{"id":468,"date":"2026-09-15T03:09:33","date_gmt":"2026-09-15T03:09:33","guid":{"rendered":"https:\/\/wdlvalve.com\/?post_type=product&#038;p=468"},"modified":"2026-09-18T02:36:58","modified_gmt":"2026-09-18T02:36:58","slug":"%d8%b5%d9%85%d8%a7%d9%85-%d9%81%d8%b1%d8%a7%d8%b4%d8%a9-%d8%ab%d9%84%d8%a7%d8%ab%d9%8a-%d8%a7%d9%84%d8%a7%d9%86%d8%ad%d8%b1%d8%a7%d9%81-%d8%a7%d9%84%d9%87%d9%88%d8%a7%d8%a6%d9%8a-d673h","status":"publish","type":"product","link":"https:\/\/wdlvalve.com\/ar\/product\/%d8%b5%d9%85%d8%a7%d9%85-%d9%81%d8%b1%d8%a7%d8%b4%d8%a9-%d8%ab%d9%84%d8%a7%d8%ab%d9%8a-%d8%a7%d9%84%d8%a7%d9%86%d8%ad%d8%b1%d8%a7%d9%81-%d8%a7%d9%84%d9%87%d9%88%d8%a7%d8%a6%d9%8a-d673h\/","title":{"rendered":"\u0635\u0645\u0627\u0645 \u0641\u0631\u0627\u0634\u0629 \u0647\u0648\u0627\u0626\u064a \u062b\u0644\u0627\u062b\u064a \u0627\u0644\u0627\u0646\u062d\u0631\u0627\u0641 \u0645\u0646 \u0637\u0631\u0627\u0632 D673H \u0628\u0645\u0642\u0639\u062f \u0645\u0639\u062f\u0646\u064a"},"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;\">\u0635\u0645\u0627\u0645 \u0641\u0631\u0627\u0634\u0629 \u0647\u0648\u0627\u0626\u064a \u062b\u0644\u0627\u062b\u064a \u0627\u0644\u0627\u0646\u062d\u0631\u0627\u0641 \u0645\u0646 \u0637\u0631\u0627\u0632 D673H \u0628\u0645\u0642\u0639\u062f \u0645\u0639\u062f\u0646\u064a<\/h2>\n<p>The D673H pneumatic triple-eccentric butterfly valve uses a flexible stainless steel<br \/>\nU-shaped sealing ring and a polished butterfly disc. The precise triple-eccentric<br \/>\ndesign allows the sealing surfaces to separate immediately when the valve starts to<br \/>\nopen and contact only when the valve closes.<\/p>\n<p>This design significantly reduces sliding friction between the disc and the sealing<br \/>\nring, improves sealing reliability and extends the service life of the valve. The<br \/>\nvalve is suitable for regulating flow and isolating high-temperature, corrosive and<br \/>\nindustrial media up to 550\u00b0C.<\/p>\n<h3 style=\"color: #123a5a; font-size: 24px; margin: 28px 0 14px;\">\u0627\u0644\u0645\u064a\u0632\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/h3>\n<ul style=\"padding-left: 22px;\">\n<li>Compact, lightweight and easy-to-install wafer-type construction.<\/li>\n<li>Stainless steel U-shaped flexible sealing ring for reliable sealing.<\/li>\n<li>Triple-eccentric design minimizes friction and wear during operation.<\/li>\n<li>Hard-facing cobalt-based alloy sealing surface for excellent wear resistance.<\/li>\n<li>Only 90\u00b0 rotation is required for opening and closing.<\/li>\n<li>Reliable shut-off performance is not significantly affected by medium pressure.<\/li>\n<li>Suitable for high-temperature, low-temperature and corrosive service.<\/li>\n<li>Pneumatic actuation is available in double-acting and spring-return versions.<\/li>\n<\/ul>\n<h3 style=\"color: #123a5a; font-size: 24px; margin: 28px 0 14px;\">\u0627\u0644\u0645\u0639\u0627\u064a\u064a\u0631 \u0627\u0644\u0645\u0639\u0645\u0648\u0644 \u0628\u0647\u0627<\/h3>\n<ul style=\"padding-left: 22px;\">\n<li>Design: GB\/T 12238-1989<\/li>\n<li>Flange dimensions: GB\/T 9113.1-2000, GB\/T 9113.2-2000<\/li>\n<li>Flange dimensions: GB\/T 9115.1-2000, GB\/T 9115.2-2000<\/li>\n<li>Face-to-face dimensions: GB\/T 12221-1989<\/li>\n<li>Pressure testing: GB\/T 13927-1992 and JB\/T 9092-1999<\/li>\n<\/ul>\n<h3 style=\"color: #123a5a; font-size: 24px; margin: 28px 0 14px;\">Pneumatic Actuator<\/h3>\n<p>The valve can be equipped with GT-series pneumatic actuators for standard sizes.<br \/>\nLarge-diameter valves can use AW-series fork-type pneumatic actuators. Both<br \/>\ndouble-acting and single-acting spring-return configurations are available.<\/p>\n<ul style=\"padding-left: 22px;\">\n<li>Double-piston rack-and-pinion design with high output torque.<\/li>\n<li>Lightweight aluminium alloy cylinder body.<\/li>\n<li>Optional manual override installed on the top or bottom.<\/li>\n<li>Adjustable opening angle and rated flow.<\/li>\n<li>Optional electrical position feedback and automation accessories.<\/li>\n<li>ISO 5211 mounting interface for convenient installation and replacement.<\/li>\n<li>Adjustment screws provide approximately \u00b14\u00b0 adjustment at 0\u00b0 and 90\u00b0.<\/li>\n<\/ul>\n<h3 style=\"color: #123a5a; font-size: 24px; margin: 28px 0 14px;\">Available Accessories<\/h3>\n<ul style=\"padding-left: 22px;\">\n<li><strong>On-off accessories:<\/strong> single-solenoid valve, double-solenoid valve and limit switch box.<\/li>\n<li><strong>Modulating accessories:<\/strong> electro-pneumatic positioner, pneumatic positioner and I\/P converter.<\/li>\n<li><strong>Air preparation:<\/strong> air filter regulator and air treatment FRL unit.<\/li>\n<li><strong>Manual override:<\/strong> HVSD manual operating mechanism.<\/li>\n<\/ul>\n<h3 style=\"color: #123a5a; font-size: 24px; margin: 28px 0 14px;\">\u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u0646\u0645\u0648\u0630\u062c\u064a\u0629<\/h3>\n<ul style=\"padding-left: 22px;\">\n<li>Metallurgical plants<\/li>\n<li>Power generation systems<\/li>\n<li>Petroleum and petrochemical pipelines<\/li>\n<li>Chemical processing systems<\/li>\n<li>Air and gas pipelines<\/li>\n<li>Combustible gas service<\/li>\n<li>Water supply and drainage systems<\/li>\n<li>High-temperature and corrosive industrial media<\/li>\n<\/ul>\n<h3 style=\"color: #123a5a; font-size: 24px; margin: 28px 0 14px;\">Main Dimensions<\/h3>\n<div style=\"width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch;\">\n<table style=\"width: 100%; min-width: 1050px; border: 1px solid #111!important; border-collapse: collapse; text-align: center; background: #fff;\" 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\">H1<\/th>\n<th style=\"padding: 10px; border: 1px solid #111!important; background: #eaf3f8;\" colspan=\"2\">PN 1.0 MPa<\/th>\n<th style=\"padding: 10px; border: 1px solid #111!important; background: #eaf3f8;\" colspan=\"2\">PN 1.6 MPa<\/th>\n<\/tr>\n<tr>\n<th style=\"padding: 10px; border: 1px solid #111!important; background: #f4f8fa;\">D1<\/th>\n<th style=\"padding: 10px; border: 1px solid #111!important; background: #f4f8fa;\">Bolt<\/th>\n<th style=\"padding: 10px; border: 1px solid #111!important; background: #f4f8fa;\">D1<\/th>\n<th style=\"padding: 10px; border: 1px solid #111!important; background: #f4f8fa;\">Bolt<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>50<\/td>\n<td>43<\/td>\n<td>625<\/td>\n<td>112<\/td>\n<td>125<\/td>\n<td>\u00d818<\/td>\n<td>125<\/td>\n<td>\u00d818<\/td>\n<\/tr>\n<tr>\n<td>65<\/td>\n<td>46<\/td>\n<td>625<\/td>\n<td>115<\/td>\n<td>145<\/td>\n<td>\u00d818<\/td>\n<td>145<\/td>\n<td>\u00d818<\/td>\n<\/tr>\n<tr>\n<td>80<\/td>\n<td>49<\/td>\n<td>645<\/td>\n<td>120<\/td>\n<td>160<\/td>\n<td>\u00d818<\/td>\n<td>160<\/td>\n<td>\u00d818<\/td>\n<\/tr>\n<tr>\n<td>100<\/td>\n<td>56<\/td>\n<td>675<\/td>\n<td>138<\/td>\n<td>180<\/td>\n<td>\u00d818<\/td>\n<td>180<\/td>\n<td>\u00d818<\/td>\n<\/tr>\n<tr>\n<td>125<\/td>\n<td>64<\/td>\n<td>715<\/td>\n<td>164<\/td>\n<td>210<\/td>\n<td>\u00d818<\/td>\n<td>210<\/td>\n<td>\u00d818<\/td>\n<\/tr>\n<tr>\n<td>150<\/td>\n<td>70<\/td>\n<td>800<\/td>\n<td>175<\/td>\n<td>240<\/td>\n<td>\u00d823<\/td>\n<td>240<\/td>\n<td>\u00d823<\/td>\n<\/tr>\n<tr>\n<td>200<\/td>\n<td>71<\/td>\n<td>850<\/td>\n<td>208<\/td>\n<td>295<\/td>\n<td>M20<\/td>\n<td>295<\/td>\n<td>M20<\/td>\n<\/tr>\n<tr>\n<td>250<\/td>\n<td>76<\/td>\n<td>925<\/td>\n<td>243<\/td>\n<td>350<\/td>\n<td>M20<\/td>\n<td>355<\/td>\n<td>M24<\/td>\n<\/tr>\n<tr>\n<td>300<\/td>\n<td>83<\/td>\n<td>1035<\/td>\n<td>283<\/td>\n<td>400<\/td>\n<td>M20<\/td>\n<td>410<\/td>\n<td>M24<\/td>\n<\/tr>\n<tr>\n<td>350<\/td>\n<td>92<\/td>\n<td>1070<\/td>\n<td>310<\/td>\n<td>460<\/td>\n<td>M20<\/td>\n<td>470<\/td>\n<td>M24<\/td>\n<\/tr>\n<tr>\n<td>400<\/td>\n<td>102<\/td>\n<td>1190<\/td>\n<td>340<\/td>\n<td>515<\/td>\n<td>M24<\/td>\n<td>525<\/td>\n<td>M27<\/td>\n<\/tr>\n<tr>\n<td>450<\/td>\n<td>114<\/td>\n<td>1250<\/td>\n<td>380<\/td>\n<td>565<\/td>\n<td>M24<\/td>\n<td>585<\/td>\n<td>M27<\/td>\n<\/tr>\n<tr>\n<td>500<\/td>\n<td>127<\/td>\n<td>1290<\/td>\n<td>410<\/td>\n<td>620<\/td>\n<td>M24<\/td>\n<td>650<\/td>\n<td>M30<\/td>\n<\/tr>\n<tr>\n<td>600<\/td>\n<td>154<\/td>\n<td>1455<\/td>\n<td>470<\/td>\n<td>725<\/td>\n<td>M27<\/td>\n<td>770<\/td>\n<td>M33<\/td>\n<\/tr>\n<tr>\n<td>700<\/td>\n<td>165<\/td>\n<td>1585<\/td>\n<td>550<\/td>\n<td>840<\/td>\n<td>M27<\/td>\n<td>840<\/td>\n<td>M33<\/td>\n<\/tr>\n<tr>\n<td>800<\/td>\n<td>190<\/td>\n<td>1700<\/td>\n<td>640<\/td>\n<td>950<\/td>\n<td>M30<\/td>\n<td>950<\/td>\n<td>M36<\/td>\n<\/tr>\n<tr>\n<td>900<\/td>\n<td>203<\/td>\n<td>1965<\/td>\n<td>710<\/td>\n<td>1050<\/td>\n<td>M30<\/td>\n<td>1050<\/td>\n<td>M36<\/td>\n<\/tr>\n<tr>\n<td>1000<\/td>\n<td>216<\/td>\n<td>2015<\/td>\n<td>770<\/td>\n<td>1160<\/td>\n<td>M33<\/td>\n<td>1170<\/td>\n<td>M39<\/td>\n<\/tr>\n<tr>\n<td>1200<\/td>\n<td>254<\/td>\n<td>2250<\/td>\n<td>890<\/td>\n<td>1380<\/td>\n<td>M36<\/td>\n<td>1390<\/td>\n<td>M45<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p style=\"margin-top: 22px; padding: 16px 18px; border: 1px solid #1378ae; background: #eef6fa;\">Dimensions, actuator configuration, materials and pressure-temperature limits are subject to the final WDL Valve technical drawing and approved project datasheet.<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>D673H pneumatic triple-eccentric butterfly valve features a flexible stainless steel U-shaped sealing ring and a polished disc with three-dimensional eccentric geometry. The sealing surface separates immediately when the valve opens and makes contact only when closing, reducing friction and extending service life. It is suitable for high-temperature, corrosive and demanding applications up to 550\u00b0C in metallurgy, power generation, petroleum, chemical processing, gas, air and water systems.<\/p>","protected":false},"featured_media":469,"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":[34,32,31,41],"product_tag":[],"class_list":["post-468","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-stainless-steel-valves","first","instock","shipping-taxable","product-type-simple","entry","content-bg","loop-entry"],"_links":{"self":[{"href":"https:\/\/wdlvalve.com\/ar\/wp-json\/wp\/v2\/product\/468","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wdlvalve.com\/ar\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/wdlvalve.com\/ar\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/wdlvalve.com\/ar\/wp-json\/wp\/v2\/comments?post=468"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/wdlvalve.com\/ar\/wp-json\/wp\/v2\/media\/469"}],"wp:attachment":[{"href":"https:\/\/wdlvalve.com\/ar\/wp-json\/wp\/v2\/media?parent=468"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/wdlvalve.com\/ar\/wp-json\/wp\/v2\/product_brand?post=468"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/wdlvalve.com\/ar\/wp-json\/wp\/v2\/product_cat?post=468"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/wdlvalve.com\/ar\/wp-json\/wp\/v2\/product_tag?post=468"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}