Public Works

Manhole Covers & Frames

Strength. Safety. Standards.

DiFoZ offers a comprehensive range of manhole covers and frames manufactured from cast iron and ductile iron. Available in multiple sizes, shapes, and load classes, our covers are designed to meet international standards and country-specific regulations, while also supporting customized requirements for municipalities, utilities, and infrastructure projects.

Specific Types & Features
  • Shapes: Circular, Square, Rectangular, and Double Triangular.
  • Load Classes: Available from light-duty pedestrian use to heavy vehicular traffic (A15–F900).
  • Locking Systems: Optional bolted or unbolted designs for enhanced security.
  • Ventilation Options: With or without ventilation holes depending on application.
  • Custom Branding: Logos, patterns, and inscriptions available per client or municipal specifications.
  • Material: Cast Iron and Ductile Iron.
  • Quality Standards: BS EN124-2:2015, ASTM A48 Class 20 & 30, ASTM A536, DIN 4271.
  • Sizes & Design: Manufactured to standard dimensions or customer-specific requirements.
  • Coating/Paint: Black Bitumen, Epoxy, or as specified by the customer.
  • Packaging: Securely packed on wooden or steel pallets.
  • Load Performance: Designed to withstand loads from light pedestrian zones to heavy-duty highways.
  • Durability: High resistance to wear, corrosion, and repeated impact loads.
  • Custom Flexibility: Shapes, load classes, and branding tailored to local authority requirements.
  • Compliance: Manufactured under strict adherence to EN124, ASTM, and DIN standards.
  • Urban Infrastructure: Municipal roads, walkways, and pedestrian zones.
  • Highways & Carriageways: Heavy-duty covers for high-traffic environments.
  • Telecommunications & Utilities: Covers for inspection chambers, cable vaults, and utility access.
  • Industrial Sites: Heavy-load covers for factories, ports, and logistics areas.
  • Materials: Grey cast iron (CI) or ductile iron (DI).
  • Finishes: Bitumen-coated, epoxy-coated, or customer-specified paint systems.
  • Designs: Hinged, bolted, locking, solid top, and ventilated options.
  • Load Classes: A15–F900 (per EN124 standard) for all application categories.
  • Europe: BS EN124-2:2015 (Load Classifications A15–F900), DIN 4271.
  • USA: ASTM A48 (Class 20 & 30), ASTM A536 (Ductile Iron).
  • Sustainability: 100% recyclable cast and ductile iron, produced under eco-conscious foundry practices.
  • Wide range covering municipal, utility, and industrial requirements.
  • International quality compliance (EN, ASTM, DIN).
  • Customizable for local authority branding and project needs.
  • Proven durability in both light-duty pedestrian zones and heavy-duty highways.

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