Our D400-rated multileaf ductile iron manhole cover, featuring a 900×900 mm clear opening and a hinged double triangular design, is engineered for heavy-duty carriageway applications. This robust configuration enhances load distribution and stability, making it ideal for areas subjected to heavy vehicular traffic.
Key Features:
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D400 Load Rating: Suitable for areas with heavy vehicular traffic, including roads and industrial zones.
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Multileaf Hinged Design: Facilitates easy access and maintenance while ensuring safety during operation.
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900×900 mm Clear Opening: Provides ample access space while maintaining structural integrity.
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Durable Construction: Manufactured from high-quality ductile iron to withstand harsh environmental conditions.
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Compliance with International Standards: Meets relevant industry specifications for safety and reliability.
This manhole cover is an excellent choice for infrastructure projects requiring dependable access solutions in high-traffic areas.
| Family: | Telecom / Fibre / Cable |
| Packaging Qty: | 5 |
| Product Type: | Telecom Access Cover |
| Certified Class: | D400 |
| Surface Finish: | Anti-slip surface |
| Clear Opening Length (Hinge Side): | 900 mm |
| Clear Opening Width: | 900 mm |
| Flange Outer Length: | 1100 mm |
| Flange Outer Width: | 1084 mm |
| Frame Height: | 150 mm |
| Weight: | 200 kg |
| Watertight: | No |
| Cover/Grating Length: | 953 mm |
| Hinged: | Yes |
| Handling Key: | Hook Handle / 517082 |
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 |
