{"id":15729,"date":"2026-06-09T08:38:00","date_gmt":"2026-06-09T00:38:00","guid":{"rendered":"https:\/\/www.xintaivalves.com\/?p=15729"},"modified":"2026-06-25T12:32:28","modified_gmt":"2026-06-25T04:32:28","slug":"how-to-choose-butterfly-valve","status":"publish","type":"post","link":"https:\/\/www.xintaivalves.com\/ms\/blog\/butterfly-valve\/how-to-choose-butterfly-valve\/","title":{"rendered":"Panduan Pemilihan Injap Rama-rama: Cara Memilih Injap Rama-rama yang Tepat"},"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\/how-to-choose-butterfly-valve\/#What_are_the_Components_of_a_Butterfly_Valve\" >What are the Components of a Butterfly Valve?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.xintaivalves.com\/ms\/blog\/butterfly-valve\/how-to-choose-butterfly-valve\/#Butterfly_Valve_Types_by_Body_and_Connection_Style\" >Butterfly Valve Types by Body and Connection Style<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.xintaivalves.com\/ms\/blog\/butterfly-valve\/how-to-choose-butterfly-valve\/#Wafer_Butterfly_Valve\" >Injap Rama-rama Wafer<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.xintaivalves.com\/ms\/blog\/butterfly-valve\/how-to-choose-butterfly-valve\/#Flanged_Butterfly_Valve\" >Injap Rama-Rama Bebibir<\/a><\/li><\/ul><\/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\/how-to-choose-butterfly-valve\/#Butterfly_Valve_Seat_Types_and_Seat_Material_Compatibility_Chart\" >Butterfly Valve Seat Types and Seat Material Compatibility Chart<\/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\/how-to-choose-butterfly-valve\/#Five_Key_Influences_for_Right_Butterfly_Valve_Selection\" >Five Key Influences for Right Butterfly Valve Selection<\/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\/how-to-choose-butterfly-valve\/#How_to_Match_Butterfly_Valve_Specifications_to_Your_Industry\" >How to Match Butterfly Valve Specifications to Your Industry\u00a0<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.xintaivalves.com\/ms\/blog\/butterfly-valve\/how-to-choose-butterfly-valve\/#Oil_and_Gas\" >Minyak dan gas<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.xintaivalves.com\/ms\/blog\/butterfly-valve\/how-to-choose-butterfly-valve\/#Water_Treatment\" >Rawatan air<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.xintaivalves.com\/ms\/blog\/butterfly-valve\/how-to-choose-butterfly-valve\/#Chemical_Processing\" >Pemprosesan Kimia<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.xintaivalves.com\/ms\/blog\/butterfly-valve\/how-to-choose-butterfly-valve\/#Food_and_Beverage\" >Makanan dan minuman<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.xintaivalves.com\/ms\/blog\/butterfly-valve\/how-to-choose-butterfly-valve\/#HVAC_and_Building_Services\" >HVAC dan Perkhidmatan Bangunan<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.xintaivalves.com\/ms\/blog\/butterfly-valve\/how-to-choose-butterfly-valve\/#Conclusion\" >Kesimpulan<\/a><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\">Butterfly valves are quarter-turn valves widely utilized in <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> aplikasi perindustrian.\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">There are six criteria to be taken into account while selecting an appropriate valve for your project. Being a procurement engineer, you need to assess fluid type, pressure\/temperature, valve application, valve dimensions, compatibility with materials, and valve operation method.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">ini <a href=\"https:\/\/www.xintaivalves.com\/ms\/collection\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>butterfly valve selection guide<\/strong><\/a> gives procurement managers and engineers a clear framework. It covers valve parts, connection types, seat materials, and operating conditions.\u00a0\u00a0<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_are_the_Components_of_a_Butterfly_Valve\"><\/span><strong>What are the Components of a Butterfly Valve?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Each type of butterfly valve has the same five core components. Knowing the different <a href=\"https:\/\/www.xintaivalves.com\/ms\/butterfly-valve-collection\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>butterfly valve parts<\/strong><\/a> prevents specification errors and costly repairs or replacements.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Study the diagram below to help you understand how the different components work:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"512\" src=\"https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724754-1024x512.webp\" alt=\"SUMMARY OF BUTTERFLY VALVE COMPONENTS\" class=\"wp-image-15731\" style=\"width:604px;height:auto\" srcset=\"https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724754-1024x512.webp 1024w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724754-300x150.webp 300w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724754-768x384.webp 768w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724754-18x9.webp 18w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724754.webp 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Butterfly_Valve_Types_by_Body_and_Connection_Style\"><\/span><strong>Butterfly Valve Types by Body and Connection Style<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Connection style determines how the valve mounts to your pipeline. It also affects maintenance access and pressure capability.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">There are three standard body types, plus two high-performance eccentric designs for demanding service.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Wafer_Butterfly_Valve\"><\/span><strong>Injap Rama-rama Wafer<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" width=\"299\" height=\"484\" src=\"https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724755.webp\" alt=\"\" class=\"wp-image-15732\" style=\"width:148px;height:auto\" srcset=\"https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724755.webp 299w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724755-185x300.webp 185w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724755-7x12.webp 7w\" sizes=\"(max-width: 299px) 100vw, 299px\" \/><figcaption class=\"wp-element-caption\"><strong>Injap Rama-rama Lug<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">The <a href=\"https:\/\/www.xintaivalves.com\/ms\/products\/centerline-wafer-type-butterfly-valve\/\" target=\"_blank\" rel=\"noreferrer noopener\">injap rama-rama wafer<\/a> dua bebibir paip diapit. Bolt mengapitnya di tempat.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ia adalah reka bentuk yang paling ringan dan paling kos efektif. Terbaik untuk <a href=\"https:\/\/www.xintaivalves.com\/ms\/blog\/valves-for-water-treatment\/\" target=\"_blank\" data-type=\"link\" data-id=\"https:\/\/www.xintaivalves.com\/blog\/valves-for-water-treatment\/\" rel=\"noreferrer noopener\">rawatan air<\/a>, pemprosesan makanan, dan talian pemindahan kimia. Walau bagaimanapun, ia tidak sesuai untuk perkhidmatan hujung mati. Kedua-dua bebibir mesti kekal di tempatnya.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Jenis injap ini juga dirujuk sebagai <strong>Injap BF<\/strong>. \u201cBF\u201d adalah singkatan untuk \u201cButterfly.\u201d Walau bagaimanapun, pengeluar yang berbeza mempunyai makna yang berbeza bergantung pada konteks industri mereka.\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Injap rama-rama lug mempunyai sisipan berulir dalam badan injap yang menerima bolt dari setiap bebibir secara bebas. Ini membolehkan penyingkiran paip hiliran tanpa mengganggu injap.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Injap lug digunakan di mana akses penyelenggaraan kerap atau di mana pengasingan hujung mati diperlukan.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Flanged_Butterfly_Valve\"><\/span><strong>Injap Rama-Rama Bebibir<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Injap rama-rama berbibir mempunyai bebibir integral yang bolt terus ke bebibir paip yang sepadan. Reka bentuk ini mengendalikan penarafan tekanan dan suhu yang lebih tinggi.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Reka bentuk ini lebih disukai untuk kilang penapisan, saluran paip petrokimia, dan proses industri kitaran tinggi.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Reka Bentuk Dwi-Eksentrik dan Tri-Eksentrik<\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" width=\"300\" height=\"489\" src=\"https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724756.webp\" alt=\"\" class=\"wp-image-15733\" style=\"aspect-ratio:0.6135250599145566;width:169px;height:auto\" srcset=\"https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724756.webp 300w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724756-184x300.webp 184w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724756-7x12.webp 7w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><figcaption class=\"wp-element-caption\">Injap Rama-rama Sipi Berganda<\/figcaption><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">Injap dwi-eksentrik (dwi-sesaran) mengurangkan haus tempat duduk dan sesuai untuk pendikit pada tekanan sehingga Kelas 300.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Injap tri-eksentrik menggunakan pengedap logam-ke-logam. Ia mengendalikan stim, gas asap, dan media kasar pada suhu sehingga 600\u00b0C. Injap ini sejajar dengan <strong>jenis tempat duduk injap rama-rama<\/strong> yang memerlukan tempat duduk aloi muka keras berbanding bahan elastomer.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Butterfly_Valve_Seat_Types_and_Seat_Material_Compatibility_Chart\"><\/span><strong>Butterfly Valve Seat Types and Seat Material Compatibility Chart<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Tempat duduk mencipta pengedap utama antara cakera dan badan injap. Bahan tempat duduk yang salah menyebabkan kegagalan awal, kebocoran, atau pencemaran kimia.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Lima bahan dudukan mencakup sebagian besar aplikasi industri. Masing-masing memiliki batas suhu dan profil kompatibilitas kimia yang ditentukan.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">ini <strong>bagan kompatibilitas bahan dudukan katup kupu-kupu<\/strong> adalah titik awal. Untuk asam pekat atau layanan media campuran, minta tinjauan kompatibilitas material dari pemasok katup Anda.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Bagan Kompatibilitas Bahan Dudukan Katup Kupu-Kupu<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Seat Material<\/strong><\/td><td><strong>Kadar suhu<\/strong><\/td><td><strong>Media yang Kompatibel<\/strong><\/td><td><strong>Hindari<\/strong><\/td><td><strong>Kelas Tekanan<\/strong><\/td><\/tr><tr><td><strong>EPDM<\/strong><\/td><td>-20\u00b0C hingga +120\u00b0C<\/td><td>Air, uap, bahan kimia ringan<\/td><td>Minyak, pelarut<\/td><td>PN10\u2013PN16<\/td><\/tr><tr><td><strong>NBR (Nitrile)<\/strong><\/td><td>-20\u00b0C hingga +80\u00b0C<\/td><td>Minyak, gas, bahan bakar<\/td><td>Asam, ozon<\/td><td>PN10\u2013PN16<\/td><\/tr><tr><td><strong>PTFE<\/strong><\/td><td><strong>-40\u00b0C hingga +180\u00b0C<\/strong><\/td><td><strong>Bahan kimia, asam, media korosif<\/strong><\/td><td>Abrasives<\/td><td>PN10\u2013PN25<\/td><\/tr><tr><td><strong>Viton (FKM)<\/strong><\/td><td>-20\u00b0C to +200\u00b0C<\/td><td>Solvents, acids, high-temp fluids<\/td><td>Ketones<\/td><td>PN10\u2013PN25<\/td><\/tr><tr><td><strong>Metal (Stainless \/ Alloy)<\/strong><\/td><td>Up to +600\u00b0C<\/td><td>Steam, high-temp gas, abrasive slurries<\/td><td>\u2014<\/td><td>Kelas 150\u2013600<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>PTFE seat temperature range<\/strong>: -40\u00b0C to +180\u00b0C (356\u00b0F). PTFE resists virtually all acids, solvents, and corrosive chemicals. It is the standard choice for chemical processing and high-purity pharmaceutical lines.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">EPDM is the workhorse seat for water and steam service up to 120\u00b0C. NBR handles hydrocarbon media well but degrades quickly in acid or ozone exposure.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Viton (FKM) extends the working ceiling to 200\u00b0C. Use it for hot solvents and aggressive chemical service where PTFE seat limitations apply.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Metal seats (stainless or Stellite-overlay alloy) are specified for triple-eccentric valves in high-temperature steam, power generation, and abrasive slurry lines.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Five_Key_Influences_for_Right_Butterfly_Valve_Selection\"><\/span><strong>Five Key Influences for Right Butterfly Valve Selection<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">If you want your industrial piping system to run efficiently, follow this checklist for all your projects.&nbsp;<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Fluid Characteristics. <\/strong>Identify temperature, pressure, viscosity, and chemical composition. Confirm whether the media contains solids or abrasive particles. These factors set both body material and seat material requirements.<\/li>\n\n\n\n<li><strong>Operating Pressure and Pressure Class. <\/strong>Match the valve pressure rating to the system design pressure. Common ratings: PN10, PN16, PN25, Class 150, and Class 300. Always include a safety margin above peak operating pressure.<\/li>\n\n\n\n<li><strong>Pipeline Size and Flow Rate. <\/strong>Valve bore must match pipe bore. Undersized valves create excessive pressure drop. Oversized valves lose throttling control at low flow.<\/li>\n\n\n\n<li><strong>End Connection Standard. <\/strong>Confirm the flange drilling pattern: ANSI\/ASME B16.5, DIN EN 1092-1, JIS B2220, or BS 4504. Mismatched standards require adapters and create leak points.<\/li>\n\n\n\n<li><strong>Actuation and Control Requirements. <\/strong>High-cycle or remote-controlled lines need pneumatic or electric actuators with ISO 5211 mounting pads and positioners. Low-cycle manual service uses a handwheel or gear operator.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_to_Match_Butterfly_Valve_Specifications_to_Your_Industry\"><\/span><strong>How to Match Butterfly Valve Specifications to Your Industry\u00a0<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"512\" src=\"https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724757-1024x512.webp\" alt=\"Match Butterfly Valve Specifications to Your Industry\" class=\"wp-image-15734\" style=\"width:608px;height:auto\" srcset=\"https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724757-1024x512.webp 1024w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724757-300x150.webp 300w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724757-768x384.webp 768w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724757-18x9.webp 18w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724757.webp 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">There are very big differences in valve specifications depending on which industry you work in. The same valve type may require different seat, disc, or actuator types.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Below are real-world applications of butterfly valves:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Oil_and_Gas\"><\/span><strong>Minyak dan gas<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Specify triple-eccentric or <a href=\"https:\/\/www.xintaivalves.com\/ms\/knowledge-center\/difference-between-double-offset-and-triple-offset-butterfly-valve\/\" target=\"_blank\" data-type=\"link\" data-id=\"https:\/\/www.xintaivalves.com\/knowledge-center\/difference-between-double-offset-and-triple-offset-butterfly-valve\/\" rel=\"noreferrer noopener\">mengimbangi berganda<\/a> valves with metal seats. API 609 compliance is mandatory. Working pressures often reach Class 300 or Class 600.\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">You may be aware of the <strong>XXV valve, <\/strong>which is a safety-critical emergency shutdown valve used in oil &amp; gas, chemical plants, and industrial facilities. The \u201cXXV\u201d designation represents a valve tagging system that clearly reflects function and safety criticality.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Water_Treatment\"><\/span><strong>Rawatan air<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Wafer valves with EPDM seats handle municipal water service. Specify NSF\/ANSI 61 certification for potable water contact. Verify leakage class per EN 12266-1.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Chemical_Processing\"><\/span><strong>Pemprosesan Kimia<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">PTFE-lined or PTFE-seated valves are standard. The <strong>PTFE seat temperature range<\/strong> of -40\u00b0C to +180\u00b0C covers most chemical process lines. Specify a full-bore disc design to eliminate dead legs.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Food_and_Beverage\"><\/span><strong>Makanan dan minuman<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Seat and disc materials must meet FDA 21 CFR or EU 1935\/2004 food-contact compliance. Specify smooth surface finishes (Ra \u2264 0.8 \u03bcm) for CIP\/SIP cleanability.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"HVAC_and_Building_Services\"><\/span><strong>HVAC dan Perkhidmatan Bangunan<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Wafer valves with EPDM seats cover most chilled water and hot water circuits. Select valves rated for PN10 or PN16. Low weight and compact face-to-face dimensions reduce installation cost.<\/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=\"Conclusion\"><\/span><strong>Kesimpulan<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong>butterfly valve selection guide<\/strong> helps engineers and procurement teams match the valve to the system.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Fluid medium, temperature, pressure rating, connection type, and actuation type are the factors that shall determine the valve to be used for your application. All these criteria must be met when buying any valves.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.xintaivalves.com\/ms\/\" target=\"_blank\" rel=\"noreferrer noopener\">Injap Xintai<\/a> manufactures to ISO 9001 quality management standards. Our products carry CE marking and are manufactured to API, ANSI, DIN, JIS, and BS standards. This means Xintai valves fit international pipeline systems without conversion hardware or custom adapters.<\/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>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>Butterfly valves are quarter-turn valves widely utilized in flow control industrial applications.\u00a0 There are six criteria to be taken into account while selecting an appropriate valve for your project. Being a procurement engineer, you need to assess fluid type, pressure\/temperature, valve application, valve dimensions, compatibility with materials, and valve operation method. This butterfly valve selection [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":15730,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-15729","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\/15729","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=15729"}],"version-history":[{"count":1,"href":"https:\/\/www.xintaivalves.com\/ms\/wp-json\/wp\/v2\/posts\/15729\/revisions"}],"predecessor-version":[{"id":15736,"href":"https:\/\/www.xintaivalves.com\/ms\/wp-json\/wp\/v2\/posts\/15729\/revisions\/15736"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/ms\/wp-json\/wp\/v2\/media\/15730"}],"wp:attachment":[{"href":"https:\/\/www.xintaivalves.com\/ms\/wp-json\/wp\/v2\/media?parent=15729"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xintaivalves.com\/ms\/wp-json\/wp\/v2\/categories?post=15729"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xintaivalves.com\/ms\/wp-json\/wp\/v2\/tags?post=15729"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}