\u043d\u043d\u044f \u0434\u043b\u044f B2B \u0437\u0430\u043a\u0443\u043f\u0456\u0432\u0435\u043b\u044c<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u041f\u043e\u0440\u0456\u0432\u043d\u044f\u043d\u043d\u044f <strong>\u043a\u043e\u0435\u0444\u0456\u0446\u0456\u0454\u043d\u0442\u0430 Cv \u0437\u0430\u0442\u0432\u043e\u0440\u0430-\u043c\u0435\u0442\u0435\u043b\u0438\u043a\u0430<\/strong> \u043c\u0456\u0436 \u043f\u043e\u0441\u0442\u0430\u0447\u0430\u043b\u044c\u043d\u0438\u043a\u0430\u043c\u0438 \u0434\u043e\u043f\u043e\u043c\u0430\u0433\u0430\u0454 \u043f\u043e\u043a\u0443\u043f\u0446\u044f\u043c \u0443\u043d\u0438\u043a\u043d\u0443\u0442\u0438 \u043d\u0435\u0432\u0456\u0434\u043f\u043e\u0432\u0456\u0434\u043d\u0438\u0445 \u0441\u043f\u0435\u0446\u0438\u0444\u0456\u043a\u0430\u0446\u0456\u0439. \u041a\u043b\u0430\u043f\u0430\u043d \u0437 \u043d\u0435\u0434\u043e\u0441\u0442\u0430\u0442\u043d\u0456\u043c Cv \u0441\u0442\u0432\u043e\u0440\u044e\u0454 \u043d\u0430\u0434\u043c\u0456\u0440\u043d\u0438\u0439 \u043f\u0435\u0440\u0435\u043f\u0430\u0434 \u0442\u0438\u0441\u043a\u0443 \u0442\u0430 \u043c\u0430\u0440\u043d\u0443\u0454 \u0435\u043d\u0435\u0440\u0433\u0456\u044e \u043d\u0430\u0441\u043e\u0441\u0430.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u041a\u043b\u0430\u043f\u0430\u043d \u0437\u0430\u043d\u0430\u0434\u0442\u043e \u0432\u0435\u043b\u0438\u043a\u043e\u0433\u043e \u0440\u043e\u0437\u043c\u0456\u0440\u0443 \u043c\u043e\u0436\u0435 \u0437\u0430\u0431\u0435\u0437\u043f\u0435\u0447\u0438\u0442\u0438 \u043f\u043e\u0433\u0430\u043d\u0438\u0439 \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u044c \u043f\u0440\u0438 \u043d\u0438\u0437\u044c\u043a\u0438\u0445 \u0448\u0432\u0438\u0434\u043a\u043e\u0441\u0442\u044f\u0445 \u043f\u043e\u0442\u043e\u043a\u0443. \u0417\u0430\u043f\u0438\u0442 \u043d\u0430 <strong>\u0442\u0430\u0431\u043b\u0438\u0446\u044e \u043a\u043e\u0435\u0444\u0456\u0446\u0456\u0454\u043d\u0442\u0456\u0432 Cv \u0437\u0430\u043f\u0456\u0440\u043d\u043e\u0433\u043e \u043a\u043b\u0430\u043f\u0430\u043d\u0430<\/strong> \u0442\u0430 \u0434\u0430\u043d\u0456 \u0432\u0438\u043f\u0440\u043e\u0431\u0443\u0432\u0430\u043d\u044c \u043d\u0430 \u0435\u0442\u0430\u043f\u0456 \u043f\u0440\u043e\u043f\u043e\u0437\u0438\u0446\u0456\u0457 \u0437\u0430\u0445\u0438\u0449\u0430\u0454 \u0442\u0435\u0440\u043c\u0456\u043d\u0438 \u0442\u0430 \u0431\u044e\u0434\u0436\u0435\u0442 \u0432\u0430\u0448\u043e\u0433\u043e \u043f\u0440\u043e\u0435\u043a\u0442\u0443.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span><strong>\u0412\u0438\u0441\u043d\u043e\u0432\u043e\u043a<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img decoding=\"async\" width=\"1024\" height=\"512\" src=\"https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724764-1024x512.webp\" alt=\"\u0412\u0456\u0434\u043f\u043e\u0432\u0456\u0434\u043d\u0456\u0441\u0442\u044c CV \u0437\u0430\u0431\u0435\u0437\u043f\u0435\u0447\u0443\u0454 \u0435\u043d\u0435\u0440\u0433\u043e\u0435\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u0456\u0441\u0442\u044c \u0442\u0430 \u043e\u043f\u0442\u0438\u043c\u0430\u043b\u044c\u043d\u0443 \u0433\u0456\u0434\u0440\u0430\u0432\u043b\u0456\u0447\u043d\u0443 \u0441\u0442\u0430\u0431\u0456\u043b\u044c\u043d\u0456\u0441\u0442\u044c \u0442\u0440\u0443\u0431\u043e\u043f\u0440\u043e\u0432\u043e\u0434\u0443.\" class=\"wp-image-15750\" style=\"width:636px;height:auto\" srcset=\"https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724764-1024x512.webp 1024w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724764-300x150.webp 300w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724764-768x384.webp 768w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724764-18x9.webp 18w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724764.webp 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u0420\u043e\u0437\u0443\u043c\u0456\u043d\u043d\u044f <strong>\u0440\u043e\u0437\u0440\u0430\u0445\u0443\u043d\u043e\u043a \u0432\u0438\u0442\u0440\u0430\u0442\u0438 \u0437\u0430\u0442\u0432\u043e\u0440\u0430-\u043c\u0435\u0442\u0435\u043b\u0438\u043a\u0430<\/strong> \u0434\u043e\u043f\u043e\u043c\u0430\u0433\u0430\u0454 \u0432\u0430\u043c \u0432\u0438\u0431\u0440\u0430\u0442\u0438 \u043a\u043b\u0430\u043f\u0430\u043d\u0438, \u044f\u043a\u0456 \u0432\u0456\u0434\u043f\u043e\u0432\u0456\u0434\u0430\u044e\u0442\u044c \u043f\u043e\u0442\u0440\u0435\u0431\u0430\u043c \u0432\u0430\u0448\u043e\u0457 \u0441\u0438\u0441\u0442\u0435\u043c\u0438 \u0449\u043e\u0434\u043e \u043f\u043e\u0442\u043e\u043a\u0443 \u0442\u0430 \u0442\u0438\u0441\u043a\u0443. Xintai Valve \u043c\u0430\u0454 \u043e\u043d\u043b\u0430\u0439\u043d <strong>\u0440\u043e\u0437\u0440\u0430\u0445\u0443\u043d\u043e\u043a \u0432\u0438\u0442\u0440\u0430\u0442\u0438 \u0437\u0430\u0442\u0432\u043e\u0440\u0430-\u043c\u0435\u0442\u0435\u043b\u0438\u043a\u0430<\/strong> \u0456\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442 \u0434\u043b\u044f \u0434\u043e\u043f\u043e\u043c\u043e\u0433\u0438 \u0432 \u0440\u043e\u0437\u0440\u0430\u0445\u0443\u043d\u043a\u0443 \u0440\u043e\u0437\u043c\u0456\u0440\u0443 \u043a\u043b\u0430\u043f\u0430\u043d\u0430.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Xintai Valves \u0442\u0430\u043a\u043e\u0436 \u0432\u0438\u0440\u043e\u0431\u043b\u044f\u0454 \u0437\u0430\u043f\u0456\u0440\u043d\u0456 \u043a\u043b\u0430\u043f\u0430\u043d\u0438, \u0432\u0438\u043f\u0440\u043e\u0431\u0443\u0432\u0430\u043d\u0456 \u0432\u0456\u0434\u043f\u043e\u0432\u0456\u0434\u043d\u043e \u0434\u043e \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0456\u0432 ISO 9001, <a href=\"https:\/\/www.xintaivalves.com\/uk\/blog\/standard\/understanding-the-standard-api-valve\/\" target=\"_blank\" data-type=\"link\" data-id=\"https:\/\/www.xintaivalves.com\/blog\/standard\/understanding-the-standard-api-valve\/\" rel=\"noreferrer noopener\">API 609<\/a>, \u0442\u0430 EN 593. \u041d\u0430\u0448\u0430 \u0444\u0430\u0431\u0440\u0438\u043a\u0430 \u043c\u0430\u0454 \u0441\u0435\u0440\u0442\u0438\u0444\u0456\u043a\u0430\u0442\u0438 CE \u0442\u0430 API \u0442\u0430 \u0435\u043a\u0441\u043f\u043e\u0440\u0442\u0443\u0454 \u0434\u043e \u0431\u0456\u043b\u044c\u0448 \u043d\u0456\u0436 60 \u043a\u0440\u0430\u0457\u043d.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.xintaivalves.com\/uk\/contact\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u0417\u0432'\u044f\u0436\u0456\u0442\u044c\u0441\u044f \u0437 \u0442\u0435\u0445\u043d\u0456\u0447\u043d\u043e\u044e \u043a\u043e\u043c\u0430\u043d\u0434\u043e\u044e Xintai Valves<\/a> \u0434\u043b\u044f <strong>\u043a\u043e\u0435\u0444\u0456\u0446\u0456\u0454\u043d\u0442 Cv \u0434\u043b\u044f \u043a\u0443\u043b\u044c\u043e\u0432\u043e\u0433\u043e \u043a\u0440\u0430\u043d\u0430 PDF<\/strong> \u0432\u0456\u0434\u043f\u043e\u0432\u0456\u0434\u0430\u0454 \u0432\u0438\u043c\u043e\u0433\u0430\u043c \u0432\u0430\u0448\u043e\u0433\u043e \u043f\u0440\u043e\u0435\u043a\u0442\u0443.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Frequently_Asked_Questions_FAQs\"><\/span><strong>\u041f\u043e\u0448\u0438\u0440\u0435\u043d\u0456 \u0437\u0430\u043f\u0438\u0442\u0430\u043d\u043d\u044f (FAQ)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_What_is_a_good_Cv_value_for_a_butterfly_valve\"><\/span><strong>1. \u042f\u043a\u0435 \u0445\u043e\u0440\u043e\u0448\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u043d\u044f Cv \u0434\u043b\u044f \u043a\u0443\u043b\u044c\u043e\u0432\u043e\u0433\u043e \u043a\u0440\u0430\u043d\u0430?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0406\u0434\u0435\u0430\u043b\u044c\u043d\u0438\u0439 CV \u0437\u0430\u043b\u0435\u0436\u0438\u0442\u044c \u0432\u0456\u0434 \u0448\u0432\u0438\u0434\u043a\u043e\u0441\u0442\u0456 \u043f\u043e\u0442\u043e\u043a\u0443 \u0432\u0430\u0448\u043e\u0457 \u0441\u0438\u0441\u0442\u0435\u043c\u0438 \u0442\u0430 \u0434\u043e\u043f\u0443\u0441\u0442\u0438\u043c\u043e\u0433\u043e \u043f\u0435\u0440\u0435\u043f\u0430\u0434\u0443 \u0442\u0438\u0441\u043a\u0443. \u0420\u043e\u0437\u0440\u0430\u0445\u0443\u0439\u0442\u0435 \u043d\u0435\u043e\u0431\u0445\u0456\u0434\u043d\u0438\u0439 CV \u043d\u0430 \u043e\u0441\u043d\u043e\u0432\u0456 \u0432\u0430\u0448\u0438\u0445 \u0434\u0430\u043d\u0438\u0445 \u043f\u0440\u043e\u0446\u0435\u0441\u0443, \u0430 \u043f\u043e\u0442\u0456\u043c \u043f\u0456\u0434\u0431\u0435\u0440\u0456\u0442\u044c \u0440\u043e\u0437\u043c\u0456\u0440 \u043a\u043b\u0430\u043f\u0430\u043d\u0430 \u0437 \u0442\u0430\u0431\u043b\u0438\u0446\u0456 \u0432\u0438\u0440\u043e\u0431\u043d\u0438\u043a\u0430.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_How_do_I_find_the_Cv_factor_table_for_my_valve_size\"><\/span><strong>2. \u0414\u0435 \u0437\u043d\u0430\u0439\u0442\u0438 \u0442\u0430\u0431\u043b\u0438\u0446\u044e \u043a\u043e\u0435\u0444\u0456\u0446\u0456\u0454\u043d\u0442\u0456\u0432 Cv \u0434\u043b\u044f \u043c\u043e\u0433\u043e \u0440\u043e\u0437\u043c\u0456\u0440\u0443 \u043a\u043b\u0430\u043f\u0430\u043d\u0430?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0417\u0430\u043f\u0438\u0442\u0430\u0439\u0442\u0435 <strong>\u0442\u0430\u0431\u043b\u0438\u0446\u044e \u043a\u043e\u0435\u0444\u0456\u0446\u0456\u0454\u043d\u0442\u0456\u0432 CV \u0434\u043b\u044f \u043a\u0443\u043b\u044c\u043e\u0432\u043e\u0433\u043e \u043a\u0440\u0430\u043d\u0430<\/strong> \u0430\u0431\u043e PDF \u0431\u0435\u0437\u043f\u043e\u0441\u0435\u0440\u0435\u0434\u043d\u044c\u043e \u0443 \u0432\u0438\u0440\u043e\u0431\u043d\u0438\u043a\u0430. Xintai Valves \u043d\u0430\u0434\u0430\u0454 \u0446\u0435\u0439 \u043f\u0430\u0441\u043f\u043e\u0440\u0442 \u0434\u0430\u043d\u0438\u0445 \u0437 \u043a\u043e\u0436\u043d\u0438\u043c \u0437\u0430\u043f\u0438\u0442\u043e\u043c \u0449\u043e\u0434\u043e \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u0443.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Does_CV_change_with_the_valve_material\"><\/span><strong>3. \u0427\u0438 \u0437\u043c\u0456\u043d\u044e\u0454\u0442\u044c\u0441\u044f CV \u0437\u0430\u043b\u0435\u0436\u043d\u043e \u0432\u0456\u0434 \u043c\u0430\u0442\u0435\u0440\u0456\u0430\u043b\u0443 \u043a\u043b\u0430\u043f\u0430\u043d\u0430?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u041c\u0430\u0442\u0435\u0440\u0456\u0430\u043b \u043a\u043e\u0440\u043f\u0443\u0441\u0443 \u0442\u0430 \u0434\u0438\u0441\u043a\u0430 \u043c\u0430\u044e\u0442\u044c \u043c\u0456\u043d\u0456\u043c\u0430\u043b\u044c\u043d\u0438\u0439 \u043f\u0440\u044f\u043c\u0438\u0439 \u0432\u043f\u043b\u0438\u0432 \u043d\u0430 Cv. \u041e\u0434\u043d\u0430\u043a \u0442\u043e\u0432\u0449\u0438\u043d\u0430 \u0444\u0443\u0442\u0435\u0440\u043e\u0432\u043a\u0438 \u0432 \u043a\u043b\u0430\u043f\u0430\u043d\u0430\u0445 \u0437 \u0444\u0443\u0442\u0435\u0440\u043e\u0432\u043a\u043e\u044e \u0437 \u041f\u0422\u0424\u0415 \u043c\u043e\u0436\u0435 \u0434\u0435\u0449\u043e \u0437\u043c\u0435\u043d\u0448\u0438\u0442\u0438 \u043f\u043b\u043e\u0449\u0443 \u043f\u043e\u0442\u043e\u043a\u0443. \u041d\u0430\u043f\u0440\u0438\u043a\u043b\u0430\u0434, \u043a\u043e\u043d\u0446\u0435\u043d\u0442\u0440\u0438\u0447\u043d\u0456 \u043a\u0443\u043b\u044c\u043e\u0432\u0456 \u043a\u0440\u0430\u043d\u0438 \u0437 \u0442\u043e\u0432\u0441\u0442\u043e\u044e \u0435\u043b\u0430\u0441\u0442\u043e\u043c\u0435\u0440\u043d\u043e\u044e \u0430\u0431\u043e \u041f\u0422\u0424\u0415 \u0444\u0443\u0442\u0435\u0440\u043e\u0432\u043a\u043e\u044e \u0437\u043c\u0435\u043d\u0448\u0443\u044e\u0442\u044c \u043d\u043e\u043c\u0456\u043d\u0430\u043b\u044c\u043d\u0438\u0439 \u0432\u043d\u0443\u0442\u0440\u0456\u0448\u043d\u0456\u0439 \u0434\u0456\u0430\u043c\u0435\u0442\u0440 \u043d\u0430 2\u20135%. \u0426\u0435 \u0437\u043d\u0438\u0436\u0443\u0454 \u0444\u0430\u043a\u0442\u0438\u0447\u043d\u0438\u0439 Cv \u043f\u043e\u0440\u0456\u0432\u043d\u044f\u043d\u043e \u0437 \u043a\u043b\u0430\u043f\u0430\u043d\u043e\u043c \u0431\u0435\u0437 \u0444\u0443\u0442\u0435\u0440\u043e\u0432\u043a\u0438.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_Can_I_estimate_flow_without_a_calculator\"><\/span><strong>4.<\/strong> <strong>\u0427\u0438 \u043c\u043e\u0436\u0443 \u044f \u043e\u0446\u0456\u043d\u0438\u0442\u0438 \u043f\u043e\u0442\u0456\u043a \u0431\u0435\u0437 \u043a\u0430\u043b\u044c\u043a\u0443\u043b\u044f\u0442\u043e\u0440\u0430?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0422\u0430\u043a. \u0412\u0438\u043a\u043e\u0440\u0438\u0441\u0442\u043e\u0432\u0443\u0439\u0442\u0435 \u043f\u0435\u0440\u0435\u0444\u043e\u0440\u043c\u0443\u043b\u044c\u043e\u0432\u0430\u043d\u0443 \u0444\u043e\u0440\u043c\u0443\u043b\u0443 Q = Cv x \u043a\u0432\u0430\u0434\u0440\u0430\u0442\u043d\u0438\u0439 \u043a\u043e\u0440\u0456\u043d\u044c \u0437 (dP \/ SG) \u0434\u043b\u044f \u0448\u0432\u0438\u0434\u043a\u043e\u0457 \u0440\u0443\u0447\u043d\u043e\u0457 \u043e\u0446\u0456\u043d\u043a\u0438. \u041e\u0434\u043d\u0430\u043a \u0431\u0443\u0434\u044c\u0442\u0435 \u043e\u0431\u0435\u0440\u0435\u0436\u043d\u0456 \u043f\u0440\u0438 \u043d\u0430\u0434\u0430\u043d\u043d\u0456 \u043e\u0446\u0456\u043d\u043a\u0438. \u041d\u0435\u0432\u0435\u043b\u0438\u043a\u0430 \u043d\u0435\u0442\u043e\u0447\u043d\u0456\u0441\u0442\u044c \u043c\u043e\u0436\u0435 \u0437\u043d\u0430\u0447\u043d\u043e \u0432\u043f\u043b\u0438\u043d\u0443\u0442\u0438 \u043d\u0430 \u0435\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u0456\u0441\u0442\u044c \u0432\u0430\u0448\u043e\u0433\u043e \u043f\u0440\u043e\u0435\u043a\u0442\u0443.<\/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\/uk\/contact\/\" style=\"font-style:normal;font-weight:500\" target=\"_blank\" rel=\"noreferrer noopener\">\u041e\u0442\u0440\u0438\u043c\u0430\u0442\u0438 \u043f\u0440\u043e\u043f\u043e\u0437\u0438\u0446\u0456\u044e<\/a><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>The butterfly valve CV factor is a standardized measure of its flow capacity. It tells you how much fluid a valve passes at a set pressure drop. The CV value or flow coefficient is calculated in US gallons per minute and passes through a valve at a 1 psi pressure drop.\u00a0 Engineers use the butterfly [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":15746,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-15745","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-butterfly-valve"],"_links":{"self":[{"href":"https:\/\/www.xintaivalves.com\/uk\/wp-json\/wp\/v2\/posts\/15745","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xintaivalves.com\/uk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xintaivalves.com\/uk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/uk\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/uk\/wp-json\/wp\/v2\/comments?post=15745"}],"version-history":[{"count":3,"href":"https:\/\/www.xintaivalves.com\/uk\/wp-json\/wp\/v2\/posts\/15745\/revisions"}],"predecessor-version":[{"id":15753,"href":"https:\/\/www.xintaivalves.com\/uk\/wp-json\/wp\/v2\/posts\/15745\/revisions\/15753"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/uk\/wp-json\/wp\/v2\/media\/15746"}],"wp:attachment":[{"href":"https:\/\/www.xintaivalves.com\/uk\/wp-json\/wp\/v2\/media?parent=15745"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xintaivalves.com\/uk\/wp-json\/wp\/v2\/categories?post=15745"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xintaivalves.com\/uk\/wp-json\/wp\/v2\/tags?post=15745"}],"curies":[{"name":"\u0412\u041f","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}