{"id":1706,"date":"2025-04-17T15:41:11","date_gmt":"2025-04-17T07:41:11","guid":{"rendered":"https:\/\/www.ductileironsuppliers.com\/?post_type=product&p=1706"},"modified":"2025-04-17T16:52:32","modified_gmt":"2025-04-17T08:52:32","slug":"bs-en1242015-d400-double-triangular-manhole-cover-600mm-dia-clear-opening","status":"publish","type":"product","link":"https:\/\/www.ductileironsuppliers.com\/ar\/product\/bs-en1242015-d400-double-triangular-manhole-cover-600mm-dia-clear-opening","title":{"rendered":"BS EN124:2015 BS EN124:2015 \u063a\u0637\u0627\u0621 \u0641\u062a\u062d\u0629 \u0641\u062a\u062d\u0629 \u0641\u062a\u062d\u0629 D400 \u0645\u0632\u062f\u0648\u062c \u0645\u062b\u0644\u062b\u064a \u0627\u0644\u0634\u0643\u0644 \u0628\u0642\u0637\u0631 600 \u0645\u0645"},"content":{"rendered":"

Our D400 double\u2011triangular cover is fully certified to BS EN 124:2015 Class D400, tested to 400 kN (40 t) static loads for main roads and carriageways. It offers a precise 600 mm clear opening within a 100 mm deep circular frame, seamlessly integrating with standard chambers and surfacing. Crafted from high\u2011grade ductile iron (EN GJS 400\u201115), the cover and frame resist corrosion and fatigue under heavy cyclic loads. The patented double\u2011triangular, three\u2011point suspension non\u2011rock design prevents rattling and debris ingress, ensuring long\u2011term stability and quiet operation. A slip\u2011resistant diamond tread pattern enhances safety in wet and dry conditions. Finished with black bitumen coating and backed by BSI Kitemark certification, the frame incorporates anti\u2011movement technology to secure bedding material and maintain flush seating over time. Available in hinged (135\u00b0) or lift\u2011out configurations with ergonomic keyholes for compliant one\u2011man lifts, it simplifies maintenance and supports rapid access.<\/p>\n

Technical Specifications<\/h3>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Specification<\/th>\nDetails<\/th>\n<\/tr>\n<\/thead>\n
Standard<\/td>\nBS\u00a0EN\u00a0124:2015 Class\u00a0D400<\/td>\n<\/tr>\n
Load Capacity<\/td>\n400\u00a0kN (40\u00a0tonne)<\/td>\n<\/tr>\n
Clear Opening<\/td>\n600\u00a0mm diameter<\/td>\n<\/tr>\n
Frame Depth<\/td>\n100\u00a0mm<\/td>\n<\/tr>\n
Material<\/td>\nDuctile Iron (EN\u00a0GJS\u00a0400\u201115)<\/td>\n<\/tr>\n
Suspension<\/td>\nDouble-triangular, three-point non-rock design<\/td>\n<\/tr>\n
Coating<\/td>\nBlack bitumen (optional epoxy\/powder coat)<\/td>\n<\/tr>\n
Tread Pattern<\/td>\nSlip-resistant diamond pattern<\/td>\n<\/tr>\n
Certification<\/td>\nBSI\u00a0Kitemark<\/td>\n<\/tr>\n
Lifting Mechanism<\/td>\nHinged (135\u00b0) or lift-out; ergonomic keyholes<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Key Features<\/h3>\n

Robust Load Class<\/strong><\/p>\n

Engineered and tested to BS EN 124:2015 D400 standards, sustaining 400 kN loads for highways and busy urban environments.<\/p>\n

Precision Fit<\/strong><\/p>\n

A precise 600 mm diameter aperture in a 100 mm deep circular frame accommodates standard chambers, ensuring flush installation and minimal surfacing build\u2011up.<\/p>\n

Premium Ductile Iron<\/strong><\/p>\n

Manufactured from EN GJS 400\u201115 ductile iron, the cover and frame resist corrosion, cracking, and fatigue under cyclic loading.<\/p>\n

Non\u2011Rock Stability<\/strong><\/p>\n

Unique double\u2011triangular three\u2011point suspension prevents cover movement and noise, enhancing structural stability and public comfort.<\/p>\n

Slip\u2011Resistant Surface<\/strong><\/p>\n

Diamond tread pattern meets slip\u2011resistance requirements, providing enhanced grip for pedestrians and vehicles in all weather conditions.<\/p>\n

Secure Bedding<\/strong><\/p>\n

Anti\u2011movement frame technology locks bedding material in place, preserving road integrity and preventing subsidence over time.<\/p>\n

Certified Quality<\/strong><\/p>\n

BSI Kitemark certified and black\u2011bitumen coated as standard, with optional epoxy or powder\u2011coat finishes to suit project aesthetics.<\/p>\n

Ergonomic Handling<\/strong><\/p>\n

Available hinged (135\u00b0 opening for safety) or lift\u2011out design; strategically placed keyholes allow compliant one\u2011man lifting under EN 13155 regulations.<\/p>\n

Applications<\/h3>\n
    \n
  • \n

    Main Roads & Carriageways:<\/strong> Engineered for heavy traffic zones and emergency routes.<\/p>\n<\/li>\n

  • \n

    Industrial & Distribution Sites:<\/strong> Withstands forklift and delivery vehicle loads.<\/p>\n<\/li>\n

  • \n

    Commercial Car Parks:<\/strong> Delivers strength and safety for public parking areas.<\/p>\n<\/li>\n

  • \n

    Urban Streets & Plazas:<\/strong> Flush integration preserves aesthetic continuity.<\/p>\n<\/li>\n<\/ul>\n

    Installation & Maintenance<\/h3>\n
      \n
    1. \n

      Drop\u2011In Frame:<\/strong> Place the 100\u00a0mm deep frame into a prepared round aperture with minimal bedding mortar.<\/p>\n<\/li>\n

    2. \n

      Hinged Models:<\/strong> Secure cover with integrated hinges\u2014opening locks at 135\u00b0 for safe one\u2011man operation.<\/p>\n<\/li>\n

    3. \n

      Lift\u2011Out Variants:<\/strong> Use standard D400 lifting keys in ergonomic keyholes for fast, compliant removal.<\/p>\n<\/li>\n

    4. \n

      Maintenance:<\/strong> Inspect periodically; reapply bitumen touch\u2011up or chosen finish to extend service life.<\/p>\n<\/li>\n<\/ol>\n

      Why Choose Our D400 Double Triangular Cover?<\/h3>\n

      Combining industry\u2011leading non\u2011rock technology, slip\u2011resistant surfaces, and ductile\u2011iron durability, our cover ensures long\u2011term infrastructure reliability and safety. Backed by BSI\u00a0Kitemark certification and global supply support, it represents a future\u2011proof investment for trafficked environments. For custom badging, specialized coatings, or project-specific technical assistance, contact our engineering team for bespoke solutions and rapid delivery.<\/p>\n

      \n\n\n\n\n\n\n\n\n\n\n\n\n\n
      Family<\/strong>:<\/td>\nMunicipal<\/td>\n<\/tr>\n
      Packaging Qty<\/strong>:<\/td>\n10<\/td>\n<\/tr>\n
      Product Type<\/strong>:<\/td>\nAccess Covers<\/td>\n<\/tr>\n
      Certified Class<\/strong>:<\/td>\nD400<\/td>\n<\/tr>\n
      Standards<\/strong>:<\/td>\nEN124<\/td>\n<\/tr>\n
      Surface Finish<\/strong>:<\/td>\nAnti-slip surface<\/td>\n<\/tr>\n
      Clear Opening<\/strong>:<\/td>\n600 mm<\/td>\n<\/tr>\n
      Flange Outer Length<\/strong>:<\/td>\n750 mm<\/td>\n<\/tr>\n
      Flange Outer Width<\/strong>:<\/td>\n750 mm<\/td>\n<\/tr>\n
      Frame Height<\/strong>:<\/td>\n100 mm<\/td>\n<\/tr>\n
      Weight<\/strong>:<\/td>\n73 kg<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
      \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
      Watertight<\/strong>:<\/td>\nNo<\/td>\n<\/tr>\n
      Cover\/Grating Shape<\/strong>:<\/td>\nDouble Triangular<\/td>\n<\/tr>\n
      Cover\/Grating Length<\/strong>:<\/td>\n590 mm<\/td>\n<\/tr>\n
      Hinged<\/strong>:<\/td>\nNo<\/td>\n<\/tr>\n
      Opening Direction<\/strong>:<\/td>\nVertical<\/td>\n<\/tr>\n
      Frame Style<\/strong>:<\/td>\nMonoblock as Cast<\/td>\n<\/tr>\n
      Frame Shape on Vertical Section<\/strong>:<\/td>\nFlat<\/td>\n<\/tr>\n
      Frame Surface Protection By<\/strong>:<\/td>\nWater-Based Paint<\/td>\n<\/tr>\n
      Nb Anchoring Hole<\/strong>:<\/td>\n16<\/td>\n<\/tr>\n
      Installation Type<\/strong>:<\/td>\nTo Concrete Pre Cast<\/td>\n<\/tr>\n
      Installation On<\/strong>:<\/td>\nConcrete Clear Dia 650mm Maxi<\/td>\n<\/tr>\n
      Handling Key<\/strong>:<\/td>\nCLE BA1 BS \/ 511793<\/td>\n<\/tr>\n
      Locking Key<\/strong>:<\/td>\nN\/A<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

      Ductile iron manhole cover specifications and parameters<\/h3>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
      Parameter<\/strong><\/th>\nSpecification\/Value<\/strong><\/th>\n<\/tr>\n<\/thead>\n
      Material<\/strong><\/td>\nDuctile Cast Iron (Grade 500-7)<\/td>\n<\/tr>\n
      Standard Compliance<\/strong><\/td>\nEN 124, BS 497, ASTM A536, ISO 1083<\/td>\n<\/tr>\n
      Shape<\/strong><\/td>\nRound, Square, Oval<\/td>\n<\/tr>\n
      Load Rating<\/strong><\/td>\nA15, B125, C250, D400, E600, F900 (EN 124 load classes)<\/td>\n<\/tr>\n
      Load Bearing Capacity<\/strong><\/td>\n1.5 – 90 tons (depending on the rating)<\/td>\n<\/tr>\n
      Size (Diameter\/Length)<\/strong><\/td>\n300mm – 1500mm (depending on type and design)<\/td>\n<\/tr>\n
      Thickness of Lid<\/strong><\/td>\n20mm – 60mm (depending on the load class)<\/td>\n<\/tr>\n
      Weight<\/strong><\/td>\n10 kg to 150 kg (depending on size and class)<\/td>\n<\/tr>\n
      Cover Surface<\/strong><\/td>\nSmooth, Anti-slip, Textured for grip<\/td>\n<\/tr>\n
      Corrosion Resistance<\/strong><\/td>\nExcellent, with epoxy coatings or bituminous treatment<\/td>\n<\/tr>\n
      Gasket Type<\/strong><\/td>\nRubber, Neoprene, EPDM<\/td>\n<\/tr>\n
      Sealing Mechanism<\/strong><\/td>\nBolt-down, Locking system, Hinged<\/td>\n<\/tr>\n
      Drainage Holes<\/strong><\/td>\nYes, optional (for water drainage)<\/td>\n<\/tr>\n
      Coating Type<\/strong><\/td>\nBitumen coated, Epoxy coating, Hot-dip galvanizing<\/td>\n<\/tr>\n
      Temperature Resistance<\/strong><\/td>\n-30\u00b0C to +150\u00b0C (depending on coating type)<\/td>\n<\/tr>\n
      Fire Resistance<\/strong><\/td>\nFlame-retardant (meets local standards for fire resistance)<\/td>\n<\/tr>\n
      Noise Level<\/td>\nLow noise design for urban areas<\/td>\n<\/tr>\n
      Ventilation<\/strong><\/td>\nOptional vented covers for gas or sewage systems<\/td>\n<\/tr>\n
      Color<\/strong><\/td>\nBlack, Gray, Custom colors available<\/td>\n<\/tr>\n
      Manufacturing Process<\/strong><\/td>\nSand casting, Lost wax casting, Centrifugal casting<\/td>\n<\/tr>\n
      Edge Type<\/strong><\/td>\nFlat, Raised, Beveled, or Reinforced edges<\/td>\n<\/tr>\n
      Bearing Surface<\/strong><\/td>\nCast iron, Epoxy, Stainless Steel (optional)<\/td>\n<\/tr>\n
      Longevity<\/strong><\/td>\n50+ years with proper maintenance<\/td>\n<\/tr>\n
      Environmental Compliance<\/strong><\/td>\nRoHS, REACH, and other regional environmental standards<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":1707,"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-1706","product","type-product","status-publish","has-post-thumbnail","hentry","products-ductile-iron-manhole-cover"],"acf":[],"yoast_head":"\nBS\u00a0EN124:2015 D400 Double Triangular Manhole Cover 600mm dia Clear Opening - Jingang LuoKaiwei<\/title>\n<meta name=\"description\" content=\"Discover our BS\u00a0EN\u00a0124:2015 Class\u00a0D400 double\u2011triangular manhole cover featuring a 600\u00a0mm diameter clear opening and 100\u00a0mm deep ductile\u2011iron frame. 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