The D400 Double Triangular Ductile Iron Manhole Cover is engineered for durability and performance in high-traffic environments. Featuring a clear opening of 1000 x 1000 mm and a frame depth of 100 mm, this cover meets the stringent requirements of EN 124-2:2015, ensuring safety and reliability for various applications.
Key Features
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Load Capacity: Designed to withstand loads up to 40 tonnes, suitable for carriageways, hard shoulders, and parking areas.
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Compliance: Fully compliant with BS EN 124-2:2015 standards, ensuring quality and safety.
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Design: Double triangular configuration provides non-rock stability, reducing noise and movement under traffic loads.
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Material: Manufactured from high-quality ductile iron, offering excellent strength and durability.
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Finish: Typically coated with black bitumen for corrosion resistance; other coatings available upon request.
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Frame Depth: 100 mm, providing a secure fit and enhanced load distribution.
Applications
Ideal for installation in:
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Highways and main roads.
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Industrial and commercial areas.
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Parking lots and loading bays.
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Urban streets and pedestrian zones.
Technical Specifications
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Clear Opening: 1000 x 1000 mm.
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Overall Frame Size: Approximately 1150 x 1150 mm.
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Frame Depth: 100 mm.
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Material: Ductile Iron.
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Load Class: D400 (40 tonnes).
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Standard Compliance: BS EN 124-2:2015.
Why Choose This Manhole Cover?
This manhole cover is designed for longevity and performance, making it the preferred choice for infrastructure projects requiring reliable access solutions. Its compliance with stringent standards and robust construction ensures safety and durability in high-traffic environments.
| Family: | Municipal |
| Product Type: | Access Covers |
| Certified Class: | D400 |
| Surface Finish: | Anti-slip surface |
| Clear Opening Length (Hinge Side): | 750 mm |
| Clear Opening Width: | 600 mm |
| Flange Outer Length: | 900 mm |
| Flange Outer Width: | 750 mm |
| Frame Height: | 100 mm |
| Weight: | 178 kg |
| Hinged: | No |
Ductile iron manhole cover specifications and parameters
| Parameter | Specification/Value |
|---|---|
| Material | Ductile Cast Iron (Grade 500-7) |
| Standard Compliance | EN 124, BS 497, ASTM A536, ISO 1083 |
| Shape | Round, Square, Oval |
| Load Rating | A15, B125, C250, D400, E600, F900 (EN 124 load classes) |
| Load Bearing Capacity | 1.5 – 90 tons (depending on the rating) |
| Size (Diameter/Length) | 300mm – 1500mm (depending on type and design) |
| Thickness of Lid | 20mm – 60mm (depending on the load class) |
| Weight | 10 kg to 150 kg (depending on size and class) |
| Cover Surface | Smooth, Anti-slip, Textured for grip |
| Corrosion Resistance | Excellent, with epoxy coatings or bituminous treatment |
| Gasket Type | Rubber, Neoprene, EPDM |
| Sealing Mechanism | Bolt-down, Locking system, Hinged |
| Drainage Holes | Yes, optional (for water drainage) |
| Coating Type | Bitumen coated, Epoxy coating, Hot-dip galvanizing |
| Temperature Resistance | -30°C to +150°C (depending on coating type) |
| Fire Resistance | Flame-retardant (meets local standards for fire resistance) |
| Noise Level | Low noise design for urban areas |
| Ventilation | Optional vented covers for gas or sewage systems |
| Color | Black, Gray, Custom colors available |
| Manufacturing Process | Sand casting, Lost wax casting, Centrifugal casting |
| Edge Type | Flat, Raised, Beveled, or Reinforced edges |
| Bearing Surface | Cast iron, Epoxy, Stainless Steel (optional) |
| Longevity | 50+ years with proper maintenance |
| Environmental Compliance | RoHS, REACH, and other regional environmental standards |
