|
Parameter |
Value |
|
Brand |
Dingjian |
|
Type |
Three-Proof / Five-Proof Manhole Cover |
|
Material |
Ductile Iron |
|
Model |
Diameter 700 |
|
Load Rating |
D400 |
|
Load Capacity |
400 kN |
|
Application |
Municipal Roads |
|
Origin |
Changxing, Zhejiang, China |
|
Custom Service |
Text Logo and Markings Available |
Reliable Access for Underground Networks
Urban underground pipelines are essential parts of modern city infrastructure. A Ductile Iron Manhole Cover provides reliable access and protection for these underground systems.
Our Dingjian brand covers meet the D400 load standard. Each unit can withstand 400 kN of pressure. This allows city buses, garbage trucks, and concrete mixers to pass safely. The cover remains stable under heavy traffic and effectively resists settlement, deformation, and cracking.
The standard diameter is 700 mm, which matches common municipal road openings. This makes installation and replacement more convenient for urban infrastructure projects.
Three-Proof and Five-Proof Protection Options
We offer three-proof and five-proof protection options for different application requirements. The three-proof system helps prevent theft, reduce traffic noise, and avoid settlement. These features solve common problems in urban road manhole applications.
The five-proof system adds anti-fall protection and displacement prevention. It is especially suitable for deep wells, heavy traffic roads, and areas that require higher safety standards.
Our products use high-grade ductile iron with excellent tensile strength and impact resistance. Even in cold northern regions, the material maintains stable performance and does not become brittle under low temperatures.
We can also add text, logos, and markings on the cover surface. Customers can customize city names, pipeline categories, or utility company information. This helps maintenance workers quickly identify different underground systems.
Custom Production Made Easy
Our customization capability is one of our key advantages. Changxing Jianguo Ductile Iron Manhole Cover Factory has its own mold workshop and CNC machining equipment to support precise production.
We can complete new samples within 10 working days. Our production team handles special sizes, irregular shapes, and customized surface patterns according to customer requirements.
The minimum order quantity is 50 pieces, making it suitable for overseas trial orders and small engineering projects. We accept customer drawings and samples and provide complete production services from material preparation to finished products.
Payment and Shipping Details
Custom orders require a 50% deposit before production begins. The remaining balance should be paid before shipment.
We use steel pallet packaging for export transportation to ensure product safety during long-distance sea shipping. Our factory is located in Changxing, Zhejiang, China, within 200 km from Shanghai Port and Ningbo Port. This location helps reduce inland transportation costs and improves shipping efficiency.
The standard warranty period is 1 to 3 years. Long-term partners can receive direct communication support for faster after-sales service. Our Ductile Iron Manhole Cover provides a reliable solution for municipal roads, urban infrastructure, and underground utility projects.
Hot Tags: ductile iron manhole, China ductile iron manhole manufacturers, suppliers, factory
