{"id":484,"date":"2026-09-15T09:48:45","date_gmt":"2026-09-15T09:48:45","guid":{"rendered":"https:\/\/wdlvalve.com\/?post_type=product&#038;p=484"},"modified":"2026-09-18T02:48:10","modified_gmt":"2026-09-18T02:48:10","slug":"d71x-%e8%bd%af%e5%af%86%e5%b0%81%e7%89%87%e5%bc%8f%e8%9d%b6%e9%98%80","status":"publish","type":"product","link":"https:\/\/wdlvalve.com\/zh\/product\/d71x-%e8%bd%af%e5%af%86%e5%b0%81%e7%89%87%e5%bc%8f%e8%9d%b6%e9%98%80\/","title":{"rendered":"D71X \u8f6f\u5bc6\u5c01\u7247\u5f0f\u8776\u9600"},"content":{"rendered":"<div style=\"font-family: Arial,Helvetica,sans-serif; color: #333; line-height: 1.75; max-width: 1200px; margin: 0 auto;\">\n<h2 style=\"color: #123a5a; font-size: 28px; margin: 0 0 16px;\">D71X \u8f6f\u5bc6\u5c01\u7247\u5f0f\u8776\u9600<\/h2>\n<p>The D71X soft-seated wafer butterfly valve is a compact and lightweight valve<br \/>\ndesigned for reliable flow regulation and shut-off in industrial water supply<br \/>\nand drainage systems. With a 90-degree quarter-turn operation, the valve can be<br \/>\nopened and closed quickly with low operating torque.<\/p>\n<p>WDL Valve supplies D71X soft-seated wafer butterfly valves for water plants,<br \/>\npower plants, steel mills, paper mills, chemical processing, food processing<br \/>\nand other industrial applications. The valve provides reliable sealing, long<br \/>\nservice life and convenient installation in limited spaces.<\/p>\n<h3 style=\"color: #123a5a; font-size: 24px; margin: 28px 0 14px;\">\u4e3b\u8981\u7279\u70b9<\/h3>\n<ul style=\"padding-left: 22px;\">\n<li>Compact wafer-type construction.<\/li>\n<li>Quarter-turn operation with quick opening and closing.<\/li>\n<li>Reliable sealing performance and long service life.<\/li>\n<li>Double-eccentric design with a progressively tighter sealing effect.<\/li>\n<li>Stainless steel and oil-resistant nitrile rubber sealing pair.<\/li>\n<li>Rubber seat can be installed on the valve body or butterfly disc.<\/li>\n<li>Frame-type butterfly disc with high strength and large flow area.<\/li>\n<li>Low flow resistance and low pressure loss.<\/li>\n<li>Full-body coating helps protect the valve against corrosion.<\/li>\n<li>Sealing materials can be changed for different media.<\/li>\n<li>Bidirectional sealing capability.<\/li>\n<li>Can be installed in any direction without being restricted by flow direction.<\/li>\n<li>Available with gear, electric, pneumatic or hydraulic operation.<\/li>\n<\/ul>\n<h3 style=\"color: #123a5a; font-size: 24px; margin: 28px 0 14px;\">\u6280\u672f\u89c4\u683c<\/h3>\n<div style=\"width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; margin-bottom: 28px;\">\n<table style=\"width: 100%; min-width: 750px; border: 1px solid #111!important; border-collapse: collapse; background: #fff;\" border=\"1\" rules=\"all\" cellspacing=\"0\" cellpadding=\"0\">\n<thead>\n<tr>\n<th style=\"padding: 12px; border: 1px solid #111!important; background: #eaf3f8; text-align: left;\">\u9879\u76ee<\/th>\n<th style=\"padding: 12px; border: 1px solid #111!important; background: #eaf3f8; text-align: left;\">\u89c4\u683c<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 12px; border: 1px solid #111!important;\">\u516c\u79f0\u5c3a\u5bf8<\/td>\n<td style=\"padding: 12px; border: 1px solid #111!important;\">DN50 to DN2000; selected dimensions available up to DN1600 according to pressure class<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px; border: 1px solid #111!important;\">\u989d\u5b9a\u538b\u529b<\/td>\n<td style=\"padding: 12px; border: 1px solid #111!important;\">PN0.6\u3001PN1.0 \u548c PN1.6 MPa<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px; border: 1px solid #111!important;\">\u5bc6\u5c01\u8bd5\u9a8c\u538b\u529b<\/td>\n<td style=\"padding: 12px; border: 1px solid #111!important;\">0.66\u30011.10 \u548c 1.76 MPa<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px; border: 1px solid #111!important;\">\u58f3\u4f53\u8bd5\u9a8c\u538b\u529b<\/td>\n<td style=\"padding: 12px; border: 1px solid #111!important;\">0.90\u30011.50 \u548c 2.40 MPa<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px; border: 1px solid #111!important;\">Seat Material<\/td>\n<td style=\"padding: 12px; border: 1px solid #111!important;\">Oil-resistant nitrile rubber or fluororubber<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px; border: 1px solid #111!important;\">\u6e29\u5ea6\u8303\u56f4<\/td>\n<td style=\"padding: 12px; border: 1px solid #111!important;\">\u4e01\u8148\u6a61\u80f6\uff1a-40\u00b0C \u81f3 +90\u00b0C\uff1b\u6c1f\u6a61\u80f6\uff1a-20\u00b0C \u81f3 +200\u00b0C<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px; border: 1px solid #111!important;\">\u9002\u7528\u4ecb\u8d28<\/td>\n<td style=\"padding: 12px; border: 1px solid #111!important;\">\u6c34\u3001\u7a7a\u6c14\u3001\u5929\u7136\u6c14\u3001\u77f3\u6cb9\u4ea7\u54c1\u53ca\u5f31\u8150\u8680\u6027\u6d41\u4f53<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px; border: 1px solid #111!important;\">\u6cc4\u6f0f\u6807\u51c6<\/td>\n<td style=\"padding: 12px; border: 1px solid #111!important;\">GB\/T 13927-1992<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px; border: 1px solid #111!important;\">\u64cd\u4f5c<\/td>\n<td style=\"padding: 12px; border: 1px solid #111!important;\">Gear, electric, pneumatic or hydraulic actuator<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h3 style=\"color: #123a5a; font-size: 24px; margin: 28px 0 14px;\">\u4e3b\u8981\u6750\u6599<\/h3>\n<div style=\"width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; margin-bottom: 28px;\">\n<table style=\"width: 100%; min-width: 700px; border: 1px solid #111!important; border-collapse: collapse; background: #fff; text-align: center;\" border=\"1\" rules=\"all\" cellspacing=\"0\" cellpadding=\"0\">\n<thead>\n<tr>\n<th style=\"padding: 10px; border: 1px solid #111!important; background: #eaf3f8;\">\u90e8\u5206<\/th>\n<th style=\"padding: 10px; border: 1px solid #111!important; background: #eaf3f8;\">\u6750\u6599<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #111!important;\">\u9600\u4f53<\/td>\n<td style=\"padding: 10px; border: 1px solid #111!important;\">WCB\u3001QT450-10\u3001HT200 \u6216 HT250<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #111!important;\">\u8774\u8776\u789f<\/td>\n<td style=\"padding: 10px; border: 1px solid #111!important;\">WCB\u3001QT450-10\u3001HT200 \u6216 HT250<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #111!important;\">\u9600\u6746<\/td>\n<td style=\"padding: 10px; border: 1px solid #111!important;\">2Cr13\u4e0d\u9508\u94a2<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #111!important;\">\u5bc6\u5c01\u73af<\/td>\n<td style=\"padding: 10px; border: 1px solid #111!important;\">\u8010\u6cb9\u4e01\u8148\u6a61\u80f6<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #111!important;\">\u5305\u88c5<\/td>\n<td style=\"padding: 10px; border: 1px solid #111!important;\">\u67d4\u6027\u77f3\u58a8<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h3 style=\"color: #123a5a; font-size: 24px; margin: 28px 0 14px;\">\u9002\u7528\u6807\u51c6<\/h3>\n<div style=\"width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; margin-bottom: 28px;\">\n<table style=\"width: 100%; min-width: 700px; border: 1px solid #111!important; border-collapse: collapse; background: #fff;\" border=\"1\" rules=\"all\" cellspacing=\"0\" cellpadding=\"0\">\n<thead>\n<tr>\n<th style=\"padding: 12px; border: 1px solid #111!important; background: #eaf3f8; text-align: left;\">\u9879\u76ee<\/th>\n<th style=\"padding: 12px; border: 1px solid #111!important; background: #eaf3f8; text-align: left;\">\u6807\u51c6<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 12px; border: 1px solid #111!important;\">\u8bbe\u8ba1\u4e0e\u5236\u9020<\/td>\n<td style=\"padding: 12px; border: 1px solid #111!important;\">GB\/T 12238-1989<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px; border: 1px solid #111!important;\">\u6cd5\u5170\u5c3a\u5bf8<\/td>\n<td style=\"padding: 12px; border: 1px solid #111!important;\">GB 9113-2000 \u548c GB\/T 17241.6-1998<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px; border: 1px solid #111!important;\">\u9762\u5bf9\u9762\u7684\u7ef4\u5ea6<\/td>\n<td style=\"padding: 12px; border: 1px solid #111!important;\">GB\/T 12221-1989<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px; border: 1px solid #111!important;\">\u68c0\u9a8c\u4e0e\u6d4b\u8bd5<\/td>\n<td style=\"padding: 12px; border: 1px solid #111!important;\">GB\/T 13927-1992<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h3 style=\"color: #123a5a; font-size: 24px; margin: 28px 0 14px;\">Main Dimensions \u2014 D71X PN6 \/ PN10 \/ PN16<\/h3>\n<div style=\"width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; margin-bottom: 28px;\">\n<table style=\"width: 100%; min-width: 1100px; border: 1px solid #111!important; border-collapse: collapse; background: #fff; text-align: center;\" border=\"1\" rules=\"all\" cellspacing=\"0\" cellpadding=\"0\">\n<thead>\n<tr>\n<th style=\"padding: 10px; border: 1px solid #111!important; background: #eaf3f8;\" rowspan=\"2\">DN<\/th>\n<th style=\"padding: 10px; border: 1px solid #111!important; background: #eaf3f8;\" rowspan=\"2\">L<\/th>\n<th style=\"padding: 10px; border: 1px solid #111!important; background: #eaf3f8;\" rowspan=\"2\">H<\/th>\n<th style=\"padding: 10px; border: 1px solid #111!important; background: #eaf3f8;\" rowspan=\"2\">H0<\/th>\n<th style=\"padding: 10px; border: 1px solid #111!important; background: #eaf3f8;\" rowspan=\"2\">A<\/th>\n<th style=\"padding: 10px; border: 1px solid #111!important; background: #eaf3f8;\" rowspan=\"2\">B<\/th>\n<th style=\"padding: 10px; border: 1px solid #111!important; background: #eaf3f8;\" colspan=\"2\">PN6<\/th>\n<th style=\"padding: 10px; border: 1px solid #111!important; background: #eaf3f8;\" colspan=\"2\">PN10<\/th>\n<th style=\"padding: 10px; border: 1px solid #111!important; background: #eaf3f8;\" colspan=\"2\">PN16<\/th>\n<\/tr>\n<tr>\n<th style=\"padding: 10px; border: 1px solid #111!important; background: #f4f8fa;\">D0<\/th>\n<th style=\"padding: 10px; border: 1px solid #111!important; background: #f4f8fa;\">n-d<\/th>\n<th style=\"padding: 10px; border: 1px solid #111!important; background: #f4f8fa;\">D0<\/th>\n<th style=\"padding: 10px; border: 1px solid #111!important; background: #f4f8fa;\">n-d<\/th>\n<th style=\"padding: 10px; border: 1px solid #111!important; background: #f4f8fa;\">D0<\/th>\n<th style=\"padding: 10px; border: 1px solid #111!important; background: #f4f8fa;\">n-d<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>50<\/td>\n<td>43<\/td>\n<td>63<\/td>\n<td>235<\/td>\n<td>270<\/td>\n<td>110<\/td>\n<td>110<\/td>\n<td>4-14<\/td>\n<td>125<\/td>\n<td>4-18<\/td>\n<td>125<\/td>\n<td>4-18<\/td>\n<\/tr>\n<tr>\n<td>65<\/td>\n<td>46<\/td>\n<td>70<\/td>\n<td>250<\/td>\n<td>270<\/td>\n<td>110<\/td>\n<td>130<\/td>\n<td>4-14<\/td>\n<td>145<\/td>\n<td>4-18<\/td>\n<td>145<\/td>\n<td>4-18<\/td>\n<\/tr>\n<tr>\n<td>80<\/td>\n<td>46<\/td>\n<td>83<\/td>\n<td>275<\/td>\n<td>270<\/td>\n<td>110<\/td>\n<td>150<\/td>\n<td>4-18<\/td>\n<td>160<\/td>\n<td>8-18<\/td>\n<td>160<\/td>\n<td>8-18<\/td>\n<\/tr>\n<tr>\n<td>100<\/td>\n<td>52<\/td>\n<td>105<\/td>\n<td>316<\/td>\n<td>270<\/td>\n<td>110<\/td>\n<td>170<\/td>\n<td>4-18<\/td>\n<td>180<\/td>\n<td>8-18<\/td>\n<td>180<\/td>\n<td>8-18<\/td>\n<\/tr>\n<tr>\n<td>125<\/td>\n<td>56<\/td>\n<td>115<\/td>\n<td>340<\/td>\n<td>310<\/td>\n<td>110<\/td>\n<td>200<\/td>\n<td>8-18<\/td>\n<td>210<\/td>\n<td>8-18<\/td>\n<td>210<\/td>\n<td>8-18<\/td>\n<\/tr>\n<tr>\n<td>150<\/td>\n<td>56<\/td>\n<td>137<\/td>\n<td>376<\/td>\n<td>310<\/td>\n<td>110<\/td>\n<td>225<\/td>\n<td>8-18<\/td>\n<td>240<\/td>\n<td>8-22<\/td>\n<td>240<\/td>\n<td>8-22<\/td>\n<\/tr>\n<tr>\n<td>200<\/td>\n<td>60<\/td>\n<td>164<\/td>\n<td>430<\/td>\n<td>353<\/td>\n<td>150<\/td>\n<td>280<\/td>\n<td>8-18<\/td>\n<td>295<\/td>\n<td>8-22<\/td>\n<td>295<\/td>\n<td>8-22<\/td>\n<\/tr>\n<tr>\n<td>250<\/td>\n<td>68<\/td>\n<td>206<\/td>\n<td>499<\/td>\n<td>353<\/td>\n<td>150<\/td>\n<td>335<\/td>\n<td>12-18<\/td>\n<td>350<\/td>\n<td>12-22<\/td>\n<td>355<\/td>\n<td>12-26<\/td>\n<\/tr>\n<tr>\n<td>300<\/td>\n<td>78<\/td>\n<td>230<\/td>\n<td>570<\/td>\n<td>380<\/td>\n<td>150<\/td>\n<td>395<\/td>\n<td>12-22<\/td>\n<td>400<\/td>\n<td>12-22<\/td>\n<td>410<\/td>\n<td>12-26<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h3 style=\"color: #123a5a; font-size: 24px; margin: 28px 0 14px;\">\u5178\u578b\u5e94\u7528<\/h3>\n<ul style=\"padding-left: 22px;\">\n<li>\u6c34\u5904\u7406\u5382<\/li>\n<li>\u53d1\u7535\u5382<\/li>\n<li>\u94a2\u94c1\u5382<\/li>\n<li>Paper mills<\/li>\n<li>\u5316\u5de5\u5382<\/li>\n<li>\u98df\u54c1\u548c\u996e\u6599\u7cfb\u7edf<\/li>\n<li>\u5de5\u4e1a\u7ed9\u6392\u6c34\u7cfb\u7edf<\/li>\n<li>Air, natural gas and oil pipelines<\/li>\n<\/ul>\n<p style=\"padding: 16px 18px; border: 1px solid #1378ae; background: #eef6fa;\">\u5c3a\u5bf8\u3001\u6750\u6599\u3001\u9600\u5ea7\u914d\u7f6e\u4ee5\u53ca\u538b\u529b-\u6e29\u5ea6\u6781\u9650\u5747\u4ee5\u851a\u5fb7\u529b\u9600\u95e8\u6700\u7ec8\u6280\u672f\u56fe\u7eb8\u548c\u7ecf\u6279\u51c6\u7684\u9879\u76ee\u6570\u636e\u8868\u4e3a\u51c6\u3002<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>D71X \u8f6f\u5ea7\u7247\u5f0f\u8776\u9600\u91c7\u7528\u7d27\u51d1\u7684\u53cc\u504f\u5fc3\u8bbe\u8ba1\uff0c\u5177\u6709\u64cd\u4f5c\u626d\u77e9\u5c0f\u3001\u53cc\u5411\u5bc6\u5c01\u53ef\u9760\u7684\u7279\u70b9\u3002\u8be5\u9600\u914d\u6709\u53ef\u66f4\u6362\u7684\u4e01\u8148\u6a61\u80f6\u6216\u6c1f\u6a61\u80f6\u9600\u5ea7\uff0c\u9002\u7528\u4e8e\u5de5\u4e1a\u7ba1\u9053\u4e2d\u7684\u6c34\u3001\u7a7a\u6c14\u3001\u5929\u7136\u6c14\u3001\u6cb9\u7c7b\u53ca\u5f31\u8150\u8680\u6027\u6d41\u4f53\u3002<\/p>","protected":false},"featured_media":485,"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":[34,32,31,43],"product_tag":[],"class_list":["post-484","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-cast-ductile-iron-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\/484","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=484"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/wdlvalve.com\/zh\/wp-json\/wp\/v2\/media\/485"}],"wp:attachment":[{"href":"https:\/\/wdlvalve.com\/zh\/wp-json\/wp\/v2\/media?parent=484"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/wdlvalve.com\/zh\/wp-json\/wp\/v2\/product_brand?post=484"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/wdlvalve.com\/zh\/wp-json\/wp\/v2\/product_cat?post=484"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/wdlvalve.com\/zh\/wp-json\/wp\/v2\/product_tag?post=484"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}