500x500 manhole cover
2 month ago
This D400-class customized ductile iron manhole cover is purpose-built for sewage systems in urban and municipal infrastructure. Featuring a dedicated Sewage inscription, EN 124 compliance, and a custom utility logo, this cover reflects both functional clarity and city identity.
Manufactured from QT500-7 ductile iron, it offers exceptional load-bearing strength (up to 40 tonnes), high corrosion resistance, and anti-slip surface treatment, making it ideal for main roads, residential streets, and industrial areas handling underground sewage pipelines.
Product Specifications
| Specification | Details |
|---|---|
| Model | D400 Sewage Marked Manhole Cover |
| Shape | Round |
| Clear Opening | Φ600–800 mm (Customizable) |
| Material | Ductile Iron (QT500-7 / EN-GJS-500-7) |
| Load Class | D400 – Up to 40 tonnes |
| Standard | EN 124 |
| Surface Design | Sewage marking, logo engraving, anti-slip texture |
| Coating | Black bitumen or anti-corrosion coating (optional) |
| Brand | HXW |
Contact Us
Looking for high-strength, clearly marked sewage manhole covers?
Chongzhou Hongxinwei Metal Manufacturing Co., Ltd. offers D400 custom ductile iron manhole covers that meet strict municipal and utility project demands.
Contact us for drawings, logo customization, or a quick quotation today!
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