Cast Iron Manhole Covers
Key Features:
- Durability: Fabricated from heavy cast iron to provide strength.
- Personalization: Different sizes, shapes, and designs available according to requirements.
- Heavy Load Capacity: Withstands heavy volumes of traffic load, be it urban or industrial.
- Resistance to Corrosion: Coated to protect against rusting and wear.
Specifications Chart
| Specification | Details |
|---|---|
| Material | High-grade cast iron |
| Standard Sizes | 600mm, 700mm, 900mm (custom sizes available) |
| Shape Options | Round, Square, Rectangular |
| Load Capacity | A15, B125, C250, D400, E600, F900 (per EN 124) |
| Surface Design | Non-slip, Patterned, Logo/Branding options |
| Coating Options | Black Bituminous, Epoxy, Galvanized |
| Locking Mechanism | Bolted, Self-locking, Anti-theft |
Mechanical Composition
| Mechanical Property | Value |
|---|---|
| Tensile Strength | 150-250 MPa |
| Compressive Strength | 300-500 MPa |
| Flexural Strength | 10-20 MPa |
| Impact Resistance | High |
| Fatigue Resistance | Superior |
| Abrasion Resistance | Excellent |
Chemical Composition
| Element | Percentage Composition |
|---|---|
| Carbon (C) | 3.0% - 3.6% |
| Silicon (Si) | 1.8% - 2.8% |
| Manganese (Mn) | 0.3% - 0.9% |
| Sulfur (S) | ≤ 0.15% |
| Phosphorus (P) | ≤ 0.12% |
| Iron (Fe) | Balance |
Industrial Applications of Cast Iron Manhole Covers
- Municipal Infrastructure: At a large scale, these products are used in sealing sewer covers, storm water manholes, and utility access locations in urban areas.
- Transportation: In roadways, highways, and walkaways, where these covers can resist heavy traffic.
- Industrial Facilities: In manufacturing plants, power stations, and water treatment works for safe access to underground utilities.
- Commercial Developments: To be installed in parking lots, commercial buildings, and residential complexes and provide safe and durable access covers.
Explore Other Products by NKM International
FAQs
What are the advantages of ordering cast iron manhole covers from NKM International?
This helps you in customizing your cast iron manhole covers, specifying size, shape, load capacity, surface design, and coating based on your project needs. This ensures that covers are tailor-made for their application, providing maximum performance with a long life expectancy.
What is the correct load carrying capacity for my manhole cover?
The suitable loading capacity depends on site location and the expected traffic load. For instance, A15 class covers are best suited for pedestrian applications, while D400 class are designed for heavy traffic applications on roads, highways, etc. NKM International can help you to choose the right loading capacity as per your project requirements.
What kind of coating does NKM International offer for cast iron manhole covers?
NKM International offers other coatings, like black bituminous, epoxy, and galvanization, for added strength against corrosion and other elements in even the most severe environments.
Is the cast iron manhole cover of NKM International in accordance with industry standards?
Indeed, in NKM International, the production of the cast iron manhole covers is treated with consideration for international standards, notably EN 124, which demonstrates their safety and quality in service to various applications.
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Need Help?
We're Here for You!
Got a question or need assistance? Our team is ready to help you every step of the way. Reach out to us, and we’ll get back to you as soon as possible!