{"id":1161,"date":"2025-12-09T07:42:46","date_gmt":"2025-12-09T07:42:46","guid":{"rendered":"https:\/\/www.ykyvalve.com\/?p=1161"},"modified":"2025-12-15T02:10:19","modified_gmt":"2025-12-15T02:10:19","slug":"gate-valve-assembly-parts-guide","status":"publish","type":"post","link":"https:\/\/www.ykyvalve.com\/fr\/blog\/gate-valve\/gate-valve-assembly-parts-guide\/","title":{"rendered":"Pi\u00e8ces d&#039;assemblage de vannes \u00e0 guillotine\u00a0: un guide de r\u00e9f\u00e9rence clair et rapide"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">A <strong>gate valve assembly<\/strong> is a device that opens or closes fluid flow in a pipeline. It works by lifting or lowering a flat gate to control movement through the valve. Knowing the parts of this assembly helps you solve issues early, choose better equipment, and maintain strong system performance.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This guide explains each major part, how the components interact, and what to look for when studying a gate valve assembly drawing. The information is beginner-friendly and practical for daily use.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"655\" src=\"https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/12\/unnamed-26.webp\" alt=\"Detailed cross-section diagram showing the internal components of a gate valve assembly, including the valve body, bonnet, rising stem, wedge gate, and seats.\" class=\"wp-image-1165\" style=\"aspect-ratio:1.8320961325513678;width:813px;height:auto\" srcset=\"https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/12\/unnamed-26.webp 1200w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/12\/unnamed-26-500x273.webp 500w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/12\/unnamed-26-300x164.webp 300w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/12\/unnamed-26-768x419.webp 768w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/12\/unnamed-26-18x10.webp 18w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/12\/unnamed-26-137x75.webp 137w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/12\/unnamed-26-480x262.webp 480w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/12\/unnamed-26-800x437.webp 800w\" sizes=\"auto, (max-width:767px) 480px, (max-width:1200px) 100vw, 1200px\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">What Is a Gate Valve Assembly?<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>It uses a sliding gate to open or close the flow.<\/li>\n\n\n\n<li>It relies on parts such as the body, bonnet, stem, gate, and seats.<\/li>\n\n\n\n<li>It is used for on\/off flow control in many industries.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">To compare other valve types or explore options, see the YKY Valve <a href=\"https:\/\/www.ykyvalve.com\/product\/api-gate-valve\/\" target=\"_blank\" rel=\"noreferrer noopener\">API Gate Valve<\/a> collection for high-demand systems.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Understanding the Core Parts<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">This assembly contains several components that move together to start or stop the flow. Each part has a specific role that affects the valve\u2019s function and service life. For a deeper dive into materials and specifics, you can read our guide on Gate Valve Parts and Structure.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Detailed Functions<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Body \u2013 The Pressure Container<\/strong> The body holds all internal elements and withstands system pressure. Materials such as steel or ductile iron are common for demanding applications.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Bonnet \u2013 The Protective Cover<\/strong> The bonnet closes the top opening of the body. It may use bolts, screws, welds, or pressure-seal designs depending on pressure and temperature limits.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Gate \u2013 The Flow Blocking Component<\/strong> The gate moves in a straight vertical path. When raised, the flow passes through. When lowered, the flow stops. Knife gate designs cut through thick or solid-laden media.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Stem \u2013 The Motion Transfer Shaft<\/strong> The stem connects the handwheel or actuator to the gate. Rising stems (OS&amp;Y) show the open\/closed position, while non-rising stems fit tight or buried installations.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Seat \u2013 The Sealing Surface<\/strong> Seats form the seal between the gate and the body. They may be integral or replaceable. Metal or soft materials are used based on the system\u2019s media.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Packing &amp; Gland \u2013 The Leak Control Set<\/strong> Packing surrounds the stem and prevents leakage. The gland compresses the packing and maintains stem sealing during operation.<\/p>\n\n\n\n<div style=\"font-family: Arial, sans-serif; background: #fff; border: 1px solid #e0e0e0; border-radius: 8px; overflow: hidden; margin-bottom: 40px; box-shadow: 0 2px 8px rgba(0,0,0,0.04);\">\n    \n    <div style=\"overflow-x: auto; -webkit-overflow-scrolling: touch;\">\n        \n        <div style=\"display: grid; grid-template-columns: 25% 45% 30%; min-width: 700px; border-bottom: 3px solid #E65100;\">\n            \n            <div style=\"background: #E65100; padding: 18px 10px; color: #fff; font-weight: 800; text-align: center; display: flex; align-items: center; justify-content: center; text-transform: uppercase; font-size: 14px; letter-spacing: 0.5px;\">\n                Component\n            <\/div>\n            <div style=\"background: #E65100; padding: 18px 10px; color: #fff; font-weight: 800; text-align: center; display: flex; align-items: center; justify-content: center; font-size: 16px; border-left: 1px solid rgba(255,255,255,0.15);\">\n                Primary Function\n            <\/div>\n            <div style=\"background: #E65100; padding: 18px 10px; color: #fff; font-weight: 800; text-align: center; display: flex; align-items: center; justify-content: center; font-size: 16px; border-left: 1px solid rgba(255,255,255,0.15);\">\n                Key Feature\n            <\/div>\n\n            <div style=\"background: #fff8f0; padding: 15px 10px; font-weight: 700; color: #333; display: flex; align-items: center; justify-content: center; border-right: 1px solid #ffccbc; border-bottom: 1px solid #eee; font-size: 15px;\">\n                Body\n            <\/div>\n            <div style=\"background: #fff; padding: 15px 10px; color: #333; display: flex; align-items: center; justify-content: center; border-right: 1px solid #eee; border-bottom: 1px solid #eee; font-size: 15px; font-weight: 400;\">\n                Holds internal parts &#038; withstands pressure\n            <\/div>\n            <div style=\"background: #fff; padding: 15px 10px; color: #333; display: flex; align-items: center; justify-content: center; border-bottom: 1px solid #eee; font-size: 15px; font-weight: 400; text-align: center;\">\n                Main Pressure Boundary\n            <\/div>\n\n            <div style=\"background: #fff8f0; padding: 15px 10px; font-weight: 700; color: #333; display: flex; align-items: center; justify-content: center; border-right: 1px solid #ffccbc; border-bottom: 1px solid #eee; font-size: 15px;\">\n                Bonnet\n            <\/div>\n            <div style=\"background: #fff; padding: 15px 10px; color: #333; display: flex; align-items: center; justify-content: center; border-right: 1px solid #eee; border-bottom: 1px solid #eee; font-size: 15px; font-weight: 400;\">\n                Covers the opening &#038; seals the top\n            <\/div>\n            <div style=\"background: #fff; padding: 15px 10px; color: #333; display: flex; align-items: center; justify-content: center; border-bottom: 1px solid #eee; font-size: 15px; font-weight: 400; text-align: center;\">\n                Removable for Maintenance\n            <\/div>\n\n            <div style=\"background: #fff8f0; padding: 15px 10px; font-weight: 700; color: #333; display: flex; align-items: center; justify-content: center; border-right: 1px solid #ffccbc; border-bottom: 1px solid #eee; font-size: 15px;\">\n                Gate (Disc)\n            <\/div>\n            <div style=\"background: #fff; padding: 15px 10px; color: #333; display: flex; align-items: center; justify-content: center; border-right: 1px solid #eee; border-bottom: 1px solid #eee; font-size: 15px; font-weight: 400;\">\n                Moves up\/down to stop or start flow\n            <\/div>\n            <div style=\"background: #fff; padding: 15px 10px; color: #333; display: flex; align-items: center; justify-content: center; border-bottom: 1px solid #eee; font-size: 15px; font-weight: 400; text-align: center;\">\n                Wedge or Slab Shape\n            <\/div>\n\n            <div style=\"background: #fff8f0; padding: 15px 10px; font-weight: 700; color: #333; display: flex; align-items: center; justify-content: center; border-right: 1px solid #ffccbc; border-bottom: 1px solid #eee; font-size: 15px;\">\n                Stem\n            <\/div>\n            <div style=\"background: #fff; padding: 15px 10px; color: #333; display: flex; align-items: center; justify-content: center; border-right: 1px solid #eee; border-bottom: 1px solid #eee; font-size: 15px; font-weight: 400;\">\n                Transfers motion from handwheel to gate\n            <\/div>\n            <div style=\"background: #fff; padding: 15px 10px; color: #333; display: flex; align-items: center; justify-content: center; border-bottom: 1px solid #eee; font-size: 15px; font-weight: 400; text-align: center;\">\n                Rising (OS&#038;Y) or Non-Rising\n            <\/div>\n\n            <div style=\"background: #fff8f0; padding: 15px 10px; font-weight: 700; color: #333; display: flex; align-items: center; justify-content: center; border-right: 1px solid #ffccbc; border-bottom: 1px solid #eee; font-size: 15px;\">\n                Seat\n            <\/div>\n            <div style=\"background: #fff; padding: 15px 10px; color: #333; display: flex; align-items: center; justify-content: center; border-right: 1px solid #eee; border-bottom: 1px solid #eee; font-size: 15px; font-weight: 400;\">\n                Provides the sealing surface for the gate\n            <\/div>\n            <div style=\"background: #fff; padding: 15px 10px; color: #333; display: flex; align-items: center; justify-content: center; border-bottom: 1px solid #eee; font-size: 15px; font-weight: 400; text-align: center;\">\n                Metal or Soft Seal\n            <\/div>\n\n            <div style=\"background: #fff8f0; padding: 15px 10px; font-weight: 700; color: #333; display: flex; align-items: center; justify-content: center; border-right: 1px solid #ffccbc; font-size: 15px;\">\n                Packing\n            <\/div>\n            <div style=\"background: #fff; padding: 15px 10px; color: #333; display: flex; align-items: center; justify-content: center; border-right: 1px solid #eee; font-size: 15px; font-weight: 400;\">\n                Prevents leaks around the stem\n            <\/div>\n            <div style=\"background: #fff; padding: 15px 10px; color: #333; display: flex; align-items: center; justify-content: center; font-size: 15px; font-weight: 400; text-align: center;\">\n                Compressed by Gland\n            <\/div>\n\n        <\/div>\n    <\/div>\n    <div style=\"background: #fafafa; padding: 10px 15px; text-align: right; font-size: 12px; color: #999; border-top: 1px solid #eee;\">\n        Table: Gate Valve Assembly Components\n    <\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">How a Gate Valve Works<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The stem turns, and the gate moves up or down in the flow path. This straight movement reduces pressure loss and keeps the passage smooth. Knife gate valves follow the same motion but use a sharpened edge to cut through slurries or debris.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Reading an Assembly Drawing<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A drawing shows how internal parts fit together and helps during installation or troubleshooting. A typical drawing includes:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Body and bonnet placement<\/li>\n\n\n\n<li>Gate and stem alignment<\/li>\n\n\n\n<li>Seat location<\/li>\n\n\n\n<li>Fasteners and connection points<\/li>\n\n\n\n<li>Flow direction and port dimensions<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">When interpreting a drawing, check how the valve fits in your pipeline and whether you have the needed service space.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Assembly Procedure (Step-By-Step)<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Understanding the process helps during maintenance or inspection.<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>Body &amp; Seat Preparation:<\/strong> Seats are installed or machined. Surfaces must be smooth for proper sealing.<\/li>\n\n\n\n<li><strong>Gate Installation:<\/strong> The gate is set between the seats. Alignment prevents binding and uneven wear.<\/li>\n\n\n\n<li><strong>Stem &amp; Gate Connection:<\/strong> The stem is attached by threading or pinning. This linkage moves the gate vertically.<\/li>\n\n\n\n<li><strong>Bonnet Assembly:<\/strong> The bonnet is fixed to the body using bolts, screws, welds, or pressure-seal methods.<\/li>\n\n\n\n<li><strong>Packing Adjustment:<\/strong> Packing is tightened to seal around the stem without restricting movement.<\/li>\n\n\n\n<li><strong>Actuation Integration:<\/strong> Handwheels or actuators are installed. Testing ensures the valve moves freely.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">Types of Designs<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Several gate designs support different applications. Understanding them helps in selecting the right valve for your plant or project.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Standard Wedge Gate Valve:<\/strong> A common design for general on\/off service.<\/li>\n\n\n\n<li><strong>Knife Gate Valve:<\/strong> Uses a blade to pass through solids or thick fluids.<\/li>\n\n\n\n<li><strong>Parallel Slide Gate Valve:<\/strong> Two parallel discs create a sealing effect. Learn more about the <a href=\"https:\/\/www.ykyvalve.com\/blog\/gate-valve\/parallel-slide-gate-valve-vs-wedge-gate-valve\/\">Parallel Slide vs Wedge Gate Valve differences<\/a>.<\/li>\n\n\n\n<li><strong>Slab Gate Valve:<\/strong> A flat gate design often used for oil and gas pipelines.<\/li>\n<\/ul>\n\n\n\n<style>\n  \/* \u5168\u5c40\u91cd\u7f6e *\/\n  .hero-card-wrapper * {\n    box-sizing: border-box;\n  }\n\n  \/* \u5f15\u5165 Poppins \u5b57\u4f53 *\/\n  @import url('https:\/\/fonts.googleapis.com\/css2?family=Poppins:wght@400;600;700&display=swap');\n\n  \/* \u5bb9\u5668\u6837\u5f0f *\/\n  .hero-card-wrapper {\n    display: flex;\n    flex-wrap: wrap;\n    gap: 25px; \/* \u5361\u7247\u95f4\u8ddd *\/\n    justify-content: center;\n    padding: 30px 20px;\n    font-family: 'Poppins', Arial, sans-serif;\n  }\n\n  \/* \u5361\u7247\u4e3b\u4f53 *\/\n  .hero-card {\n    border: 1px solid #e0e0e0;\n    border-radius: 12px;\n    overflow: hidden;\n    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);\n    transition: transform 0.2s ease, box-shadow 0.3s ease;\n    background: #fff;\n    display: flex;\n    flex-direction: column;\n    width: 100%; \n  }\n\n  .hero-card:hover {\n    transform: translateY(-4px);\n    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);\n  }\n\n  \/* \u56fe\u7247\u533a\u57df - \u9650\u9ad8 250px *\/\n  .hero-card-image-link {\n    display: flex;\n    justify-content: center;\n    align-items: center;\n    width: 100%;\n    height: 250px;           \n    overflow: hidden;\n    border-bottom: 1px solid #f0f0f0;\n    background-color: #fcfcfc;\n    padding: 15px;\n  }\n\n  .hero-card img {\n    max-width: 100%;\n    max-height: 100%;\n    height: auto;\n    display: block;\n    object-fit: contain;\n    transition: transform 0.3s ease;\n  }\n\n  .hero-card:hover img {\n    transform: scale(1.05);\n  }\n\n  \/* \u5185\u5bb9\u533a\u57df *\/\n  .hero-card-content {\n    padding: 22px;\n    flex-grow: 1;\n    display: flex;\n    flex-direction: column;\n    justify-content: space-between;\n  }\n\n  \/* \u6807\u9898 *\/\n  .hero-card-content .card-title {\n    font-size: 20px;\n    color: #F2654A;\n    font-weight: 700;\n    margin: 0 0 10px 0;\n    line-height: 1.3;\n  }\n\n  \/* \u63cf\u8ff0\u6587\u672c *\/\n  .hero-card-content p {\n    font-size: 15px;\n    color: #333;\n    margin: 0 0 18px 0;\n    line-height: 1.5;\n    font-weight: 400;\n  }\n\n  \/* \u6309\u94ae *\/\n  .hero-card-content a.btn {\n    display: inline-block;\n    padding: 10px 20px;\n    background-color: #F2654A;\n    color: #fff;\n    font-size: 14px;\n    text-decoration: none;\n    border-radius: 6px;\n    text-align: center;\n    font-weight: 600;\n    transition: background-color 0.2s ease;\n    align-self: flex-start;\n  }\n\n  .hero-card-content a.btn:hover {\n    background-color: #D8583B;\n  }\n\n  \/* \u684c\u9762\u7aef\u5f3a\u5236\u53cc\u5217\u5e76\u6392 *\/\n  @media (min-width: 768px) {\n    .hero-card {\n      \/* \u5bbd\u5ea6\u8ba1\u7b97\uff1a50% - \u95f4\u8ddd\u7684\u4e00\u534a *\/\n      flex: 0 0 calc(50% - 25px); \n      max-width: 480px; \n    }\n  }\n  \n  \/* \u79fb\u52a8\u7aef\u5806\u53e0 *\/\n  @media (max-width: 767px) {\n    .hero-card {\n      flex: 1 1 100%;\n    }\n    .hero-card-image-link {\n        height: auto;\n        max-height: 250px;\n    }\n  }\n<\/style>\n\n<div class=\"hero-card-wrapper\">\n  <div class=\"hero-card\">\n    <a href=\"https:\/\/www.ykyvalve.com\/product\/api-gate-valve\/\" target=\"_blank\" class=\"hero-card-image-link\">\n      <img decoding=\"async\" src=\"https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/07\/API-Gate-Valve.webp\" alt=\"API Standard Wedge Gate Valve\">\n    <\/a>\n    <div class=\"hero-card-content\">\n      <div class=\"card-title\">API 600 Wedge Gate Valve<\/div>\n      <p>Features a robust flexible wedge assembly designed for superior sealing. The standard choice for high-pressure industrial systems.<\/p>\n      <a href=\"https:\/\/www.ykyvalve.com\/product\/api-gate-valve\/\" target=\"_blank\" class=\"btn\">View Assembly Details<\/a>\n    <\/div>\n  <\/div>\n\n  <div class=\"hero-card\">\n    <a href=\"https:\/\/www.ykyvalve.com\/product\/gb-gate-valve\/\" target=\"_blank\" class=\"hero-card-image-link\">\n      <img decoding=\"async\" src=\"https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/07\/GB-Gate-Valve.png\" alt=\"GB Standard Gate Valve Assembly\">\n    <\/a>\n    <div class=\"hero-card-content\">\n      <div class=\"card-title\">GB Standard Gate Valve<\/div>\n      <p>Precision-engineered body and bonnet assembly. A reliable and cost-effective wedge gate design for general applications.<\/p>\n      <a href=\"https:\/\/www.ykyvalve.com\/product\/gb-gate-valve\/\" target=\"_blank\" class=\"btn\">View Design Specs<\/a>\n    <\/div>\n  <\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Selecting the Right Valve<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Choose your valve based on:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Flow media<\/li>\n\n\n\n<li>Pressure and temperature<\/li>\n\n\n\n<li>Maintenance access<\/li>\n\n\n\n<li>Space limits<\/li>\n\n\n\n<li>Actuation needs<\/li>\n\n\n\n<li>Material compatibility<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">YKY Valve performs full material checks, pressure tests, and sealing tests to verify valve performance before shipment. You can view our <a target=\"_blank\" rel=\"noreferrer noopener\" href=\"https:\/\/www.ykyvalve.com\/blog\/comprehensive-valve-testing-and-quality-assurance-a-guide-to-reliable-performance\/\">Quality Assurance Process<\/a> to see how we ensure durability.<\/p>\n\n\n\n<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n<meta charset=\"UTF-8\">\n<meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n<title>YKY Valve Selection Tool<\/title>\n<style>\n  \/* === \u6837\u5f0f\u90e8\u5206 (CSS) === *\/\n  .yky-selector {\n    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;\n    max-width: 650px;\n    margin: 40px auto;\n    background: #ffffff;\n    border: 1px solid #e0e0e0;\n    border-top: 4px solid #0056b3; \/* YKY Blue branding *\/\n    border-radius: 8px;\n    padding: 35px;\n    box-shadow: 0 10px 25px rgba(0,0,0,0.08);\n  }\n  \n  .yky-header { text-align: center; margin-bottom: 30px; }\n  .yky-header h3 { margin: 0; color: #333; font-size: 24px; }\n  .yky-header p { color: #777; font-size: 14px; margin-top: 8px; }\n\n  \/* \u8868\u5355\u533a\u57df *\/\n  .form-group { margin-bottom: 25px; }\n  .form-label { \n    display: block; \n    font-weight: 700; \n    margin-bottom: 10px; \n    color: #444; \n    font-size: 15px;\n  }\n  .form-select {\n    width: 100%;\n    padding: 12px 15px;\n    border: 1px solid #ccc;\n    border-radius: 5px;\n    font-size: 16px;\n    background-color: #f9f9f9;\n    transition: border 0.3s;\n  }\n  .form-select:focus { border-color: #0056b3; outline: none; background: #fff; }\n  .form-select:disabled { background-color: #eee; color: #aaa; cursor: not-allowed; }\n\n  \/* \u6309\u94ae *\/\n  .btn-find {\n    width: 100%;\n    padding: 15px;\n    background-color: #0056b3;\n    color: white;\n    border: none;\n    border-radius: 5px;\n    font-size: 16px;\n    font-weight: bold;\n    cursor: pointer;\n    transition: background 0.3s, transform 0.1s;\n  }\n  .btn-find:hover { background-color: #004494; }\n  .btn-find:active { transform: scale(0.98); }\n\n  \/* \u7ed3\u679c\u5c55\u793a *\/\n  #yky-result {\n    margin-top: 30px;\n    display: none;\n    border: 1px solid #d4edda;\n    background-color: #f0fff4;\n    padding: 20px;\n    border-radius: 6px;\n    animation: slideDown 0.4s ease-out;\n  }\n  \n  .result-name { font-size: 20px; color: #155724; font-weight: bold; margin-bottom: 10px; }\n  .result-desc { color: #555; font-size: 14px; margin-bottom: 15px; line-height: 1.6; }\n  \n  .btn-cta {\n    display: inline-block;\n    background-color: #28a745;\n    color: white;\n    text-decoration: none;\n    padding: 10px 25px;\n    border-radius: 4px;\n    font-weight: bold;\n    font-size: 14px;\n  }\n  .btn-cta:hover { background-color: #218838; }\n\n  \/* \u52a8\u753b *\/\n  @keyframes slideDown { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: translateY(0); } }\n<\/style>\n<\/head>\n<body>\n\n<div class=\"yky-selector\">\n  <div class=\"yky-header\">\n    <h3>\ud83d\udd0d Valve Configurator<\/h3>\n    <p>Find the right YKY valve for your project standard &#038; application.<\/p>\n  <\/div>\n\n  <div class=\"form-group\">\n    <label class=\"form-label\">1. What is the primary function you need?<\/label>\n    <select id=\"step1-type\" class=\"form-select\" onchange=\"updateStep2()\">\n      <option value=\"\">&#8212; Select Function &#8212;<\/option>\n      <option value=\"ball\">Quick Shut-off \/ Isolation (Ball Valve)<\/option>\n      <option value=\"gate\">Main Line Open\/Close (Gate Valve)<\/option>\n      <option value=\"globe\">Flow Regulation \/ Throttling (Globe Valve)<\/option>\n      <option value=\"check\">Prevent Backflow (Check Valve)<\/option>\n      <option value=\"strainer\">Filter Debris (Strainer)<\/option>\n    <\/select>\n  <\/div>\n\n  <div class=\"form-group\">\n    <label class=\"form-label\" id=\"label-step2\">2. Select Specification \/ Standard:<\/label>\n    <select id=\"step2-spec\" class=\"form-select\" disabled>\n      <option value=\"\">&#8212; Please select Function first &#8212;<\/option>\n    <\/select>\n  <\/div>\n\n  <button class=\"btn-find\" onclick=\"findProduct()\">Show Matching Product<\/button>\n\n  <div id=\"yky-result\">\n    <\/div>\n<\/div>\n\n<script>\n  \/\/ === \u6570\u636e\u914d\u7f6e\u533a (\u57fa\u4e8e\u60a8\u63d0\u4f9b\u7684\u4e91\u63a7\u94fe\u63a5) ===\n  \/\/ \u8fd9\u91cc\u5b58\u50a8\u4e86\u903b\u8f91\u6620\u5c04\u5173\u7cfb\n  const productData = {\n    \/\/ \u7403\u9600\u903b\u8f91\uff1a\u6839\u636e\u8fde\u63a5\/\u7ed3\u6784\u7b5b\u9009\n    'ball': {\n      label: \"2. Select Connection \/ Body Type:\",\n      options: [\n        { val: 'thread', text: 'Threaded Connection (Small Size \/ Cost-effective)', url: 'https:\/\/www.ykyvalve.com\/product\/2pc-thread-ball-valve\/', name: '2PC Thread Ball Valve', desc: 'Ideal for small instrument lines or low-pressure water\/gas systems.' },\n        { val: 'flange_std', text: 'Flanged Connection (Standard)', url: 'https:\/\/www.ykyvalve.com\/product\/2pc-flanged-ball-valve\/', name: '2PC Flanged Ball Valve', desc: 'The industry standard for general industrial pipelines.' },\n        { val: 'flange_forged', text: 'Forged Steel (High Pressure \/ Severe Service)', url: 'https:\/\/www.ykyvalve.com\/product\/3pc-flanged-forged-ball-valve\/', name: '3PC Flanged Forged Ball Valve', desc: 'Designed for high pressure, high temperature, and critical oil & gas applications.' },\n        { val: '3way', text: '3-Way (Diverting Flow Direction)', url: 'https:\/\/www.ykyvalve.com\/product\/3-way-l-type-flanged-ball-valve\/', name: '3-Way L-Type Flanged Ball Valve', desc: 'Perfect for mixing or diverting flow between two different lines.' },\n        { val: 'welded', text: 'Fully Welded Body (Underground \/ District Heating)', url: 'https:\/\/www.ykyvalve.com\/product\/fully-welded-ball-valve\/', name: 'Fully Welded Ball Valve', desc: 'Leak-proof design specifically for underground heating pipelines or long-distance transport.' }\n      ]\n    },\n    \/\/ \u95f8\u9600\u903b\u8f91\uff1a\u6839\u636e\u6807\u51c6\u7b5b\u9009\n    'gate': {\n      label: \"2. Select Design Standard:\",\n      options: [\n        { val: 'api', text: 'API \/ ANSI Standard (American\/Intl)', url: 'https:\/\/www.ykyvalve.com\/product\/api-gate-valve\/', name: 'API Gate Valve', desc: 'Conforms to American standards, suitable for Oil & Gas refineries.' },\n        { val: 'gb', text: 'GB Standard (Chinese\/Metric)', url: 'https:\/\/www.ykyvalve.com\/product\/gb-gate-valve\/', name: 'GB Gate Valve', desc: 'Standard metric dimensions for general industrial use.' }\n      ]\n    },\n    \/\/ \u622a\u6b62\u9600\u903b\u8f91\uff1a\u6839\u636e\u6807\u51c6\u7b5b\u9009\n    'globe': {\n      label: \"2. Select Design Standard:\",\n      options: [\n        { val: 'api', text: 'API \/ ANSI Standard (American\/Intl)', url: 'https:\/\/www.ykyvalve.com\/product\/api-globe-valve\/', name: 'API Globe Valve', desc: 'Precise flow regulation compliant with API standards.' },\n        { val: 'gb', text: 'GB Standard (Chinese\/Metric)', url: 'https:\/\/www.ykyvalve.com\/product\/gb-globe-valve\/', name: 'GB Globe Valve', desc: 'Metric standard globe valve for throttling applications.' }\n      ]\n    },\n    \/\/ \u6b62\u56de\u9600\u903b\u8f91\uff1a\u6839\u636e\u6807\u51c6\u7b5b\u9009\n    'check': {\n      label: \"2. Select Design Standard:\",\n      options: [\n        { val: 'api', text: 'API \/ ANSI Standard (American\/Intl)', url: 'https:\/\/www.ykyvalve.com\/product\/api-swing-check-valve\/', name: 'API Swing Check Valve', desc: 'Prevents backflow in ANSI standard piping systems.' },\n        { val: 'gb', text: 'GB Standard (Chinese\/Metric)', url: 'https:\/\/www.ykyvalve.com\/product\/gb-swing-check-valve\/', name: 'GB Swing Check Valve', desc: 'Prevents backflow in Metric standard piping systems.' }\n      ]\n    },\n    \/\/ \u8fc7\u6ee4\u5668\u903b\u8f91\uff1a\u76f4\u63a5\u5339\u914d\n    'strainer': {\n      label: \"2. Confirm Type:\",\n      options: [\n        { val: 'y_type', text: 'Y-Type Standard', url: 'https:\/\/www.ykyvalve.com\/product\/y-type-strainer\/', name: 'Y-Type Strainer', desc: 'Essential for protecting pumps and meters from debris.' }\n      ]\n    }\n  };\n\n  \/\/ === \u903b\u8f91\u63a7\u5236\u51fd\u6570 ===\n\n  \/\/ \u5f53\u7b2c\u4e00\u6b65\u53d8\u5316\u65f6\uff0c\u66f4\u65b0\u7b2c\u4e8c\u6b65\u7684\u4e0b\u62c9\u83dc\u5355\n  function updateStep2() {\n    const step1Val = document.getElementById('step1-type').value;\n    const step2Select = document.getElementById('step2-spec');\n    const step2Label = document.getElementById('label-step2');\n    const resultDiv = document.getElementById('yky-result');\n\n    \/\/ \u6e05\u7a7a\u7ed3\u679c\u548c\u7b2c\u4e8c\u6b65\u9009\u9879\n    resultDiv.style.display = 'none';\n    step2Select.innerHTML = ''; \n\n    if (!step1Val) {\n      step2Select.disabled = true;\n      step2Select.innerHTML = '<option value=\"\">-- Please select Function first --<\/option>';\n      return;\n    }\n\n    \/\/ \u83b7\u53d6\u5bf9\u5e94\u7684\u6570\u636e\n    const data = productData[step1Val];\n    \n    \/\/ \u66f4\u65b0 Label \u6587\u6848\n    step2Label.innerText = data.label;\n    \n    \/\/ \u586b\u5145\u7b2c\u4e8c\u6b65\u7684 Options\n    step2Select.disabled = false;\n    \/\/ \u6dfb\u52a0\u9ed8\u8ba4\u9009\u9879\n    const defaultOpt = document.createElement('option');\n    defaultOpt.value = \"\";\n    defaultOpt.text = \"-- Please Select --\";\n    step2Select.add(defaultOpt);\n\n    \/\/ \u5faa\u73af\u6dfb\u52a0\u9009\u9879\n    data.options.forEach(opt => {\n      const el = document.createElement('option');\n      el.value = opt.val; \/\/ \u8fd9\u91cc\u6682\u65f6\u5b58 ID\uff0c\u6700\u7ec8\u67e5\u627e\u7528\n      el.text = opt.text;\n      \/\/ \u5c06\u6570\u636e\u76f4\u63a5\u7ed1\u5b9a\u5728 DOM \u5143\u7d20\u4e0a\uff0c\u65b9\u4fbf\u63d0\u53d6\n      el.dataset.url = opt.url;\n      el.dataset.name = opt.name;\n      el.dataset.desc = opt.desc;\n      step2Select.add(el);\n    });\n  }\n\n  \/\/ \u70b9\u51fb\u67e5\u627e\u6309\u94ae\n  function findProduct() {\n    const step2Select = document.getElementById('step2-spec');\n    const resultDiv = document.getElementById('yky-result');\n    \n    \/\/ \u68c0\u67e5\u662f\u5426\u9009\u62e9\u4e86\u7b2c\u4e8c\u6b65\n    if (step2Select.disabled || step2Select.value === \"\") {\n      alert(\"Please complete the selection logic to find the right valve.\");\n      return;\n    }\n\n    \/\/ \u83b7\u53d6\u9009\u4e2d\u7684 Option \u6570\u636e\n    const selectedOpt = step2Select.options[step2Select.selectedIndex];\n    \n    const pName = selectedOpt.dataset.name;\n    const pDesc = selectedOpt.dataset.desc;\n    const pUrl = selectedOpt.dataset.url;\n\n    \/\/ \u6e32\u67d3\u7ed3\u679c\n    resultDiv.innerHTML = `\n      <div class=\"result-name\">\u2705 Recommended: ${pName}<\/div>\n      <div class=\"result-desc\">${pDesc}<\/div>\n      <a href=\"${pUrl}\" class=\"btn-cta\" target=\"_blank\">View Specs & Quote<\/a>\n      <div style=\"margin-top:10px; font-size:12px; color:#999;\">\n        Need help? <a href=\"\/contact\" style=\"color:#666; text-decoration:underline;\">Contact Support<\/a>\n      <\/div>\n    `;\n    resultDiv.style.display = 'block';\n  }\n<\/script>\n\n<\/body>\n<\/html>\n\n\n\n<h2 class=\"wp-block-heading\">Conclusion \u2013 Build a Safer, Stronger System<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A gate valve assembly may look simple, but each part influences system performance. When you understand the internal components, study a gate valve assembly drawing, and follow the procedure, selection becomes easier. For systems in chemical, oil, gas, and industrial operations, explore a collection of valves made to meet global standards.YKY Valve manufactures valves tested for pressure, sealing, and durability. If you are planning a new project or upgrading equipment, <a href=\"https:\/\/www.ykyvalve.com\/products\/\">YKY Valve can help match a suitable solution.<\/a><\/p>\n\n\n\n<style>\n  \/* \u5f15\u5165\u5b57\u4f53 *\/\n  @import url('https:\/\/fonts.googleapis.com\/css2?family=Poppins:wght@400;600;700&display=swap');\n\n  \/* CTA \u5361\u7247\u5bb9\u5668 *\/\n  .yky-quality-cta {\n    position: relative;\n    width: 100%;\n    \/* \u3010\u4fee\u6539 1\u3011\u5bbd\u5ea6\u4ece 600px \u589e\u52a0\u5230 750px *\/\n    max-width: 750px; \n    \/* \u5de6\u5bf9\u9f50 *\/\n    margin: 40px 0; \n    border-radius: 12px;\n    overflow: hidden;\n    font-family: 'Poppins', Arial, sans-serif;\n    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);\n    text-decoration: none;\n    display: block;\n  }\n\n  \/* \u80cc\u666f\u56fe\u7247\u5c42 *\/\n  .yky-cta-bg {\n    position: absolute;\n    top: 0;\n    left: 0;\n    width: 100%;\n    height: 100%;\n    background-image: url('https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/07\/%E5%9B%BE%E5%B1%82-4202_1v1.webp');\n    background-size: cover;\n    background-position: center;\n    transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);\n    z-index: 1;\n  }\n\n  \/* \u906e\u7f69\u5c42 *\/\n  .yky-cta-overlay {\n    position: absolute;\n    top: 0;\n    left: 0;\n    width: 100%;\n    height: 100%;\n    background: linear-gradient(135deg, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.3) 100%);\n    z-index: 2;\n  }\n\n  \/* \u5185\u5bb9\u5c42 *\/\n  .yky-cta-content {\n    position: relative;\n    z-index: 3;\n    \/* \u3010\u4fee\u6539 2\u3011\u4e0a\u4e0b\u5185\u8fb9\u8ddd\u4ece 100px \u51cf\u5c11\u5230 70px\uff0c\u964d\u4f4e\u6574\u4f53\u9ad8\u5ea6 *\/\n    padding: 70px 40px; \n    text-align: center;\n    color: #fff;\n    display: flex;\n    flex-direction: column;\n    align-items: center;\n    justify-content: center;\n  }\n\n  \/* \u60ac\u505c\u6548\u679c *\/\n  .yky-quality-cta:hover .yky-cta-bg {\n    transform: scale(1.1);\n  }\n\n  \/* \u6807\u9898\u6837\u5f0f *\/\n  .yky-cta-title {\n    font-size: 26px;\n    font-weight: 700;\n    margin-bottom: 15px;\n    text-transform: uppercase;\n    letter-spacing: 1px;\n    line-height: 1.2;\n    text-shadow: 0 2px 4px rgba(0,0,0,0.3);\n  }\n\n  \/* \u526f\u6807\u9898\/\u63cf\u8ff0\u6837\u5f0f *\/\n  .yky-cta-desc {\n    font-size: 15px;\n    font-weight: 400;\n    max-width: 580px; \/* \u968f\u5361\u7247\u53d8\u5bbd\u9002\u5f53\u589e\u52a0\u6587\u5b57\u5bbd\u5ea6 *\/\n    margin-bottom: 30px;\n    line-height: 1.6;\n    color: #f0f0f0; \n    text-shadow: 0 1px 2px rgba(0,0,0,0.3);\n  }\n\n  \/* \u6309\u94ae\u6837\u5f0f *\/\n  .yky-cta-btn {\n    display: inline-block;\n    padding: 14px 30px;\n    background-color: #F2654A;\n    color: #fff;\n    font-size: 14px;\n    font-weight: 600;\n    border-radius: 6px;\n    text-decoration: none;\n    transition: background-color 0.3s ease, transform 0.2s ease;\n    border: 1px solid transparent;\n    box-shadow: 0 4px 6px rgba(0,0,0,0.2);\n  }\n\n  .yky-cta-btn:hover {\n    background-color: #D8583B;\n    transform: translateY(-2px);\n  }\n\n  \/* \u54cd\u5e94\u5f0f\u8c03\u6574 *\/\n  @media (max-width: 768px) {\n    .yky-quality-cta {\n      max-width: 100%;\n      margin: 20px 0;\n    }\n    .yky-cta-content {\n      padding: 50px 20px;\n    }\n    .yky-cta-title {\n      font-size: 22px;\n    }\n    .yky-cta-btn {\n      width: 100%;\n    }\n  }\n<\/style>\n\n<div class=\"yky-quality-cta\">\n  <div class=\"yky-cta-bg\"><\/div>\n  <div class=\"yky-cta-overlay\"><\/div>\n  <div class=\"yky-cta-content\">\n    <div class=\"yky-cta-title\">Uncompromising Quality Control<\/div>\n    <p class=\"yky-cta-desc\">\n      Reliability isn&#8217;t an accident. From raw material inspection to final pressure testing, see how YKY Valve ensures zero-leakage performance.\n    <\/p>\n    <a href=\"https:\/\/www.ykyvalve.com\/quality\/\" target=\"_blank\" class=\"yky-cta-btn\">\n      View Our Quality Standards\n    <\/a>\n  <\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>A gate valve assembly is a device that opens or closes fluid flow in a pipeline. It works by lifting or lowering a flat gate to<span class=\"excerpt-hellip\"> [\u2026]<\/span><\/p>\n","protected":false},"author":1,"featured_media":1165,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[62],"tags":[],"class_list":["post-1161","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-gate-valve"],"_links":{"self":[{"href":"https:\/\/www.ykyvalve.com\/fr\/wp-json\/wp\/v2\/posts\/1161","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ykyvalve.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ykyvalve.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ykyvalve.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ykyvalve.com\/fr\/wp-json\/wp\/v2\/comments?post=1161"}],"version-history":[{"count":10,"href":"https:\/\/www.ykyvalve.com\/fr\/wp-json\/wp\/v2\/posts\/1161\/revisions"}],"predecessor-version":[{"id":1205,"href":"https:\/\/www.ykyvalve.com\/fr\/wp-json\/wp\/v2\/posts\/1161\/revisions\/1205"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ykyvalve.com\/fr\/wp-json\/wp\/v2\/media\/1165"}],"wp:attachment":[{"href":"https:\/\/www.ykyvalve.com\/fr\/wp-json\/wp\/v2\/media?parent=1161"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ykyvalve.com\/fr\/wp-json\/wp\/v2\/categories?post=1161"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ykyvalve.com\/fr\/wp-json\/wp\/v2\/tags?post=1161"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}