|
Parameter |
Value |
|
Type |
Square Manhole Cover |
|
Material |
Ductile Iron |
|
Size |
400 × 400 mm |
|
Application |
Green Belts, Small Utility Pits, Garden Water Meter Pits |
Fits Tight Spaces Perfectly
Green belts and sidewalk corners often have limited installation space. Round covers may not be suitable for these narrow areas. Our Square Cast Iron Manhole Cover provides an effective solution for compact applications.
The standard size is 400 × 400 millimeters, making it suitable for small utility pits. It is commonly used for green belt electrical pits, garden water meter boxes, and sidewalk inspection pits. The square design matches the opening size more efficiently in restricted spaces.
After installation, the cover blends naturally with the surrounding environment and helps maintain a clean landscape appearance.


Easy Installation and Maintenance
The square structure provides practical advantages during installation and maintenance. This square cast iron manhole cover is designed for convenient handling in many applications. Regular installation work does not require complex lifting equipment.
Maintenance workers can complete routine inspections more efficiently because the cover can be opened easily. The product uses ductile iron with an anti-rust coating on the surface. It provides reliable outdoor durability and reduces corrosion risks during long-term use. This helps customers lower maintenance requirements and operating costs.
Our Experience with Small Castings
We have extensive experience in manufacturing small cast iron products at our factory. Changxing Jianguo Ductile Iron Manhole Cover Factory uses various small molds and can quickly switch between different product sizes.
Small castings require strict production control. Metal flow and cooling conditions are important factors that affect product strength and surface quality. Our casting workers have more than 10 years of average experience and control each production step carefully.
Every product is inspected to ensure accurate dimensions and a smooth surface finish.
Cost-Effective for Bulk Orders
This product provides a cost-effective solution for projects requiring large quantities. It uses less material and benefits from a mature production process, which helps reduce unit costs compared with larger covers.
It is suitable for residential development projects, landscaping applications, and municipal construction projects. We support mixed loading of different sizes in one container, allowing customers to combine square and round products according to project requirements.
This approach improves shipping efficiency and helps customers control project budgets. We keep regular products available for recurring orders, and delivery usually takes 6 to 15 days.
We also provide custom non-standard sizes according to customer drawings. Our Square Cast Iron Manhole Cover offers a practical solution for compact underground access applications.
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