Square Ductile Iron Manhole Cover C250 DIN EN124 with Single Seal - 500×500mm to 900×900mm Sizes
SND supplies C250 medium duty square ductile iron manhole covers compliant with DIN EN124 standards. These covers feature single seal configurations and are available in various dimensions with optional hinge setups and protective coatings.
| Type | Dimensions (mm) | H (mm) | e (mm) |
|---|---|---|---|
| Single Sealed, Square | 500×500 | 46 | 39 |
| Single Sealed, Square | 600×600 | 51 | 44 |
| Single Sealed, Square | 700×700 | 56 | 49 |
| Single Sealed, Square | 800×800 | 65 | 58 |
| Single Sealed, Square | 900×900 | 70 | 62 |
| Single Sealed, Rectangular | 700×500 | 57 | 30 |
| Single Sealed, Rectangular | 600×800 | 60 | 52 |
| Single Sealed, Square, Recessed | 400×400 | 90 | 84 |
| Single Sealed, Round cover, Round Base | Ø750 | 100 | 18 |
- Material Preparation: High-quality pig iron and scrap iron melted with magnesium to create ductile iron alloy
- Casting: Molten iron poured into precision molds using sand casting method
- Heat Treatment: Thermal processing to enhance strength and flexibility
- Surface Coating: Application of anti-corrosive finishes for environmental durability
- Quality Control: Rigorous testing for load capacity, tensile strength, and dimensional accuracy
Meets European standard requirements for load capacity and safety
Superior strength and durability compared to standard cast iron
Black bitumen or epoxy coating options for extended service life
Available in square, rectangular, and round shapes with hinge options
With 20 years of experience in metal manufacturing, SND specializes in producing high-quality cast iron products using advanced techniques including sand casting, lost wax casting, and precision machining. Our ISO9001-certified facilities serve multiple industries including construction, transportation, energy, and infrastructure, with comprehensive quality inspections including spectrometer analysis, ultrasonic testing, and mechanical property verification.
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