{"id":15187,"date":"2026-05-11T09:00:48","date_gmt":"2026-05-11T01:00:48","guid":{"rendered":"https:\/\/www.xintaivalves.com\/?p=15187"},"modified":"2026-05-15T09:01:15","modified_gmt":"2026-05-15T01:01:15","slug":"how-butterfly-valves-work","status":"publish","type":"post","link":"https:\/\/www.xintaivalves.com\/ms\/blog\/butterfly-valve\/how-butterfly-valves-work\/","title":{"rendered":"Memahami Kawalan Aliran Industri: Bagaimana Injap Rama-rama Berfungsi?"},"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-butterfly-valves-work\/#Primary_Butterfly_Valve_Components_and_Functions\" >Komponen dan Fungsi Utama Katup Kupu-Kupu<\/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-butterfly-valves-work\/#The_Basic_Principle_How_Does_a_Butterfly_Valve_Work\" >Prinsip Dasar: Bagaimana Cara Kerja Katup Kupu-Kupu?<\/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-butterfly-valves-work\/#1_Closed_Position\" >1. Posisi Tertutup<\/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-butterfly-valves-work\/#2_Open_Position\" >2. Posisi Terbuka<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.xintaivalves.com\/ms\/blog\/butterfly-valve\/how-butterfly-valves-work\/#3_Throttling_Flow_Regulation\" >3. Pengaturan \/ Regulasi Aliran<\/a><\/li><\/ul><\/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-butterfly-valves-work\/#Three_Main_Butterfly_Valve_Design_Types\" >Tiga Jenis Desain Utama Katup Kupu-Kupu<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.xintaivalves.com\/ms\/blog\/butterfly-valve\/how-butterfly-valves-work\/#Concentric_Zero-Offset_Butterfly_Valve\" >Katup Kupu-Kupu Konsentris (Zero-Offset)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.xintaivalves.com\/ms\/blog\/butterfly-valve\/how-butterfly-valves-work\/#Double_Offset_High-Performance_Butterfly_Valve\" >Katup Kupu-Kupu Offset Ganda (Kinerja Tinggi)<\/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-butterfly-valves-work\/#How_Does_a_Triple_Offset_Butterfly_Valve_Work\" >Bagaimana Cara Kerja Katup Kupu-Kupu Offset Tiga Kali?<\/a><\/li><\/ul><\/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\/how-butterfly-valves-work\/#Industrial_Applications_by_Valve_Type\" >Aplikasi Industri Berdasarkan Jenis Katup<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.xintaivalves.com\/ms\/blog\/butterfly-valve\/how-butterfly-valves-work\/#Conclusion\" >Kesimpulan<\/a><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\">Di pabrik industri dan fasilitas pemrosesan, katup kupu-kupu digunakan karena ukurannya yang ringkas dan operasinya yang sederhana. Operasinya sederhana. Katup mengelola aliran fluida dengan memutar cakram melingkar di dalam lubang pipa.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Jadi, <a href=\"https:\/\/www.xintaivalves.com\/ms\/butterfly-valve-collection\/\" target=\"_blank\" rel=\"noreferrer noopener\">bagaimana cara kerja katup kupu-kupu<\/a> dalam aplikasi dunia nyata?&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ketika operator memutar batang 90 derajat, cakram berputar ke posisi tegak lurus untuk memblokir aliran. Memutarnya kembali ke nol derajat atau sejajar dengan aliran mengembalikannya ke posisi terbuka penuh.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tindakan putaran seperempat yang cepat ini <a href=\"https:\/\/www.xintaivalves.com\/ms\/blog\/how-gear-operated-valves-work\/\" target=\"_blank\" data-type=\"link\" data-id=\"https:\/\/www.xintaivalves.com\/blog\/how-gear-operated-valves-work\/\" rel=\"noreferrer noopener\">membolehkan pengendali menghentikan, memulakan, atau mengawal aliran. Injap rama-rama boleh digunakan merentasi pelbagai media seperti talian air, stim, minyak, dan kimia.<\/a> Untuk membantu anda memilih perkakasan yang betul untuk sistem anda, panduan ini meneroka prinsip operasi teras,.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">komponen injap rama-rama penting <strong>, variasi reka bentuk, dan kes penggunaan industri khusus.<\/strong>, Sebagai jurutera atau pengendali industri, adalah penting untuk memahami.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Primary_Butterfly_Valve_Components_and_Functions\"><\/span>Komponen dan Fungsi Utama Katup Kupu-Kupu<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">bahagian injap rama-rama. <strong>Ini membantu melancarkan penyelenggaraan dan perolehan. <\/strong>Bahagian berikut memperincikan.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">penting <strong>, variasi reka bentuk, dan kes penggunaan industri khusus.<\/strong> dan peranan khusus mereka dalam kawalan aliran:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Badan Injap:<\/strong> Struktur utama yang sesuai di antara bebibir paip. Gaya biasa termasuk badan wafer, lug, dan bebibir.<\/li>\n\n\n\n<li><strong>Cakera:<\/strong> Selalunya dirujuk sebagai \u201crama-rama.\u201d Komponen ini menghalang aliran.<\/li>\n\n\n\n<li><strong>Batang:<\/strong> aci connects the internal disc to the external actuator. It must be made of high-strength alloys like SS316 or 17-4 PH to resist torque.<\/li>\n\n\n\n<li><strong>The Seat:<\/strong> This provides the seal between the disc and the body. Seats can be resilient (rubber\/PTFE) or metallic.<\/li>\n\n\n\n<li><strong>The Actuator:<\/strong> This provides the force to turn the stem, which can be manual, pneumatic, or electric.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">These <strong>, variasi reka bentuk, dan kes penggunaan industri khusus.<\/strong> must meet international standards such as <strong>API 609<\/strong> atau <strong><a href=\"https:\/\/www.xintaivalves.com\/ms\/blog\/standard\/understanding-asme-b16-34-valve-standard\/\" target=\"_blank\" data-type=\"link\" data-id=\"https:\/\/www.xintaivalves.com\/blog\/standard\/understanding-asme-b16-34-valve-standard\/\" rel=\"noreferrer noopener\">ASME B16.34<\/a><\/strong> to ensure safety in industrial plants.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_Basic_Principle_How_Does_a_Butterfly_Valve_Work\"><\/span>Prinsip Dasar: Bagaimana Cara Kerja Katup Kupu-Kupu?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"512\" src=\"https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/05\/The-Basic-Principle-How-Does-a-Butterfly-Valve-Work-1-1024x512.webp\" alt=\"Bagaimana injap rama-rama gelongsor berfungsi dalam mengawal aliran bendalir?\" class=\"wp-image-15190\" srcset=\"https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/05\/The-Basic-Principle-How-Does-a-Butterfly-Valve-Work-1-1024x512.webp 1024w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/05\/The-Basic-Principle-How-Does-a-Butterfly-Valve-Work-1-300x150.webp 300w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/05\/The-Basic-Principle-How-Does-a-Butterfly-Valve-Work-1-768x384.webp 768w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/05\/The-Basic-Principle-How-Does-a-Butterfly-Valve-Work-1-18x9.webp 18w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/05\/The-Basic-Principle-How-Does-a-Butterfly-Valve-Work-1.webp 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">The operating principle is straightforward. That\u2019s why most industrial operators refer to the <strong>butterfly valve work video <\/strong>to visualize the process. A metal disc is mounted at the center of the pipe on a stem. The stem connects to an actuator outside the valve body.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_Closed_Position\"><\/span>1. Posisi Tertutup<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">When closed, the disc sits perpendicular to the pipe bore. The outer rim presses against the seat while compressing the elastomer or engaging the metal cone. No flow passes through. Shutoff integrity depends on disc-to-seat contact force and seat material grade.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_Open_Position\"><\/span>2. Posisi Terbuka<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The actuator rotates the stem 90\u00b0. The disc now aligns parallel to the flow. Fluid passes around both sides of the disc with minimal restriction. Unlike a gate valve, the disc stays in the flow path, which results in a residual pressure drop.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><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\">Cv values<\/a> (flow coefficients) for a fully open butterfly valve range from approximately 35 to 75 per inch of nominal pipe diameter. This depends on the disc profile and valve type.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Throttling_Flow_Regulation\"><\/span>3. Pengaturan \/ Regulasi Aliran<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Unlike a ball valve, the butterfly valve can open in stages. The disc angle determines the flow rate. In this way, the valve doesn\u2019t release water in a simple, steady way as you open it. It starts with small, precise amounts and increases significantly as you reach the fully open position.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For accurate sizing, use the manufacturer\u2019s Kv\/Cv tables or consult IEC 60534-2-1 for control valve flow calculations.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Three_Main_Butterfly_Valve_Design_Types\"><\/span>Tiga Jenis Desain Utama Katup Kupu-Kupu<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"512\" src=\"https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/05\/Three-Main-Butterfly-Valve-Design-Types-1024x512.webp\" alt=\"Reka bentuk offset geometri injap rama-rama\" class=\"wp-image-15189\" srcset=\"https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/05\/Three-Main-Butterfly-Valve-Design-Types-1024x512.webp 1024w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/05\/Three-Main-Butterfly-Valve-Design-Types-300x150.webp 300w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/05\/Three-Main-Butterfly-Valve-Design-Types-768x384.webp 768w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/05\/Three-Main-Butterfly-Valve-Design-Types-18x9.webp 18w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/05\/Three-Main-Butterfly-Valve-Design-Types.webp 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">All three designs operate on the quarter-turn principle. The differences lie in disc geometry, stem offset, and sealing mechanism.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The table below summarizes the key differences in pressure rating, temperature capability, seat life, and torque:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Parameter<\/strong><\/td><td><strong>Concentric (Zero-Offset)<\/strong><\/td><td><strong>Offset Berganda<\/strong><\/td><td><strong>Triple Offset<\/strong><\/td><\/tr><tr><td>Max. Pressure<\/td><td>~17 bar (250 PSI)<\/td><td>~100 bar (1,440 PSI)<\/td><td>~102 bar (1,480 PSI)<\/td><\/tr><tr><td>Max. Temperature<\/td><td>~200 \u00b0C<\/td><td>~650 \u00b0C<\/td><td>~650 \u00b0C<\/td><\/tr><tr><td>Seat Material<\/td><td>Rubber (EPDM \/ NBR \/ FKM)<\/td><td>Rubber or metal<\/td><td>Metal (laminated or solid)<\/td><\/tr><tr><td>Leakage Class<\/td><td>EN 12266-1 Kelas B<\/td><td>Kelas A atau B<\/td><td>Kelas A (kebocoran nol)<\/td><\/tr><tr><td>Arah Aliran<\/td><td>Dua arah<\/td><td>Arah yang disukai<\/td><td>Hanya searah<\/td><\/tr><tr><td>Standar Khas<\/td><td>AWWA C504, EN 593<\/td><td>API 609 Kategori A<\/td><td>API 609 Kategori B, EN 593<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Bagian berikut mengeksplorasi sorotan dari setiap jenis katup.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Concentric_Zero-Offset_Butterfly_Valve\"><\/span>Katup Kupu-Kupu Konsentris (Zero-Offset)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Katup kupu-kupu konsentris memiliki batang yang berjalan melalui pusat cakram yang tepat. Tepi cakram bersentuhan dengan dudukan karet di seluruh lingkarannya selama setiap siklus buka dan tutup. Gesekan konstan ini membatasi masa pakai dudukan dalam layanan siklus tinggi atau abrasif.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Akibatnya, desain konsentris adalah pilihan yang hemat biaya untuk pasokan air bertekanan rendah dan kontrol fluida umum. Namun, mereka hanya direkomendasikan untuk tekanan di bawah 16 bar (psi).&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Katup konsentris atau nol-offset terbuat dari besi ulet GGG50 dengan lapisan epoksi, atau baja tahan karat 316 untuk media korosif.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sistem air minum memerlukan katup kupu-kupu bersudut karet untuk mematuhi standar AWWA C504.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Double_Offset_High-Performance_Butterfly_Valve\"><\/span>Katup Kupu-Kupu Offset Ganda (Kinerja Tinggi)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Desain offset ganda menciptakan aksi penutupan seperti cam. Cakram terangkat dari dudukan selama 10 derajat pembukaan pertama. Kemudian, ia kembali ke kontak dudukan penuh hanya dalam 10 derajat penutupan terakhir. Tidak ada kontak dudukan selama pergerakan.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ini menghasilkan torsi operasi yang lebih rendah dan masa pakai dudukan yang diperpanjang, yang membuatnya cocok untuk saluran uap, minyak &amp; gas, dan air bertekanan tinggi.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Namun, sangat penting untuk mengikuti arah aliran yang direkomendasikan pabrikan untuk menjaga kinerja penyegelan.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.xintaivalves.com\/ms\/product\/double-eccentric-butterfly-valves\/\" target=\"_blank\" rel=\"noreferrer noopener\">Katup Offset Ganda<\/a> memerlukan API 609 Kategori A dan ASME Pressure Class 150 hingga 600 (PN 10 hingga PN 100).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_Does_a_Triple_Offset_Butterfly_Valve_Work\"><\/span>Bagaimana Cara Kerja Katup Kupu-Kupu Offset Tiga Kali?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Desain offset tiga kali lipat menambahkan offset geometris ketiga: permukaan penyegelan berbentuk kerucut pada cakram dan dudukan.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ketiga offset bekerja sama:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Offset 1:<\/strong> sumbu batang di belakang garis tengah cakram<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Offset 2:<\/strong> sumbu batang menjauh dari garis tengah lubang<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Offset 3:<\/strong> sumbu kontak dudukan cakram dimiringkan ke kerucut sudut siku-siku \u2014 menciptakan segel tanpa gesekan yang tidak bergesekan<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Geometri kerucut berarti cakram dan dudukan hanya bersentuhan pada titik penutupan akhir. Tidak ada gesekan geser sama sekali di sepanjang busur perjalanan. Ini menghilangkan keausan dudukan sepenuhnya.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dalam arah aliran maju (lebih disukai), tekanan saluran bertindak sebagai gaya yang menggerakkan sendiri: tekanan yang lebih tinggi meningkatkan gaya dudukan, mengencangkan penutupan. Pemasangan terbalik meniadakan efek ini dan mengurangi gaya kontak dudukan.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Penyegelan logam-ke-logam mencapai EN 12266-1 Kelas A (tanpa kebocoran) dan memenuhi pengujian API 598. Katup offset tiga kali lipat ditentukan dalam:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Pembangkit listrik,<\/strong> seperti saluran pintas turbin stim, sistem suapan dandang (beroperasi pada 540 \u00b0C \/ 1.000 \u00b0F)<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u00a0<\/strong><strong>Penapisan &amp; petrokimia <\/strong>dengan pengasingan hidrokarbon, perkhidmatan kalis api mengikut API 607<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Terminal LNG<\/strong> dengan perkhidmatan kriogenik sehingga \u2212196 \u00b0C<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Stim bersuhu tinggi<\/strong> dengan kelas tekanan ASME 600 hingga 2500<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Anda juga boleh bertanya, <strong>bagaimana injap rama-rama gelincir berfungsi<\/strong>? Sebenarnya, injap rama-rama tidak benar-benar \u201cgelincir\u201d seperti injap pintu. Pergerakan gelincir atau menyapu dicirikan oleh pergerakan dari terbuka ke tertutup.&nbsp;<\/p>\n\n\n\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    transition: transform 0.2s ease-in-out;\n  }\n\n  .hero-card:hover {\n    transform: translateY(-2px);\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: 0.95rem;\n    color: #555;\n    margin-bottom: 18px;\n    line-height: 1.6;\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: #b30a15;\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\n<a class=\"hero-card\" href=\"https:\/\/chromewebstore.google.com\/detail\/google-docs-image-downloa\/hianihdegmgmncofmgmelljbighbfjcp\" target=\"_blank\" rel=\"noopener nofollow\">\n  <img decoding=\"async\" class=\"hero-image\" src=\"https:\/\/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 KUPU-KUPU SEPI TIGA TIGA\">\n  <div class=\"hero-content\">\n    <div class=\"hero-title\">INJAP KUPU-KUPU SEPI TIGA TIGA<\/div>\n    <div class=\"hero-description\">\n      <strong>Ukuran:<\/strong> 3\u2033~72\u2033 (DN80~DN1800)<br>\n      <strong>Tekanan:<\/strong> CL150 (PN6\uff5ePN25)<br>\n      <strong>Jenis Sambungan:<\/strong> FLG<br>\n      <strong>Standar:<\/strong> ASME B16.34 \/ API-609\n    <\/div>\n    <span class=\"hero-link\">Jelajahi Produk &amp; Solusi<\/span>\n  <\/div>\n<\/a>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Industrial_Applications_by_Valve_Type\"><\/span>Aplikasi Industri Berdasarkan Jenis Katup<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>industri<\/strong><\/td><td><strong>Perkhidmatan Biasa<\/strong><\/td><td><strong>Jenis yang Disyorkan<\/strong><\/td><\/tr><tr><td>Air &amp; Air Kumbahan<\/td><td>Pengasingan aliran, saluran utama DN80\u2013DN2000<\/td><td>Konsentrik, AWWA C504<\/td><\/tr><tr><td>Gas minyak<\/td><td>Saluran proses, pengasingan kalis api<\/td><td>Offset berganda, API 609 Kategori A<\/td><\/tr><tr><td>Penapisan \/ Petrokimia<\/td><td>Hidrokarbon pengasingan, wap suhu tinggi<\/td><td>Tiga offset, API 609 Kategori B \/ API 607<\/td><\/tr><tr><td>Penjanaan Kuasa<\/td><td>Pintasan turbin, suapan dandang pada &gt;540 \u00b0C<\/td><td>Tiga offset, ASME Kelas 600\u20132500<\/td><\/tr><tr><td>Makanan &amp; Minuman<\/td><td>Media higienik, talian serasi CIP<\/td><td>Konsentrik, badan 316 SS, NSF\/ANSI 61<\/td><\/tr><tr><td>Perlombongan \/ Kelodak<\/td><td>Kelodak kasar, pengasingan kitaran tinggi<\/td><td>Tindakan gelongsor atau dwi offset, cakera berlapik<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Kesimpulan<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Injap rama-rama ialah pilihan standard untuk penutupan pantas dalam kebanyakan sistem paip industri. Injap mengawal aliran dengan memutarkan cakera 90\u00b0 di dalam lubang paip. Tindakan suku pusingan ini kritikal, terutamanya dalam situasi penutupan kecemasan.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Terdapat tiga reka bentuk utama injap rama-rama: konsentrik, dwi offset, dan tiga offset. Setiap injap merangkumi kelas tekanan dari PN10 hingga PN250 dan suhu dari \u2212196 \u00b0C hingga 650 \u00b0C. Adalah penting untuk memahami <a href=\"https:\/\/www.xintaivalves.com\/ms\/product\/centerline-wafer-type-butterfly-valve\/\" target=\"_blank\" rel=\"noreferrer noopener\">, variasi reka bentuk, dan kes penggunaan industri khusus.<\/a> untuk membantu anda memilih yang sesuai untuk projek anda.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Xintai Valve mengeluarkan injap rama-rama konsentrik, dwi offset, dan tiga offset mengikut piawaian API 609, EN 593, AWWA C504, dan ISO 5752. Hubungi pasukan kejuruteraan untuk pengiraan saiz khusus aplikasi, pemilihan bahan dan tork penggerak.<\/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 has-custom-width wp-block-button__width-50\"><a class=\"wp-block-button__link has-white-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=\"background-color:#b30a15\" target=\"_blank\" rel=\"noreferrer noopener\">Dapatkan Sebut Harga Percuma<\/a><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>In industrial plants and processing facilities, butterfly valves are deployed for their compact footprint and straightforward operation. The operation is simple. The valve manages fluid flow by rotating a circular disc within the pipe bore. So, how does a butterfly valve work in a real-world application?&nbsp; When an operator turns the stem 90 degrees, the [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":15224,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-15187","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\/15187","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\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/ms\/wp-json\/wp\/v2\/comments?post=15187"}],"version-history":[{"count":4,"href":"https:\/\/www.xintaivalves.com\/ms\/wp-json\/wp\/v2\/posts\/15187\/revisions"}],"predecessor-version":[{"id":15194,"href":"https:\/\/www.xintaivalves.com\/ms\/wp-json\/wp\/v2\/posts\/15187\/revisions\/15194"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/ms\/wp-json\/wp\/v2\/media\/15224"}],"wp:attachment":[{"href":"https:\/\/www.xintaivalves.com\/ms\/wp-json\/wp\/v2\/media?parent=15187"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xintaivalves.com\/ms\/wp-json\/wp\/v2\/categories?post=15187"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xintaivalves.com\/ms\/wp-json\/wp\/v2\/tags?post=15187"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}