Wafer Type Check Valve Manufacturer in China | PANS Valve \u2013 Factory Direct<\/title>\r\n<meta name=\"description\" content=\"PANS Valve is a leading wafer type check valve manufacturer in China since 1985. We supply dual plate, swing, spring-loaded wafer check valves in SS, CI, carbon steel. API594 certified. Get factory price & fast delivery.\">\r\n<meta name=\"keywords\" content=\"wafer type check valve, wafer type check valve manufacturer, dual plate wafer check valve, check valve wafer type, wafer type check valve manufacturer in china, spring loaded wafer check valve, swing wafer type check valve\">\r\n\r\n<link rel=\"preconnect\" href=\"https:\/\/fonts.googleapis.com\">\r\n<link rel=\"preconnect\" href=\"https:\/\/fonts.gstatic.com\" crossorigin>\r\n<link href=\"https:\/\/fonts.googleapis.com\/css2?family=Poppins:wght@300;400;500;600;700;800&display=swap\" rel=\"stylesheet\">\r\n\r\n<style>\r\n:root {\r\n --red: #d70c19;\r\n --red-dark: #b00a15;\r\n --dark: #333333;\r\n --mid: #666666;\r\n --light: #eeeeee;\r\n --white: #ffffff;\r\n --border: #e0e0e0;\r\n --section-bg: #f8f8f8;\r\n}\r\n*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }\r\nhtml { scroll-behavior: smooth; }\r\nbody { font-family: 'Poppins', sans-serif; color: var(--dark); background: var(--white); line-height: 1.6; overflow-x: hidden; }\r\n\r\n\/* \u2500\u2500 UTILITY \u2500\u2500 *\/\r\n.container { max-width: 1400px; margin: 0 auto; padding: 0 24px; }\r\n.section { padding: 80px 0; }\r\n.section-alt { padding: 80px 0; background: var(--section-bg); }\r\n.tag { display: inline-block; background: var(--red); color: var(--white); font-family: 'Poppins', sans-serif; font-size: 10px; font-weight: 700; letter-spacing: 2.5px; text-transform: uppercase; padding: 4px 14px; margin-bottom: 16px; }\r\n.section-title { font-family: 'Poppins', sans-serif; font-size: clamp(22px, 3.2vw, 36px); font-weight: 800; color: var(--dark); line-height: 1.15; margin-bottom: 16px; text-transform: uppercase; letter-spacing: 0.3px; }\r\n.section-title span { color: var(--red); }\r\n.section-lead { font-size: 18px; color: var(--mid); max-width: 680px; line-height: 1.85; font-weight: 400; }\r\n.btn { display: inline-flex; align-items: center; gap: 8px; font-family: 'Poppins', sans-serif; font-size: 12px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; padding: 13px 26px; border: none; cursor: pointer; text-decoration: none; transition: all 0.2s ease; }\r\n.btn-primary { background: var(--red); color: var(--white); }\r\n.btn-primary:hover { background: var(--red-dark); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(215,12,25,0.35); }\r\n.btn-outline { background: transparent; color: var(--white); border: 2px solid rgba(255,255,255,0.65); }\r\n.btn-outline:hover { background: rgba(255,255,255,0.08); border-color: var(--white); }\r\n.btn-outline-dark { background: transparent; color: var(--red); border: 2px solid var(--red); }\r\n.btn-outline-dark:hover { background: var(--red); color: var(--white); }\r\n\r\n\/* \u2500\u2500 TOPBAR \u2500\u2500 *\/\r\n.topbar { background: var(--dark); padding: 8px 0; font-size: 11px; color: #aaa; }\r\n.topbar .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; }\r\n.topbar a { color: #ccc; text-decoration: none; transition: color 0.2s; }\r\n.topbar a:hover { color: var(--white); }\r\n.topbar-left, .topbar-right { display: flex; gap: 20px; align-items: center; }\r\n\r\n\/* \u2500\u2500 HEADER \u2500\u2500 *\/\r\n.header { background: var(--white); border-bottom: 3px solid var(--red); position: sticky; top: 0; z-index: 1000; box-shadow: 0 2px 12px rgba(0,0,0,0.08); }\r\n.header .container { display: flex; align-items: center; justify-content: space-between; padding-top: 13px; padding-bottom: 13px; gap: 24px; }\r\n.logo { display: flex; flex-direction: column; text-decoration: none; }\r\n.logo-name { font-family: 'Poppins', sans-serif; font-size: 22px; font-weight: 800; color: var(--dark); letter-spacing: 2px; text-transform: uppercase; line-height: 1; }\r\n.logo-name span { color: var(--red); }\r\n.logo-sub { font-size: 9px; color: var(--mid); letter-spacing: 1.5px; text-transform: uppercase; margin-top: 3px; font-weight: 500; }\r\n.header-nav { display: flex; align-items: center; 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position: absolute; inset: 0; background: linear-gradient(135deg, rgba(215,12,25,0.14) 0%, transparent 55%), repeating-linear-gradient(-45deg, transparent, transparent 30px, rgba(255,255,255,0.012) 30px, rgba(255,255,255,0.012) 32px); }\r\n.hero-inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr 400px; gap: 56px; align-items: center; padding: 72px 0; width: 100%; }\r\n.hero-tag { display: inline-block; background: var(--red); color: var(--white); font-family: 'Poppins', sans-serif; font-size: 9px; font-weight: 700; letter-spacing: 3px; text-transform: uppercase; padding: 5px 16px; margin-bottom: 16px; }\r\n.hero-breadcrumb { font-size: 11px; color: rgba(255,255,255,0.45); margin-bottom: 18px; display: flex; align-items: center; gap: 8px; }\r\n.hero-breadcrumb a { color: rgba(255,255,255,0.55); text-decoration: none; }\r\n.hero-breadcrumb a:hover { color: var(--white); }\r\n.hero h1 { font-family: 'Poppins', sans-serif; font-size: clamp(28px, 4.5vw, 56px); font-weight: 800; color: var(--white); line-height: 1.06; text-transform: uppercase; letter-spacing: 0.3px; margin-bottom: 10px; }\r\n.hero h1 em { color: var(--red); font-style: normal; }\r\n.hero-sub { font-size: 14px; color: rgba(255,255,255,0.55); letter-spacing: 1px; margin-bottom: 18px; font-weight: 500; }\r\n.hero-desc { font-size: 18px; color: rgba(255,255,255,0.68); max-width: 500px; line-height: 1.85; margin-bottom: 30px; font-weight: 400; }\r\n.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }\r\n.hero-stats { display: flex; gap: 0; margin-top: 44px; border-top: 1px solid rgba(255,255,255,0.1); padding-top: 30px; flex-wrap: wrap; }\r\n.hero-stat { padding: 0 28px 0 0; margin-right: 28px; border-right: 1px solid rgba(255,255,255,0.1); }\r\n.hero-stat:last-child { border-right: none; }\r\n.hero-stat-num { font-family: 'Poppins', sans-serif; font-size: 34px; font-weight: 800; color: var(--red); line-height: 1; display: block; }\r\n.hero-stat-label { font-size: 12px; color: rgba(255,255,255,0.45); text-transform: uppercase; letter-spacing: 1px; margin-top: 4px; display: block; font-weight: 500; }\r\n\r\n\/* Hero product image *\/\r\n.hero-product-img { position: relative; display: flex; align-items: center; justify-content: center; }\r\n.hero-product-img::before { content: ''; position: absolute; inset: -30px; background: radial-gradient(circle, rgba(215,12,25,0.1) 0%, transparent 68%); border-radius: 50%; }\r\n.hero-product-img img { width: 100%; max-width: 380px; object-fit: contain; filter: drop-shadow(0 20px 56px rgba(0,0,0,0.65)); position: relative; z-index: 1; animation: floatImg 4.5s ease-in-out infinite; }\r\n@keyframes floatImg { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }\r\n.hero-img-badge { position: absolute; bottom: 14px; right: 0; background: var(--red); color: var(--white); font-family: 'Poppins', sans-serif; font-size: 9px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; padding: 7px 12px; z-index: 2; }\r\n\r\n\/* \u2500\u2500 CERT BAR \u2500\u2500 *\/\r\n.cert-bar { background: var(--red); padding: 16px 0; }\r\n.cert-bar .container { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }\r\n.cert-items { display: flex; gap: 26px; flex-wrap: wrap; }\r\n.cert-item { display: flex; align-items: center; gap: 8px; color: rgba(255,255,255,0.9); font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; }\r\n.cert-badge { font-family: 'Poppins', sans-serif; font-size: 10px; font-weight: 700; background: rgba(0,0,0,0.2); color: var(--white); padding: 3px 10px; letter-spacing: 1.5px; }\r\n\r\n\/* \u2500\u2500 WHAT IS \/ VIDEO \u6539\u4e3a\u56fe\u7247 \u2500\u2500 *\/\r\n.what-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }\r\n.video-wrap { position: relative; width: 100%; padding-bottom: 56.25%; height: 0; overflow: hidden; background: #000; box-shadow: 0 20px 60px rgba(0,0,0,0.2); }\r\n.video-wrap iframe { position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: 0; }\r\n.video-label { margin-top: 10px; font-size: 10px; color: var(--mid); letter-spacing: 1.5px; text-transform: uppercase; text-align: center; font-weight: 500; }\r\n.key-chars { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 22px; }\r\n.key-char { display: flex; gap: 11px; align-items: flex-start; padding: 13px; border: 1px solid var(--border); transition: border-color 0.2s; }\r\n.key-char:hover { border-color: var(--red); }\r\n.key-char-icon { width: 32px; height: 32px; background: var(--red); display: flex; align-items: center; justify-content: center; flex-shrink: 0; color: var(--white); font-size: 14px; }\r\n.key-char-title { font-size: 22px; font-weight: 700; color: var(--dark); margin-bottom: 2px; text-transform: uppercase; letter-spacing: 0.3px; }\r\n.key-char-desc { font-size: 18px; color: var(--mid); line-height: 1.5; font-weight: 400; }\r\n\r\n\/* \u2500\u2500 PRODUCTS \u2500\u2500 *\/\r\n.products-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; margin-top: 44px; background: var(--border); }\r\n.product-card { background: var(--white); padding: 28px 24px; text-decoration: none; color: inherit; transition: all 0.25s ease; position: relative; overflow: hidden; display: block; }\r\n.product-card::before { content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 3px; background: var(--red); transform: scaleX(0); transition: transform 0.25s; }\r\n.product-card:hover::before { transform: scaleX(1); }\r\n.product-card:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(0,0,0,0.1); z-index: 1; }\r\n.product-card-num { font-family: 'Poppins', sans-serif; font-size: 42px; font-weight: 800; color: var(--light); line-height: 1; margin-bottom: 8px; transition: color 0.25s; }\r\n.product-card:hover .product-card-num { color: rgba(215,12,25,0.08); }\r\n.product-card-name { font-family: 'Poppins', sans-serif; font-size: 22px; font-weight: 700; color: var(--dark); text-transform: uppercase; letter-spacing: 0.3px; margin-bottom: 8px; line-height: 1.3; }\r\n.product-card-material { display: inline-block; font-size: 9px; color: var(--red); font-weight: 700; letter-spacing: 1px; text-transform: uppercase; background: rgba(215,12,25,0.06); padding: 3px 7px; margin-bottom: 10px; }\r\n.product-card-desc { font-size: 18px; color: var(--mid); line-height: 1.7; margin-bottom: 14px; font-weight: 400; }\r\n.product-card-link { font-size: 10px; font-weight: 700; color: var(--red); text-transform: uppercase; letter-spacing: 1px; display: flex; align-items: center; gap: 5px; }\r\n\r\n\/* \u2500\u2500 SPECS \u2500\u2500 *\/\r\n.specs-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }\r\n.specs-table { width: 100%; border-collapse: collapse; font-size: 18px; }\r\n.specs-table th { background: var(--dark); color: var(--white); font-family: 'Poppins', sans-serif; font-size: 22px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; padding: 13px 18px; text-align: left; }\r\n.specs-table tr:nth-child(even) td { background: var(--section-bg); }\r\n.specs-table td { padding: 10px 18px; border-bottom: 1px solid var(--border); color: var(--dark); font-size: 18px; }\r\n.specs-table td:first-child { font-weight: 600; color: var(--mid); font-size: 18px; width: 44%; }\r\n\r\n\/* Cert Images Grid *\/\r\n.cert-imgs-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-bottom: 18px; }\r\n.cert-img-card { background: var(--white); border: 1px solid var(--border); padding: 6px; display: flex; align-items: center; justify-content: center; aspect-ratio: 3\/4; overflow: hidden; transition: border-color 0.2s, box-shadow 0.2s; }\r\n.cert-img-card:hover { border-color: var(--red); box-shadow: 0 4px 14px rgba(215,12,25,0.12); }\r\n.cert-img-card img { width: 100%; height: 100%; object-fit: contain; }\r\n.standards-badges { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }\r\n.std-badge { background: var(--dark); color: var(--white); font-family: 'Poppins', sans-serif; font-size: 11px; font-weight: 700; letter-spacing: 0.3px; padding: 7px 13px; text-align: center; }\r\n.std-badge small { display: block; font-size: 8px; color: rgba(255,255,255,0.45); font-weight: 400; margin-top: 2px; }\r\n\r\n\/* \u2500\u2500 CTA BANNER 1 \u2500\u2500 *\/\r\n.cta-banner { background: var(--dark); padding: 50px 0; position: relative; overflow: hidden; }\r\n.cta-banner::before { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, var(--red) 0%, transparent 50%); opacity: 0.07; }\r\n.cta-banner-inner { position: relative; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 36px; flex-wrap: wrap; }\r\n.cta-banner-logo { height: 44px; object-fit: contain; opacity: 0.85; filter: brightness(10); flex-shrink: 0; }\r\n.cta-banner-text { flex: 1; min-width: 220px; }\r\n.cta-banner-eyebrow { font-size: 9px; font-weight: 700; letter-spacing: 3px; text-transform: uppercase; color: var(--red); margin-bottom: 6px; }\r\n.cta-banner-title { font-family: 'Poppins', sans-serif; font-size: clamp(16px, 2.5vw, 28px); font-weight: 800; color: var(--white); text-transform: uppercase; line-height: 1.2; }\r\n.cta-banner-title span { color: var(--red); }\r\n.cta-banner-actions { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }\r\n.pdf-btn { display: inline-flex; align-items: center; gap: 9px; background: rgba(255,255,255,0.07); border: 1px solid rgba(255,255,255,0.18); color: var(--white); font-family: 'Poppins', sans-serif; font-size: 11px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; padding: 12px 18px; text-decoration: none; transition: all 0.2s; }\r\n.pdf-btn:hover { background: rgba(255,255,255,0.13); border-color: rgba(255,255,255,0.38); }\r\n.pdf-btn-icon { width: 26px; height: 26px; background: var(--red); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }\r\n\r\n\/* \u2500\u2500 COMPARE \u2500\u2500 *\/\r\n.compare-table { width: 100%; border-collapse: collapse; font-size: 18px; margin-top: 36px; }\r\n.compare-table thead tr th { padding: 14px 18px; font-family: 'Poppins', sans-serif; font-size: 22px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.3px; text-align: left; }\r\n.compare-table thead tr th:first-child { background: var(--section-bg); color: var(--mid); }\r\n.compare-table thead tr th:nth-child(2) { background: var(--red); color: var(--white); }\r\n.compare-table thead tr th:nth-child(3) { background: var(--dark); color: var(--white); }\r\n.compare-table tbody tr:nth-child(even) td { background: rgba(0,0,0,0.02); }\r\n.compare-table tbody tr:hover td { background: rgba(215,12,25,0.035); }\r\n.compare-table tbody td { padding: 12px 18px; border-bottom: 1px solid var(--border); color: var(--dark); line-height: 1.5; font-size: 18px; }\r\n.compare-table tbody td:first-child { font-weight: 600; color: var(--mid); font-size: 18px; }\r\n.check-yes { color: #1e9e4d; font-weight: 700; }\r\n.check-no { color: #aaa; }\r\n\r\n\/* \u2500\u2500 WHY PANS \u2500\u2500 *\/\r\n.why-factory-wrap { position: relative; height: 240px; overflow: hidden; margin-bottom: 0; }\r\n.why-factory-wrap img { width: 100%; height: 100%; object-fit: cover; filter: brightness(0.42); }\r\n.why-factory-overlay { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; flex-direction: column; text-align: center; background: linear-gradient(to right, rgba(215,12,25,0.28), rgba(0,0,0,0.18)); }\r\n.why-factory-title { font-family: 'Poppins', sans-serif; font-size: clamp(20px, 3.5vw, 42px); font-weight: 800; color: var(--white); text-transform: uppercase; letter-spacing: 1px; line-height: 1.1; }\r\n.why-factory-title span { color: var(--red); }\r\n.why-factory-sub { font-size: 12px; color: rgba(255,255,255,0.65); margin-top: 8px; font-weight: 400; }\r\n.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; background: var(--border); }\r\n.why-card { background: var(--white); padding: 30px 26px; transition: background 0.2s; }\r\n.why-card:hover { background: var(--dark); }\r\n.why-card:hover .why-card-title, .why-card:hover .why-card-desc { color: rgba(255,255,255,0.65); }\r\n.why-card:hover .why-card-title { color: var(--white); }\r\n.why-card:hover .why-icon-wrap { background: var(--red); }\r\n.why-icon-wrap { width: 46px; height: 46px; background: var(--light); display: flex; align-items: center; justify-content: center; margin-bottom: 16px; transition: background 0.2s; }\r\n.why-card-title { font-family: 'Poppins', sans-serif; font-size: 22px; font-weight: 700; color: var(--dark); text-transform: uppercase; letter-spacing: 0.3px; margin-bottom: 8px; transition: color 0.2s; }\r\n.why-card-desc { font-size: 18px; color: var(--mid); line-height: 1.75; transition: color 0.2s; font-weight: 400; }\r\n\r\n\/* \u2500\u2500 APPLICATIONS \u2500\u2500 *\/\r\n.app-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 36px; }\r\n.app-card { position: relative; overflow: hidden; cursor: default; min-height: 260px; display: flex; flex-direction: column; justify-content: flex-end; }\r\n.app-card-bg { position: absolute; inset: 0; background-size: cover; background-position: center; transition: transform 0.4s ease; }\r\n.app-card:hover .app-card-bg { transform: scale(1.06); }\r\n.app-card-overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(20,20,20,0.92) 30%, rgba(0,0,0,0.28) 100%); }\r\n.app-card::after { content: ''; position: absolute; top: 0; left: 0; width: 3px; height: 100%; background: var(--red); z-index: 3; }\r\n.app-card-content { position: relative; z-index: 2; padding: 20px 18px; }\r\n.app-title { font-family: 'Poppins', sans-serif; font-size: 22px; font-weight: 700; color: var(--white); text-transform: uppercase; letter-spacing: 0.3px; margin-bottom: 5px; }\r\n.app-desc { font-size: 18px; color: rgba(255,255,255,0.62); line-height: 1.6; font-weight: 400; }\r\n.app-tags { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 10px; }\r\n.app-tag { font-size: 9px; background: rgba(255,255,255,0.1); color: rgba(255,255,255,0.55); padding: 2px 8px; letter-spacing: 0.5px; font-weight: 500; }\r\n\r\n\/* \u2500\u2500 CTA BANNER 2 \u2500\u2500 *\/\r\n.cta-banner-2 { background: var(--red); padding: 46px 0; position: relative; overflow: hidden; }\r\n.cta-banner-2::before { content: 'CHECK VALVE'; position: absolute; right: -10px; top: 50%; transform: translateY(-50%); font-family: 'Poppins', sans-serif; font-size: 120px; font-weight: 800; color: rgba(0,0,0,0.09); white-space: nowrap; line-height: 1; pointer-events: none; }\r\n.cta-banner-2-inner { position: relative; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; }\r\n.cta-banner-2-title { font-family: 'Poppins', sans-serif; font-size: clamp(16px, 2.8vw, 30px); font-weight: 800; color: var(--white); text-transform: uppercase; line-height: 1.15; }\r\n.cta-banner-2-sub { font-size: 18px; color: rgba(255,255,255,0.85); margin-top: 6px; font-weight: 400; }\r\n.btn-white { background: var(--white); color: var(--red); }\r\n.btn-white:hover { background: var(--light); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,0,0,0.2); }\r\n\r\n\/* \u2500\u2500 FAQ \u2500\u2500 *\/\r\n.faq-list { margin-top: 44px; }\r\n.faq-item { border-bottom: 1px solid var(--border); }\r\n.faq-question { display: flex; justify-content: space-between; align-items: center; padding: 18px 0; cursor: pointer; font-family: 'Poppins', sans-serif; font-size: 22px; font-weight: 700; color: var(--dark); text-transform: uppercase; letter-spacing: 0.3px; gap: 16px; list-style: none; transition: color 0.2s; }\r\n.faq-question:hover { color: var(--red); }\r\n.faq-question::after { content: '+'; font-size: 22px; font-weight: 300; color: var(--red); flex-shrink: 0; transition: transform 0.2s; }\r\n.faq-item.open .faq-question::after { transform: rotate(45deg); }\r\n.faq-answer { font-size: 18px; color: var(--mid); line-height: 1.8; padding-bottom: 18px; display: none; max-width: 800px; font-weight: 400; }\r\n.faq-item.open .faq-answer { display: block; 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transform: translateY(22px); transition: opacity 0.5s ease, transform 0.5s ease; }\r\n.fade-up.visible { opacity: 1; transform: translateY(0); }\r\n\r\n\/* \u2500\u2500 RESPONSIVE \u2500\u2500 *\/\r\n@media (max-width: 1024px) {\r\n .hero-inner { grid-template-columns: 1fr; }\r\n .hero-product-img { display: none; }\r\n .products-grid, .why-grid { grid-template-columns: repeat(2, 1fr); }\r\n .app-grid { grid-template-columns: repeat(2, 1fr); }\r\n .cert-imgs-grid { grid-template-columns: repeat(2, 1fr); }\r\n}\r\n@media (max-width: 768px) {\r\n .what-grid, .specs-wrap, .contact-grid { display: block; }\r\n .specs-wrap > *:first-child, .contact-grid > *:first-child { margin-bottom: 32px; }\r\n .products-grid, .why-grid, .app-grid, .related-grid { grid-template-columns: 1fr; }\r\n .header-nav { display: none; }\r\n .form-row { grid-template-columns: 1fr; }\r\n .topbar { display: none; }\r\n .cta-banner-inner { flex-direction: column; align-items: flex-start; }\r\n}\r\n<\/style>\r\n<\/head>\r\n<body>\r\n\r\n<section class=\"hero\">\r\n <div class=\"container\" style=\"width:100%;\">\r\n <div class=\"hero-inner\">\r\n <div>\r\n <div class=\"hero-breadcrumb\">\r\n <a href=\"https:\/\/www.pansvalve.com\/check-valve-factory\/\" target=\"_blank\">Check Valve<\/a>\r\n <span>\u203a<\/span><span>Wafer Type<\/span>\r\n <\/div>\r\n <div class=\"hero-tag\">China Factory Direct<\/div>\r\n <h1>Wafer Type<br><em>Check Valve<\/em><br>Manufacturer<\/h1>\r\n <p class=\"hero-sub\">API594 Certified \u00b7 36+ Years Experience \u00b7 Ships to 10+ Countries<\/p>\r\n <p class=\"hero-desc\">PANS Valve is a professional <strong style=\"color:#fff;\">wafer type check valve manufacturer<\/strong> based in Wenzhou, China. We supply dual plate, swing, spring-loaded and silent check valve wafer type products \u2014 engineered for reliable backflow prevention in oil & gas, petrochemical, power generation, and water treatment systems.<\/p>\r\n <div class=\"hero-actions\">\r\n <a href=\"https:\/\/www.pansvalve.com\/contact-us\/\" target=\"_blank\" class=\"btn btn-primary\">\r\n <svg width=\"14\" height=\"14\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" viewBox=\"0 0 24 24\"><path d=\"M22 16.92v3a2 2 0 01-2.18 2 19.79 19.79 0 01-8.63-3.07 19.5 19.5 0 01-6-6 19.79 19.79 0 01-3.07-8.67A2 2 0 014.11 2h3a2 2 0 012 1.72c.127.96.361 1.903.7 2.81a2 2 0 01-.45 2.11L8.09 9.91a16 16 0 006 6l1.27-1.27a2 2 0 012.11-.45c.907.339 1.85.573 2.81.7A2 2 0 0122 16.92z\"\/><\/svg>\r\n Get A Free Quote\r\n <\/a>\r\n <a href=\"https:\/\/www.pansvalve.com\/products\/wafer-type-check-valve\/\" target=\"_blank\" class=\"btn btn-outline\">View Product Details \u2192<\/a>\r\n <\/div>\r\n <div class=\"hero-stats\">\r\n <div class=\"hero-stat\"><strong class=\"hero-stat-num\">36+<\/strong><span class=\"hero-stat-label\">Years Experience<\/span><\/div>\r\n <div class=\"hero-stat\"><strong class=\"hero-stat-num\">5<\/strong><span class=\"hero-stat-label\">Production Bases<\/span><\/div>\r\n <div class=\"hero-stat\"><strong class=\"hero-stat-num\">3,000T<\/strong><span class=\"hero-stat-label\">Annual Output<\/span><\/div>\r\n <div class=\"hero-stat\"><strong class=\"hero-stat-num\">24H<\/strong><span class=\"hero-stat-label\">Quote Delivery<\/span><\/div>\r\n <\/div>\r\n <\/div>\r\n <div class=\"hero-product-img\">\r\n <img decoding=\"async\" src=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2022\/04\/6.jpg\" alt=\"Wafer Type Check Valve \u2013 PANS Valve China Manufacturer\">\r\n <div class=\"hero-img-badge\">API 594 Certified<\/div>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n<\/section>\r\n\r\n<div class=\"cert-bar\">\r\n <div class=\"container\">\r\n <div class=\"cert-items\">\r\n <div class=\"cert-item\">\r\n <svg width=\"15\" height=\"15\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" viewBox=\"0 0 24 24\"><path d=\"M9 11l3 3L22 4\"\/><path d=\"M21 12v7a2 2 0 01-2 2H5a2 2 0 01-2-2V5a2 2 0 012-2h11\"\/><\/svg>\r\n <span class=\"cert-badge\">API 594<\/span> Design Standard\r\n <\/div>\r\n <div class=\"cert-item\">\r\n <svg width=\"15\" height=\"15\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" viewBox=\"0 0 24 24\"><path d=\"M9 11l3 3L22 4\"\/><path d=\"M21 12v7a2 2 0 01-2 2H5a2 2 0 01-2-2V5a2 2 0 012-2h11\"\/><\/svg>\r\n <span class=\"cert-badge\">ISO 9001<\/span> Quality Management\r\n <\/div>\r\n <div class=\"cert-item\">\r\n <svg width=\"15\" height=\"15\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" viewBox=\"0 0 24 24\"><path d=\"M9 11l3 3L22 4\"\/><path d=\"M21 12v7a2 2 0 01-2 2H5a2 2 0 01-2-2V5a2 2 0 012-2h11\"\/><\/svg>\r\n <span class=\"cert-badge\">CE \/ TUV<\/span> European Approved\r\n <\/div>\r\n <div class=\"cert-item\">\r\n <svg width=\"15\" height=\"15\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" viewBox=\"0 0 24 24\"><path d=\"M9 11l3 3L22 4\"\/><path d=\"M21 12v7a2 2 0 01-2 2H5a2 2 0 01-2-2V5a2 2 0 012-2h11\"\/><\/svg>\r\n <span class=\"cert-badge\">API 598<\/span> Test & Inspection\r\n <\/div>\r\n <\/div>\r\n <a href=\"https:\/\/www.pansvalve.com\/quality-control\/\" target=\"_blank\" style=\"font-size:10px;color:rgba(255,255,255,0.8);text-decoration:none;font-weight:700;letter-spacing:1px;text-transform:uppercase;\">View Certifications \u2192<\/a>\r\n <\/div>\r\n<\/div>\r\n\r\n<section class=\"section\">\r\n <div class=\"container\">\r\n <div class=\"what-grid\">\r\n <div class=\"fade-up\">\r\n <div class=\"video-wrap\" style=\"aspect-ratio: 4 \/ 3; width: 100%; height: auto; display: flex !important; align-items: center !important; justify-content: center !important; overflow: hidden; background: #fff; border-radius: 8px; border: 1px solid #f0f0f0; box-shadow: 0 4px 25px rgba(0,0,0,0.04); padding: 20px;\">\r\n <img decoding=\"async\" src=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/20260416-092039.webp\" alt=\"Industrial Wafer Type Check Valve - PANS Valve China\" style=\"max-width: 90% !important; max-height: 90% !important; object-fit: contain !important; display: block; margin: 0 auto;\">\r\n <\/div>\r\n <p class=\"video-label\">Wafer Type Check Valve Detail \u2014 PANS Valve<\/p>\r\n <\/div>\r\n <div class=\"fade-up\" style=\"transition-delay:0.15s\">\r\n <div class=\"tag\">Product Knowledge<\/div>\r\n <h2 class=\"section-title\">What Is a <span>Wafer Type<\/span> Check Valve?<\/h2>\r\n <p class=\"section-lead\" style=\"margin-bottom:16px;\">A <strong>wafer type check valve<\/strong> (also referred to as a <em>check valve wafer type<\/em> or <em>check valve type wafer<\/em>) is a compact non-return valve designed to be clamped between two pipeline flanges using through-bolts \u2014 without requiring bolt holes in the valve body itself.<\/p>\r\n <p style=\"font-size:18px;color:var(--mid);line-height:1.85;margin-bottom:18px;font-weight:400;\">The valve operates automatically: forward flow pressure opens the disc(s), and when flow stops or reverses, spring force rapidly closes the discs \u2014 preventing backflow and eliminating water hammer. Its slim, disc-like profile makes it significantly lighter and more compact than traditional flanged check valves.<\/p>\r\n <div class=\"key-chars\">\r\n <div class=\"key-char\"><div class=\"key-char-icon\">\u26a1<\/div><div><div class=\"key-char-title\">Fast Auto-Close<\/div><div class=\"key-char-desc\">Spring-loaded discs close instantly on flow reversal<\/div><\/div><\/div>\r\n <div class=\"key-char\"><div class=\"key-char-icon\">\u2696<\/div><div><div class=\"key-char-title\">Lightweight & Compact<\/div><div class=\"key-char-desc\">Short face-to-face; ideal for space-constrained systems<\/div><\/div><\/div>\r\n <div class=\"key-char\"><div class=\"key-char-icon\">\u2195<\/div><div><div class=\"key-char-title\">Flexible Installation<\/div><div class=\"key-char-desc\">Horizontal or vertical pipeline mounting<\/div><\/div><\/div>\r\n <div class=\"key-char\"><div class=\"key-char-icon\">\ud83d\udd29<\/div><div><div class=\"key-char-title\">Easy Maintenance<\/div><div class=\"key-char-desc\">Simple structure, no external actuation required<\/div><\/div><\/div>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n<\/section>\r\n\r\n<section class=\"section-alt\">\r\n <div class=\"container\">\r\n <div class=\"tag fade-up\">Product Series<\/div>\r\n <h2 class=\"section-title fade-up\">Our <span>Wafer Type Check Valve<\/span> Series<\/h2>\r\n <p class=\"section-lead fade-up\">From standard dual plate wafer check valves to customized high-pressure tilting disc models \u2014 PANS manufactures the full range of <em>wafer type check valves<\/em> to meet diverse industrial specifications.<\/p>\r\n <div class=\"products-grid\">\r\n <a href=\"https:\/\/www.pansvalve.com\/products\/wafer-type-check-valve\/\" target=\"_blank\" class=\"product-card fade-up\">\r\n <div class=\"product-card-num\">01<\/div>\r\n <div class=\"product-card-name\">Dual Plate Wafer Check Valve<\/div>\r\n <div class=\"product-card-material\">WCB \u00b7 SS316 \u00b7 Cast Iron<\/div>\r\n <p class=\"product-card-desc\">Twin spring-loaded discs with low pressure drop. The most popular <strong>dual plate wafer type check valve<\/strong> for water, gas and oil pipelines.<\/p>\r\n <span class=\"product-card-link\">Learn More \u2192<\/span>\r\n <\/a>\r\n <a href=\"https:\/\/www.pansvalve.com\/products\/wafer-type-check-valve\/\" target=\"_blank\" class=\"product-card fade-up\" style=\"transition-delay:0.05s\">\r\n <div class=\"product-card-num\">02<\/div>\r\n <div class=\"product-card-name\">Swing Wafer Type Check Valve<\/div>\r\n <div class=\"product-card-material\">Cast Iron \u00b7 Carbon Steel<\/div>\r\n <p class=\"product-card-desc\">Single disc gravity-close design. Ideal for low-velocity systems. This <strong>swing check valve wafer type<\/strong> suits horizontal installation.<\/p>\r\n <span class=\"product-card-link\">Learn More \u2192<\/span>\r\n <\/a>\r\n <a href=\"https:\/\/www.pansvalve.com\/products\/wafer-type-check-valve\/\" target=\"_blank\" class=\"product-card fade-up\" style=\"transition-delay:0.1s\">\r\n <div class=\"product-card-num\">03<\/div>\r\n <div class=\"product-card-name\">Spring-Loaded Wafer Check Valve<\/div>\r\n <div class=\"product-card-material\">SS304 \u00b7 SS316 \u00b7 WCB<\/div>\r\n <p class=\"product-card-desc\">Fast-closing <strong>wafer type spring check valve<\/strong> engineered to eliminate water hammer in high-velocity pump discharge lines.<\/p>\r\n <span class=\"product-card-link\">Learn More \u2192<\/span>\r\n <\/a>\r\n <a href=\"https:\/\/www.pansvalve.com\/products\/wafer-type-check-valve\/\" target=\"_blank\" class=\"product-card fade-up\" style=\"transition-delay:0.15s\">\r\n <div class=\"product-card-num\">04<\/div>\r\n <div class=\"product-card-name\">Non-Slam Silent Check Valve<\/div>\r\n <div class=\"product-card-material\">SS304 \u00b7 SS316 \u00b7 Carbon Steel<\/div>\r\n <p class=\"product-card-desc\"><strong>Wafer type non slam check valve<\/strong> with spring-assisted silent closure. Minimizes vibration and noise in HVAC and building systems.<\/p>\r\n <span class=\"product-card-link\">Learn More \u2192<\/span>\r\n <\/a>\r\n <a href=\"https:\/\/www.pansvalve.com\/products\/wafer-type-check-valve\/\" target=\"_blank\" class=\"product-card fade-up\" style=\"transition-delay:0.2s\">\r\n <div class=\"product-card-num\">05<\/div>\r\n <div class=\"product-card-name\">Tilting Disc Wafer Check Valve<\/div>\r\n <div class=\"product-card-material\">Carbon Steel \u00b7 Alloy Steel<\/div>\r\n <p class=\"product-card-desc\"><strong>Wafer type tilting disc check valve<\/strong> for high-pressure, high-temperature applications. Low flow resistance, superior sealing.<\/p>\r\n <span class=\"product-card-link\">Learn More \u2192<\/span>\r\n <\/a>\r\n <a href=\"https:\/\/www.pansvalve.com\/products\/wafer-type-check-valve\/\" target=\"_blank\" class=\"product-card fade-up\" style=\"transition-delay:0.25s\">\r\n <div class=\"product-card-num\">06<\/div>\r\n <div class=\"product-card-name\">CI \/ SS Wafer Check Valve<\/div>\r\n <div class=\"product-card-material\">GG25 Cast Iron \u00b7 SS316L<\/div>\r\n <p class=\"product-card-desc\"><strong>CI wafer type check valve<\/strong> for municipal water. SS316L option for corrosive media in chemical and food processing industries.<\/p>\r\n <span class=\"product-card-link\">Learn More \u2192<\/span>\r\n <\/a>\r\n <\/div>\r\n <div style=\"text-align:center;margin-top:32px;\">\r\n <a href=\"https:\/\/www.pansvalve.com\/check-valve-factory\/\" target=\"_blank\" class=\"btn btn-outline-dark\">View All Check Valves \u2192<\/a>\r\n <\/div>\r\n <\/div>\r\n<\/section>\r\n\r\n<section class=\"section\">\r\n <div class=\"container\">\r\n <div class=\"specs-wrap\">\r\n <div class=\"fade-up\">\r\n <div class=\"tag\">Technical Data<\/div>\r\n <h2 class=\"section-title\">Wafer Type Check Valve <span>Specifications<\/span><\/h2>\r\n <p style=\"font-size:18px;color:var(--mid);line-height:1.85;margin-bottom:22px;font-weight:400;\">All PANS <em>wafer type check valves<\/em> are manufactured and tested in accordance with internationally recognized standards. Custom sizes and pressure ratings are available on request.<\/p>\r\n <table class=\"specs-table\">\r\n <thead><tr><th>Parameter<\/th><th>Specification<\/th><\/tr><\/thead>\r\n <tbody>\r\n <tr><td>Design Standard<\/td><td>API 594, API 6D<\/td><\/tr>\r\n <tr><td>Face-to-Face<\/td><td>API 594, DIN 3202<\/td><\/tr>\r\n <tr><td>Flange Standard<\/td><td>ASME B16.5, MSS SP-44<\/td><\/tr>\r\n <tr><td>Test Standard<\/td><td>API 598<\/td><\/tr>\r\n <tr><td>Size Range<\/td><td>2\u2033 \u2013 36\u2033 (DN50 \u2013 DN900)<\/td><\/tr>\r\n <tr><td>Pressure Class<\/td><td>150LB \u2013 600LB; PN10 \u2013 PN40<\/td><\/tr>\r\n <tr><td>Body Material<\/td><td>WCB, CF8, CF8M, LCB, GG25<\/td><\/tr>\r\n <tr><td>Disc Material<\/td><td>WCB, SS304, SS316<\/td><\/tr>\r\n <tr><td>Seat \/ Seal<\/td><td>PTFE, Metal, EPDM, NBR<\/td><\/tr>\r\n <tr><td>Temperature Range<\/td><td>-29\u00b0C to +425\u00b0C<\/td><\/tr>\r\n <tr><td>Installation<\/td><td>Horizontal \/ Vertical<\/td><\/tr>\r\n <\/tbody>\r\n <\/table>\r\n <\/div>\r\n <div class=\"fade-up\" style=\"transition-delay:0.15s\">\r\n <div class=\"tag\">Compliance<\/div>\r\n <h3 style=\"font-family:'Poppins',sans-serif;font-size:24px;font-weight:800;text-transform:uppercase;margin-bottom:12px;color:var(--dark);line-height:1.2;\">Standards & <span style=\"color:var(--red)\">Certifications<\/span><\/h3>\r\n <p style=\"font-size:18px;color:var(--mid);line-height:1.85;margin-bottom:18px;font-weight:400;\">PANS <strong>wafer type check valves<\/strong> meet the strictest global procurement requirements \u2014 approved for Europe, North America, and Middle East markets.<\/p>\r\n\r\n <div class=\"cert-imgs-grid\">\r\n <div class=\"cert-img-card\">\r\n <img decoding=\"async\" src=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2022\/03\/GATE-VALVE-15848.jpg\" alt=\"PANS Valve Gate Valve API Certificate\" loading=\"lazy\">\r\n <\/div>\r\n <div class=\"cert-img-card\">\r\n <img decoding=\"async\" src=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2022\/03\/ISO14001.jpg\" alt=\"PANS Valve ISO 14001 Environmental Certificate\" loading=\"lazy\">\r\n <\/div>\r\n <div class=\"cert-img-card\">\r\n <img decoding=\"async\" src=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2022\/03\/9001.jpg\" alt=\"PANS Valve ISO 9001 Quality Certificate\" loading=\"lazy\">\r\n <\/div>\r\n <div class=\"cert-img-card\">\r\n <img decoding=\"async\" src=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2022\/03\/BALL-VALVE-158482.jpg\" alt=\"PANS Valve Ball Valve API Certificate\" loading=\"lazy\">\r\n <\/div>\r\n <\/div>\r\n\r\n <div class=\"standards-badges\">\r\n <div class=\"std-badge\">API 594<small>Design & Manufacture<\/small><\/div>\r\n <div class=\"std-badge\">API 6D<small>Pipeline Valves<\/small><\/div>\r\n <div class=\"std-badge\">API 598<small>Valve Testing<\/small><\/div>\r\n <div class=\"std-badge\">ASME B16.5<small>Flanged Fittings<\/small><\/div>\r\n <div class=\"std-badge\">ISO 9001<small>Quality Mgmt<\/small><\/div>\r\n <div class=\"std-badge\">ISO 14001<small>Environmental<\/small><\/div>\r\n <div class=\"std-badge\">CE \/ TUV<small>EU Compliance<\/small><\/div>\r\n <\/div>\r\n\r\n <div style=\"margin-top:20px;padding:18px;background:var(--section-bg);border-left:4px solid var(--red)\">\r\n <p style=\"font-size:18px;color:var(--mid);line-height:1.8;margin:0;font-weight:400;\"><strong style=\"color:var(--dark);font-weight:700;\">Custom Engineering Available:<\/strong> PANS accepts OEM\/ODM orders with tailored body materials, pressure classes, face-to-face dimensions, and end-user tagging.<\/p>\r\n <a href=\"https:\/\/www.pansvalve.com\/contact-us\/\" target=\"_blank\" style=\"display:inline-flex;align-items:center;gap:6px;margin-top:10px;font-size:10px;font-weight:700;color:var(--red);text-decoration:none;text-transform:uppercase;letter-spacing:1px;\">Request Custom Quote \u2192<\/a>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n<\/section>\r\n\r\n<div class=\"cta-banner\">\r\n <div class=\"container\">\r\n <div class=\"cta-banner-inner\">\r\n <img decoding=\"async\" src=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2022\/04\/%E6%B5%99%E4%B8%9C2.png\" alt=\"PANS Valve\" class=\"cta-banner-logo\">\r\n <div class=\"cta-banner-text\">\r\n <div class=\"cta-banner-eyebrow\">Free Download<\/div>\r\n <div class=\"cta-banner-title\">Download the <span>Wafer Type Check Valve<\/span> Data Sheet & PDF Catalog<\/div>\r\n <\/div>\r\n <div class=\"cta-banner-actions\">\r\n <a href=\"https:\/\/www.pansvalve.com\/download\/\" target=\"_blank\" class=\"pdf-btn\">\r\n <div class=\"pdf-btn-icon\">\r\n <svg width=\"13\" height=\"13\" fill=\"none\" stroke=\"white\" stroke-width=\"2.5\" viewBox=\"0 0 24 24\"><path d=\"M21 15v4a2 2 0 01-2 2H5a2 2 0 01-2-2v-4\"\/><polyline points=\"7 10 12 15 17 10\"\/><line x1=\"12\" y1=\"15\" x2=\"12\" y2=\"3\"\/><\/svg>\r\n <\/div>\r\n Wafer Check Valve PDF\r\n <\/a>\r\n <a href=\"https:\/\/www.pansvalve.com\/download\/\" target=\"_blank\" class=\"pdf-btn\">\r\n <div class=\"pdf-btn-icon\">\r\n <svg width=\"13\" height=\"13\" fill=\"none\" stroke=\"white\" stroke-width=\"2.5\" viewBox=\"0 0 24 24\"><path d=\"M14 2H6a2 2 0 00-2 2v16a2 2 0 002 2h12a2 2 0 002-2V8z\"\/><polyline points=\"14 2 14 8 20 8\"\/><line x1=\"16\" y1=\"13\" x2=\"8\" y2=\"13\"\/><line x1=\"16\" y1=\"17\" x2=\"8\" y2=\"17\"\/><\/svg>\r\n <\/div>\r\n Valve Data Sheet Download\r\n <\/a>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n<\/div>\r\n\r\n<section class=\"section-alt\">\r\n <div class=\"container\">\r\n <div class=\"tag fade-up\">Buyer's Guide<\/div>\r\n <h2 class=\"section-title fade-up\">Wafer Type vs Lug Type <span>Check Valve<\/span>: Key Differences<\/h2>\r\n <p class=\"section-lead fade-up\">Understanding the difference between <strong>wafer and lug type check valves<\/strong> is essential for correct valve selection. The table below helps engineers and procurement teams choose the right design.<\/p>\r\n <table class=\"compare-table fade-up\" style=\"transition-delay:0.1s\">\r\n <thead>\r\n <tr>\r\n <th>Feature<\/th>\r\n <th>Wafer Type Check Valve<\/th>\r\n <th>Lug Type Check Valve<\/th>\r\n <\/tr>\r\n <\/thead>\r\n <tbody>\r\n <tr><td>Mounting Method<\/td><td>Clamped between flanges with through-bolts<\/td><td>Threaded lugs bolted to each flange separately<\/td><\/tr>\r\n <tr><td>Weight<\/td><td class=\"check-yes\">\u2714 Lighter \u2014 preferred for weight-sensitive systems<\/td><td class=\"check-no\">Heavier body due to lug bosses<\/td><\/tr>\r\n <tr><td>End-of-Line Service<\/td><td class=\"check-no\">\u2718 Not suitable \u2014 requires flanges on both sides<\/td><td class=\"check-yes\">\u2714 Suitable for dead-end \/ isolation service<\/td><\/tr>\r\n <tr><td>Installation Cost<\/td><td class=\"check-yes\">\u2714 Lower \u2014 fewer bolts, simpler assembly<\/td><td class=\"check-no\">Higher due to additional hardware<\/td><\/tr>\r\n <tr><td>Space Required<\/td><td class=\"check-yes\">\u2714 Compact \u2014 minimal face-to-face dimension<\/td><td class=\"check-no\">Larger footprint<\/td><\/tr>\r\n <tr><td>Best Application<\/td><td>General pipelines, pumps, HVAC, water treatment<\/td><td>Dead-end piping, isolation between systems<\/td><\/tr>\r\n <tr><td>Typical Price<\/td><td class=\"check-yes\">\u2714 More economical<\/td><td class=\"check-no\">Higher unit cost<\/td><\/tr>\r\n <\/tbody>\r\n <\/table>\r\n <div style=\"margin-top:26px;text-align:center;\">\r\n <a href=\"https:\/\/www.pansvalve.com\/contact-us\/\" target=\"_blank\" class=\"btn btn-primary\">Need Help Selecting? Contact Our Engineers \u2192<\/a>\r\n <\/div>\r\n <\/div>\r\n<\/section>\r\n\r\n<section class=\"section\" style=\"padding-bottom:0;\">\r\n <div class=\"container\">\r\n <div class=\"tag fade-up\">Why PANS<\/div>\r\n <h2 class=\"section-title fade-up\">Why Source <span>Wafer Check Valves<\/span> from PANS?<\/h2>\r\n <p class=\"section-lead fade-up\" style=\"margin-bottom:36px;\">As a dedicated <strong>wafer type check valve manufacturer in China<\/strong>, PANS Valve combines 36+ years of precision manufacturing with ISO-certified quality systems.<\/p>\r\n <\/div>\r\n <div class=\"why-factory-wrap fade-up\">\r\n <img decoding=\"async\" src=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2022\/03\/%E7%BB%84-2826.jpg\" alt=\"PANS Valve Factory \u2013 Wenzhou China\">\r\n <div class=\"why-factory-overlay\">\r\n <div class=\"why-factory-title\">PANS <span>Factory<\/span><\/div>\r\n <div class=\"why-factory-sub\">25,000 m\u00b2 \u00b7 5 Production Bases \u00b7 Wenzhou, China \u00b7 Est. 1985<\/div>\r\n <\/div>\r\n <\/div>\r\n <div class=\"container\" style=\"padding-top:0;\">\r\n <div class=\"why-grid\">\r\n <div class=\"why-card fade-up\">\r\n <div class=\"why-icon-wrap\"><svg width=\"20\" height=\"20\" fill=\"none\" stroke=\"#d70c19\" stroke-width=\"2\" viewBox=\"0 0 24 24\"><path d=\"M12 2L2 7l10 5 10-5-10-5z\"\/><path d=\"M2 17l10 5 10-5\"\/><path d=\"M2 12l10 5 10-5\"\/><\/svg><\/div>\r\n <div class=\"why-card-title\">36+ Years Experience<\/div>\r\n <div class=\"why-card-desc\">Founded in 1985 in Wenzhou, China \u2014 PANS has deep expertise in engineering products for demanding global markets.<\/div>\r\n <\/div>\r\n <div class=\"why-card fade-up\" style=\"transition-delay:0.05s\">\r\n <div class=\"why-icon-wrap\"><svg width=\"20\" height=\"20\" fill=\"none\" stroke=\"#d70c19\" stroke-width=\"2\" viewBox=\"0 0 24 24\"><path d=\"M9 11l3 3L22 4\"\/><path d=\"M21 12v7a2 2 0 01-2 2H5a2 2 0 01-2-2V5a2 2 0 012-2h11\"\/><\/svg><\/div>\r\n <div class=\"why-card-title\">API594 \/ ISO Certified<\/div>\r\n <div class=\"why-card-desc\">All wafer type check valves manufactured to API 594, API 598, ISO 9001, CE and TUV standards.<\/div>\r\n <\/div>\r\n <div class=\"why-card fade-up\" style=\"transition-delay:0.1s\">\r\n <div class=\"why-icon-wrap\"><svg width=\"20\" height=\"20\" fill=\"none\" stroke=\"#d70c19\" stroke-width=\"2\" viewBox=\"0 0 24 24\"><rect x=\"2\" y=\"3\" width=\"20\" height=\"14\" rx=\"2\"\/><line x1=\"8\" y1=\"21\" x2=\"16\" y2=\"21\"\/><line x1=\"12\" y1=\"17\" x2=\"12\" y2=\"21\"\/><\/svg><\/div>\r\n <div class=\"why-card-title\">5 Production Bases<\/div>\r\n <div class=\"why-card-desc\">25,000 m\u00b2 of workshop space with dedicated API valve, ball valve, butterfly valve production lines.<\/div>\r\n <\/div>\r\n <div class=\"why-card fade-up\" style=\"transition-delay:0.15s\">\r\n <div class=\"why-icon-wrap\"><svg width=\"20\" height=\"20\" fill=\"none\" stroke=\"#d70c19\" stroke-width=\"2\" viewBox=\"0 0 24 24\"><circle cx=\"12\" cy=\"12\" r=\"10\"\/><polyline points=\"12 6 12 12 16 14\"\/><\/svg><\/div>\r\n <div class=\"why-card-title\">24H Quote \/ 20-Day Delivery<\/div>\r\n <div class=\"why-card-desc\">Receive detailed quotation and drawings within 24 hours. Most orders ship within 20 days.<\/div>\r\n <\/div>\r\n <div class=\"why-card fade-up\" style=\"transition-delay:0.2s\">\r\n <div class=\"why-icon-wrap\"><svg width=\"20\" height=\"20\" fill=\"none\" stroke=\"#d70c19\" stroke-width=\"2\" viewBox=\"0 0 24 24\"><path d=\"M12 20h9\"\/><path d=\"M16.5 3.5a2.121 2.121 0 013 3L7 19l-4 1 1-4L16.5 3.5z\"\/><\/svg><\/div>\r\n <div class=\"why-card-title\">OEM \/ Custom Solutions<\/div>\r\n <div class=\"why-card-desc\">Customized materials, non-standard sizes, and bespoke face-to-face dimensions accepted.<\/div>\r\n <\/div>\r\n <div class=\"why-card fade-up\" style=\"transition-delay:0.25s\">\r\n <div class=\"why-icon-wrap\"><svg width=\"20\" height=\"20\" fill=\"none\" stroke=\"#d70c19\" stroke-width=\"2\" viewBox=\"0 0 24 24\"><circle cx=\"12\" cy=\"12\" r=\"10\"\/><line x1=\"2\" y1=\"12\" x2=\"22\" y2=\"12\"\/><path d=\"M12 2a15.3 15.3 0 010 20M12 2a15.3 15.3 0 000 20\"\/><\/svg><\/div>\r\n <div class=\"why-card-title\">Global Export Experience<\/div>\r\n <div class=\"why-card-desc\">Serving EPC contractors in 10+ countries including UK, Germany, UAE, and Saudi Arabia.<\/div>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n<\/section>\r\n\r\n<section class=\"section-alt\">\r\n <div class=\"container\">\r\n <div class=\"tag fade-up\">Industries Served<\/div>\r\n <h2 class=\"section-title fade-up\">Where Are <span>Wafer Type Check Valves<\/span> Used?<\/h2>\r\n <p class=\"section-lead fade-up\">PANS wafer type check valves are trusted in critical infrastructure across multiple industries worldwide.<\/p>\r\n <div class=\"app-grid\">\r\n <div class=\"app-card fade-up\">\r\n <div class=\"app-card-bg\" style=\"background-image:url('https:\/\/images.unsplash.com\/photo-1518709268805-4e9042af9f23?w=800&q=80');\"><\/div>\r\n <div class=\"app-card-overlay\"><\/div>\r\n <div class=\"app-card-content\">\r\n <div class=\"app-title\">Oil & Gas<\/div>\r\n <div class=\"app-desc\">Upstream pipelines, refineries, and LNG terminals rely on PANS check valves.<\/div>\r\n <div class=\"app-tags\"><span class=\"app-tag\">Refinery<\/span><span class=\"app-tag\">LNG<\/span><\/div>\r\n <\/div>\r\n <\/div>\r\n <div class=\"app-card fade-up\" style=\"transition-delay:0.05s\">\r\n <div class=\"app-card-bg\" style=\"background-image:url('https:\/\/images.unsplash.com\/photo-1497435334941-8c899ee9e8e9?w=800&q=80');\"><\/div>\r\n <div class=\"app-card-overlay\"><\/div>\r\n <div class=\"app-card-content\">\r\n <div class=\"app-title\">Petrochemical<\/div>\r\n <div class=\"app-desc\">Process lines with corrosive media use SS316 or alloy steel wafer check valves.<\/div>\r\n <div class=\"app-tags\"><span class=\"app-tag\">Corrosive Media<\/span><span class=\"app-tag\">High Temp<\/span><\/div>\r\n <\/div>\r\n <\/div>\r\n <div class=\"app-card fade-up\" style=\"transition-delay:0.1s\">\r\n <div class=\"app-card-bg\" style=\"background-image:url('https:\/\/images.unsplash.com\/photo-1581244277943-fe4a9c777189?w=800&q=80');\"><\/div>\r\n <div class=\"app-card-overlay\"><\/div>\r\n <div class=\"app-card-content\">\r\n <div class=\"app-title\">Water Treatment<\/div>\r\n <div class=\"app-desc\">Municipal water supply and sewage pumping stations use CI wafer check valves.<\/div>\r\n <div class=\"app-tags\"><span class=\"app-tag\">Municipal<\/span><span class=\"app-tag\">Desalination<\/span><\/div>\r\n <\/div>\r\n <\/div>\r\n <div class=\"app-card fade-up\" style=\"transition-delay:0.15s\">\r\n <div class=\"app-card-bg\" style=\"background-image:url('https:\/\/images.unsplash.com\/photo-1466611653911-95081537e5b7?w=800&q=80');\"><\/div>\r\n <div class=\"app-card-overlay\"><\/div>\r\n <div class=\"app-card-content\">\r\n <div class=\"app-title\">Power Generation<\/div>\r\n <div class=\"app-desc\">Boiler feedwater and steam condensate systems specify low pressure-drop valves.<\/div>\r\n <div class=\"app-tags\"><span class=\"app-tag\">Boiler Feed<\/span><span class=\"app-tag\">Steam<\/span><\/div>\r\n <\/div>\r\n <\/div>\r\n <div class=\"app-card fade-up\" style=\"transition-delay:0.2s\">\r\n <div class=\"app-card-bg\" style=\"background-image:url('https:\/\/images.unsplash.com\/photo-1558618666-fcd25c85cd64?w=800&q=80');\"><\/div>\r\n <div class=\"app-card-overlay\"><\/div>\r\n <div class=\"app-card-content\">\r\n <div class=\"app-title\">HVAC & Building<\/div>\r\n <div class=\"app-desc\">Commercial buildings use silent wafer type non slam check valves.<\/div>\r\n <div class=\"app-tags\"><span class=\"app-tag\">Chilled Water<\/span><span class=\"app-tag\">HVAC<\/span><\/div>\r\n <\/div>\r\n <\/div>\r\n <div class=\"app-card fade-up\" style=\"transition-delay:0.25s\">\r\n <div class=\"app-card-bg\" style=\"background-image:url('https:\/\/images.unsplash.com\/photo-1559757175-0eb30cd8c063?w=800&q=80');\"><\/div>\r\n <div class=\"app-card-overlay\"><\/div>\r\n <div class=\"app-card-content\">\r\n <div class=\"app-title\">Food & Pharma<\/div>\r\n <div class=\"app-desc\">SS316L sanitary-grade valves meet pharmaceutical GMP requirements.<\/div>\r\n <div class=\"app-tags\"><span class=\"app-tag\">SS316L<\/span><span class=\"app-tag\">Sanitary<\/span><\/div>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n<\/section>\r\n\r\n<div class=\"cta-banner-2\">\r\n <div class=\"container\">\r\n <div class=\"cta-banner-2-inner\">\r\n <div>\r\n <div class=\"cta-banner-2-title\">Request Factory-Direct Pricing on<br>Wafer Type Check Valves<\/div>\r\n <div class=\"cta-banner-2-sub\">Quotation & engineering drawings delivered within 24 hours.<\/div>\r\n <\/div>\r\n <div style=\"display:flex;gap:12px;flex-wrap:wrap;\">\r\n <a href=\"https:\/\/www.pansvalve.com\/contact-us\/\" target=\"_blank\" class=\"btn btn-white\">Get A Quote Now<\/a>\r\n <a href=\"https:\/\/www.pansvalve.com\/download\/\" target=\"_blank\" class=\"btn\" style=\"background:rgba(0,0,0,0.18);color:white;border:2px solid rgba(255,255,255,0.38);\">Download Data Sheet<\/a>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n<\/div>\r\n\r\n<section class=\"section\">\r\n <div class=\"container\">\r\n <div style=\"max-width:840px;margin:0 auto;\">\r\n <div class=\"tag fade-up\">FAQ<\/div>\r\n <h2 class=\"section-title fade-up\">Frequently Asked Questions<\/h2>\r\n <div class=\"faq-list fade-up\" style=\"transition-delay:0.1s\">\r\n <div class=\"faq-item open\">\r\n <div class=\"faq-question\">What is a wafer type check valve?<\/div>\r\n <div class=\"faq-answer\">A wafer type check valve is a non-return valve clamped between two pipe flanges using through-bolts. Its compact profile makes it lighter and shorter than conventional check valves.<\/div>\r\n <\/div>\r\n <div class=\"faq-item\">\r\n <div class=\"faq-question\">What are the main types of wafer check valves?<\/div>\r\n <div class=\"faq-answer\">The main types include: dual plate wafer check valve, swing wafer type check valve, spring loaded wafer check valve, and silent non-slam check valves.<\/div>\r\n <\/div>\r\n <div class=\"faq-item\">\r\n <div class=\"faq-question\">What is the difference between wafer type and lug type check valves?<\/div>\r\n <div class=\"faq-answer\">Wafer valves are clamped between flanges by through-bolts, while lug types have threaded bosses that allow them to be bolted to a single flange for end-of-line service.<\/div>\r\n <\/div>\r\n <div class=\"faq-item\">\r\n <div class=\"faq-question\">What sizes and pressure ratings are available?<\/div>\r\n <div class=\"faq-answer\">PANS offers sizes from 2\u2033 to 36\u2033 (DN50\u2013DN900) and pressure classes including 150LB, 300LB, 600LB and PN10 to PN40.<\/div>\r\n <\/div>\r\n <div class=\"faq-item\">\r\n <div class=\"faq-question\">How is a wafer type check valve installed?<\/div>\r\n <div class=\"faq-answer\">It is secured between two matching flanges with through-bolts. Ensure the flow arrow on the body aligns with the intended flow direction.<\/div>\r\n <\/div>\r\n <div class=\"faq-item\">\r\n <div class=\"faq-question\">Can PANS supply customized wafer type check valves?<\/div>\r\n <div class=\"faq-answer\">Yes, we accept OEM orders with special materials (Duplex SS, Inconel), custom pressure ratings, and non-standard face-to-face dimensions.<\/div>\r\n <\/div>\r\n <div class=\"faq-item\">\r\n <div class=\"faq-question\">What is the price of wafer type check valves from PANS?<\/div>\r\n <div class=\"faq-answer\">Price varies by size and material. As a direct factory, we offer competitive factory pricing. Contact us for a quote within 24 hours.<\/div>\r\n <\/div>\r\n <div class=\"faq-item\">\r\n <div class=\"faq-question\">Where can I download the wafer type check valve data sheet?<\/div>\r\n <div class=\"faq-answer\">You can download the PDF catalog and technical data sheet from our Download Center.<\/div>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n<\/section>\r\n\r\n<section class=\"section-alt\">\r\n <div class=\"container\">\r\n <div class=\"tag fade-up\">Related Products<\/div>\r\n <h2 class=\"section-title fade-up\">More <span>Check Valve<\/span> Products<\/h2>\r\n <div class=\"related-grid\">\r\n <a href=\"https:\/\/www.pansvalve.com\/products\/cast-swing-check-valve\/\" target=\"_blank\" class=\"related-card fade-up\">\r\n <div class=\"related-card-img\"><img decoding=\"async\" src=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2022\/04\/4.jpg\" alt=\"Cast Swing Check Valve\"><\/div>\r\n <div class=\"related-card-body\"><div class=\"related-card-name\">Cast Swing Check Valve<\/div><\/div>\r\n <div class=\"related-card-footer\">View Details \u2192<\/div>\r\n <\/a>\r\n <a href=\"https:\/\/www.pansvalve.com\/products\/cast-lift-check-valve\/\" target=\"_blank\" class=\"related-card fade-up\" style=\"transition-delay:0.07s\">\r\n <div class=\"related-card-img\"><img decoding=\"async\" src=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2022\/04\/5.jpg\" alt=\"Cast Lift Check Valve\"><\/div>\r\n <div class=\"related-card-body\"><div class=\"related-card-name\">Cast Lift Check Valve<\/div><\/div>\r\n <div class=\"related-card-footer\">View Details \u2192<\/div>\r\n <\/a>\r\n <a href=\"https:\/\/www.pansvalve.com\/check-valve-factory\/\" target=\"_blank\" class=\"related-card fade-up\" style=\"transition-delay:0.14s\">\r\n <div class=\"related-card-img\"><img decoding=\"async\" src=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2022\/03\/%E8%92%99%E7%89%88%E7%BB%84-894-1.jpg\" alt=\"All Check Valves\"><\/div>\r\n <div class=\"related-card-body\"><div class=\"related-card-name\">All Check Valves<\/div><\/div>\r\n <div class=\"related-card-footer\">View Collection \u2192<\/div>\r\n <\/a>\r\n <\/div>\r\n <\/div>\r\n<\/section>\r\n\r\n<script>\r\ndocument.querySelectorAll('.faq-question').forEach(q => {\r\n q.addEventListener('click', () => {\r\n const item = q.parentElement;\r\n const isOpen = item.classList.contains('open');\r\n document.querySelectorAll('.faq-item').forEach(i => i.classList.remove('open'));\r\n if (!isOpen) item.classList.add('open');\r\n });\r\n});\r\nconst observer = new IntersectionObserver((entries) => {\r\n entries.forEach(e => {\r\n if (e.isIntersecting) { e.target.classList.add('visible'); observer.unobserve(e.target); }\r\n });\r\n}, { threshold: 0.08, rootMargin: '0px 0px -40px 0px' });\r\ndocument.querySelectorAll('.fade-up').forEach(el => observer.observe(el));\r\n<\/script>\r\n<\/body>\r\n<\/html>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element 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elementor-size-default\">Trusted DIN Valve Manufacturer in China \u2013 Fast Quote<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2a221fb elementor-widget__width-initial elementor-widget elementor-widget-heading\" data-id=\"2a221fb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<p class=\"elementor-heading-title elementor-size-default\">Looking for a reliable partner for your next EPC project or inventory replenishment?<\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-05650bd elementor-widget__width-initial elementor-button-align-stretch elementor-widget elementor-widget-form\" data-id=\"05650bd\" data-element_type=\"widget\" data-e-type=\"widget\" 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We supply dual plate, swing, spring-loaded and […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-3948","page","type-page","status-publish","hentry"],"yoast_head":"\n<title>Wafer Type Check Valve Manufacturer in China | PANS Valve \u2013 Factory Direct<\/title>\n<meta name=\"description\" content=\"PANS Valve is a leading wafer type check valve manufacturer in China since 1985. We supply dual plate, swing, spring-loaded wafer check valves in SS, CI, carbon steel. API594 certified. 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margin-bottom: 8px; line-height: 1.3; }\r\n.product-card-material { display: inline-block; font-size: 9px; color: var(--red); font-weight: 700; letter-spacing: 1px; text-transform: uppercase; background: rgba(215,12,25,0.06); padding: 3px 7px; margin-bottom: 10px; }\r\n.product-card-desc { font-size: 18px; color: var(--mid); line-height: 1.7; margin-bottom: 14px; font-weight: 400; }\r\n.product-card-link { font-size: 10px; font-weight: 700; color: var(--red); text-transform: uppercase; letter-spacing: 1px; display: flex; align-items: center; gap: 5px; }\r\n\r\n\/* \u2500\u2500 SPECS \u2500\u2500 *\/\r\n.specs-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }\r\n.specs-table { width: 100%; border-collapse: collapse; font-size: 18px; }\r\n.specs-table th { background: var(--dark); color: var(--white); font-family: 'Poppins', sans-serif; font-size: 22px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; padding: 13px 18px; text-align: left; }\r\n.specs-table tr:nth-child(even) td { background: var(--section-bg); }\r\n.specs-table td { padding: 10px 18px; border-bottom: 1px solid var(--border); color: var(--dark); font-size: 18px; }\r\n.specs-table td:first-child { font-weight: 600; color: var(--mid); font-size: 18px; width: 44%; }\r\n\r\n\/* Cert Images Grid *\/\r\n.cert-imgs-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-bottom: 18px; }\r\n.cert-img-card { background: var(--white); border: 1px solid var(--border); padding: 6px; display: flex; align-items: center; justify-content: center; aspect-ratio: 3\/4; overflow: hidden; transition: border-color 0.2s, box-shadow 0.2s; }\r\n.cert-img-card:hover { border-color: var(--red); box-shadow: 0 4px 14px rgba(215,12,25,0.12); }\r\n.cert-img-card img { width: 100%; height: 100%; object-fit: contain; }\r\n.standards-badges { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }\r\n.std-badge { background: var(--dark); color: var(--white); font-family: 'Poppins', sans-serif; font-size: 11px; font-weight: 700; letter-spacing: 0.3px; padding: 7px 13px; text-align: center; }\r\n.std-badge small { display: block; font-size: 8px; color: rgba(255,255,255,0.45); font-weight: 400; margin-top: 2px; }\r\n\r\n\/* \u2500\u2500 CTA BANNER 1 \u2500\u2500 *\/\r\n.cta-banner { background: var(--dark); padding: 50px 0; position: relative; overflow: hidden; }\r\n.cta-banner::before { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, var(--red) 0%, transparent 50%); opacity: 0.07; }\r\n.cta-banner-inner { position: relative; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 36px; flex-wrap: wrap; }\r\n.cta-banner-logo { height: 44px; object-fit: contain; opacity: 0.85; filter: brightness(10); flex-shrink: 0; }\r\n.cta-banner-text { flex: 1; min-width: 220px; }\r\n.cta-banner-eyebrow { font-size: 9px; font-weight: 700; letter-spacing: 3px; text-transform: uppercase; color: var(--red); margin-bottom: 6px; }\r\n.cta-banner-title { font-family: 'Poppins', sans-serif; font-size: clamp(16px, 2.5vw, 28px); font-weight: 800; color: var(--white); text-transform: uppercase; line-height: 1.2; }\r\n.cta-banner-title span { color: var(--red); }\r\n.cta-banner-actions { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }\r\n.pdf-btn { display: inline-flex; align-items: center; gap: 9px; background: rgba(255,255,255,0.07); border: 1px solid rgba(255,255,255,0.18); color: var(--white); font-family: 'Poppins', sans-serif; font-size: 11px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; padding: 12px 18px; text-decoration: none; transition: all 0.2s; }\r\n.pdf-btn:hover { background: rgba(255,255,255,0.13); border-color: rgba(255,255,255,0.38); }\r\n.pdf-btn-icon { width: 26px; height: 26px; background: var(--red); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }\r\n\r\n\/* \u2500\u2500 COMPARE \u2500\u2500 *\/\r\n.compare-table { width: 100%; border-collapse: collapse; font-size: 18px; margin-top: 36px; }\r\n.compare-table thead tr th { padding: 14px 18px; font-family: 'Poppins', sans-serif; font-size: 22px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.3px; text-align: left; }\r\n.compare-table thead tr th:first-child { background: var(--section-bg); color: var(--mid); }\r\n.compare-table thead tr th:nth-child(2) { background: var(--red); color: var(--white); }\r\n.compare-table thead tr th:nth-child(3) { background: var(--dark); color: var(--white); }\r\n.compare-table tbody tr:nth-child(even) td { background: rgba(0,0,0,0.02); }\r\n.compare-table tbody tr:hover td { background: rgba(215,12,25,0.035); }\r\n.compare-table tbody td { padding: 12px 18px; border-bottom: 1px solid var(--border); color: var(--dark); line-height: 1.5; font-size: 18px; }\r\n.compare-table tbody td:first-child { font-weight: 600; color: var(--mid); font-size: 18px; }\r\n.check-yes { color: #1e9e4d; font-weight: 700; }\r\n.check-no { color: #aaa; }\r\n\r\n\/* \u2500\u2500 WHY PANS \u2500\u2500 *\/\r\n.why-factory-wrap { position: relative; height: 240px; overflow: hidden; margin-bottom: 0; }\r\n.why-factory-wrap img { width: 100%; height: 100%; object-fit: cover; filter: brightness(0.42); }\r\n.why-factory-overlay { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; flex-direction: column; text-align: center; background: linear-gradient(to right, rgba(215,12,25,0.28), rgba(0,0,0,0.18)); }\r\n.why-factory-title { font-family: 'Poppins', sans-serif; font-size: clamp(20px, 3.5vw, 42px); font-weight: 800; color: var(--white); text-transform: uppercase; letter-spacing: 1px; line-height: 1.1; }\r\n.why-factory-title span { color: var(--red); }\r\n.why-factory-sub { font-size: 12px; color: rgba(255,255,255,0.65); margin-top: 8px; font-weight: 400; }\r\n.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; background: var(--border); }\r\n.why-card { background: var(--white); padding: 30px 26px; transition: background 0.2s; }\r\n.why-card:hover { background: var(--dark); }\r\n.why-card:hover .why-card-title, .why-card:hover .why-card-desc { color: rgba(255,255,255,0.65); }\r\n.why-card:hover .why-card-title { color: var(--white); }\r\n.why-card:hover .why-icon-wrap { background: var(--red); }\r\n.why-icon-wrap { width: 46px; height: 46px; background: var(--light); display: flex; align-items: center; justify-content: center; margin-bottom: 16px; transition: background 0.2s; }\r\n.why-card-title { font-family: 'Poppins', sans-serif; font-size: 22px; font-weight: 700; color: var(--dark); text-transform: uppercase; letter-spacing: 0.3px; margin-bottom: 8px; transition: color 0.2s; }\r\n.why-card-desc { font-size: 18px; color: var(--mid); line-height: 1.75; transition: color 0.2s; font-weight: 400; }\r\n\r\n\/* \u2500\u2500 APPLICATIONS \u2500\u2500 *\/\r\n.app-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 36px; }\r\n.app-card { position: relative; overflow: hidden; cursor: default; min-height: 260px; display: flex; flex-direction: column; justify-content: flex-end; }\r\n.app-card-bg { position: absolute; inset: 0; background-size: cover; background-position: center; transition: transform 0.4s ease; }\r\n.app-card:hover .app-card-bg { transform: scale(1.06); }\r\n.app-card-overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(20,20,20,0.92) 30%, rgba(0,0,0,0.28) 100%); }\r\n.app-card::after { content: ''; position: absolute; top: 0; left: 0; width: 3px; height: 100%; background: var(--red); z-index: 3; }\r\n.app-card-content { position: relative; z-index: 2; padding: 20px 18px; }\r\n.app-title { font-family: 'Poppins', sans-serif; font-size: 22px; font-weight: 700; color: var(--white); text-transform: uppercase; letter-spacing: 0.3px; margin-bottom: 5px; }\r\n.app-desc { font-size: 18px; color: rgba(255,255,255,0.62); line-height: 1.6; font-weight: 400; }\r\n.app-tags { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 10px; }\r\n.app-tag { font-size: 9px; background: rgba(255,255,255,0.1); color: rgba(255,255,255,0.55); padding: 2px 8px; letter-spacing: 0.5px; font-weight: 500; }\r\n\r\n\/* \u2500\u2500 CTA BANNER 2 \u2500\u2500 *\/\r\n.cta-banner-2 { background: var(--red); padding: 46px 0; position: relative; overflow: hidden; }\r\n.cta-banner-2::before { content: 'CHECK VALVE'; position: absolute; right: -10px; top: 50%; transform: translateY(-50%); font-family: 'Poppins', sans-serif; font-size: 120px; font-weight: 800; color: rgba(0,0,0,0.09); white-space: nowrap; line-height: 1; pointer-events: none; }\r\n.cta-banner-2-inner { position: relative; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; }\r\n.cta-banner-2-title { font-family: 'Poppins', sans-serif; font-size: clamp(16px, 2.8vw, 30px); font-weight: 800; color: var(--white); text-transform: uppercase; line-height: 1.15; }\r\n.cta-banner-2-sub { font-size: 18px; color: rgba(255,255,255,0.85); margin-top: 6px; font-weight: 400; }\r\n.btn-white { background: var(--white); color: var(--red); }\r\n.btn-white:hover { background: var(--light); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,0,0,0.2); }\r\n\r\n\/* \u2500\u2500 FAQ \u2500\u2500 *\/\r\n.faq-list { margin-top: 44px; }\r\n.faq-item { border-bottom: 1px solid var(--border); }\r\n.faq-question { display: flex; justify-content: space-between; align-items: center; padding: 18px 0; cursor: pointer; font-family: 'Poppins', sans-serif; font-size: 22px; font-weight: 700; color: var(--dark); text-transform: uppercase; letter-spacing: 0.3px; gap: 16px; list-style: none; transition: color 0.2s; }\r\n.faq-question:hover { color: var(--red); }\r\n.faq-question::after { content: '+'; font-size: 22px; font-weight: 300; color: var(--red); flex-shrink: 0; transition: transform 0.2s; }\r\n.faq-item.open .faq-question::after { transform: rotate(45deg); }\r\n.faq-answer { font-size: 18px; color: var(--mid); line-height: 1.8; padding-bottom: 18px; display: none; max-width: 800px; font-weight: 400; }\r\n.faq-item.open .faq-answer { display: block; }\r\n\r\n\/* \u2500\u2500 RELATED PRODUCTS \u2500\u2500 *\/\r\n.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; background: var(--border); margin-top: 36px; }\r\n.related-card { background: var(--white); display: flex; flex-direction: column; text-decoration: none; color: inherit; transition: all 0.2s; }\r\n.related-card:hover { transform: translateY(-4px); box-shadow: 0 10px 30px rgba(0,0,0,0.1); z-index: 1; }\r\n.related-card-img { aspect-ratio: 4\/3; overflow: hidden; border-bottom: 2px solid var(--border); transition: border-color 0.2s; background: var(--section-bg); }\r\n.related-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.35s ease; }\r\n.related-card:hover .related-card-img { border-color: var(--red); }\r\n.related-card:hover .related-card-img img { transform: scale(1.04); }\r\n.related-card-body { padding: 16px 16px; flex: 1; }\r\n.related-card-name { font-family: 'Poppins', sans-serif; font-size: 22px; font-weight: 700; color: var(--dark); text-transform: uppercase; letter-spacing: 0.3px; margin-bottom: 6px; }\r\n.related-card-desc { font-size: 11px; color: var(--mid); line-height: 1.6; font-weight: 400; }\r\n.related-card-footer { padding: 11px 16px; border-top: 1px solid var(--border); font-size: 10px; font-weight: 700; color: var(--red); text-transform: uppercase; letter-spacing: 1px; display: flex; align-items: center; gap: 5px; }\r\n\r\n\/* \u2500\u2500 CONTACT \u2500\u2500 *\/\r\n.contact-section { background: var(--dark); padding: 80px 0; }\r\n.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; }\r\n.contact-info-title { font-family: 'Poppins', sans-serif; font-size: clamp(20px, 2.8vw, 30px); font-weight: 800; color: var(--white); text-transform: uppercase; line-height: 1.2; margin-bottom: 16px; }\r\n.contact-info-title span { color: var(--red); }\r\n.contact-info-desc { font-size: 12px; color: rgba(255,255,255,0.6); line-height: 1.85; margin-bottom: 28px; font-weight: 400; }\r\n.contact-details { display: flex; flex-direction: column; gap: 14px; }\r\n.contact-detail { display: flex; gap: 12px; align-items: flex-start; }\r\n.contact-detail-icon { width: 32px; height: 32px; background: var(--red); display: flex; align-items: center; justify-content: center; flex-shrink: 0; color: var(--white); font-size: 13px; }\r\n.contact-detail-text { font-size: 12px; color: rgba(255,255,255,0.68); line-height: 1.55; }\r\n.contact-detail-text strong { display: block; color: var(--white); margin-bottom: 2px; font-size: 9px; text-transform: uppercase; letter-spacing: 1.5px; font-weight: 700; }\r\n.contact-form { background: rgba(255,255,255,0.04); padding: 32px; border: 1px solid rgba(255,255,255,0.08); }\r\n.contact-form-title { font-family: 'Poppins', sans-serif; font-size: 16px; font-weight: 700; color: var(--white); text-transform: uppercase; margin-bottom: 20px; letter-spacing: 0.3px; }\r\n.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 11px; margin-bottom: 11px; }\r\n.form-group { margin-bottom: 11px; }\r\n.form-group label { display: block; font-size: 9px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; color: rgba(255,255,255,0.45); margin-bottom: 6px; }\r\n.form-group input, .form-group select, .form-group textarea { width: 100%; background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.11); color: var(--white); font-family: 'Poppins', sans-serif; font-size: 12px; padding: 10px 13px; outline: none; transition: border-color 0.2s; appearance: none; font-weight: 400; }\r\n.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--red); }\r\n.form-group textarea { resize: vertical; min-height: 90px; }\r\n.form-group select option { background: var(--dark); color: var(--white); }\r\n\r\n\/* \u2500\u2500 FOOTER \u2500\u2500 *\/\r\n.footer { background: #111; padding: 52px 0 26px; }\r\n\/* \u4fee\u6539 footer-grid \u4ee5\u9002\u5e94\u5355\u5217\u5c55\u793a *\/\r\n.footer-grid { display: block; margin-bottom: 36px; } \r\n.footer-brand-name { font-family: 'Poppins', sans-serif; font-size: 20px; font-weight: 800; color: var(--white); letter-spacing: 2px; text-transform: uppercase; margin-bottom: 4px; }\r\n.footer-brand-name span { color: var(--red); }\r\n.footer-brand-tagline { font-size: 9px; color: rgba(255,255,255,0.32); letter-spacing: 2px; text-transform: uppercase; margin-bottom: 14px; font-weight: 500; }\r\n.footer-brand-desc { font-size: 11px; color: rgba(255,255,255,0.4); line-height: 1.8; margin-bottom: 16px; font-weight: 400; max-width: 600px; }\r\n.footer-bottom { border-top: 1px solid rgba(255,255,255,0.06); padding-top: 20px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; }\r\n.footer-copy { font-size: 10px; color: rgba(255,255,255,0.28); font-weight: 400; }\r\n.footer-copy a { color: rgba(255,255,255,0.38); text-decoration: none; }\r\n.footer-copy a:hover { color: var(--red); }\r\n\r\n\/* \u2500\u2500 SCROLL ANIMATION \u2500\u2500 *\/\r\n.fade-up { opacity: 0; transform: translateY(22px); transition: opacity 0.5s ease, transform 0.5s ease; }\r\n.fade-up.visible { opacity: 1; transform: translateY(0); }\r\n\r\n\/* \u2500\u2500 RESPONSIVE \u2500\u2500 *\/\r\n@media (max-width: 1024px) {\r\n .hero-inner { grid-template-columns: 1fr; }\r\n .hero-product-img { display: none; }\r\n .products-grid, .why-grid { grid-template-columns: repeat(2, 1fr); }\r\n .app-grid { grid-template-columns: repeat(2, 1fr); }\r\n .cert-imgs-grid { grid-template-columns: repeat(2, 1fr); }\r\n}\r\n@media (max-width: 768px) {\r\n .what-grid, .specs-wrap, .contact-grid { display: block; }\r\n .specs-wrap > *:first-child, .contact-grid > *:first-child { margin-bottom: 32px; }\r\n .products-grid, .why-grid, .app-grid, .related-grid { grid-template-columns: 1fr; }\r\n .header-nav { display: none; }\r\n .form-row { grid-template-columns: 1fr; }\r\n .topbar { display: none; }\r\n .cta-banner-inner { flex-direction: column; align-items: flex-start; }\r\n}\r\n<\/style>\r\n<\/head>\r\n<body>\r\n\r\n<section class=\"hero\">\r\n <div class=\"container\" style=\"width:100%;\">\r\n <div class=\"hero-inner\">\r\n <div>\r\n <div class=\"hero-breadcrumb\">\r\n <a href=\"https:\/\/www.pansvalve.com\/check-valve-factory\/\" target=\"_blank\">Check Valve<\/a>\r\n <span>\u203a<\/span><span>Wafer Type<\/span>\r\n <\/div>\r\n <div class=\"hero-tag\">China Factory Direct<\/div>\r\n <h1>Wafer Type<br><em>Check Valve<\/em><br>Manufacturer<\/h1>\r\n <p class=\"hero-sub\">API594 Certified \u00b7 36+ Years Experience \u00b7 Ships to 10+ Countries<\/p>\r\n <p class=\"hero-desc\">PANS Valve is a professional <strong style=\"color:#fff;\">wafer type check valve manufacturer<\/strong> based in Wenzhou, China. We supply dual plate, swing, spring-loaded and silent check valve wafer type products \u2014 engineered for reliable backflow prevention in oil & gas, petrochemical, power generation, and water treatment systems.<\/p>\r\n <div class=\"hero-actions\">\r\n <a href=\"https:\/\/www.pansvalve.com\/contact-us\/\" target=\"_blank\" class=\"btn btn-primary\">\r\n <svg width=\"14\" height=\"14\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" viewBox=\"0 0 24 24\"><path d=\"M22 16.92v3a2 2 0 01-2.18 2 19.79 19.79 0 01-8.63-3.07 19.5 19.5 0 01-6-6 19.79 19.79 0 01-3.07-8.67A2 2 0 014.11 2h3a2 2 0 012 1.72c.127.96.361 1.903.7 2.81a2 2 0 01-.45 2.11L8.09 9.91a16 16 0 006 6l1.27-1.27a2 2 0 012.11-.45c.907.339 1.85.573 2.81.7A2 2 0 0122 16.92z\"\/><\/svg>\r\n Get A Free Quote\r\n <\/a>\r\n <a href=\"https:\/\/www.pansvalve.com\/products\/wafer-type-check-valve\/\" target=\"_blank\" class=\"btn btn-outline\">View Product Details \u2192<\/a>\r\n <\/div>\r\n <div class=\"hero-stats\">\r\n <div class=\"hero-stat\"><strong class=\"hero-stat-num\">36+<\/strong><span class=\"hero-stat-label\">Years Experience<\/span><\/div>\r\n <div class=\"hero-stat\"><strong class=\"hero-stat-num\">5<\/strong><span class=\"hero-stat-label\">Production Bases<\/span><\/div>\r\n <div class=\"hero-stat\"><strong class=\"hero-stat-num\">3,000T<\/strong><span class=\"hero-stat-label\">Annual Output<\/span><\/div>\r\n <div class=\"hero-stat\"><strong class=\"hero-stat-num\">24H<\/strong><span class=\"hero-stat-label\">Quote Delivery<\/span><\/div>\r\n <\/div>\r\n <\/div>\r\n <div class=\"hero-product-img\">\r\n <img decoding=\"async\" src=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2022\/04\/6.jpg\" alt=\"Wafer Type Check Valve \u2013 PANS Valve China Manufacturer\">\r\n <div class=\"hero-img-badge\">API 594 Certified<\/div>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n<\/section>\r\n\r\n<div class=\"cert-bar\">\r\n <div class=\"container\">\r\n <div class=\"cert-items\">\r\n <div class=\"cert-item\">\r\n <svg width=\"15\" height=\"15\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" viewBox=\"0 0 24 24\"><path d=\"M9 11l3 3L22 4\"\/><path d=\"M21 12v7a2 2 0 01-2 2H5a2 2 0 01-2-2V5a2 2 0 012-2h11\"\/><\/svg>\r\n <span class=\"cert-badge\">API 594<\/span> Design Standard\r\n <\/div>\r\n <div class=\"cert-item\">\r\n <svg width=\"15\" height=\"15\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" viewBox=\"0 0 24 24\"><path d=\"M9 11l3 3L22 4\"\/><path d=\"M21 12v7a2 2 0 01-2 2H5a2 2 0 01-2-2V5a2 2 0 012-2h11\"\/><\/svg>\r\n <span class=\"cert-badge\">ISO 9001<\/span> Quality Management\r\n <\/div>\r\n <div class=\"cert-item\">\r\n <svg width=\"15\" height=\"15\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" viewBox=\"0 0 24 24\"><path d=\"M9 11l3 3L22 4\"\/><path d=\"M21 12v7a2 2 0 01-2 2H5a2 2 0 01-2-2V5a2 2 0 012-2h11\"\/><\/svg>\r\n <span class=\"cert-badge\">CE \/ TUV<\/span> European Approved\r\n <\/div>\r\n <div class=\"cert-item\">\r\n <svg width=\"15\" height=\"15\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" viewBox=\"0 0 24 24\"><path d=\"M9 11l3 3L22 4\"\/><path d=\"M21 12v7a2 2 0 01-2 2H5a2 2 0 01-2-2V5a2 2 0 012-2h11\"\/><\/svg>\r\n <span class=\"cert-badge\">API 598<\/span> Test & Inspection\r\n <\/div>\r\n <\/div>\r\n <a href=\"https:\/\/www.pansvalve.com\/quality-control\/\" target=\"_blank\" style=\"font-size:10px;color:rgba(255,255,255,0.8);text-decoration:none;font-weight:700;letter-spacing:1px;text-transform:uppercase;\">View Certifications \u2192<\/a>\r\n <\/div>\r\n<\/div>\r\n\r\n<section class=\"section\">\r\n <div class=\"container\">\r\n <div class=\"what-grid\">\r\n <div class=\"fade-up\">\r\n <div class=\"video-wrap\" style=\"aspect-ratio: 4 \/ 3; width: 100%; height: auto; display: flex !important; align-items: center !important; justify-content: center !important; overflow: hidden; background: #fff; border-radius: 8px; border: 1px solid #f0f0f0; box-shadow: 0 4px 25px rgba(0,0,0,0.04); padding: 20px;\">\r\n <img decoding=\"async\" src=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/04\/20260416-092039.webp\" alt=\"Industrial Wafer Type Check Valve - PANS Valve China\" style=\"max-width: 90% !important; max-height: 90% !important; object-fit: contain !important; display: block; margin: 0 auto;\">\r\n <\/div>\r\n <p class=\"video-label\">Wafer Type Check Valve Detail \u2014 PANS Valve<\/p>\r\n <\/div>\r\n <div class=\"fade-up\" style=\"transition-delay:0.15s\">\r\n <div class=\"tag\">Product Knowledge<\/div>\r\n <h2 class=\"section-title\">What Is a <span>Wafer Type<\/span> Check Valve?<\/h2>\r\n <p class=\"section-lead\" style=\"margin-bottom:16px;\">A <strong>wafer type check valve<\/strong> (also referred to as a <em>check valve wafer type<\/em> or <em>check valve type wafer<\/em>) is a compact non-return valve designed to be clamped between two pipeline flanges using through-bolts \u2014 without requiring bolt holes in the valve body itself.<\/p>\r\n <p style=\"font-size:18px;color:var(--mid);line-height:1.85;margin-bottom:18px;font-weight:400;\">The valve operates automatically: forward flow pressure opens the disc(s), and when flow stops or reverses, spring force rapidly closes the discs \u2014 preventing backflow and eliminating water hammer. Its slim, disc-like profile makes it significantly lighter and more compact than traditional flanged check valves.<\/p>\r\n <div class=\"key-chars\">\r\n <div class=\"key-char\"><div class=\"key-char-icon\">\u26a1<\/div><div><div class=\"key-char-title\">Fast Auto-Close<\/div><div class=\"key-char-desc\">Spring-loaded discs close instantly on flow reversal<\/div><\/div><\/div>\r\n <div class=\"key-char\"><div class=\"key-char-icon\">\u2696<\/div><div><div class=\"key-char-title\">Lightweight & Compact<\/div><div class=\"key-char-desc\">Short face-to-face; ideal for space-constrained systems<\/div><\/div><\/div>\r\n <div class=\"key-char\"><div class=\"key-char-icon\">\u2195<\/div><div><div class=\"key-char-title\">Flexible Installation<\/div><div class=\"key-char-desc\">Horizontal or vertical pipeline mounting<\/div><\/div><\/div>\r\n <div class=\"key-char\"><div class=\"key-char-icon\">\ud83d\udd29<\/div><div><div class=\"key-char-title\">Easy Maintenance<\/div><div class=\"key-char-desc\">Simple structure, no external actuation required<\/div><\/div><\/div>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n<\/section>\r\n\r\n<section class=\"section-alt\">\r\n <div class=\"container\">\r\n <div class=\"tag fade-up\">Product Series<\/div>\r\n <h2 class=\"section-title fade-up\">Our <span>Wafer Type Check Valve<\/span> Series<\/h2>\r\n <p class=\"section-lead fade-up\">From standard dual plate wafer check valves to customized high-pressure tilting disc models \u2014 PANS manufactures the full range of <em>wafer type check valves<\/em> to meet diverse industrial specifications.<\/p>\r\n <div class=\"products-grid\">\r\n <a href=\"https:\/\/www.pansvalve.com\/products\/wafer-type-check-valve\/\" target=\"_blank\" class=\"product-card fade-up\">\r\n <div class=\"product-card-num\">01<\/div>\r\n <div class=\"product-card-name\">Dual Plate Wafer Check Valve<\/div>\r\n <div class=\"product-card-material\">WCB \u00b7 SS316 \u00b7 Cast Iron<\/div>\r\n <p class=\"product-card-desc\">Twin spring-loaded discs with low pressure drop. The most popular <strong>dual plate wafer type check valve<\/strong> for water, gas and oil pipelines.<\/p>\r\n <span class=\"product-card-link\">Learn More \u2192<\/span>\r\n <\/a>\r\n <a href=\"https:\/\/www.pansvalve.com\/products\/wafer-type-check-valve\/\" target=\"_blank\" class=\"product-card fade-up\" style=\"transition-delay:0.05s\">\r\n <div class=\"product-card-num\">02<\/div>\r\n <div class=\"product-card-name\">Swing Wafer Type Check Valve<\/div>\r\n <div class=\"product-card-material\">Cast Iron \u00b7 Carbon Steel<\/div>\r\n <p class=\"product-card-desc\">Single disc gravity-close design. Ideal for low-velocity systems. This <strong>swing check valve wafer type<\/strong> suits horizontal installation.<\/p>\r\n <span class=\"product-card-link\">Learn More \u2192<\/span>\r\n <\/a>\r\n <a href=\"https:\/\/www.pansvalve.com\/products\/wafer-type-check-valve\/\" target=\"_blank\" class=\"product-card fade-up\" style=\"transition-delay:0.1s\">\r\n <div class=\"product-card-num\">03<\/div>\r\n <div class=\"product-card-name\">Spring-Loaded Wafer Check Valve<\/div>\r\n <div class=\"product-card-material\">SS304 \u00b7 SS316 \u00b7 WCB<\/div>\r\n <p class=\"product-card-desc\">Fast-closing <strong>wafer type spring check valve<\/strong> engineered to eliminate water hammer in high-velocity pump discharge lines.<\/p>\r\n <span class=\"product-card-link\">Learn More \u2192<\/span>\r\n <\/a>\r\n <a href=\"https:\/\/www.pansvalve.com\/products\/wafer-type-check-valve\/\" target=\"_blank\" class=\"product-card fade-up\" style=\"transition-delay:0.15s\">\r\n <div class=\"product-card-num\">04<\/div>\r\n <div class=\"product-card-name\">Non-Slam Silent Check Valve<\/div>\r\n <div class=\"product-card-material\">SS304 \u00b7 SS316 \u00b7 Carbon Steel<\/div>\r\n <p class=\"product-card-desc\"><strong>Wafer type non slam check valve<\/strong> with spring-assisted silent closure. Minimizes vibration and noise in HVAC and building systems.<\/p>\r\n <span class=\"product-card-link\">Learn More \u2192<\/span>\r\n <\/a>\r\n <a href=\"https:\/\/www.pansvalve.com\/products\/wafer-type-check-valve\/\" target=\"_blank\" class=\"product-card fade-up\" style=\"transition-delay:0.2s\">\r\n <div class=\"product-card-num\">05<\/div>\r\n <div class=\"product-card-name\">Tilting Disc Wafer Check Valve<\/div>\r\n <div class=\"product-card-material\">Carbon Steel \u00b7 Alloy Steel<\/div>\r\n <p class=\"product-card-desc\"><strong>Wafer type tilting disc check valve<\/strong> for high-pressure, high-temperature applications. Low flow resistance, superior sealing.<\/p>\r\n <span class=\"product-card-link\">Learn More \u2192<\/span>\r\n <\/a>\r\n <a href=\"https:\/\/www.pansvalve.com\/products\/wafer-type-check-valve\/\" target=\"_blank\" class=\"product-card fade-up\" style=\"transition-delay:0.25s\">\r\n <div class=\"product-card-num\">06<\/div>\r\n <div class=\"product-card-name\">CI \/ SS Wafer Check Valve<\/div>\r\n <div class=\"product-card-material\">GG25 Cast Iron \u00b7 SS316L<\/div>\r\n <p class=\"product-card-desc\"><strong>CI wafer type check valve<\/strong> for municipal water. SS316L option for corrosive media in chemical and food processing industries.<\/p>\r\n <span class=\"product-card-link\">Learn More \u2192<\/span>\r\n <\/a>\r\n <\/div>\r\n <div style=\"text-align:center;margin-top:32px;\">\r\n <a href=\"https:\/\/www.pansvalve.com\/check-valve-factory\/\" target=\"_blank\" class=\"btn btn-outline-dark\">View All Check Valves \u2192<\/a>\r\n <\/div>\r\n <\/div>\r\n<\/section>\r\n\r\n<section class=\"section\">\r\n <div class=\"container\">\r\n <div class=\"specs-wrap\">\r\n <div class=\"fade-up\">\r\n <div class=\"tag\">Technical Data<\/div>\r\n <h2 class=\"section-title\">Wafer Type Check Valve <span>Specifications<\/span><\/h2>\r\n <p style=\"font-size:18px;color:var(--mid);line-height:1.85;margin-bottom:22px;font-weight:400;\">All PANS <em>wafer type check valves<\/em> are manufactured and tested in accordance with internationally recognized standards. Custom sizes and pressure ratings are available on request.<\/p>\r\n <table class=\"specs-table\">\r\n <thead><tr><th>Parameter<\/th><th>Specification<\/th><\/tr><\/thead>\r\n <tbody>\r\n <tr><td>Design Standard<\/td><td>API 594, API 6D<\/td><\/tr>\r\n <tr><td>Face-to-Face<\/td><td>API 594, DIN 3202<\/td><\/tr>\r\n <tr><td>Flange Standard<\/td><td>ASME B16.5, MSS SP-44<\/td><\/tr>\r\n <tr><td>Test Standard<\/td><td>API 598<\/td><\/tr>\r\n <tr><td>Size Range<\/td><td>2\u2033 \u2013 36\u2033 (DN50 \u2013 DN900)<\/td><\/tr>\r\n <tr><td>Pressure Class<\/td><td>150LB \u2013 600LB; PN10 \u2013 PN40<\/td><\/tr>\r\n <tr><td>Body Material<\/td><td>WCB, CF8, CF8M, LCB, GG25<\/td><\/tr>\r\n <tr><td>Disc Material<\/td><td>WCB, SS304, SS316<\/td><\/tr>\r\n <tr><td>Seat \/ Seal<\/td><td>PTFE, Metal, EPDM, NBR<\/td><\/tr>\r\n <tr><td>Temperature Range<\/td><td>-29\u00b0C to +425\u00b0C<\/td><\/tr>\r\n <tr><td>Installation<\/td><td>Horizontal \/ Vertical<\/td><\/tr>\r\n <\/tbody>\r\n <\/table>\r\n <\/div>\r\n <div class=\"fade-up\" style=\"transition-delay:0.15s\">\r\n <div class=\"tag\">Compliance<\/div>\r\n <h3 style=\"font-family:'Poppins',sans-serif;font-size:24px;font-weight:800;text-transform:uppercase;margin-bottom:12px;color:var(--dark);line-height:1.2;\">Standards & <span style=\"color:var(--red)\">Certifications<\/span><\/h3>\r\n <p style=\"font-size:18px;color:var(--mid);line-height:1.85;margin-bottom:18px;font-weight:400;\">PANS <strong>wafer type check valves<\/strong> meet the strictest global procurement requirements \u2014 approved for Europe, North America, and Middle East markets.<\/p>\r\n\r\n <div class=\"cert-imgs-grid\">\r\n <div class=\"cert-img-card\">\r\n <img decoding=\"async\" src=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2022\/03\/GATE-VALVE-15848.jpg\" alt=\"PANS Valve Gate Valve API Certificate\" loading=\"lazy\">\r\n <\/div>\r\n <div class=\"cert-img-card\">\r\n <img decoding=\"async\" src=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2022\/03\/ISO14001.jpg\" alt=\"PANS Valve ISO 14001 Environmental Certificate\" loading=\"lazy\">\r\n <\/div>\r\n <div class=\"cert-img-card\">\r\n <img decoding=\"async\" src=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2022\/03\/9001.jpg\" alt=\"PANS Valve ISO 9001 Quality Certificate\" loading=\"lazy\">\r\n <\/div>\r\n <div class=\"cert-img-card\">\r\n <img decoding=\"async\" src=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2022\/03\/BALL-VALVE-158482.jpg\" alt=\"PANS Valve Ball Valve API Certificate\" loading=\"lazy\">\r\n <\/div>\r\n <\/div>\r\n\r\n <div class=\"standards-badges\">\r\n <div class=\"std-badge\">API 594<small>Design & Manufacture<\/small><\/div>\r\n <div class=\"std-badge\">API 6D<small>Pipeline Valves<\/small><\/div>\r\n <div class=\"std-badge\">API 598<small>Valve Testing<\/small><\/div>\r\n <div class=\"std-badge\">ASME B16.5<small>Flanged Fittings<\/small><\/div>\r\n <div class=\"std-badge\">ISO 9001<small>Quality Mgmt<\/small><\/div>\r\n <div class=\"std-badge\">ISO 14001<small>Environmental<\/small><\/div>\r\n <div class=\"std-badge\">CE \/ TUV<small>EU Compliance<\/small><\/div>\r\n <\/div>\r\n\r\n <div style=\"margin-top:20px;padding:18px;background:var(--section-bg);border-left:4px solid var(--red)\">\r\n <p style=\"font-size:18px;color:var(--mid);line-height:1.8;margin:0;font-weight:400;\"><strong style=\"color:var(--dark);font-weight:700;\">Custom Engineering Available:<\/strong> PANS accepts OEM\/ODM orders with tailored body materials, pressure classes, face-to-face dimensions, and end-user tagging.<\/p>\r\n <a href=\"https:\/\/www.pansvalve.com\/contact-us\/\" target=\"_blank\" style=\"display:inline-flex;align-items:center;gap:6px;margin-top:10px;font-size:10px;font-weight:700;color:var(--red);text-decoration:none;text-transform:uppercase;letter-spacing:1px;\">Request Custom Quote \u2192<\/a>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n<\/section>\r\n\r\n<div class=\"cta-banner\">\r\n <div class=\"container\">\r\n <div class=\"cta-banner-inner\">\r\n <img decoding=\"async\" src=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2022\/04\/%E6%B5%99%E4%B8%9C2.png\" alt=\"PANS Valve\" class=\"cta-banner-logo\">\r\n <div class=\"cta-banner-text\">\r\n <div class=\"cta-banner-eyebrow\">Free Download<\/div>\r\n <div class=\"cta-banner-title\">Download the <span>Wafer Type Check Valve<\/span> Data Sheet & PDF Catalog<\/div>\r\n <\/div>\r\n <div class=\"cta-banner-actions\">\r\n <a href=\"https:\/\/www.pansvalve.com\/download\/\" target=\"_blank\" class=\"pdf-btn\">\r\n <div class=\"pdf-btn-icon\">\r\n <svg width=\"13\" height=\"13\" fill=\"none\" stroke=\"white\" stroke-width=\"2.5\" viewBox=\"0 0 24 24\"><path d=\"M21 15v4a2 2 0 01-2 2H5a2 2 0 01-2-2v-4\"\/><polyline points=\"7 10 12 15 17 10\"\/><line x1=\"12\" y1=\"15\" x2=\"12\" y2=\"3\"\/><\/svg>\r\n <\/div>\r\n Wafer Check Valve PDF\r\n <\/a>\r\n <a href=\"https:\/\/www.pansvalve.com\/download\/\" target=\"_blank\" class=\"pdf-btn\">\r\n <div class=\"pdf-btn-icon\">\r\n <svg width=\"13\" height=\"13\" fill=\"none\" stroke=\"white\" stroke-width=\"2.5\" viewBox=\"0 0 24 24\"><path d=\"M14 2H6a2 2 0 00-2 2v16a2 2 0 002 2h12a2 2 0 002-2V8z\"\/><polyline points=\"14 2 14 8 20 8\"\/><line x1=\"16\" y1=\"13\" x2=\"8\" y2=\"13\"\/><line x1=\"16\" y1=\"17\" x2=\"8\" y2=\"17\"\/><\/svg>\r\n <\/div>\r\n Valve Data Sheet Download\r\n <\/a>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n<\/div>\r\n\r\n<section class=\"section-alt\">\r\n <div class=\"container\">\r\n <div class=\"tag fade-up\">Buyer's Guide<\/div>\r\n <h2 class=\"section-title fade-up\">Wafer Type vs Lug Type <span>Check Valve<\/span>: Key Differences<\/h2>\r\n <p class=\"section-lead fade-up\">Understanding the difference between <strong>wafer and lug type check valves<\/strong> is essential for correct valve selection. The table below helps engineers and procurement teams choose the right design.<\/p>\r\n <table class=\"compare-table fade-up\" style=\"transition-delay:0.1s\">\r\n <thead>\r\n <tr>\r\n <th>Feature<\/th>\r\n <th>Wafer Type Check Valve<\/th>\r\n <th>Lug Type Check Valve<\/th>\r\n <\/tr>\r\n <\/thead>\r\n <tbody>\r\n <tr><td>Mounting Method<\/td><td>Clamped between flanges with through-bolts<\/td><td>Threaded lugs bolted to each flange separately<\/td><\/tr>\r\n <tr><td>Weight<\/td><td class=\"check-yes\">\u2714 Lighter \u2014 preferred for weight-sensitive systems<\/td><td class=\"check-no\">Heavier body due to lug bosses<\/td><\/tr>\r\n <tr><td>End-of-Line Service<\/td><td class=\"check-no\">\u2718 Not suitable \u2014 requires flanges on both sides<\/td><td class=\"check-yes\">\u2714 Suitable for dead-end \/ isolation service<\/td><\/tr>\r\n <tr><td>Installation Cost<\/td><td class=\"check-yes\">\u2714 Lower \u2014 fewer bolts, simpler assembly<\/td><td class=\"check-no\">Higher due to additional hardware<\/td><\/tr>\r\n <tr><td>Space Required<\/td><td class=\"check-yes\">\u2714 Compact \u2014 minimal face-to-face dimension<\/td><td class=\"check-no\">Larger footprint<\/td><\/tr>\r\n <tr><td>Best Application<\/td><td>General pipelines, pumps, HVAC, water treatment<\/td><td>Dead-end piping, isolation between systems<\/td><\/tr>\r\n <tr><td>Typical Price<\/td><td class=\"check-yes\">\u2714 More economical<\/td><td class=\"check-no\">Higher unit cost<\/td><\/tr>\r\n <\/tbody>\r\n <\/table>\r\n <div style=\"margin-top:26px;text-align:center;\">\r\n <a href=\"https:\/\/www.pansvalve.com\/contact-us\/\" target=\"_blank\" class=\"btn btn-primary\">Need Help Selecting? Contact Our Engineers \u2192<\/a>\r\n <\/div>\r\n <\/div>\r\n<\/section>\r\n\r\n<section class=\"section\" style=\"padding-bottom:0;\">\r\n <div class=\"container\">\r\n <div class=\"tag fade-up\">Why PANS<\/div>\r\n <h2 class=\"section-title fade-up\">Why Source <span>Wafer Check Valves<\/span> from PANS?<\/h2>\r\n <p class=\"section-lead fade-up\" style=\"margin-bottom:36px;\">As a dedicated <strong>wafer type check valve manufacturer in China<\/strong>, PANS Valve combines 36+ years of precision manufacturing with ISO-certified quality systems.<\/p>\r\n <\/div>\r\n <div class=\"why-factory-wrap fade-up\">\r\n <img decoding=\"async\" src=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2022\/03\/%E7%BB%84-2826.jpg\" alt=\"PANS Valve Factory \u2013 Wenzhou China\">\r\n <div class=\"why-factory-overlay\">\r\n <div class=\"why-factory-title\">PANS <span>Factory<\/span><\/div>\r\n <div class=\"why-factory-sub\">25,000 m\u00b2 \u00b7 5 Production Bases \u00b7 Wenzhou, China \u00b7 Est. 1985<\/div>\r\n <\/div>\r\n <\/div>\r\n <div class=\"container\" style=\"padding-top:0;\">\r\n <div class=\"why-grid\">\r\n <div class=\"why-card fade-up\">\r\n <div class=\"why-icon-wrap\"><svg width=\"20\" height=\"20\" fill=\"none\" stroke=\"#d70c19\" stroke-width=\"2\" viewBox=\"0 0 24 24\"><path d=\"M12 2L2 7l10 5 10-5-10-5z\"\/><path d=\"M2 17l10 5 10-5\"\/><path d=\"M2 12l10 5 10-5\"\/><\/svg><\/div>\r\n <div class=\"why-card-title\">36+ Years Experience<\/div>\r\n <div class=\"why-card-desc\">Founded in 1985 in Wenzhou, China \u2014 PANS has deep expertise in engineering products for demanding global markets.<\/div>\r\n <\/div>\r\n <div class=\"why-card fade-up\" style=\"transition-delay:0.05s\">\r\n <div class=\"why-icon-wrap\"><svg width=\"20\" height=\"20\" fill=\"none\" stroke=\"#d70c19\" stroke-width=\"2\" viewBox=\"0 0 24 24\"><path d=\"M9 11l3 3L22 4\"\/><path d=\"M21 12v7a2 2 0 01-2 2H5a2 2 0 01-2-2V5a2 2 0 012-2h11\"\/><\/svg><\/div>\r\n <div class=\"why-card-title\">API594 \/ ISO Certified<\/div>\r\n <div class=\"why-card-desc\">All wafer type check valves manufactured to API 594, API 598, ISO 9001, CE and TUV standards.<\/div>\r\n <\/div>\r\n <div class=\"why-card fade-up\" style=\"transition-delay:0.1s\">\r\n <div class=\"why-icon-wrap\"><svg width=\"20\" height=\"20\" fill=\"none\" stroke=\"#d70c19\" stroke-width=\"2\" viewBox=\"0 0 24 24\"><rect x=\"2\" y=\"3\" width=\"20\" height=\"14\" rx=\"2\"\/><line x1=\"8\" y1=\"21\" x2=\"16\" y2=\"21\"\/><line x1=\"12\" y1=\"17\" x2=\"12\" y2=\"21\"\/><\/svg><\/div>\r\n <div class=\"why-card-title\">5 Production Bases<\/div>\r\n <div class=\"why-card-desc\">25,000 m\u00b2 of workshop space with dedicated API valve, ball valve, butterfly valve production lines.<\/div>\r\n <\/div>\r\n <div class=\"why-card fade-up\" style=\"transition-delay:0.15s\">\r\n <div class=\"why-icon-wrap\"><svg width=\"20\" height=\"20\" fill=\"none\" stroke=\"#d70c19\" stroke-width=\"2\" viewBox=\"0 0 24 24\"><circle cx=\"12\" cy=\"12\" r=\"10\"\/><polyline points=\"12 6 12 12 16 14\"\/><\/svg><\/div>\r\n <div class=\"why-card-title\">24H Quote \/ 20-Day Delivery<\/div>\r\n <div class=\"why-card-desc\">Receive detailed quotation and drawings within 24 hours. Most orders ship within 20 days.<\/div>\r\n <\/div>\r\n <div class=\"why-card fade-up\" style=\"transition-delay:0.2s\">\r\n <div class=\"why-icon-wrap\"><svg width=\"20\" height=\"20\" fill=\"none\" stroke=\"#d70c19\" stroke-width=\"2\" viewBox=\"0 0 24 24\"><path d=\"M12 20h9\"\/><path d=\"M16.5 3.5a2.121 2.121 0 013 3L7 19l-4 1 1-4L16.5 3.5z\"\/><\/svg><\/div>\r\n <div class=\"why-card-title\">OEM \/ Custom Solutions<\/div>\r\n <div class=\"why-card-desc\">Customized materials, non-standard sizes, and bespoke face-to-face dimensions accepted.<\/div>\r\n <\/div>\r\n <div class=\"why-card fade-up\" style=\"transition-delay:0.25s\">\r\n <div class=\"why-icon-wrap\"><svg width=\"20\" height=\"20\" fill=\"none\" stroke=\"#d70c19\" stroke-width=\"2\" viewBox=\"0 0 24 24\"><circle cx=\"12\" cy=\"12\" r=\"10\"\/><line x1=\"2\" y1=\"12\" x2=\"22\" y2=\"12\"\/><path d=\"M12 2a15.3 15.3 0 010 20M12 2a15.3 15.3 0 000 20\"\/><\/svg><\/div>\r\n <div class=\"why-card-title\">Global Export Experience<\/div>\r\n <div class=\"why-card-desc\">Serving EPC contractors in 10+ countries including UK, Germany, UAE, and Saudi Arabia.<\/div>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n<\/section>\r\n\r\n<section class=\"section-alt\">\r\n <div class=\"container\">\r\n <div class=\"tag fade-up\">Industries Served<\/div>\r\n <h2 class=\"section-title fade-up\">Where Are <span>Wafer Type Check Valves<\/span> Used?<\/h2>\r\n <p class=\"section-lead fade-up\">PANS wafer type check valves are trusted in critical infrastructure across multiple industries worldwide.<\/p>\r\n <div class=\"app-grid\">\r\n <div class=\"app-card fade-up\">\r\n <div class=\"app-card-bg\" style=\"background-image:url('https:\/\/images.unsplash.com\/photo-1518709268805-4e9042af9f23?w=800&q=80');\"><\/div>\r\n <div class=\"app-card-overlay\"><\/div>\r\n <div class=\"app-card-content\">\r\n <div class=\"app-title\">Oil & Gas<\/div>\r\n <div class=\"app-desc\">Upstream pipelines, refineries, and LNG terminals rely on PANS check valves.<\/div>\r\n <div class=\"app-tags\"><span class=\"app-tag\">Refinery<\/span><span class=\"app-tag\">LNG<\/span><\/div>\r\n <\/div>\r\n <\/div>\r\n <div class=\"app-card fade-up\" style=\"transition-delay:0.05s\">\r\n <div class=\"app-card-bg\" style=\"background-image:url('https:\/\/images.unsplash.com\/photo-1497435334941-8c899ee9e8e9?w=800&q=80');\"><\/div>\r\n <div class=\"app-card-overlay\"><\/div>\r\n <div class=\"app-card-content\">\r\n <div class=\"app-title\">Petrochemical<\/div>\r\n <div class=\"app-desc\">Process lines with corrosive media use SS316 or alloy steel wafer check valves.<\/div>\r\n <div class=\"app-tags\"><span class=\"app-tag\">Corrosive Media<\/span><span class=\"app-tag\">High Temp<\/span><\/div>\r\n <\/div>\r\n <\/div>\r\n <div class=\"app-card fade-up\" style=\"transition-delay:0.1s\">\r\n <div class=\"app-card-bg\" style=\"background-image:url('https:\/\/images.unsplash.com\/photo-1581244277943-fe4a9c777189?w=800&q=80');\"><\/div>\r\n <div class=\"app-card-overlay\"><\/div>\r\n <div class=\"app-card-content\">\r\n <div class=\"app-title\">Water Treatment<\/div>\r\n <div class=\"app-desc\">Municipal water supply and sewage pumping stations use CI wafer check valves.<\/div>\r\n <div class=\"app-tags\"><span class=\"app-tag\">Municipal<\/span><span class=\"app-tag\">Desalination<\/span><\/div>\r\n <\/div>\r\n <\/div>\r\n <div class=\"app-card fade-up\" style=\"transition-delay:0.15s\">\r\n <div class=\"app-card-bg\" style=\"background-image:url('https:\/\/images.unsplash.com\/photo-1466611653911-95081537e5b7?w=800&q=80');\"><\/div>\r\n <div class=\"app-card-overlay\"><\/div>\r\n <div class=\"app-card-content\">\r\n <div class=\"app-title\">Power Generation<\/div>\r\n <div class=\"app-desc\">Boiler feedwater and steam condensate systems specify low pressure-drop valves.<\/div>\r\n <div class=\"app-tags\"><span class=\"app-tag\">Boiler Feed<\/span><span class=\"app-tag\">Steam<\/span><\/div>\r\n <\/div>\r\n <\/div>\r\n <div class=\"app-card fade-up\" style=\"transition-delay:0.2s\">\r\n <div class=\"app-card-bg\" style=\"background-image:url('https:\/\/images.unsplash.com\/photo-1558618666-fcd25c85cd64?w=800&q=80');\"><\/div>\r\n <div class=\"app-card-overlay\"><\/div>\r\n <div class=\"app-card-content\">\r\n <div class=\"app-title\">HVAC & Building<\/div>\r\n <div class=\"app-desc\">Commercial buildings use silent wafer type non slam check valves.<\/div>\r\n <div class=\"app-tags\"><span class=\"app-tag\">Chilled Water<\/span><span class=\"app-tag\">HVAC<\/span><\/div>\r\n <\/div>\r\n <\/div>\r\n <div class=\"app-card fade-up\" style=\"transition-delay:0.25s\">\r\n <div class=\"app-card-bg\" style=\"background-image:url('https:\/\/images.unsplash.com\/photo-1559757175-0eb30cd8c063?w=800&q=80');\"><\/div>\r\n <div class=\"app-card-overlay\"><\/div>\r\n <div class=\"app-card-content\">\r\n <div class=\"app-title\">Food & Pharma<\/div>\r\n <div class=\"app-desc\">SS316L sanitary-grade valves meet pharmaceutical GMP requirements.<\/div>\r\n <div class=\"app-tags\"><span class=\"app-tag\">SS316L<\/span><span class=\"app-tag\">Sanitary<\/span><\/div>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n<\/section>\r\n\r\n<div class=\"cta-banner-2\">\r\n <div class=\"container\">\r\n <div class=\"cta-banner-2-inner\">\r\n <div>\r\n <div class=\"cta-banner-2-title\">Request Factory-Direct Pricing on<br>Wafer Type Check Valves<\/div>\r\n <div class=\"cta-banner-2-sub\">Quotation & engineering drawings delivered within 24 hours.<\/div>\r\n <\/div>\r\n <div style=\"display:flex;gap:12px;flex-wrap:wrap;\">\r\n <a href=\"https:\/\/www.pansvalve.com\/contact-us\/\" target=\"_blank\" class=\"btn btn-white\">Get A Quote Now<\/a>\r\n <a href=\"https:\/\/www.pansvalve.com\/download\/\" target=\"_blank\" class=\"btn\" style=\"background:rgba(0,0,0,0.18);color:white;border:2px solid rgba(255,255,255,0.38);\">Download Data Sheet<\/a>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n<\/div>\r\n\r\n<section class=\"section\">\r\n <div class=\"container\">\r\n <div style=\"max-width:840px;margin:0 auto;\">\r\n <div class=\"tag fade-up\">FAQ<\/div>\r\n <h2 class=\"section-title fade-up\">Frequently Asked Questions<\/h2>\r\n <div class=\"faq-list fade-up\" style=\"transition-delay:0.1s\">\r\n <div class=\"faq-item open\">\r\n <div class=\"faq-question\">What is a wafer type check valve?<\/div>\r\n <div class=\"faq-answer\">A wafer type check valve is a non-return valve clamped between two pipe flanges using through-bolts. Its compact profile makes it lighter and shorter than conventional check valves.<\/div>\r\n <\/div>\r\n <div class=\"faq-item\">\r\n <div class=\"faq-question\">What are the main types of wafer check valves?<\/div>\r\n <div class=\"faq-answer\">The main types include: dual plate wafer check valve, swing wafer type check valve, spring loaded wafer check valve, and silent non-slam check valves.<\/div>\r\n <\/div>\r\n <div class=\"faq-item\">\r\n <div class=\"faq-question\">What is the difference between wafer type and lug type check valves?<\/div>\r\n <div class=\"faq-answer\">Wafer valves are clamped between flanges by through-bolts, while lug types have threaded bosses that allow them to be bolted to a single flange for end-of-line service.<\/div>\r\n <\/div>\r\n <div class=\"faq-item\">\r\n <div class=\"faq-question\">What sizes and pressure ratings are available?<\/div>\r\n <div class=\"faq-answer\">PANS offers sizes from 2\u2033 to 36\u2033 (DN50\u2013DN900) and pressure classes including 150LB, 300LB, 600LB and PN10 to PN40.<\/div>\r\n <\/div>\r\n <div class=\"faq-item\">\r\n <div class=\"faq-question\">How is a wafer type check valve installed?<\/div>\r\n <div class=\"faq-answer\">It is secured between two matching flanges with through-bolts. Ensure the flow arrow on the body aligns with the intended flow direction.<\/div>\r\n <\/div>\r\n <div class=\"faq-item\">\r\n <div class=\"faq-question\">Can PANS supply customized wafer type check valves?<\/div>\r\n <div class=\"faq-answer\">Yes, we accept OEM orders with special materials (Duplex SS, Inconel), custom pressure ratings, and non-standard face-to-face dimensions.<\/div>\r\n <\/div>\r\n <div class=\"faq-item\">\r\n <div class=\"faq-question\">What is the price of wafer type check valves from PANS?<\/div>\r\n <div class=\"faq-answer\">Price varies by size and material. As a direct factory, we offer competitive factory pricing. Contact us for a quote within 24 hours.<\/div>\r\n <\/div>\r\n <div class=\"faq-item\">\r\n <div class=\"faq-question\">Where can I download the wafer type check valve data sheet?<\/div>\r\n <div class=\"faq-answer\">You can download the PDF catalog and technical data sheet from our Download Center.<\/div>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n<\/section>\r\n\r\n<section class=\"section-alt\">\r\n <div class=\"container\">\r\n <div class=\"tag fade-up\">Related Products<\/div>\r\n <h2 class=\"section-title fade-up\">More <span>Check Valve<\/span> Products<\/h2>\r\n <div class=\"related-grid\">\r\n <a href=\"https:\/\/www.pansvalve.com\/products\/cast-swing-check-valve\/\" target=\"_blank\" class=\"related-card fade-up\">\r\n <div class=\"related-card-img\"><img decoding=\"async\" src=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2022\/04\/4.jpg\" alt=\"Cast Swing Check Valve\"><\/div>\r\n <div class=\"related-card-body\"><div class=\"related-card-name\">Cast Swing Check Valve<\/div><\/div>\r\n <div class=\"related-card-footer\">View Details \u2192<\/div>\r\n <\/a>\r\n <a href=\"https:\/\/www.pansvalve.com\/products\/cast-lift-check-valve\/\" target=\"_blank\" class=\"related-card fade-up\" style=\"transition-delay:0.07s\">\r\n <div class=\"related-card-img\"><img decoding=\"async\" src=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2022\/04\/5.jpg\" alt=\"Cast Lift Check Valve\"><\/div>\r\n <div class=\"related-card-body\"><div class=\"related-card-name\">Cast Lift Check Valve<\/div><\/div>\r\n <div class=\"related-card-footer\">View Details \u2192<\/div>\r\n <\/a>\r\n <a href=\"https:\/\/www.pansvalve.com\/check-valve-factory\/\" target=\"_blank\" class=\"related-card fade-up\" style=\"transition-delay:0.14s\">\r\n <div class=\"related-card-img\"><img decoding=\"async\" src=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2022\/03\/%E8%92%99%E7%89%88%E7%BB%84-894-1.jpg\" alt=\"All Check Valves\"><\/div>\r\n <div class=\"related-card-body\"><div class=\"related-card-name\">All Check Valves<\/div><\/div>\r\n <div class=\"related-card-footer\">View Collection \u2192<\/div>\r\n <\/a>\r\n <\/div>\r\n <\/div>\r\n<\/section>\r\n\r\n<script>\r\ndocument.querySelectorAll('.faq-question').forEach(q => {\r\n q.addEventListener('click', () => {\r\n const item = q.parentElement;\r\n const isOpen = item.classList.contains('open');\r\n document.querySelectorAll('.faq-item').forEach(i => i.classList.remove('open'));\r\n if (!isOpen) item.classList.add('open');\r\n });\r\n});\r\nconst observer = new IntersectionObserver((entries) => {\r\n entries.forEach(e => {\r\n if (e.isIntersecting) { e.target.classList.add('visible'); observer.unobserve(e.target); }\r\n });\r\n}, { threshold: 0.08, rootMargin: '0px 0px -40px 0px' });\r\ndocument.querySelectorAll('.fade-up').forEach(el => observer.observe(el));\r\n<\/script>\r\n<\/body>\r\n<\/html>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element 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elementor-size-default\">Trusted DIN Valve Manufacturer in China \u2013 Fast Quote<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2a221fb elementor-widget__width-initial elementor-widget elementor-widget-heading\" data-id=\"2a221fb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<p class=\"elementor-heading-title elementor-size-default\">Looking for a reliable partner for your next EPC project or inventory replenishment?<\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-05650bd elementor-widget__width-initial elementor-button-align-stretch elementor-widget elementor-widget-form\" data-id=\"05650bd\" data-element_type=\"widget\" data-e-type=\"widget\" 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