{"id":1683,"date":"2025-04-17T14:30:19","date_gmt":"2025-04-17T06:30:19","guid":{"rendered":"https:\/\/www.ductileironsuppliers.com\/?post_type=product&#038;p=1683"},"modified":"2025-04-17T16:57:02","modified_gmt":"2025-04-17T08:57:02","slug":"d400-double-triangular-manhole-cover-1200-x-1200-mm-heavy-duty-access-solution","status":"publish","type":"product","link":"https:\/\/www.ductileironsuppliers.com\/ar\/product\/d400-double-triangular-manhole-cover-1200-x-1200-mm-heavy-duty-access-solution","title":{"rendered":"D400 \u063a\u0637\u0627\u0621 \u0641\u062a\u062d\u0629 \u0645\u0632\u062f\u0648\u062c \u062b\u0644\u0627\u062b\u064a \u0627\u0644\u0634\u0643\u0644 (1200 \u00d7 1200 \u0645\u0645) \u062d\u0644 \u0627\u0644\u0648\u0635\u0648\u0644 \u0644\u0644\u062e\u062f\u0645\u0629 \u0627\u0644\u0634\u0627\u0642\u0629"},"content":{"rendered":"<p class=\"\" data-start=\"229\" data-end=\"348\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">The D400 Double Triangular Manhole Cover is a robust and reliable solution designed for areas subjected to heavy vehicular traffic.<\/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 1200 x 1200 mm, this cover ensures easy access while maintaining structural integrity under demanding conditions.<\/span>\u200b<\/p>\n<h3 data-start=\"355\" data-end=\"370\">Key Features<\/h3>\n<ul data-start=\"372\" data-end=\"988\">\n<li class=\"\" data-start=\"372\" data-end=\"474\">\n<p class=\"\" data-start=\"374\" data-end=\"474\"><strong data-start=\"374\" data-end=\"392\">Load Capacity:<\/strong> <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Tested to withstand loads up to 40 tonnes, making it suitable for main roads, carriageways, and industrial zones.<\/span>\u200b<\/p>\n<\/li>\n<li class=\"\" data-start=\"476\" data-end=\"577\">\n<p class=\"\" data-start=\"478\" data-end=\"577\"><strong data-start=\"478\" data-end=\"493\">Compliance:<\/strong> <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Meets the BS EN 124:2015 D400 classification, ensuring adherence to international safety and quality standards.<\/span>\u200b<\/p>\n<\/li>\n<li class=\"\" data-start=\"579\" data-end=\"678\">\n<p class=\"\" data-start=\"581\" data-end=\"678\"><strong data-start=\"581\" data-end=\"592\">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 provides a non-rock stability, reducing noise and movement under traffic loads.<\/span>\u200b<\/p>\n<\/li>\n<li class=\"\" data-start=\"680\" data-end=\"781\">\n<p class=\"\" data-start=\"682\" data-end=\"781\"><strong data-start=\"682\" data-end=\"695\">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, offering excellent strength and durability.<\/span>\u200b<\/p>\n<\/li>\n<li class=\"\" data-start=\"783\" data-end=\"882\">\n<p class=\"\" data-start=\"785\" data-end=\"882\"><strong data-start=\"785\" data-end=\"796\">Finish:<\/strong> <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Typically coated with black bitumen for corrosion resistance; epoxy coatings available upon request.<\/span>\u200b<\/p>\n<\/li>\n<li class=\"\" data-start=\"884\" data-end=\"988\">\n<p class=\"\" data-start=\"886\" data-end=\"988\"><strong data-start=\"886\" data-end=\"902\">Frame Depth:<\/strong> <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">100 mm, providing a secure fit and enhanced load distribution.<\/span>\u200b<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"995\" data-end=\"1010\">Applications<\/h3>\n<p class=\"\" data-start=\"1012\" data-end=\"1097\"><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=\"1099\" data-end=\"1453\">\n<li class=\"\" data-start=\"1099\" data-end=\"1186\">\n<p class=\"\" data-start=\"1101\" data-end=\"1186\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Highways and main roads.<\/span>\u200b<\/p>\n<\/li>\n<li class=\"\" data-start=\"1188\" data-end=\"1275\">\n<p class=\"\" data-start=\"1190\" data-end=\"1275\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Industrial and commercial areas.<\/span>\u200b<\/p>\n<\/li>\n<li class=\"\" data-start=\"1277\" data-end=\"1364\">\n<p class=\"\" data-start=\"1279\" data-end=\"1364\"><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=\"1366\" data-end=\"1453\">\n<p class=\"\" data-start=\"1368\" data-end=\"1453\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Urban streets and pedestrian zones.<\/span>\u200b<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"1460\" data-end=\"1487\">Technical Specifications<\/h3>\n<ul data-start=\"1489\" data-end=\"2130\">\n<li class=\"\" data-start=\"1489\" data-end=\"1595\">\n<p class=\"\" data-start=\"1491\" data-end=\"1595\"><strong data-start=\"1491\" data-end=\"1509\">Clear Opening:<\/strong> <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">1200 x 1200 mm.<\/span>\u200b<\/p>\n<\/li>\n<li class=\"\" data-start=\"1597\" data-end=\"1708\">\n<p class=\"\" data-start=\"1599\" data-end=\"1708\"><strong data-start=\"1599\" data-end=\"1622\">Overall Frame Size:<\/strong> <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Approximately 1350 x 1350 mm.<\/span>\u200b<\/p>\n<\/li>\n<li class=\"\" data-start=\"1710\" data-end=\"1808\">\n<p class=\"\" data-start=\"1712\" data-end=\"1808\"><strong data-start=\"1712\" data-end=\"1722\">Depth:<\/strong> <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">100 mm.<\/span><\/p>\n<\/li>\n<li class=\"\" data-start=\"1810\" data-end=\"1911\">\n<p class=\"\" data-start=\"1812\" data-end=\"1911\"><strong data-start=\"1812\" data-end=\"1825\">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><\/p>\n<\/li>\n<li class=\"\" data-start=\"1913\" data-end=\"2016\">\n<p class=\"\" data-start=\"1915\" data-end=\"2016\"><strong data-start=\"1915\" data-end=\"1930\">Load Class:<\/strong> <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">D400 (40 tonnes).<\/span>\u200b<\/p>\n<\/li>\n<li class=\"\" data-start=\"2018\" data-end=\"2130\">\n<p class=\"\" data-start=\"2020\" data-end=\"2130\"><strong data-start=\"2020\" data-end=\"2044\">Standard Compliance:<\/strong> <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">BS EN 124:2015.<\/span>\u200b<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"2137\" data-end=\"2170\">Why Choose This Manhole Cover?<\/h3>\n<p class=\"\" data-start=\"2172\" data-end=\"2297\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Engineered for longevity and performance, this manhole cover is the preferred choice for infrastructure projects requiring reliable access solutions.<\/span> <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Its compliance with stringent standards and robust construction ensures safety and durability in high-traffic environments.<\/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>Municipal<\/td>\n<\/tr>\n<tr>\n<td><strong>Product Type<\/strong>:<\/td>\n<td>Access Covers<\/td>\n<\/tr>\n<tr>\n<td><strong>Certified Class<\/strong>:<\/td>\n<td>D400<\/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<\/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>Clear Opening Width<\/strong>:<\/td>\n<td>600 mm<\/td>\n<\/tr>\n<tr>\n<td><strong>Flange Outer Length<\/strong>:<\/td>\n<td>900 mm<\/td>\n<\/tr>\n<tr>\n<td><strong>Flange Outer Width<\/strong>:<\/td>\n<td>750 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>286 kg<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\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","protected":false},"featured_media":1685,"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 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