• Heavy-Duty Cast Iron Drain Cover and Frame | D400 Rated Grate for Road & Infrastructure
  • Heavy-Duty Cast Iron Drain Cover and Frame | D400 Rated Grate for Road & Infrastructure
  • Heavy-Duty Cast Iron Drain Cover and Frame | D400 Rated Grate for Road & Infrastructure
  • Heavy-Duty Cast Iron Drain Cover and Frame | D400 Rated Grate for Road & Infrastructure
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Heavy-Duty Cast Iron Drain Cover and Frame | D400 Rated Grate for Road & Infrastructure

  • Cast iron
  • D400
  • 650mm
  • 850mm
  • 90mm
  • 36kg
1.Durable and Easy to Maintain: The cast iron drain cover and frame are robust and durable, capable of withstanding the pressure of heavy vehicles. Additionally, the cast iron cover design takes into account ease of maintenance, making installation and cleaning straightforward and cost-effective. 2.All cast iron drain cover and frame support customization.

Cast Iron Drain Cover And Frame Details


cast iron drain cover and frame

     cast iron drain cover Description

  • Our cast iron drain cover and frame offer exceptional performance, making them the best choice for your municipal and construction projects.

  • 1.High Strength and Durability: This cast iron drain cover is made from high-quality cast iron material, providing excellent strength and durability to withstand heavy vehicular pressure, ensuring long-term use.

  • 2.Corrosion Resistance: Our cast iron cover undergoes special treatment, offering superior corrosion resistance to remain stable in various harsh environments and resist rusting.

  • 3.Safety and Anti-Slip Design: The cast iron drain cover features a unique anti-slip texture on the surface, effectively preventing slips for pedestrians and vehicles, ensuring safety.

  • 4.Easy Installation and Maintenance: The cast iron drain cover and frame are designed for easy installation and maintenance, saving labor and time costs, and improving work efficiency.

cast iron cover

Market Prospects for cast iron cover

Driven by rapid urbanization and expanding infrastructure projects, the demand for cast iron cover continues to grow. Their exceptional load-bearing capacity, wear resistance, corrosion protection, and long service life make them the industry's leading choice. The market is expected to expand further, with product innovation and quality enhancement being crucial for industry development.



Engineered for demanding infrastructure environments, the cast iron drain cover and frame deliver unparalleled performance in both strength and longevity. Manufactured using precision casting processes, each cast iron cover achieves a uniform structure and superior load distribution. This ensures reliability under D400 load classes, making it suitable for high-traffic roads, industrial sites, and municipal drainage systems.

cast iron drain cover

The cast iron drain cover is also designed with precise tolerances between the cover and frame, reducing vibration and noise under traffic. Its anti-theft design and secure locking mechanism enhance safety and prevent unauthorized access. Additionally, the surface of each cast iron cover is treated to resist water ingress and thermal expansion, maintaining structural integrity across seasons.

cast iron drain cover and frame

Whether used in urban renewal, highways, or construction projects, our cast iron drain cover and frame combine time-tested durability with modern manufacturing standards. Custom logos, markings, and surface patterns are also available to meet project-specific branding or technical requirements.

cast iron cover


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Man Hole Covers Package And Transportation


Our factory places great emphasis on the packaging and shipping process of manhole covers, ensuring each product is optimally protected during transit. Firstly, the covers are neatly stacked and secured with plastic wrap and metal straps to prevent any damage during transport. Secondly, we use standard wooden pallets for neat stacking, facilitating easy loading and unloading. Each pallet is labeled with detailed product information and shipping marks, ensuring quick and accurate distribution to our customers. No matter where you are, we guarantee the manhole covers will be delivered safely and on time.


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Patent Certificates


cast iron cover

A utility model patent certificate

cast iron drain cover

An invention patent certificate

cast iron drain cover and frame

A utility model patent certificate




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