{"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\/ms\/blog\/butterfly-valve\/what-butterfly-valve-cv-value-flow-coefficient\/","title":{"rendered":"Apakah Faktor CV Injap Rama-rama dan Mengapa Ia Relevan?"},"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\">Isi kandungan<\/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=\"Togol Jadual Kandungan\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Togol<\/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\/ms\/blog\/butterfly-valve\/what-butterfly-valve-cv-value-flow-coefficient\/#How_Do_You_Use_the_Butterfly_Valve_CV_Factor_Formula\" >How Do You Use the Butterfly Valve CV Factor Formula?<\/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\/ms\/blog\/butterfly-valve\/what-butterfly-valve-cv-value-flow-coefficient\/#Key_Reasons_Why_CV_Calculation_Matters\" >Key Reasons Why CV Calculation Matters<\/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\/ms\/blog\/butterfly-valve\/what-butterfly-valve-cv-value-flow-coefficient\/#What_is_the_Relationship_Between_Butterfly_Valve_Cv_vs_percent_open\" >What is the Relationship Between Butterfly Valve Cv vs. percent open?<\/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\/ms\/blog\/butterfly-valve\/what-butterfly-valve-cv-value-flow-coefficient\/#Factors_That_Affect_the_CV_Value\" >Factors That Affect the CV Value<\/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\/ms\/blog\/butterfly-valve\/what-butterfly-valve-cv-value-flow-coefficient\/#Why_CV_Matters_for_B2B_Procurement\" >Why CV Matters for B2B Procurement<\/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\/ms\/blog\/butterfly-valve\/what-butterfly-valve-cv-value-flow-coefficient\/#Conclusion\" >Kesimpulan<\/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\/ms\/blog\/butterfly-valve\/what-butterfly-valve-cv-value-flow-coefficient\/#Frequently_Asked_Questions_FAQs\" >Frequently Asked Questions (FAQs)<\/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\/ms\/blog\/butterfly-valve\/what-butterfly-valve-cv-value-flow-coefficient\/#1_What_is_a_good_Cv_value_for_a_butterfly_valve\" >1. What is a good Cv value for a butterfly valve?<\/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\/ms\/blog\/butterfly-valve\/what-butterfly-valve-cv-value-flow-coefficient\/#2_How_do_I_find_the_Cv_factor_table_for_my_valve_size\" >2. How do I find the Cv factor table for my valve size?<\/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\/ms\/blog\/butterfly-valve\/what-butterfly-valve-cv-value-flow-coefficient\/#3_Does_CV_change_with_the_valve_material\" >3. Does CV change with the valve material?<\/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\/ms\/blog\/butterfly-valve\/what-butterfly-valve-cv-value-flow-coefficient\/#4_Can_I_estimate_flow_without_a_calculator\" >4. Can I estimate flow without a calculator?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\">The <strong>butterfly valve CV factor <\/strong>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 <a href=\"https:\/\/www.xintaivalves.com\/ms\/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\">flow coefficient<\/a> is calculated in US gallons per minute and passes through a valve at a 1 psi pressure drop.\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Engineers use the <strong>butterfly valve flow rate calculation <\/strong>to pick the correct valve size. Procurement teams compare this spec across suppliers before placing orders.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A wrong CV choice can cause poor <a href=\"https:\/\/www.xintaivalves.com\/ms\/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\">kawalan aliran<\/a> or wasted pump energy. This guide explains the formula, <strong>butterfly valve Cv chart<\/strong>, and tables you need for accurate selection.<\/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>How Do You Use the Butterfly Valve CV Factor Formula?<\/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=\"Rumus Faktor CV Katup Kupu-Kupu\" 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\">Calculating the <strong>butterfly valve Cv factor<\/strong> is critical. It directly determines whether your valve will perform correctly in your chemical plant or industrial system.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This helps engineers size pumps and select pipe diameters correctly. Many suppliers offer free online <strong>butterfly valve pressure drop calculators<\/strong> or spreadsheet tools for this purpose.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Here is the standard formula used to calculate Cv for liquid flow:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The basic <strong>butterfly valve Cv factor formula<\/strong> is <em>Cv = Q x square root of (SG \/ dP<\/em>).&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Q mewakili kadar aliran dalam gelen per minit. SG ialah graviti tentu bendalir, dengan air bersamaan 1.<\/li>\n\n\n\n<li>dP ialah penurunan tekanan merentasi injap dalam psi. Contohnya, jika air mengalir pada 100 GPM dengan penurunan 4 psi, Cv bersamaan 50.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Sistem metrik selalunya menggunakan Kv berbanding Cv. Kv bersamaan kira-kira 0.865 kali Cv untuk injap yang sama.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Key_Reasons_Why_CV_Calculation_Matters\"><\/span><strong>Key Reasons Why CV Calculation Matters<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Saiz Injap yang Betul <\/strong>\u2013 Ini ialah faktor paling kritikal dalam menentukan kapasiti aliran. CV ialah tulang belakang <a href=\"https:\/\/www.xintaivalves.com\/ms\/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\">saiz injap<\/a> pengiraan. Saiz injap yang betul memastikan aliran yang mencukupi tanpa terlebih saiz atau kurang saiz injap.\u00a0<\/li>\n\n\n\n<li><strong>Mencegah Masalah Prestasi <\/strong>\u2013 Di bawah ialah jadual yang merumuskan masalah dan puncanya:<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Masalah<\/strong><\/td><td><strong>Jika CV Terlalu Rendah<\/strong><\/td><td><strong>Jika CV Terlalu Tinggi<\/strong><\/td><\/tr><tr><td><strong>Kadar aliran<\/strong><\/td><td>Kadar aliran berkurangan<\/td><td>\u2014<\/td><\/tr><tr><td><strong>Kejatuhan tekanan<\/strong><\/td><td>Penurunan tekanan berlebihan<\/td><td>\u2014<\/td><\/tr><tr><td><strong>Tenaga<\/strong><\/td><td>Peningkatan penggunaan tenaga pam<\/td><td>Penggunaan tenaga yang meningkat.<\/td><\/tr><tr><td><strong>Kawalan<\/strong><\/td><td>\u2014<\/td><td>Kawalan aliran yang lemah &amp; ketidakstabilan.<\/td><\/tr><tr><td><strong>Sistem<\/strong><\/td><td>\u2014<\/td><td>Keadaan aliran tidak stabil, potensi kerusakan katup.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>Optimalisasi Hidraulik Sistem \u2013 <\/strong>Insinyur menggunakan ini untuk menghitung penurunan tekanan dan memperkirakan laju aliran dalam desain perpipaan. Ini membantu mengoptimalkan kinerja sistem fluida.<\/li>\n\n\n\n<li><strong>Pemilihan &amp; Perbandingan Katup yang Akurat \u2013 <\/strong>Ukuran standar membantu membandingkan kapasitas aliran katup yang berbeda. Jenis katup yang berbeda menawarkan kemampuan Cv yang berbeda. Misalnya, katup yang memiliki 50 hingga 200+ Cv hemat biaya untuk kapasitas aliran besar.<\/li>\n\n\n\n<li><strong>Efisiensi Energi &amp; Penghematan Biaya \u2013 <\/strong>Cv yang sesuai meminimalkan kehilangan tekanan, mengurangi biaya operasional, dan menghindari pemborosan energi karena ukuran yang tidak tepat.\u00a0<\/li>\n\n\n\n<li><strong>Stabilitas Proses \u2013 <\/strong>Cv yang tepat meningkatkan respons kontrol, mencegah osilasi, dan penting untuk kontrol sistem yang stabil.\u00a0<\/li>\n\n\n\n<li><strong>Pemecahan Masalah &amp; Pemeliharaan \u2013 <\/strong>Ini membantu mengidentifikasi degradasi katup dalam sistem pemrosesan kimia. Perubahan pada Cv aktual sering kali menunjukkan keausan, penyumbatan, atau masalah pemasangan.\u00a0<\/li>\n\n\n\n<li><strong>Keandalan Sistem \u2013 <\/strong>Pemilihan Cv yang benar menstabilkan hidraulik perpipaan. Ini mencegah degradasi dudukan dini dan menghilangkan penurunan tekanan lokal.<\/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>What is the Relationship Between Butterfly Valve Cv vs. percent open?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Hubungan antara <strong>Cv katup kupu-kupu dan persentase bukaan<\/strong> is not linear. At low opening angles, below 20 degrees, Cv stays very low.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Between 30 and 70 degrees, Cv increases sharply with each small adjustment. Past 70 degrees, an additional opening adds little extra flow. Between 30 and 70 degrees, the valve exhibits an equal-percentage inherent flow characteristic.\u00a0 This means that Cv increases exponentially with minor angular adjustments.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This curve matters for control valve applications. Operators need fine control in the steep middle range to avoid sudden flow surges.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Factors_That_Affect_the_CV_Value\"><\/span><strong>Factors That Affect the CV Value<\/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=\"Factors That Affect the CV Value\" 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\">Several factors influence the final CV rating of a butterfly valve. Valve size has the largest impact, since larger bores pass more fluid.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Disc design also matters. Eccentric discs often reach a higher Cv than concentric designs at the same nominal size.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Seat material and liner thickness can reduce the effective flow area slightly. Body style, such as wafer, lug, or flanged, has a smaller but measurable effect on Cv.<\/p>\n\n\n\n\n<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n  <title>Sorotan Produk Hero<\/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\/ms\/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=\"Injap Rama-rama\">\n  <div class=\"hero-content\">\n    <div class=\"hero-title\">\ud83d\udee0 Injap Rama-rama<\/div>\n    <div class=\"hero-description\">Injap rama-rama kejuruteraan ketepatan untuk kawalan aliran yang cekap dalam pelbagai aplikasi perindustrian. Prestasi yang boleh dipercayai untuk kedua-dua sistem tekanan tinggi dan rendah.<\/div>\n    <span class=\"hero-link\">Terokai Produk<\/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>Why CV Matters for B2B Procurement<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Comparing the <strong>butterfly valve Cv factor<\/strong> across suppliers helps buyers avoid mismatched specifications. A valve with insufficient Cv creates an excess pressure drop and wastes pump energy.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">An oversized valve may offer poor control at low flow rates. Requesting a <strong>butterfly valve Cv factor chart<\/strong> and test data during the quotation stage protects your project timeline and budget.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span><strong>Kesimpulan<\/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=\"Mencocokkan CV, memastikan efisiensi energi dan stabilitas hidrolik pipa yang optimal.\" 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\">Memahami <strong>butterfly valve flow rate calculation<\/strong> helps you select valves that match your system\u2019s flow and pressure needs. Xintai Valve has an online <strong>butterfly valve flow rate calculation<\/strong> tool to help calculate valve sizing.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Xintai Valves also manufactures butterfly valves tested to ISO 9001, <a href=\"https:\/\/www.xintaivalves.com\/ms\/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>, and EN 593 standards. Our factory holds CE and API certifications and exports to more than 60 countries.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.xintaivalves.com\/ms\/contact\/\" target=\"_blank\" rel=\"noreferrer noopener\">Contact Xintai Valves\u2019 technical team<\/a> untuk sebuah <strong>faktor Cv katup kupu-kupu PDF<\/strong> sesuai dengan persyaratan proyek Anda.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Frequently_Asked_Questions_FAQs\"><\/span><strong>Frequently Asked Questions (FAQs)<\/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. What is a good Cv value for a butterfly valve?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">CV ideal tergantung pada laju aliran sistem Anda dan penurunan tekanan yang diizinkan. Hitung Cv yang diperlukan dari data proses Anda, lalu cocokkan dengan ukuran katup dari tabel produsen.<\/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. How do I find the Cv factor table for my valve size?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Minta <strong>tabel faktor CV katup kupu-kupu<\/strong> atau PDF langsung dari produsen. Xintai Valves menyertakan lembar data ini dengan setiap pertanyaan produk.<\/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. Does CV change with the valve material?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Bahan badan dan cakram memiliki efek langsung yang minimal pada Cv. Namun, ketebalan liner pada katup berlapis PTFE dapat sedikit mengurangi area aliran. Misalnya, katup kupu-kupu konsentris dengan liner elastomer atau PTFE yang tebal mengurangi diameter internal nominal sebesar 2\u20135%. Ini menurunkan Cv aktual dibandingkan dengan katup tanpa lapisan.<\/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>Bisakah saya memperkirakan aliran tanpa kalkulator?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ya. Gunakan rumus yang disusun ulang Q = Cv x akar kuadrat dari (dP \/ SG) untuk perkiraan manual yang cepat. Namun, berhati-hatilah saat memberikan perkiraan. Ketidakakuratan kecil dapat sangat memengaruhi efisiensi proyek Anda.<\/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\/ms\/contact\/\" style=\"font-style:normal;font-weight:500\" target=\"_blank\" rel=\"noreferrer noopener\">Dapatkan Sebut Harga<\/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\/ms\/wp-json\/wp\/v2\/posts\/15745","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xintaivalves.com\/ms\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xintaivalves.com\/ms\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/ms\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/ms\/wp-json\/wp\/v2\/comments?post=15745"}],"version-history":[{"count":3,"href":"https:\/\/www.xintaivalves.com\/ms\/wp-json\/wp\/v2\/posts\/15745\/revisions"}],"predecessor-version":[{"id":15753,"href":"https:\/\/www.xintaivalves.com\/ms\/wp-json\/wp\/v2\/posts\/15745\/revisions\/15753"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/ms\/wp-json\/wp\/v2\/media\/15746"}],"wp:attachment":[{"href":"https:\/\/www.xintaivalves.com\/ms\/wp-json\/wp\/v2\/media?parent=15745"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xintaivalves.com\/ms\/wp-json\/wp\/v2\/categories?post=15745"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xintaivalves.com\/ms\/wp-json\/wp\/v2\/tags?post=15745"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}