{"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":"%e0%b8%a7%e0%b8%b2%e0%b8%a5%e0%b9%8c%e0%b8%a7%e0%b8%9c%e0%b8%b5%e0%b9%80%e0%b8%aa%e0%b8%b7%e0%b9%89%e0%b8%ad%e0%b9%81%e0%b8%9a%e0%b8%9a%e0%b8%aa%e0%b8%b2%e0%b8%a1%e0%b8%ad%e0%b8%ad%e0%b8%9f%e0%b9%80","status":"publish","type":"product","link":"https:\/\/wdlvalve.com\/th\/product\/%e0%b8%a7%e0%b8%b2%e0%b8%a5%e0%b9%8c%e0%b8%a7%e0%b8%9c%e0%b8%b5%e0%b9%80%e0%b8%aa%e0%b8%b7%e0%b9%89%e0%b8%ad%e0%b9%81%e0%b8%9a%e0%b8%9a%e0%b8%aa%e0%b8%b2%e0%b8%a1%e0%b8%ad%e0%b8%ad%e0%b8%9f%e0%b9%80\/","title":{"rendered":"\u0e27\u0e32\u0e25\u0e4c\u0e27\u0e1c\u0e35\u0e40\u0e2a\u0e37\u0e49\u0e2d\u0e41\u0e1a\u0e1a\u0e2a\u0e32\u0e21\u0e2d\u0e2d\u0e1f\u0e40\u0e0b\u0e47\u0e15\u0e41\u0e1a\u0e1a\u0e2b\u0e19\u0e49\u0e32\u0e41\u0e1b\u0e25\u0e19\u0e23\u0e30\u0e1a\u0e1a\u0e19\u0e34\u0e27\u0e40\u0e21\u0e15\u0e34\u0e01"},"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;\">\u0e27\u0e32\u0e25\u0e4c\u0e27\u0e1c\u0e35\u0e40\u0e2a\u0e37\u0e49\u0e2d\u0e41\u0e1a\u0e1a\u0e2a\u0e32\u0e21\u0e2d\u0e2d\u0e1f\u0e40\u0e0b\u0e47\u0e15\u0e41\u0e1a\u0e1a\u0e2b\u0e19\u0e49\u0e32\u0e41\u0e1b\u0e25\u0e19\u0e23\u0e30\u0e1a\u0e1a\u0e19\u0e34\u0e27\u0e40\u0e21\u0e15\u0e34\u0e01<\/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;\">\u0e04\u0e38\u0e13\u0e2a\u0e21\u0e1a\u0e31\u0e15\u0e34\u0e2b\u0e25\u0e31\u0e01<\/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;\">Technical Specifications<\/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;\">\u0e23\u0e32\u0e22\u0e01\u0e32\u0e23<\/th>\n<th style=\"padding: 11px; border: 1px solid #111111!important; background: #eaf3f8; text-align: left;\">\u0e02\u0e49\u0e2d\u0e21\u0e39\u0e25\u0e08\u0e33\u0e40\u0e1e\u0e32\u0e30<\/th>\n<\/tr>\n<tr>\n<td style=\"padding: 11px; border: 1px solid #111111!important;\">Product Type<\/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;\">Nominal Pressure<\/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;\">Applicable Media<\/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;\">Leakage Standard<\/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;\">\u0e01\u0e32\u0e23\u0e14\u0e33\u0e40\u0e19\u0e34\u0e19\u0e01\u0e32\u0e23<\/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;\">Pressure Test Data<\/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;\">\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e17\u0e31\u0e48\u0e27\u0e44\u0e1b<\/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>\u0e27\u0e32\u0e25\u0e4c\u0e27\u0e1c\u0e35\u0e40\u0e2a\u0e37\u0e49\u0e2d\u0e41\u0e1a\u0e1a\u0e1f\u0e25\u0e31\u0e07\u0e08\u0e4c\u0e2a\u0e32\u0e21\u0e2d\u0e2d\u0e1f\u0e40\u0e0b\u0e47\u0e15\u0e02\u0e2d\u0e07 WDL Valve \u0e43\u0e0a\u0e49\u0e41\u0e2b\u0e27\u0e19\u0e0b\u0e35\u0e25\u0e22\u0e37\u0e14\u0e2b\u0e22\u0e38\u0e48\u0e19\u0e23\u0e39\u0e1b\u0e15\u0e31\u0e27 J \u0e41\u0e25\u0e30\u0e42\u0e04\u0e23\u0e07\u0e2a\u0e23\u0e49\u0e32\u0e07\u0e0b\u0e35\u0e25\u0e41\u0e02\u0e47\u0e07\u0e2b\u0e25\u0e32\u0e22\u0e0a\u0e31\u0e49\u0e19\u0e08\u0e32\u0e01\u0e42\u0e25\u0e2b\u0e30 \u0e40\u0e2b\u0e21\u0e32\u0e30\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e01\u0e32\u0e23\u0e04\u0e27\u0e1a\u0e04\u0e38\u0e21\u0e01\u0e32\u0e23\u0e44\u0e2b\u0e25\u0e41\u0e25\u0e30\u0e01\u0e32\u0e23\u0e1b\u0e34\u0e14\u0e23\u0e30\u0e1a\u0e1a\u0e43\u0e19\u0e17\u0e48\u0e2d\u0e2a\u0e48\u0e07\u0e19\u0e49\u0e33 \u0e2d\u0e32\u0e01\u0e32\u0e28 \u0e01\u0e4a\u0e32\u0e0b\u0e18\u0e23\u0e23\u0e21\u0e0a\u0e32\u0e15\u0e34 \u0e19\u0e49\u0e33\u0e21\u0e31\u0e19 \u0e41\u0e25\u0e30\u0e02\u0e2d\u0e07\u0e40\u0e2b\u0e25\u0e27\u0e17\u0e35\u0e48\u0e21\u0e35\u0e04\u0e27\u0e32\u0e21\u0e01\u0e31\u0e14\u0e01\u0e23\u0e48\u0e2d\u0e19\u0e40\u0e25\u0e47\u0e01\u0e19\u0e49\u0e2d\u0e22 \u0e17\u0e35\u0e48\u0e2d\u0e38\u0e13\u0e2b\u0e20\u0e39\u0e21\u0e34\u0e2a\u0e39\u0e07\u0e2a\u0e38\u0e14\u0e16\u0e36\u0e07 425\u00b0C.<\/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\/th\/wp-json\/wp\/v2\/product\/517","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wdlvalve.com\/th\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/wdlvalve.com\/th\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/wdlvalve.com\/th\/wp-json\/wp\/v2\/comments?post=517"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/wdlvalve.com\/th\/wp-json\/wp\/v2\/media\/518"}],"wp:attachment":[{"href":"https:\/\/wdlvalve.com\/th\/wp-json\/wp\/v2\/media?parent=517"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/wdlvalve.com\/th\/wp-json\/wp\/v2\/product_brand?post=517"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/wdlvalve.com\/th\/wp-json\/wp\/v2\/product_cat?post=517"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/wdlvalve.com\/th\/wp-json\/wp\/v2\/product_tag?post=517"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}