{"id":1760,"date":"2025-04-18T13:48:12","date_gmt":"2025-04-18T05:48:12","guid":{"rendered":"https:\/\/www.ductileironsuppliers.com\/?post_type=product&#038;p=1760"},"modified":"2025-04-18T13:48:12","modified_gmt":"2025-04-18T05:48:12","slug":"d400-hinged-double-triangular-manhole-cover-750-x-450-mm","status":"publish","type":"product","link":"https:\/\/www.ductileironsuppliers.com\/ar\/product\/d400-hinged-double-triangular-manhole-cover-750-x-450-mm","title":{"rendered":"\u063a\u0637\u0627\u0621 \u0641\u062a\u062d\u0629 \u0627\u0644\u062a\u0641\u062a\u064a\u0634 \u0627\u0644\u0645\u0632\u062f\u0648\u062c \u0627\u0644\u0645\u062b\u0644\u062b\u064a \u0627\u0644\u0645\u0641\u0635\u0644\u064a D400 - 750 \u00d7 450 \u0645\u0645"},"content":{"rendered":"<p class=\"\" data-start=\"281\" data-end=\"400\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">The D400 hinged double triangular manhole cover is meticulously designed for high-traffic environments such as highways, urban roads, and commercial zones.<\/span> <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">With a clear opening of 750 x 450 mm and a frame height of 75 mm, it ensures robust performance and easy access for maintenance operations.<\/span><\/p>\n<h3 class=\"\" data-start=\"402\" data-end=\"418\">Key Features<\/h3>\n<ul data-start=\"420\" data-end=\"1048\">\n<li class=\"\" data-start=\"420\" data-end=\"517\">\n<p class=\"\" data-start=\"422\" data-end=\"517\"><strong data-start=\"422\" data-end=\"435\">Material:<\/strong> <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Constructed from high-quality ductile iron, providing exceptional strength and resistance to wear and corrosion.<\/span><\/p>\n<\/li>\n<li class=\"\" data-start=\"519\" data-end=\"616\">\n<p class=\"\" data-start=\"521\" data-end=\"616\"><strong data-start=\"521\" data-end=\"532\">Design:<\/strong> <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">The double triangular configuration ensures a non-rocking fit, enhancing stability under heavy loads.<\/span>\u200b<\/p>\n<\/li>\n<li class=\"\" data-start=\"618\" data-end=\"724\">\n<p class=\"\" data-start=\"620\" data-end=\"724\"><strong data-start=\"620\" data-end=\"638\">Hinged Access:<\/strong> <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Equipped with a hinged mechanism, allowing for safe and efficient one-person operation, reducing the risk of injury during maintenance.<\/span>\u200b<\/p>\n<\/li>\n<li class=\"\" data-start=\"726\" data-end=\"834\">\n<p class=\"\" data-start=\"728\" data-end=\"834\"><strong data-start=\"728\" data-end=\"748\">Load Class D400:<\/strong> <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Certified to withstand loads up to 40 tonnes, making it suitable for carriageways and areas with heavy vehicular traffic.<\/span><\/p>\n<\/li>\n<li class=\"\" data-start=\"836\" data-end=\"943\">\n<p class=\"\" data-start=\"838\" data-end=\"943\"><strong data-start=\"838\" data-end=\"857\">Surface Finish:<\/strong> <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Features a slip-resistant tread pattern to enhance safety for pedestrians and vehicles.<\/span>\u200b<\/p>\n<\/li>\n<li class=\"\" data-start=\"945\" data-end=\"1048\">\n<p class=\"\" data-start=\"947\" data-end=\"1048\"><strong data-start=\"947\" data-end=\"962\">Compliance:<\/strong> <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Meets international standards including BS EN 124-2:2015, ensuring reliability and quality assurance.<\/span>\u200b<\/p>\n<\/li>\n<\/ul>\n<h3 class=\"\" data-start=\"1050\" data-end=\"1066\">Applications<\/h3>\n<p class=\"\" data-start=\"1068\" data-end=\"1153\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Ideal for installation in:<\/span>\u200b<\/p>\n<ul data-start=\"1155\" data-end=\"1509\">\n<li class=\"\" data-start=\"1155\" data-end=\"1242\">\n<p class=\"\" data-start=\"1157\" data-end=\"1242\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Urban and rural roadways<\/span>\u200b<\/p>\n<\/li>\n<li class=\"\" data-start=\"1244\" data-end=\"1331\">\n<p class=\"\" data-start=\"1246\" data-end=\"1331\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Industrial and commercial facilities<\/span>\u200b<\/p>\n<\/li>\n<li class=\"\" data-start=\"1333\" data-end=\"1420\">\n<p class=\"\" data-start=\"1335\" data-end=\"1420\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Parking lots and loading bays<\/span>\u200b<\/p>\n<\/li>\n<li class=\"\" data-start=\"1422\" data-end=\"1509\">\n<p class=\"\" data-start=\"1424\" data-end=\"1509\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Utility and service access points<\/span>\u200b<\/p>\n<\/li>\n<\/ul>\n<h3 class=\"\" data-start=\"1511\" data-end=\"1523\">Benefits<\/h3>\n<ul data-start=\"1525\" data-end=\"1939\">\n<li class=\"\" data-start=\"1525\" data-end=\"1628\">\n<p class=\"\" data-start=\"1527\" data-end=\"1628\"><strong data-start=\"1527\" data-end=\"1542\">Durability:<\/strong> <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Engineered to endure harsh environmental conditions and heavy usage over time.<\/span>\u200b<\/p>\n<\/li>\n<li class=\"\" data-start=\"1630\" data-end=\"1729\">\n<p class=\"\" data-start=\"1632\" data-end=\"1729\"><strong data-start=\"1632\" data-end=\"1643\">Safety:<\/strong> <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Designed with features that minimize the risk of accidents during access and maintenance.<\/span>\u200b<\/p>\n<\/li>\n<li class=\"\" data-start=\"1731\" data-end=\"1834\">\n<p class=\"\" data-start=\"1733\" data-end=\"1834\"><strong data-start=\"1733\" data-end=\"1748\">Efficiency:<\/strong> <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">The hinged design facilitates quick and easy access, reducing downtime during inspections and repairs.<\/span>\u200b<\/p>\n<\/li>\n<li class=\"\" data-start=\"1836\" data-end=\"1939\">\n<p class=\"\" data-start=\"1838\" data-end=\"1939\"><strong data-start=\"1838\" data-end=\"1853\">Compliance:<\/strong> <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Adheres to recognized standards, ensuring compatibility with global infrastructure requirements.<\/span>\u200b<\/p>\n<\/li>\n<\/ul>\n<h3 class=\"\" data-start=\"1941\" data-end=\"1959\">Specifications<\/h3>\n<ul data-start=\"1961\" data-end=\"2489\">\n<li class=\"\" data-start=\"1961\" data-end=\"2067\">\n<p class=\"\" data-start=\"1963\" data-end=\"2067\"><strong data-start=\"1963\" data-end=\"1981\">Clear Opening:<\/strong> <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">750 x 450 mm<\/span>\u200b<\/p>\n<\/li>\n<li class=\"\" data-start=\"2069\" data-end=\"2174\">\n<p class=\"\" data-start=\"2071\" data-end=\"2174\"><strong data-start=\"2071\" data-end=\"2088\">Frame Height:<\/strong> <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">75 mm<\/span>\u200b<\/p>\n<\/li>\n<li class=\"\" data-start=\"2176\" data-end=\"2277\">\n<p class=\"\" data-start=\"2178\" data-end=\"2277\"><strong data-start=\"2178\" data-end=\"2191\">Material:<\/strong> <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Ductile Iron<\/span>\u200b<\/p>\n<\/li>\n<li class=\"\" data-start=\"2279\" data-end=\"2385\">\n<p class=\"\" data-start=\"2281\" data-end=\"2385\"><strong data-start=\"2281\" data-end=\"2299\">Load Capacity:<\/strong> <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">D400 (up to 40 tonnes)<\/span>\u200b<\/p>\n<\/li>\n<li class=\"\" data-start=\"2387\" data-end=\"2489\">\n<p class=\"\" data-start=\"2389\" data-end=\"2489\"><strong data-start=\"2389\" data-end=\"2403\">Standards:<\/strong> <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">BS EN 124-2:2015<\/span>\u200b<\/p>\n<\/li>\n<\/ul>\n<h3 class=\"\" data-start=\"2491\" data-end=\"2505\">Conclusion<\/h3>\n<p class=\"\" data-start=\"2507\" data-end=\"2632\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">The D400 hinged double triangular manhole cover is a reliable and efficient solution for access points in high-traffic areas.<\/span> <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Its robust construction, safety features, and compliance with international standards make it an excellent choice for infrastructure projects requiring durable and accessible manhole covers.<\/span><\/p>\n<div id=\"specificationsTabTable1\" class=\"col-12 col-md-6\">\n<table class=\"table mb-0\">\n<tbody>\n<tr>\n<td><strong>Family<\/strong>:<\/td>\n<td>Telecom \/ Fibre \/ Cable<\/td>\n<\/tr>\n<tr>\n<td><strong>Packaging Qty<\/strong>:<\/td>\n<td>5<\/td>\n<\/tr>\n<tr>\n<td><strong>Product Type<\/strong>:<\/td>\n<td>Telecom Access Cover<\/td>\n<\/tr>\n<tr>\n<td><strong>Certified Class<\/strong>:<\/td>\n<td>D400<\/td>\n<\/tr>\n<tr>\n<td><strong>Standards<\/strong>:<\/td>\n<td>EN124<\/td>\n<\/tr>\n<tr>\n<td><strong>Surface Finish<\/strong>:<\/td>\n<td>Anti-slip surface<\/td>\n<\/tr>\n<tr>\n<td><strong>Clear Opening Length (Hinge Side)<\/strong>:<\/td>\n<td>750 mm<\/td>\n<\/tr>\n<tr>\n<td><strong>Clear Opening Width<\/strong>:<\/td>\n<td>450 mm<\/td>\n<\/tr>\n<tr>\n<td><strong>Flange Outer Length<\/strong>:<\/td>\n<td>914 mm<\/td>\n<\/tr>\n<tr>\n<td><strong>Flange Outer Width<\/strong>:<\/td>\n<td>614 mm<\/td>\n<\/tr>\n<tr>\n<td><strong>Frame Height<\/strong>:<\/td>\n<td>100 mm<\/td>\n<\/tr>\n<tr>\n<td><strong>Weight<\/strong>:<\/td>\n<td>91 kg<\/td>\n<\/tr>\n<tr>\n<td><strong>Watertight<\/strong>:<\/td>\n<td>No<\/td>\n<\/tr>\n<tr>\n<td><strong>Cover\/Grating Shape<\/strong>:<\/td>\n<td>Double Triangular<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<div id=\"specificationsTabTable2\" class=\"col-12 col-md-6\">\n<table class=\"table mb-0\">\n<tbody>\n<tr>\n<td><strong>Cover\/Grating Length<\/strong>:<\/td>\n<td>778 mm<\/td>\n<\/tr>\n<tr>\n<td><strong>Hatch Cover\/Grating Qty<\/strong>:<\/td>\n<td>2<\/td>\n<\/tr>\n<tr>\n<td><strong>Cover Security Block Angle<\/strong>:<\/td>\n<td>90<\/td>\n<\/tr>\n<tr>\n<td><strong>Hinged<\/strong>:<\/td>\n<td>Yes<\/td>\n<\/tr>\n<tr>\n<td><strong>Hinge Type<\/strong>:<\/td>\n<td>TI<\/td>\n<\/tr>\n<tr>\n<td><strong>Lock Type<\/strong>:<\/td>\n<td>1\/4 Turnbuckle<\/td>\n<\/tr>\n<tr>\n<td><strong>Number of Locking<\/strong>:<\/td>\n<td>1<\/td>\n<\/tr>\n<tr>\n<td><strong>Opening Direction<\/strong>:<\/td>\n<td>Vertical<\/td>\n<\/tr>\n<tr>\n<td><strong>Frame Style<\/strong>:<\/td>\n<td>Monoblock as Cast<\/td>\n<\/tr>\n<tr>\n<td><strong>Frame Shape on Vertical Section<\/strong>:<\/td>\n<td>Flat<\/td>\n<\/tr>\n<tr>\n<td><strong>Frame Surface Protection By<\/strong>:<\/td>\n<td>Water-Based Paint<\/td>\n<\/tr>\n<tr>\n<td><strong>Nb Anchoring Hole<\/strong>:<\/td>\n<td>4<\/td>\n<\/tr>\n<tr>\n<td><strong>Installation Type<\/strong>:<\/td>\n<td>With Concrete<\/td>\n<\/tr>\n<tr>\n<td><strong>Diameter Anchoring hole<\/strong>:<\/td>\n<td>20 mm<\/td>\n<\/tr>\n<tr>\n<td><strong>Handling Key<\/strong>:<\/td>\n<td>Hook Handle \/ 517082<\/td>\n<\/tr>\n<tr>\n<td><strong>Locking Key<\/strong>:<\/td>\n<td>CLE TI \/ 514260<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Ductile iron manhole cover specifications and parameters<\/h3>\n<table>\n<thead>\n<tr>\n<th><strong>Parameter<\/strong><\/th>\n<th><strong>Specification\/Value<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Material<\/strong><\/td>\n<td>Ductile Cast Iron (Grade 500-7)<\/td>\n<\/tr>\n<tr>\n<td><strong>Standard Compliance<\/strong><\/td>\n<td>EN 124, BS 497, ASTM A536, ISO 1083<\/td>\n<\/tr>\n<tr>\n<td><strong>Shape<\/strong><\/td>\n<td>Round, Square, Oval<\/td>\n<\/tr>\n<tr>\n<td><strong>Load Rating<\/strong><\/td>\n<td>A15, B125, C250, D400, E600, F900 (EN 124 load classes)<\/td>\n<\/tr>\n<tr>\n<td><strong>Load Bearing Capacity<\/strong><\/td>\n<td>1.5 &#8211; 90 tons (depending on the rating)<\/td>\n<\/tr>\n<tr>\n<td><strong>Size (Diameter\/Length)<\/strong><\/td>\n<td>300mm &#8211; 1500mm (depending on type and design)<\/td>\n<\/tr>\n<tr>\n<td><strong>Thickness of Lid<\/strong><\/td>\n<td>20mm &#8211; 60mm (depending on the load class)<\/td>\n<\/tr>\n<tr>\n<td><strong>Weight<\/strong><\/td>\n<td>10 kg to 150 kg (depending on size and class)<\/td>\n<\/tr>\n<tr>\n<td><strong>Cover Surface<\/strong><\/td>\n<td>Smooth, Anti-slip, Textured for grip<\/td>\n<\/tr>\n<tr>\n<td><strong>Corrosion Resistance<\/strong><\/td>\n<td>Excellent, with epoxy coatings or bituminous treatment<\/td>\n<\/tr>\n<tr>\n<td><strong>Gasket Type<\/strong><\/td>\n<td>Rubber, Neoprene, EPDM<\/td>\n<\/tr>\n<tr>\n<td><strong>Sealing Mechanism<\/strong><\/td>\n<td>Bolt-down, Locking system, Hinged<\/td>\n<\/tr>\n<tr>\n<td><strong>Drainage Holes<\/strong><\/td>\n<td>Yes, optional (for water drainage)<\/td>\n<\/tr>\n<tr>\n<td><strong>Coating Type<\/strong><\/td>\n<td>Bitumen coated, Epoxy coating, Hot-dip galvanizing<\/td>\n<\/tr>\n<tr>\n<td><strong>Temperature Resistance<\/strong><\/td>\n<td>-30\u00b0C to +150\u00b0C (depending on coating type)<\/td>\n<\/tr>\n<tr>\n<td><strong>Fire Resistance<\/strong><\/td>\n<td>Flame-retardant (meets local standards for fire resistance)<\/td>\n<\/tr>\n<tr>\n<td>Noise Level<\/td>\n<td>Low noise design for urban areas<\/td>\n<\/tr>\n<tr>\n<td><strong>Ventilation<\/strong><\/td>\n<td>Optional vented covers for gas or sewage systems<\/td>\n<\/tr>\n<tr>\n<td><strong>Color<\/strong><\/td>\n<td>Black, Gray, Custom colors available<\/td>\n<\/tr>\n<tr>\n<td><strong>Manufacturing Process<\/strong><\/td>\n<td>Sand casting, Lost wax casting, Centrifugal casting<\/td>\n<\/tr>\n<tr>\n<td><strong>Edge Type<\/strong><\/td>\n<td>Flat, Raised, Beveled, or Reinforced edges<\/td>\n<\/tr>\n<tr>\n<td><strong>Bearing Surface<\/strong><\/td>\n<td>Cast iron, Epoxy, Stainless Steel (optional)<\/td>\n<\/tr>\n<tr>\n<td><strong>Longevity<\/strong><\/td>\n<td>50+ years with proper maintenance<\/td>\n<\/tr>\n<tr>\n<td><strong>Environmental Compliance<\/strong><\/td>\n<td>RoHS, REACH, and other regional environmental standards<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n","protected":false},"featured_media":1762,"template":"","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"tags":[],"products":[9],"class_list":["post-1760","product","type-product","status-publish","has-post-thumbnail","hentry","products-ductile-iron-manhole-cover"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>D400 Hinged Double Triangular Manhole Cover \u2013 750 x 450 mm- Jingang LuoKaiwei<\/title>\n<meta name=\"description\" content=\"Discover the D400 hinged double triangular manhole cover with a 750 x 450 mm clear opening and 75 mm frame height. Engineered for high-traffic areas, offering durability, safety, and compliance with international standards.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.ductileironsuppliers.com\/ar\/product\/d400-hinged-double-triangular-manhole-cover-750-x-450-mm\/\" \/>\n<meta property=\"og:locale\" content=\"ar_AR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"D400 Hinged Double Triangular Manhole Cover \u2013 750 x 450 mm- Jingang LuoKaiwei\" \/>\n<meta property=\"og:description\" content=\"Discover the D400 hinged double triangular manhole cover with a 750 x 450 mm clear opening and 75 mm frame height. Engineered for high-traffic areas, offering durability, safety, and compliance with international standards.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ductileironsuppliers.com\/ar\/product\/d400-hinged-double-triangular-manhole-cover-750-x-450-mm\/\" \/>\n<meta property=\"og:site_name\" content=\"Jingang LuoKaiwei\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.ductileironsuppliers.com\/wp-content\/uploads\/2025\/04\/myzzf-waqpt.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"575\" \/>\n\t<meta property=\"og:image:height\" content=\"411\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.ductileironsuppliers.com\\\/product\\\/d400-hinged-double-triangular-manhole-cover-750-x-450-mm\",\"url\":\"https:\\\/\\\/www.ductileironsuppliers.com\\\/product\\\/d400-hinged-double-triangular-manhole-cover-750-x-450-mm\",\"name\":\"D400 Hinged Double Triangular Manhole Cover \u2013 750 x 450 mm- Jingang LuoKaiwei\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.ductileironsuppliers.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.ductileironsuppliers.com\\\/product\\\/d400-hinged-double-triangular-manhole-cover-750-x-450-mm#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.ductileironsuppliers.com\\\/product\\\/d400-hinged-double-triangular-manhole-cover-750-x-450-mm#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.ductileironsuppliers.com\\\/wp-content\\\/uploads\\\/2025\\\/04\\\/myzzf-waqpt.webp\",\"datePublished\":\"2025-04-18T05:48:12+00:00\",\"description\":\"Discover the D400 hinged double triangular manhole cover with a 750 x 450 mm clear opening and 75 mm frame height. Engineered for high-traffic areas, offering durability, safety, and compliance with international standards.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.ductileironsuppliers.com\\\/product\\\/d400-hinged-double-triangular-manhole-cover-750-x-450-mm#breadcrumb\"},\"inLanguage\":\"ar\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.ductileironsuppliers.com\\\/product\\\/d400-hinged-double-triangular-manhole-cover-750-x-450-mm\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"ar\",\"@id\":\"https:\\\/\\\/www.ductileironsuppliers.com\\\/product\\\/d400-hinged-double-triangular-manhole-cover-750-x-450-mm#primaryimage\",\"url\":\"https:\\\/\\\/www.ductileironsuppliers.com\\\/wp-content\\\/uploads\\\/2025\\\/04\\\/myzzf-waqpt.webp\",\"contentUrl\":\"https:\\\/\\\/www.ductileironsuppliers.com\\\/wp-content\\\/uploads\\\/2025\\\/04\\\/myzzf-waqpt.webp\",\"width\":575,\"height\":411,\"caption\":\"D400 Hinged Double Triangular Manhole Cover \u2013 750 x 450 mm\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.ductileironsuppliers.com\\\/product\\\/d400-hinged-double-triangular-manhole-cover-750-x-450-mm#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.ductileironsuppliers.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Products\",\"item\":\"https:\\\/\\\/www.ductileironsuppliers.com\\\/product\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"D400 Hinged Double Triangular Manhole Cover \u2013 750 x 450 mm\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.ductileironsuppliers.com\\\/#website\",\"url\":\"https:\\\/\\\/www.ductileironsuppliers.com\\\/\",\"name\":\"Jingang LuoKaiwei\",\"description\":\"Ductile iron pipe suppliers\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.ductileironsuppliers.com\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.ductileironsuppliers.com\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"ar\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.ductileironsuppliers.com\\\/#organization\",\"name\":\"Jingang LuoKaiwei\",\"url\":\"https:\\\/\\\/www.ductileironsuppliers.com\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ar\",\"@id\":\"https:\\\/\\\/www.ductileironsuppliers.com\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"\",\"contentUrl\":\"\",\"caption\":\"Jingang LuoKaiwei\"},\"image\":{\"@id\":\"https:\\\/\\\/www.ductileironsuppliers.com\\\/#\\\/schema\\\/logo\\\/image\\\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"\u063a\u0637\u0627\u0621 \u0641\u062a\u062d\u0629 \u0627\u0644\u062a\u0641\u062a\u064a\u0634 \u0627\u0644\u0645\u0632\u062f\u0648\u062c \u0627\u0644\u062b\u0644\u0627\u062b\u064a \u0627\u0644\u0645\u0641\u0635\u0644\u064a \u0627\u0644\u0645\u0632\u062f\u0648\u062c D400 - 750 \u00d7 450 \u0645\u0645 - \u062c\u064a\u0646\u063a\u0627\u0646\u063a \u0644\u0648\u0648\u0643\u0627\u064a\u0648\u064a","description":"\u0627\u0643\u062a\u0634\u0641 \u063a\u0637\u0627\u0621 \u0627\u0644\u0641\u062a\u062d\u0629 \u0627\u0644\u0645\u0632\u062f\u0648\u062c \u0627\u0644\u062b\u0644\u0627\u062b\u064a \u0627\u0644\u0645\u0641\u0635\u0644\u064a \u0627\u0644\u0645\u0632\u062f\u0648\u062c D400 \u0627\u0644\u0645\u0632\u0648\u062f \u0628\u0641\u062a\u062d\u0629 \u0634\u0641\u0627\u0641\u0629 \u0645\u0642\u0627\u0633 750 \u00d7 450 \u0645\u0645 \u0648\u0627\u0631\u062a\u0641\u0627\u0639 \u0625\u0637\u0627\u0631 75 \u0645\u0645. \u0645\u0635\u0645\u0645\u0629 \u0644\u0644\u0645\u0646\u0627\u0637\u0642 \u0630\u0627\u062a \u0627\u0644\u0627\u0632\u062f\u062d\u0627\u0645 \u0627\u0644\u0634\u062f\u064a\u062f\u060c \u0648\u062a\u0648\u0641\u0631 \u0627\u0644\u0645\u062a\u0627\u0646\u0629 \u0648\u0627\u0644\u0633\u0644\u0627\u0645\u0629 \u0648\u0627\u0644\u0627\u0645\u062a\u062b\u0627\u0644 \u0644\u0644\u0645\u0639\u0627\u064a\u064a\u0631 \u0627\u0644\u062f\u0648\u0644\u064a\u0629.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.ductileironsuppliers.com\/ar\/product\/d400-hinged-double-triangular-manhole-cover-750-x-450-mm\/","og_locale":"ar_AR","og_type":"article","og_title":"D400 Hinged Double Triangular Manhole Cover \u2013 750 x 450 mm- Jingang LuoKaiwei","og_description":"Discover the D400 hinged double triangular manhole cover with a 750 x 450 mm clear opening and 75 mm frame height. Engineered for high-traffic areas, offering durability, safety, and compliance with international standards.","og_url":"https:\/\/www.ductileironsuppliers.com\/ar\/product\/d400-hinged-double-triangular-manhole-cover-750-x-450-mm\/","og_site_name":"Jingang LuoKaiwei","og_image":[{"width":575,"height":411,"url":"https:\/\/www.ductileironsuppliers.com\/wp-content\/uploads\/2025\/04\/myzzf-waqpt.webp","type":"image\/webp"}],"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.ductileironsuppliers.com\/product\/d400-hinged-double-triangular-manhole-cover-750-x-450-mm","url":"https:\/\/www.ductileironsuppliers.com\/product\/d400-hinged-double-triangular-manhole-cover-750-x-450-mm","name":"\u063a\u0637\u0627\u0621 \u0641\u062a\u062d\u0629 \u0627\u0644\u062a\u0641\u062a\u064a\u0634 \u0627\u0644\u0645\u0632\u062f\u0648\u062c \u0627\u0644\u062b\u0644\u0627\u062b\u064a \u0627\u0644\u0645\u0641\u0635\u0644\u064a \u0627\u0644\u0645\u0632\u062f\u0648\u062c D400 - 750 \u00d7 450 \u0645\u0645 - \u062c\u064a\u0646\u063a\u0627\u0646\u063a \u0644\u0648\u0648\u0643\u0627\u064a\u0648\u064a","isPartOf":{"@id":"https:\/\/www.ductileironsuppliers.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.ductileironsuppliers.com\/product\/d400-hinged-double-triangular-manhole-cover-750-x-450-mm#primaryimage"},"image":{"@id":"https:\/\/www.ductileironsuppliers.com\/product\/d400-hinged-double-triangular-manhole-cover-750-x-450-mm#primaryimage"},"thumbnailUrl":"https:\/\/www.ductileironsuppliers.com\/wp-content\/uploads\/2025\/04\/myzzf-waqpt.webp","datePublished":"2025-04-18T05:48:12+00:00","description":"\u0627\u0643\u062a\u0634\u0641 \u063a\u0637\u0627\u0621 \u0627\u0644\u0641\u062a\u062d\u0629 \u0627\u0644\u0645\u0632\u062f\u0648\u062c \u0627\u0644\u062b\u0644\u0627\u062b\u064a \u0627\u0644\u0645\u0641\u0635\u0644\u064a \u0627\u0644\u0645\u0632\u062f\u0648\u062c D400 \u0627\u0644\u0645\u0632\u0648\u062f \u0628\u0641\u062a\u062d\u0629 \u0634\u0641\u0627\u0641\u0629 \u0645\u0642\u0627\u0633 750 \u00d7 450 \u0645\u0645 \u0648\u0627\u0631\u062a\u0641\u0627\u0639 \u0625\u0637\u0627\u0631 75 \u0645\u0645. \u0645\u0635\u0645\u0645\u0629 \u0644\u0644\u0645\u0646\u0627\u0637\u0642 \u0630\u0627\u062a \u0627\u0644\u0627\u0632\u062f\u062d\u0627\u0645 \u0627\u0644\u0634\u062f\u064a\u062f\u060c \u0648\u062a\u0648\u0641\u0631 \u0627\u0644\u0645\u062a\u0627\u0646\u0629 \u0648\u0627\u0644\u0633\u0644\u0627\u0645\u0629 \u0648\u0627\u0644\u0627\u0645\u062a\u062b\u0627\u0644 \u0644\u0644\u0645\u0639\u0627\u064a\u064a\u0631 \u0627\u0644\u062f\u0648\u0644\u064a\u0629.","breadcrumb":{"@id":"https:\/\/www.ductileironsuppliers.com\/product\/d400-hinged-double-triangular-manhole-cover-750-x-450-mm#breadcrumb"},"inLanguage":"ar","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.ductileironsuppliers.com\/product\/d400-hinged-double-triangular-manhole-cover-750-x-450-mm"]}]},{"@type":"ImageObject","inLanguage":"ar","@id":"https:\/\/www.ductileironsuppliers.com\/product\/d400-hinged-double-triangular-manhole-cover-750-x-450-mm#primaryimage","url":"https:\/\/www.ductileironsuppliers.com\/wp-content\/uploads\/2025\/04\/myzzf-waqpt.webp","contentUrl":"https:\/\/www.ductileironsuppliers.com\/wp-content\/uploads\/2025\/04\/myzzf-waqpt.webp","width":575,"height":411,"caption":"D400 Hinged Double Triangular Manhole Cover \u2013 750 x 450 mm"},{"@type":"BreadcrumbList","@id":"https:\/\/www.ductileironsuppliers.com\/product\/d400-hinged-double-triangular-manhole-cover-750-x-450-mm#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.ductileironsuppliers.com\/"},{"@type":"ListItem","position":2,"name":"Products","item":"https:\/\/www.ductileironsuppliers.com\/product"},{"@type":"ListItem","position":3,"name":"D400 Hinged Double Triangular Manhole Cover \u2013 750 x 450 mm"}]},{"@type":"WebSite","@id":"https:\/\/www.ductileironsuppliers.com\/#website","url":"https:\/\/www.ductileironsuppliers.com\/","name":"\u062c\u064a\u0646\u063a\u0627\u0646\u063a \u0644\u0648\u0647\u0643\u0627\u064a\u0648\u064a","description":"\u0645\u0648\u0631\u062f\u0648 \u0623\u0646\u0627\u0628\u064a\u0628 \u062d\u062f\u064a\u062f \u0627\u0644\u062f\u0643\u062a\u0627\u064a\u0644","publisher":{"@id":"https:\/\/www.ductileironsuppliers.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.ductileironsuppliers.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"ar"},{"@type":"Organization","@id":"https:\/\/www.ductileironsuppliers.com\/#organization","name":"\u062c\u064a\u0646\u063a\u0627\u0646\u063a \u0644\u0648\u0647\u0643\u0627\u064a\u0648\u064a","url":"https:\/\/www.ductileironsuppliers.com\/","logo":{"@type":"ImageObject","inLanguage":"ar","@id":"https:\/\/www.ductileironsuppliers.com\/#\/schema\/logo\/image\/","url":"","contentUrl":"","caption":"Jingang LuoKaiwei"},"image":{"@id":"https:\/\/www.ductileironsuppliers.com\/#\/schema\/logo\/image\/"}}]}},"_links":{"self":[{"href":"https:\/\/www.ductileironsuppliers.com\/ar\/wp-json\/wp\/v2\/product\/1760","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ductileironsuppliers.com\/ar\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.ductileironsuppliers.com\/ar\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ductileironsuppliers.com\/ar\/wp-json\/wp\/v2\/media\/1762"}],"wp:attachment":[{"href":"https:\/\/www.ductileironsuppliers.com\/ar\/wp-json\/wp\/v2\/media?parent=1760"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ductileironsuppliers.com\/ar\/wp-json\/wp\/v2\/tags?post=1760"},{"taxonomy":"products","embeddable":true,"href":"https:\/\/www.ductileironsuppliers.com\/ar\/wp-json\/wp\/v2\/products?post=1760"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}