Product OverviewComplies with MD10 (10T load) standards, capable of bearing the passage of residential vehicles and municipal light-duty work vehicles, well-matching the daily usage requirements of sewage inspection wells;
The reinforced composite structure resists long-term pressure, is not prone to cracking or deformation in sewage environments, and helps ensure the safety of pipe network maintenance operations.
SMC composite material has good resistance to acid-alkali corrosion and moisture immersion from sewage, with a service life of up to 20 years or more;
The dense surface material is not easy to adhere to sludge, making daily cleaning and maintenance relatively convenient.
Non-metallic material has no recycling value, which can effectively alleviate the industry pain point of traditional cast-iron sewage manhole covers being prone to theft;
Supports customization of the "Chang’an Brand" logo, the "污" character (for usage identification), and the manufacturer’s contact email, facilitating facility ownership and management.
Cross-patterned anti-slip surface can significantly reduce the risk of slipping for pedestrians and vehicles on rainy days;
Weighing only about 25kg (compared to approximately 42kg for the same-sized cast-iron cover), it can be installed/maintained by a single person, helping to save labor costs.
| Parameter | Specification | Description |
|---|---|---|
| Product Size | 700mm in diameter | Standard opening size for sewage inspection wells |
| Brand | Chang’an Brand | Custom-manufactured by Jiangsu Chang’an |
| Material | SMC/FRP glass fiber-reinforced composite | Specialized for corrosion resistance in sewage environments |
| Load Rating | 10T (MD10) | Suitable for residential/municipal light-duty traffic scenarios |
| Surface Markings | "Chang’an Brand" + "污" + contact email (jschangan111@gmail.com) | Customized facility identification |
| Applicable Environment | Sewage inspection wells, sewage pipelines | Resistant to acid-alkali corrosion and high humidity |
| Service Life | ≥20 years | Low degradation in sewage scenarios (actual service life depends on usage environment) |
Municipal road sewage inspection wells
Residential community sewage pipeline facilities
Industrial park sewage discharge pipe networks
Urban sewage collection systems
Urban village sewage renovation projects
| Feature | Chang’an Brand Composite Sewage Cover | Traditional Cast-Iron Sewage Cover |
|---|---|---|
| Weight (700mm size) | ~25kg | ~42kg |
| Anti-Theft Performance | Relatively high | Relatively low (prone to theft) |
| Installation Efficiency | Operable by one person | Requires 2+ workers |
| Annual Maintenance Cost | ≤50 RMB (cleaning only) | ≥400 RMB (rust removal + replacement) |
Clean debris from the sewage well opening and check the compatibility of the support frame with the 700mm opening;
After fixing the support frame, place the cover and fasten the edge buckles;
Conduct a pressure test with light vehicles to confirm that the cover fits tightly with the opening.
Clean sludge from the cover surface monthly to maintain anti-slip performance;
Inspect the buckles quarterly (focused verification is recommended after the flood season of the sewage pipe network);
No additional anti-corrosion treatment is required. If damage occurs, contact the manufacturer via email at jschangan111@gmail.com for replacement.
With over 10 years of experience in composite manhole cover production, its sewage manhole cover products have passed municipal material quality certification;
Supports customization of "brand logo + usage identification + contact email" to meet the needs of local water conservancy and municipal projects;
Provides supporting services such as door-to-door delivery for bulk orders and on-site installation guidance.
