{"id":881,"date":"2026-09-16T09:10:06","date_gmt":"2026-09-16T09:10:06","guid":{"rendered":"https:\/\/wdlvalve.com\/?post_type=product&#038;p=881"},"modified":"2026-09-17T03:45:35","modified_gmt":"2026-09-17T03:45:35","slug":"duplex-butterfly-valve","status":"publish","type":"product","link":"https:\/\/wdlvalve.com\/vi\/product\/duplex-butterfly-valve\/","title":{"rendered":"Van b\u01b0\u1edbm hai chi\u1ec1u"},"content":{"rendered":"<article class=\"wdl-product-content\">\n<section>\n<h2>Van b\u01b0\u1edbm hai chi\u1ec1u<\/h2>\n<p><strong>WDL Duplex Butterfly Valve<\/strong> provides compact quarter-turn isolation or flow regulation for process systems that need high strength with resistance to chloride pitting and stress-corrosion cracking. Duplex stainless steel combines austenitic and ferritic phases for chloride service that requires higher strength than 300-series stainless steel.<\/p>\n<\/section>\n<section>\n<h2>C\u00e1c t\u00f9y ch\u1ecdn thi\u1ebft k\u1ebf<\/h2>\n<div style=\"width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 18px 0;\">\n<table style=\"width: 100%; min-width: 680px; border-collapse: collapse; border: 1px solid #333;\">\n<tbody>\n<tr>\n<th style=\"border: 1px solid #333; padding: 9px; text-align: left;\">M\u1eb7t h\u00e0ng<\/th>\n<th style=\"border: 1px solid #333; padding: 9px; text-align: left;\">Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt hi\u1ec7n c\u00f3<\/th>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #333; padding: 9px;\">Ch\u1ea5t li\u1ec7u<\/td>\n<td style=\"border: 1px solid #333; padding: 9px;\">Duplex 2205, Super Duplex 2507 or project grade<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #333; padding: 9px;\">Ch\u1ee9c n\u0103ng<\/td>\n<td style=\"border: 1px solid #333; padding: 9px;\">compact quarter-turn isolation or flow regulation<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #333; padding: 9px;\">K\u1ebft n\u1ed1i<\/td>\n<td style=\"border: 1px solid #333; padding: 9px;\">Wafer, lugged or double-flanged<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #333; padding: 9px;\">Ho\u1ea1t \u0111\u1ed9ng<\/td>\n<td style=\"border: 1px solid #333; padding: 9px;\">C\u1ea7n g\u1ea1t, h\u1ed9p s\u1ed1, b\u1ed9 truy\u1ec1n \u0111\u1ed9ng kh\u00ed n\u00e9n ho\u1eb7c \u0111i\u1ec7n<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #333; padding: 9px;\">C\u01a1 s\u1edf thi\u1ebft k\u1ebf<\/td>\n<td style=\"border: 1px solid #333; padding: 9px;\">API 609, EN 593, API 598 or EN 12266-1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/section>\n<section>\n<h2>C\u00e1c \u1ee9ng d\u1ee5ng \u0111i\u1ec3n h\u00ecnh<\/h2>\n<ul>\n<li>Seawater and desalination systems<\/li>\n<li>Offshore and marine pipelines<\/li>\n<li>Pulp and paper processing<\/li>\n<li>Large-diameter process pipelines<\/li>\n<li>Automated isolation and control loops<\/li>\n<\/ul>\n<\/section>\n<section>\n<h2>Ghi ch\u00fa v\u1ec1 vi\u1ec7c l\u1ef1a ch\u1ecdn<\/h2>\n<p>Choose 2205, 2507 or another grade from chloride level, temperature, pressure and required pitting resistance.<\/p>\n<p>Specify shutoff direction, seat material, flange standard, solids content and required operating torque.<\/p>\n<\/section>\n<section>\n<h2>C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n<h3>Why select Duplex Stainless Steel for this butterfly valve?<\/h3>\n<p>Duplex stainless steel combines austenitic and ferritic phases for chloride service that requires higher strength than 300-series stainless steel. Final suitability depends on the complete process conditions and the selected valve trim.<\/p>\n<h3>C\u1ea7n nh\u1eefng th\u00f4ng tin n\u00e0o \u0111\u1ec3 ti\u1ebfn h\u00e0nh l\u1ef1a ch\u1ecdn?<\/h3>\n<p>Vui l\u00f2ng cung c\u1ea5p th\u00f4ng tin v\u1ec1 k\u00edch th\u01b0\u1edbc, m\u1ee9c \u00e1p su\u1ea5t \u0111\u1ecbnh m\u1ee9c, th\u00e0nh ph\u1ea7n m\u00f4i tr\u01b0\u1eddng, n\u1ed3ng \u0111\u1ed9, nhi\u1ec7t \u0111\u1ed9, ti\u00eau chu\u1ea9n k\u1ebft n\u1ed1i, ph\u01b0\u01a1ng th\u1ee9c v\u1eadn h\u00e0nh v\u00e0 s\u1ed1 l\u01b0\u1ee3ng c\u1ea7n thi\u1ebft.<\/p>\n<\/section>\n<p>Vui l\u00f2ng g\u1eedi b\u1ea3ng th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt quy tr\u00ecnh cho WDL \u0111\u1ec3 xem x\u00e9t v\u1eadt li\u1ec7u, x\u00e1c nh\u1eadn k\u00edch th\u01b0\u1edbc v\u00e0 nh\u1eadn b\u00e1o gi\u00e1.<\/p>\n<\/article>","protected":false},"excerpt":{"rendered":"<p>WDL Duplex Butterfly Valve provides compact quarter-turn isolation or flow regulation for seawater and desalination systems and offshore and marine pipelines. Connections, trim and operation are selected to the project conditions.<\/p>","protected":false},"featured_media":633,"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":[34,32,31,44],"product_tag":[69,77,78,80,79],"class_list":["post-881","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-duplex-steel-valves","product_tag-butterfly-valve","product_tag-duplex-butterfly-valve","product_tag-duplex-stainless-steel","product_tag-offshore-and-marine-pipelines","product_tag-seawater-and-desalination-systems","first","instock","shipping-taxable","product-type-simple","entry","content-bg","loop-entry"],"_links":{"self":[{"href":"https:\/\/wdlvalve.com\/vi\/wp-json\/wp\/v2\/product\/881","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wdlvalve.com\/vi\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/wdlvalve.com\/vi\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/wdlvalve.com\/vi\/wp-json\/wp\/v2\/comments?post=881"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/wdlvalve.com\/vi\/wp-json\/wp\/v2\/media\/633"}],"wp:attachment":[{"href":"https:\/\/wdlvalve.com\/vi\/wp-json\/wp\/v2\/media?parent=881"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/wdlvalve.com\/vi\/wp-json\/wp\/v2\/product_brand?post=881"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/wdlvalve.com\/vi\/wp-json\/wp\/v2\/product_cat?post=881"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/wdlvalve.com\/vi\/wp-json\/wp\/v2\/product_tag?post=881"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}