D400 Class Square Ductile Iron Manhole Cover 400x400mm with High Toughness and Spray Paint Finish
Price:
$50-90/t
MOQ:
10 tons
Delivery Time:
45 days
Brand:
SND Foundry
Product Description
Product Overview
Square cast iron manhole covers are essential components for covering underground pipe wells, widely used in municipal engineering, road facilities, residential areas, and industrial parks. These durable covers protect underground infrastructure while ensuring safety for pedestrians and vehicles.
Material Specifications
Ductile Iron
- High strength and superior toughness
- Excellent compressive resistance
- Strong corrosion resistance
- Long service life exceeding 20 years
Gray Iron
- Good pressure bearing capacity
- Cost-effective solution for light to medium load areas
Technical Specifications
| Load Class | Clear Opening (mm) | Base (mm) | Height (mm) | Unit Weight (kg) |
|---|---|---|---|---|
| D400 | 400 × 400 | 500 × 500 | 48 | 30 |
| C250 | 400 × 400 | 500 × 500 | 48 | 21 |
| B125 | 400 × 400 | 500 × 500 | 48 | 18 |
| D400 | 450 × 450 | 550 × 550 | 50 | 40 |
| C250 | 450 × 450 | 550 × 550 | 50 | 32 |
| B125 | 450 × 450 | 550 × 550 | 50 | 28 |
| D400 | 550 × 550 | 650 × 650 | 60 | 54 |
| C250 | 550 × 550 | 650 × 650 | 60 | 39 |
| B125 | 550 × 550 | 650 × 650 | 60 | 32 |
| D400 | 600 × 600 | 740 × 740 | 100 | 65 |
| C250 | 600 × 600 | 740 × 740 | 60 | 55 |
| B125 | 600 × 600 | 740 × 740 | 60 | 43 |
Customization Options
- Size Customization: Design non-standard size manhole covers to meet specific project requirements
- Branding Options: Add corporate logos or custom text on the cover surface
- Smart Solutions: Integrated water level monitoring and data transmission capabilities
Key Features
- Exceptional Durability: High compression and bending resistance with service life exceeding 20 years
- Safety Design: Anti-slip surface patterns and optional safety locks for theft prevention
- Precision Fit: Tight matching with base frames to prevent noise and movement
- Load Ratings: Available in six EN124 standard classifications from A15 to F900
- Drainage Options: Optional venting and drainage holes to prevent water accumulation
- Hinge Systems: Optional hinge structures for safer maintenance access
Product Images
Similar Products
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Handan Shengnada New Material Technology Co., Ltd.
Location
No.4 Building, Wuan industry park, Handan City, Hebei, China
Contact Person
Andy