{"id":1658,"date":"2025-04-17T11:20:38","date_gmt":"2025-04-17T03:20:38","guid":{"rendered":"https:\/\/www.ductileironsuppliers.com\/?post_type=product&p=1658"},"modified":"2025-04-17T17:05:53","modified_gmt":"2025-04-17T09:05:53","slug":"d400-manhole-cover-multileaf-system-900-x-900mm","status":"publish","type":"product","link":"https:\/\/www.ductileironsuppliers.com\/ar\/product\/d400-manhole-cover-multileaf-system-900-x-900mm","title":{"rendered":"\u063a\u0637\u0627\u0621 \u0641\u062a\u062d\u0629 \u0627\u0644\u062a\u0641\u062a\u064a\u0634 D400 \u0646\u0638\u0627\u0645 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0623\u063a\u0637\u064a\u0629 D400 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0623\u0648\u0631\u0627\u0642 900 \u00d7 900 \u0645\u0645"},"content":{"rendered":"

The D400 Multileaf Manhole Cover<\/strong>, featuring a 900 x 900 mm clear opening, is designed to meet the demanding needs of high-traffic areas with heavy vehicular load requirements. Rated to withstand loads up to 400 kN (40 tonnes), this cover is a top choice for infrastructure projects that involve highways, ports, industrial zones, and airports, where heavy machinery and commercial vehicles are a constant. Manufactured in strict adherence to BS EN 124:2015<\/strong> standards, it offers exceptional durability, safety, and ease of maintenance.<\/p>\n

Constructed from GGG500\/7 ductile iron<\/strong>, this manhole cover combines high strength with excellent fatigue resistance, ensuring reliable performance even in the most challenging environments. The multileaf design<\/strong>, which divides the cover into multiple sections, provides a unique advantage: the individual leaves are lightweight and easy to lift, allowing for quick installation and reduced risk of injury during maintenance. The multileaf system also enhances the structural integrity of the cover by evenly distributing load stress across each section.<\/p>\n

A robust three-point suspension system<\/strong> ensures the cover sits securely in place, preventing any rattling or shifting even under extreme traffic conditions. The slip-resistant surface pattern<\/strong> increases pedestrian safety, while the corrosion-resistant coating\u2014either bitumen<\/strong> or epoxy finish<\/strong>\u2014extends the service life of the cover, providing superior protection in coastal, chemical, or industrial environments.<\/p>\n

Product Overview<\/h3>\n
    \n
  • \n

    Multileaf Design<\/strong>: The multileaf system minimizes the lifting weight of each individual section, speeding up installation and maintenance while maintaining a high level of strength.<\/p>\n<\/li>\n

  • \n

    D400 Load Rating<\/strong>: Engineered for areas exposed to heavy vehicular traffic, the cover is rated to endure up to 400 kN (40 tonnes) of load, ensuring long-term reliability.<\/p>\n<\/li>\n

  • \n

    Ductile Iron Construction<\/strong>: Made from high-quality GGG500\/7 ductile iron, offering superior impact resistance, tensile strength, and resistance to cracking under heavy load conditions.<\/p>\n<\/li>\n<\/ul>\n

    Key Specifications<\/h3>\n
    \n

     <\/p>\n

    \n\n\n\n\n\n\n\n\n\n\n\n\n
    Specification<\/th>\nDetails<\/th>\n<\/tr>\n<\/thead>\n
    Clear Opening<\/strong><\/td>\n900\u202f\u00d7\u202f900\u202fmm<\/td>\n<\/tr>\n
    Cover Type<\/strong><\/td>\nMultileaf Design<\/td>\n<\/tr>\n
    Load Rating<\/strong><\/td>\nD400 (400 kN \/ 40 t)<\/td>\n<\/tr>\n
    Material<\/strong><\/td>\nGGG500\/7 Ductile Iron (ISO 1083)<\/td>\n<\/tr>\n
    Frame Size<\/strong><\/td>\nApprox. 1000 x 1000 x 100 mm<\/td>\n<\/tr>\n
    Coating<\/strong><\/td>\n30 \u00b5m bitumen (standard); epoxy finish optional<\/td>\n<\/tr>\n
    Lifting Mechanism<\/strong><\/td>\nIntegrated lifting points for ergonomic handling<\/td>\n<\/tr>\n
    Surface Pattern<\/strong><\/td>\nSlip-resistant grid pattern for added safety<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

    Technical Features<\/h3>\n
      \n
    • \n

      Multileaf Design<\/strong>: The division of the cover into individual sections not only reduces the weight per piece but also makes it easier to handle and install, significantly reducing labor costs. Each leaf is securely interlocked, providing a stable, solid cover.<\/p>\n<\/li>\n

    • \n

      Ductile Iron Construction<\/strong>: Known for its outstanding toughness and resistance to impact and fatigue, GGG500\/7 ductile iron offers an excellent combination of strength and flexibility, making it ideal for environments with high mechanical stress.<\/p>\n<\/li>\n

    • \n

      Secure Fit<\/strong>: The three-point suspension system and precision-machined surfaces ensure that the cover sits flush in the frame, preventing rattling and movement.<\/p>\n<\/li>\n

    • \n

      Corrosion-Resistant Coating<\/strong>: The manhole cover is finished with a protective bitumen<\/strong> or epoxy coating<\/strong>, providing added protection against moisture, chemicals, and corrosion, making it suitable for a variety of harsh environments.<\/p>\n<\/li>\n<\/ul>\n

      Quality & Compliance<\/h3>\n
        \n
      • \n

        BS EN 124:2015 Compliance<\/strong>: Meets D400 load class standards for manhole covers, ensuring it can handle the heaviest traffic loads typically encountered on roadways, industrial zones, and transportation hubs.<\/p>\n<\/li>\n

      • \n

        ISO 9001 Certified<\/strong>: Manufactured in compliance with ISO 9001 quality management systems, ensuring that every cover meets rigorous quality standards.<\/p>\n<\/li>\n

      • \n

        Third-Party Testing<\/strong>: The cover undergoes independent third-party testing to guarantee it meets the necessary load-bearing and safety specifications required for public infrastructure.<\/p>\n<\/li>\n<\/ul>\n

        Applications & Benefits<\/h3>\n
          \n
        • \n

          Heavy-Traffic Zones<\/strong>: Perfect for use in areas subject to constant high loads, including highways, truck routes, and freight terminals.<\/p>\n<\/li>\n

        • \n

          Increased Safety<\/strong>: The slip-resistant surface helps reduce the risk of accidents and injuries in pedestrian areas, ensuring a safer environment for both workers and the general public.<\/p>\n<\/li>\n

        • \n

          Long-Term Durability<\/strong>: The GGG500\/7 ductile iron construction, combined with the corrosion-resistant coating, ensures the manhole cover will endure for many years with minimal maintenance.<\/p>\n<\/li>\n

        • \n

          Efficient Maintenance<\/strong>: The multileaf system allows for faster and safer maintenance, reducing downtime and disruption during servicing, while the modular design makes it easier to replace individual sections if needed.<\/p>\n<\/li>\n<\/ul>\n

          \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
          Family<\/strong>:<\/td>\nTelecom \/ Fibre \/ Cable<\/td>\n<\/tr>\n
          Packaging Qty<\/strong>:<\/td>\n5<\/td>\n<\/tr>\n
          Product Type<\/strong>:<\/td>\nTelecom Access Cover<\/td>\n<\/tr>\n
          Product Ranges<\/strong>:<\/td>\nTI Range<\/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 Length (Hinge Side)<\/strong>:<\/td>\n900 mm<\/td>\n<\/tr>\n
          Clear Opening Width<\/strong>:<\/td>\n900 mm<\/td>\n<\/tr>\n
          Flange Outer Length<\/strong>:<\/td>\n1100 mm<\/td>\n<\/tr>\n
          Flange Outer Width<\/strong>:<\/td>\n1084 mm<\/td>\n<\/tr>\n
          Frame Height<\/strong>:<\/td>\n150 mm<\/td>\n<\/tr>\n
          Weight<\/strong>:<\/td>\n202 kg<\/td>\n<\/tr>\n
          Mass Per Unit Area<\/strong>:<\/td>\n166 kg<\/td>\n<\/tr>\n
          Watertight<\/strong>:<\/td>\nNo<\/td>\n<\/tr>\n
          Cover\/Grating Shape<\/strong>:<\/td>\nDouble Triangular<\/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\n\n\n
          Cover\/Grating Length<\/strong>:<\/td>\n953 mm<\/td>\n<\/tr>\n
          Hatch Cover\/Grating Qty<\/strong>:<\/td>\n2<\/td>\n<\/tr>\n
          Cover Security Block Angle<\/strong>:<\/td>\n90<\/td>\n<\/tr>\n
          Hinged<\/strong>:<\/td>\nYes<\/td>\n<\/tr>\n
          Hinge Type<\/strong>:<\/td>\nTI<\/td>\n<\/tr>\n
          Lock Type<\/strong>:<\/td>\n1\/4 Turnbuckle<\/td>\n<\/tr>\n
          Number of Locking<\/strong>:<\/td>\n1<\/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>\n4<\/td>\n<\/tr>\n
          Installation Type<\/strong>:<\/td>\nWith Concrete<\/td>\n<\/tr>\n
          Diameter Anchoring hole<\/strong>:<\/td>\n19.9898 mm<\/td>\n<\/tr>\n
          Handling Key<\/strong>:<\/td>\nHook Handle \/ 517082<\/td>\n<\/tr>\n
          Locking Key<\/strong>:<\/td>\nCLE TI \/ 514260<\/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":1659,"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-1658","product","type-product","status-publish","has-post-thumbnail","hentry","products-ductile-iron-manhole-cover"],"acf":[],"yoast_head":"\nD400 Manhole Cover Multileaf System 900 x 900mm - Jingang LuoKaiwei<\/title>\n<meta name=\"description\" content=\"Explore the D400 multileaf manhole cover (900 x 900 mm), rated for 400 kN loads (40 tonnes). Made from GGG500\/7 ductile iron with corrosion-resistant coating, this cover features an easy-to-handle multileaf design, ideal for heavy-traffic roadways and industrial areas.\" \/>\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-manhole-cover-multileaf-system-900-x-900mm\/\" \/>\n<meta property=\"og:locale\" content=\"ar_AR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"D400 Manhole Cover Multileaf System 900 x 900mm - Jingang LuoKaiwei\" \/>\n<meta property=\"og:description\" content=\"Explore the D400 multileaf manhole cover (900 x 900 mm), rated for 400 kN loads (40 tonnes). 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