{"id":517,"date":"2026-09-16T03:21:02","date_gmt":"2026-09-16T03:21:02","guid":{"rendered":"https:\/\/wdlvalve.com\/?post_type=product&#038;p=517"},"modified":"2026-09-18T03:14:48","modified_gmt":"2026-09-18T03:14:48","slug":"%e6%b0%94%e5%8a%a8%e6%b3%95%e5%85%b0%e5%bc%8f%e4%b8%89%e5%81%8f%e5%bf%83%e8%9d%b6%e9%98%80","status":"publish","type":"product","link":"https:\/\/wdlvalve.com\/zh\/product\/%e6%b0%94%e5%8a%a8%e6%b3%95%e5%85%b0%e5%bc%8f%e4%b8%89%e5%81%8f%e5%bf%83%e8%9d%b6%e9%98%80\/","title":{"rendered":"\u6c14\u52a8\u6cd5\u5170\u5f0f\u4e09\u504f\u5fc3\u8776\u9600"},"content":{"rendered":"<article style=\"max-width: 1200px; margin: 0 auto; font-family: Arial,Helvetica,sans-serif; color: #222; line-height: 1.7;\">\n<h2 style=\"color: #123a5a; font-size: 28px; margin: 0 0 16px;\">\u6c14\u52a8\u6cd5\u5170\u5f0f\u4e09\u504f\u5fc3\u8776\u9600<\/h2>\n<p>WDL Valve pneumatic flanged triple-offset butterfly valve is designed for reliable<br \/>\nflow regulation and shut-off in industrial pipeline systems. The valve uses a<br \/>\nprecision J-shaped elastic sealing ring and a multilayer metal hard-sealing structure.<br \/>\nIts triple-offset design reduces friction between the sealing surfaces and provides<br \/>\nstable bidirectional sealing performance.<\/p>\n<p>The valve is widely used in metallurgy, power generation, petroleum, petrochemical,<br \/>\nwater supply, drainage and municipal construction systems. Depending on the selected<br \/>\nbody and sealing materials, the valve can be used for media temperatures up to<br \/>\n425\u00b0C for carbon steel valves and up to 650\u00b0C for stainless steel valves.<\/p>\n<h2 style=\"color: #123a5a; font-size: 26px; margin: 28px 0 16px;\">\u4e3b\u8981\u7279\u70b9<\/h2>\n<ul style=\"padding-left: 22px; margin-top: 0;\">\n<li>Triple-offset sealing design with low friction and reduced wear.<\/li>\n<li>J-shaped stainless steel elastic sealing ring.<\/li>\n<li>Multilayer metal hard sealing structure for high-temperature service.<\/li>\n<li>Stainless steel sealing surfaces with good corrosion resistance.<\/li>\n<li>Cobalt-based hard alloy overlay on the disc sealing surface.<\/li>\n<li>Bidirectional sealing capability.<\/li>\n<li>Self-tightening sealing performance during valve closing.<\/li>\n<li>Large-size discs use a truss-type structure for high strength.<\/li>\n<li>Large flow area and low flow resistance.<\/li>\n<li>Pneumatic actuator installation in multiple positions for flexible operation.<\/li>\n<li>Suitable for horizontal, vertical and other installation positions.<\/li>\n<\/ul>\n<h2 style=\"color: #123a5a; font-size: 26px; margin: 28px 0 16px;\">Pneumatic Operation<\/h2>\n<p>The pneumatic actuator provides fast and reliable quarter-turn operation. The actuator<br \/>\ncan be arranged in different positions according to pipeline layout and operating<br \/>\nrequirements. The valve series can also be supplied with worm gear, electric or<br \/>\nhydraulic operation when required by the project.<\/p>\n<h2 style=\"color: #123a5a; font-size: 26px; margin: 28px 0 16px;\">\u6280\u672f\u89c4\u683c<\/h2>\n<div style=\"width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; margin-bottom: 28px;\">\n<table style=\"width: 100%; min-width: 760px; border: 1px solid #111111!important; border-collapse: collapse; background: #ffffff;\" border=\"1\" rules=\"all\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<th style=\"width: 34%; padding: 11px; border: 1px solid #111111!important; background: #eaf3f8; text-align: left;\">\u9879\u76ee<\/th>\n<th style=\"padding: 11px; border: 1px solid #111111!important; background: #eaf3f8; text-align: left;\">\u89c4\u683c<\/th>\n<\/tr>\n<tr>\n<td style=\"padding: 11px; border: 1px solid #111111!important;\">\u4ea7\u54c1\u7c7b\u578b<\/td>\n<td style=\"padding: 11px; border: 1px solid #111111!important;\">Pneumatic flanged triple-offset butterfly valve<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 11px; border: 1px solid #111111!important;\">Nominal Diameter<\/td>\n<td style=\"padding: 11px; border: 1px solid #111111!important;\">DN50\u2013DN2000<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 11px; border: 1px solid #111111!important;\">\u516c\u79f0\u538b\u529b<\/td>\n<td style=\"padding: 11px; border: 1px solid #111111!important;\">PN0.6, PN1.0, PN1.6 and PN2.5 MPa<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 11px; border: 1px solid #111111!important;\">Sealing Design<\/td>\n<td style=\"padding: 11px; border: 1px solid #111111!important;\">Triple-offset multilayer metal hard seal with J-shaped elastic sealing ring<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 11px; border: 1px solid #111111!important;\">Carbon Steel Temperature<\/td>\n<td style=\"padding: 11px; border: 1px solid #111111!important;\">-29\u00b0C to +425\u00b0C<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 11px; border: 1px solid #111111!important;\">Stainless Steel Temperature<\/td>\n<td style=\"padding: 11px; border: 1px solid #111111!important;\">-40\u00b0C to +650\u00b0C<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 11px; border: 1px solid #111111!important;\">\u9002\u7528\u4ecb\u8d28<\/td>\n<td style=\"padding: 11px; border: 1px solid #111111!important;\">Water, air, natural gas, oil and mildly corrosive fluids<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 11px; border: 1px solid #111111!important;\">\u6cc4\u6f0f\u6807\u51c6<\/td>\n<td style=\"padding: 11px; border: 1px solid #111111!important;\">GB\/T 13927-1992<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 11px; border: 1px solid #111111!important;\">\u64cd\u4f5c<\/td>\n<td style=\"padding: 11px; border: 1px solid #111111!important;\">Pneumatic actuator; worm gear, electric and hydraulic options available<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2 style=\"color: #123a5a; font-size: 26px; margin: 28px 0 16px;\">\u538b\u529b\u6d4b\u8bd5\u6570\u636e<\/h2>\n<div style=\"width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; margin-bottom: 28px;\">\n<table style=\"width: 100%; min-width: 650px; border: 1px solid #111111!important; border-collapse: collapse; background: #ffffff; text-align: center;\" border=\"1\" rules=\"all\" cellspacing=\"0\" cellpadding=\"0\">\n<thead>\n<tr>\n<th style=\"padding: 11px; border: 1px solid #111111!important; background: #eaf3f8;\">Nominal Pressure PN<\/th>\n<th style=\"padding: 11px; border: 1px solid #111111!important; background: #eaf3f8;\">Seal Test Pressure<\/th>\n<th style=\"padding: 11px; border: 1px solid #111111!important; background: #eaf3f8;\">Shell Strength Test Pressure<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #111111!important;\">0.6 MPa<\/td>\n<td style=\"padding: 10px; border: 1px solid #111111!important;\">0.66 MPa<\/td>\n<td style=\"padding: 10px; border: 1px solid #111111!important;\">0.90 MPa<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #111111!important;\">1.0 MPa<\/td>\n<td style=\"padding: 10px; border: 1px solid #111111!important;\">1.10 MPa<\/td>\n<td style=\"padding: 10px; border: 1px solid #111111!important;\">1.50 MPa<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #111111!important;\">1.6 MPa<\/td>\n<td style=\"padding: 10px; border: 1px solid #111111!important;\">1.76 MPa<\/td>\n<td style=\"padding: 10px; border: 1px solid #111111!important;\">2.40 MPa<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #111111!important;\">2.5 MPa<\/td>\n<td style=\"padding: 10px; border: 1px solid #111111!important;\">2.75 MPa<\/td>\n<td style=\"padding: 10px; border: 1px solid #111111!important;\">3.75 MPa<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2 style=\"color: #123a5a; font-size: 26px; margin: 28px 0 16px;\">\u5178\u578b\u5e94\u7528<\/h2>\n<ul style=\"padding-left: 22px; margin-top: 0;\">\n<li>Metallurgical plants<\/li>\n<li>Power generation systems<\/li>\n<li>Petroleum and petrochemical pipelines<\/li>\n<li>Water treatment and water supply systems<\/li>\n<li>Municipal drainage systems<\/li>\n<li>High-temperature gas and fluid pipelines<\/li>\n<li>Industrial flow regulation and shut-off service<\/li>\n<\/ul>\n<h2 style=\"color: #123a5a; font-size: 26px; margin: 28px 0 16px;\">Why Choose a Triple-Offset Butterfly Valve?<\/h2>\n<p>The triple-offset structure allows the disc to move away from the seat during the<br \/>\nopening process. This reduces sliding contact, minimizes sealing-surface wear and<br \/>\nsupports a longer operating life. The metal sealing arrangement also provides<br \/>\nimproved resistance to high temperature, corrosion and media erosion compared with<br \/>\nconventional soft-seated butterfly valves.<\/p>\n<p style=\"padding: 16px 18px; border: 1px solid #1378ae; background: #eef6fa; margin-top: 28px;\">Dimensions, materials, pressure-temperature limits and actuator specifications are reference values based on the supplied technical information. Final specifications shall be confirmed against the approved WDL Valve drawing and project datasheet.<\/p>\n<\/article>","protected":false},"excerpt":{"rendered":"<p>WDL Valve \u6c14\u52a8\u6cd5\u5170\u5f0f\u4e09\u504f\u5fc3\u8776\u9600\u91c7\u7528 J \u5f62\u5f39\u6027\u5bc6\u5c01\u73af\u548c\u591a\u5c42\u91d1\u5c5e\u786c\u5bc6\u5c01\u7ed3\u6784\u3002\u8be5\u9600\u95e8\u9002\u7528\u4e8e\u6c34\u3001\u7a7a\u6c14\u3001\u5929\u7136\u6c14\u3001\u77f3\u6cb9\u4ee5\u53ca\u8f7b\u5ea6\u8150\u8680\u6027\u6d41\u4f53\u7ba1\u9053\u4e2d\u7684\u6d41\u91cf\u8c03\u8282\u548c\u622a\u6b62\uff0c\u6700\u9ad8\u5de5\u4f5c\u6e29\u5ea6\u53ef\u8fbe 425\u00b0C\u3002<\/p>","protected":false},"featured_media":518,"comment_status":"open","ping_status":"closed","template":"","meta":{"_kad_post_transparent":"default","_kad_post_title":"","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":""},"product_brand":[72],"product_cat":[34,32,31,40,41],"product_tag":[],"class_list":["post-517","product","type-product","status-publish","has-post-thumbnail","product_brand-wdl-valve","product_cat-butterfly-valves","product_cat-valve-materials","product_cat-valve-types","product_cat-carbon-steel-valves","product_cat-stainless-steel-valves","first","instock","shipping-taxable","product-type-simple","entry","content-bg","loop-entry"],"_links":{"self":[{"href":"https:\/\/wdlvalve.com\/zh\/wp-json\/wp\/v2\/product\/517","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wdlvalve.com\/zh\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/wdlvalve.com\/zh\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/wdlvalve.com\/zh\/wp-json\/wp\/v2\/comments?post=517"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/wdlvalve.com\/zh\/wp-json\/wp\/v2\/media\/518"}],"wp:attachment":[{"href":"https:\/\/wdlvalve.com\/zh\/wp-json\/wp\/v2\/media?parent=517"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/wdlvalve.com\/zh\/wp-json\/wp\/v2\/product_brand?post=517"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/wdlvalve.com\/zh\/wp-json\/wp\/v2\/product_cat?post=517"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/wdlvalve.com\/zh\/wp-json\/wp\/v2\/product_tag?post=517"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}