{"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\/nl\/blog\/butterfly-valve\/what-butterfly-valve-cv-value-flow-coefficient\/","title":{"rendered":"Wat is de CV-factor van een vlinderklep en waarom is deze relevant?"},"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\">Inhoudsopgave<\/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=\"Schakel tabel met inhoud in\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Schakelaar<\/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\/nl\/blog\/butterfly-valve\/what-butterfly-valve-cv-value-flow-coefficient\/#How_Do_You_Use_the_Butterfly_Valve_CV_Factor_Formula\" >Hoe gebruik je de CV-factorformule voor vlinderkleppen?<\/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\/nl\/blog\/butterfly-valve\/what-butterfly-valve-cv-value-flow-coefficient\/#Key_Reasons_Why_CV_Calculation_Matters\" >Belangrijke redenen waarom CV-berekening ertoe doet<\/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\/nl\/blog\/butterfly-valve\/what-butterfly-valve-cv-value-flow-coefficient\/#What_is_the_Relationship_Between_Butterfly_Valve_Cv_vs_percent_open\" >Wat is de relatie tussen vlinderklep CV versus procent 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\/nl\/blog\/butterfly-valve\/what-butterfly-valve-cv-value-flow-coefficient\/#Factors_That_Affect_the_CV_Value\" >Factoren die de CV-waarde be\u00efnvloeden<\/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\/nl\/blog\/butterfly-valve\/what-butterfly-valve-cv-value-flow-coefficient\/#Why_CV_Matters_for_B2B_Procurement\" >Waarom CV ertoe doet voor B2B-inkoop<\/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\/nl\/blog\/butterfly-valve\/what-butterfly-valve-cv-value-flow-coefficient\/#Conclusion\" >Conclusie<\/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\/nl\/blog\/butterfly-valve\/what-butterfly-valve-cv-value-flow-coefficient\/#Frequently_Asked_Questions_FAQs\" >Veelgestelde vragen (FAQ's)<\/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\/nl\/blog\/butterfly-valve\/what-butterfly-valve-cv-value-flow-coefficient\/#1_What_is_a_good_Cv_value_for_a_butterfly_valve\" >1. Wat is een goede Cv-waarde voor een vlinderklep?<\/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\/nl\/blog\/butterfly-valve\/what-butterfly-valve-cv-value-flow-coefficient\/#2_How_do_I_find_the_Cv_factor_table_for_my_valve_size\" >2. Hoe vind ik de Cv-factortabel voor mijn klepgrootte?<\/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\/nl\/blog\/butterfly-valve\/what-butterfly-valve-cv-value-flow-coefficient\/#3_Does_CV_change_with_the_valve_material\" >3. Verandert CV met het klepmateriaal?<\/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\/nl\/blog\/butterfly-valve\/what-butterfly-valve-cv-value-flow-coefficient\/#4_Can_I_estimate_flow_without_a_calculator\" >4. Kan ik de stroming schatten zonder rekenmachine?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\">De <strong>vlinderklep CV-factor <\/strong>is een gestandaardiseerde maat voor zijn stromingscapaciteit. Het vertelt u hoeveel vloeistof een klep doorlaat bij een bepaalde drukval. De CV-waarde of <a href=\"https:\/\/www.xintaivalves.com\/nl\/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\">stromingsco\u00ebffici\u00ebnt<\/a> wordt berekend in Amerikaanse gallons per minuut en passeert door een klep bij een drukval van 1 psi.\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ingenieurs gebruiken de <strong>vlinderklep debietberekening <\/strong>om de juiste klepgrootte te kiezen. Inkoopteams vergelijken deze specificatie tussen leveranciers voordat ze bestellingen plaatsen.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Een verkeerde CV-keuze kan leiden tot slechte <a href=\"https:\/\/www.xintaivalves.com\/nl\/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\">stroomregeling<\/a> of verspilde pompenergie. Deze gids legt de formule uit, <strong>vlinderklep Cv-tabel<\/strong>, en tabellen die u nodig hebt voor een nauwkeurige selectie.<\/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>Hoe gebruik je de CV-factorformule voor vlinderkleppen?<\/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=\"Butterfly Valve CV Factor Formula\" 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\">Het berekenen van de <strong>vlinderklep Cv-factor<\/strong> is cruciaal. Het bepaalt direct of uw klep correct zal presteren in uw chemische fabriek of industrieel systeem.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dit helpt ingenieurs bij het correct dimensioneren van pompen en het selecteren van leidingdiameters. Veel leveranciers bieden gratis online <strong>vlinderklep drukval calculators<\/strong> of spreadsheettools voor dit doel.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hier is de standaardformule die wordt gebruikt om Cv voor vloeistofstroming te berekenen:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">De basis <strong>vlinderklep Cv-factor formule<\/strong> is <em>Cv = Q x vierkantswortel van (SG \/ dP<\/em>).&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Q staat voor de volumestroom in gallons per minuut. SG is de soortelijke massa van de vloeistof, waarbij water gelijk is aan 1.<\/li>\n\n\n\n<li>dP is de drukval over de klep in psi. Als water bijvoorbeeld met 100 GPM stroomt met een drukval van 4 psi, is Cv gelijk aan 50.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Metrische systemen gebruiken vaak Kv in plaats van Cv. Kv is ruwweg gelijk aan 0,865 maal Cv voor dezelfde klep.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Key_Reasons_Why_CV_Calculation_Matters\"><\/span><strong>Belangrijke redenen waarom CV-berekening ertoe doet<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Correcte Klepafmeting <\/strong>\u2013 Dit is de meest kritische factor bij het bepalen van de doorstroomcapaciteit. CV is de ruggengraat van <a href=\"https:\/\/www.xintaivalves.com\/nl\/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\">klepafmeting<\/a> berekeningen. De juiste klepafmeting zorgt voor voldoende doorstroming zonder de klep te groot of te klein te maken.\u00a0<\/li>\n\n\n\n<li><strong>Voorkomt Prestatieproblemen <\/strong>\u2013 Hieronder staat een tabel die de problemen en hun oorzaken samenvat:<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Probleem<\/strong><\/td><td><strong>Als CV te laag is<\/strong><\/td><td><strong>Als CV te hoog is<\/strong><\/td><\/tr><tr><td><strong>Stroomsnelheid<\/strong><\/td><td>Verminderde doorstromingssnelheden<\/td><td>\u2014<\/td><\/tr><tr><td><strong>Drukdaling<\/strong><\/td><td>Overmatige drukval<\/td><td>\u2014<\/td><\/tr><tr><td><strong>Energie<\/strong><\/td><td>Verhoogd energieverbruik van de pomp<\/td><td>Verhoogd energieverbruik.<\/td><\/tr><tr><td><strong>Controle<\/strong><\/td><td>\u2014<\/td><td>Poor flow control &amp; instability.<\/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>Wat is de relatie tussen vlinderklep CV versus procent open?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The relationship between the <strong>vlinderklep Cv en procent open<\/strong> is niet lineair. Bij lage openingshoeken, onder de 20 graden, blijft Cv erg laag.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tussen 30 en 70 graden neemt Cv scherp toe bij elke kleine aanpassing. Na 70 graden voegt een extra opening weinig extra stroming toe. Tussen 30 en 70 graden vertoont de klep een inherente stromingskarakteristiek met een gelijk percentage. Dit betekent dat Cv exponentieel toeneemt bij kleine hoekaanpassingen.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Deze curve is belangrijk voor regelklepapplicaties. Operators hebben fijne controle nodig in het steile middengedeelte om plotselinge stromingspieken te voorkomen.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Factors_That_Affect_the_CV_Value\"><\/span><strong>Factoren die de CV-waarde be\u00efnvloeden<\/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=\"Factoren die de CV-waarde be\u00efnvloeden\" 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\">Verschillende factoren be\u00efnvloeden de uiteindelijke Cv-waarde van een vlinderklep. De klepgrootte heeft de grootste impact, aangezien grotere boringen meer vloeistof doorlaten.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Schijfontwerp is ook belangrijk. Excentrische schijven bereiken vaak een hogere Cv dan concentrische ontwerpen van dezelfde nominale grootte.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Zittingmateriaal en voeringdikte kunnen het effectieve stromingsgebied enigszins verminderen. De lichaamsstijl, zoals wafer, lug of flens, heeft een kleiner maar meetbaar effect op Cv.<\/p>\n\n\n\n\n<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n  <title>Hero-product in de schijnwerpers<\/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\/nl\/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=\"Vlinderklep\">\n  <div class=\"hero-content\">\n    <div class=\"hero-title\">\ud83d\udee0 Vlinderklep<\/div>\n    <div class=\"hero-description\">Precisie-ontworpen vlinderklep voor effici\u00ebnte debietregeling in diverse industri\u00eble toepassingen. Betrouwbare prestaties voor zowel hoge- als lagedruksystemen.<\/div>\n    <span class=\"hero-link\">Product verkennen<\/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>Waarom CV ertoe doet voor B2B-inkoop<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Het vergelijken van de <strong>vlinderklep Cv-factor<\/strong> bij leveranciers helpt kopers om verkeerde specificaties te voorkomen. Een klep met onvoldoende Cv veroorzaakt een te grote drukval en verspilt pompenergie.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Een te grote klep kan een slechte regeling bieden bij lage stromingssnelheden. Het aanvragen van een <strong>vlinderklep Cv-factor grafiek<\/strong> en testgegevens tijdens de offertefase beschermt uw projecttijdlijn en budget.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span><strong>Conclusie<\/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=\"Matching CV, ensures energy efficiency and optimal pipeline hydraulic stability.\" 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\">Begrijpen van de <strong>vlinderklep debietberekening<\/strong> helpt u bij het selecteren van kleppen die voldoen aan de stromings- en drukbehoeften van uw systeem. Xintai Valve heeft een online <strong>vlinderklep debietberekening<\/strong> tool om te helpen bij het berekenen van de klepgrootte.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Xintai Valves produceert ook vlinderkleppen die getest zijn volgens ISO 9001, <a href=\"https:\/\/www.xintaivalves.com\/nl\/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>, en EN 593 normen. Onze fabriek beschikt over CE- en API-certificeringen en exporteert naar meer dan 60 landen.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.xintaivalves.com\/nl\/contact\/\" target=\"_blank\" rel=\"noreferrer noopener\">Contact Xintai Valves\u2019 technical team<\/a> for a <strong>butterfly valve Cv factor PDF<\/strong> matched to your project requirements.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Frequently_Asked_Questions_FAQs\"><\/span><strong>Veelgestelde vragen (FAQ's)<\/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. Wat is een goede Cv-waarde voor een vlinderklep?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The ideal CV depends on your system\u2019s flow rate and allowable pressure drop. Calculate the required Cv from your process data, then match it to a valve size from the manufacturer\u2019s table.<\/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. Hoe vind ik de Cv-factortabel voor mijn klepgrootte?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Request the <strong>butterfly valve CV factor table<\/strong> or PDF directly from the manufacturer. Xintai Valves includes this data sheet with each product inquiry.<\/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. Verandert CV met het klepmateriaal?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Body and disc material have minimal direct effect on Cv. However, liner thickness in PTFE-lined valves can slightly reduce the flow area. For example, concentric butterfly valves with thick elastomer or PTFE liners reduce the nominal internal diameter by 2\u20135%. This lowers the actual Cv compared to an unlined valve.<\/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>Can I estimate flow without a calculator?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Yes. Use the rearranged formula Q = Cv x square root of (dP \/ SG) for a quick manual estimate. However, be careful when providing an estimate. A slight inaccuracy may greatly affect your project\u2019s efficiency.<\/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\/nl\/contact\/\" style=\"font-style:normal;font-weight:500\" target=\"_blank\" rel=\"noreferrer noopener\">Offerte aanvragen<\/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\/nl\/wp-json\/wp\/v2\/posts\/15745","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xintaivalves.com\/nl\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xintaivalves.com\/nl\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/nl\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/nl\/wp-json\/wp\/v2\/comments?post=15745"}],"version-history":[{"count":3,"href":"https:\/\/www.xintaivalves.com\/nl\/wp-json\/wp\/v2\/posts\/15745\/revisions"}],"predecessor-version":[{"id":15753,"href":"https:\/\/www.xintaivalves.com\/nl\/wp-json\/wp\/v2\/posts\/15745\/revisions\/15753"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/nl\/wp-json\/wp\/v2\/media\/15746"}],"wp:attachment":[{"href":"https:\/\/www.xintaivalves.com\/nl\/wp-json\/wp\/v2\/media?parent=15745"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xintaivalves.com\/nl\/wp-json\/wp\/v2\/categories?post=15745"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xintaivalves.com\/nl\/wp-json\/wp\/v2\/tags?post=15745"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}