• Sealed Cast Iron Inspection Cover Sewer Lids | Heavy Duty Sewer Lids for Drainage Systems
  • Sealed Cast Iron Inspection Cover Sewer Lids | Heavy Duty Sewer Lids for Drainage Systems
  • Sealed Cast Iron Inspection Cover Sewer Lids | Heavy Duty Sewer Lids for Drainage Systems
  • Sealed Cast Iron Inspection Cover Sewer Lids | Heavy Duty Sewer Lids for Drainage Systems
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Sealed Cast Iron Inspection Cover Sewer Lids | Heavy Duty Sewer Lids for Drainage Systems

  • Cast iron
  • D400
  • 700mm
  • 1000 X 1000mm
  • 110mm
  • 105kg
1.Durable and Easy to Maintain: The cast iron inspection cover are robust and durable, capable of withstanding the pressure of heavy vehicles. Additionally, the sewer lids design takes into account ease of maintenance, making installation and cleaning straightforward and cost-effective. 2.All sewer lids support customization.

Cast Iron Inspection Cover Details


cast iron inspection cover

     cast iron inspection cover Description

  • High Strength and Durability: Our cast iron inspection cover is made from high-quality cast iron, providing exceptional strength and durability to withstand extreme loads and harsh environments.

  • Sealed Design: The sealed manhole cover design ensures tight sealing performance, effectively preventing odor and sewage leakage, maintaining a clean and sanitary environment.

  • Anti-Theft Security: Cast iron inspection covers and sewer lids are designed with anti-theft features, ensuring that the covers cannot be easily removed, providing additional security.

  • Easy Maintenance: The simple design allows for easy installation and maintenance, reducing maintenance costs and improving work efficiency.

  • Versatile Applications: These sealed manhole covers are suitable for urban roads, industrial areas, residential communities, and more, offering various sizes to meet different needs.

sewer lids

anti-settlement cast iron inspection cover

Our cast iron inspection cover and sewer lids feature an anti-settlement design for long-term stability and durability. Suitable for various environments, they offer excellent leak prevention and safety performance.

🔍Manhole Cover Q&A


Q1: Why choose a sealed cast iron inspection cover for urban drainage systems?
Sealed cast iron inspection covers are ideal for preventing unpleasant odors and liquid leakage, which is essential in densely populated urban areas. Their heavy-duty sealing mechanism ensures a sanitary and controlled environment, making them the preferred choice for municipal infrastructure.

sealed manhole cover

Q2: How do these sewer lids provide anti-theft protection?
Each sewer lid is engineered with integrated anti-theft features such as locking mechanisms or hidden hinges, making unauthorized removal difficult. This ensures the safety of both the public and underground utilities.

Q3: Can these sealed manhole covers handle extreme loading conditions?
Yes, our cast iron inspection covers are compliant with EN124 D400 standards, supporting up to 40 tons of load. They are specifically designed for high-traffic roads, highways, and industrial environments where heavy vehicle pressure is frequent.

cast iron inspection cover

Q4: Are custom sizes or branding available for sewer lids?
Absolutely. We offer full customization services for size, logo, color marking, and surface patterns to meet project-specific or municipal requirements. This makes our sealed manhole covers highly adaptable for both standard and bespoke applications.

sewer lids

Q5: What maintenance advantages do these inspection covers offer?
The modular design of our cast iron sewer lids allows for quick removal and reinstallation during inspection or cleaning. Their corrosion-resistant surface reduces the frequency of replacements, saving time and long-term maintenance costs.

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Cast Iron Inspection Cover

sewer lids

Sewer Lids (Resin Composite)


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.


   sealed manhole cover cast iron inspection cover


Patent Certificates


sewer lids

A utility model patent certificate

sealed manhole cover

An invention patent certificate

cast iron inspection cover

A utility model patent certificate



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