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Composite Strength
SMC
SMC Manhole Cover
Lightweight, High-Strength Composite Access Cover
- 60–80% lighter than traditional cast iron covers
- Anti-corrosion and chemical resistant composite material
- No scrap value – fully anti-theft
- Anti-slip surface for pedestrian and vehicle safety
- Low noise under traffic movement
- Electrically non-conductive and weather resistant
Lightweight
Easy handling and fast installation
Corrosion Resistant
Ideal for harsh environments
Anti-Theft
No metal scrap value
High Load Capacity
Up to airport-grade load classes
Product Description
The SMC Manhole Cover is a modern composite access cover manufactured using Sheet Molding Compound (SMC). It is engineered as a superior alternative to conventional cast iron and concrete manhole covers, offering high strength with significantly reduced weight.
SMC is a fiber-reinforced thermoset composite material that provides excellent durability, corrosion resistance, and long service life. These covers are supplied as cost-effective solutions for infrastructure, industrial, and municipal projects.
Key Features
- High strength-to-weight ratio
- Resistant to rust, chemicals, fuels, and wastewater
- No scrap value – theft-proof design
- Anti-slip molded surface
- Low noise compared to metal covers
- Electrically non-conductive
- Available in various colors and logo embossing
Material Technology
Sheet Molding Compound consists of polyester resin reinforced with glass fibers and mineral fillers. This technology ensures excellent mechanical performance, environmental resistance, and dimensional stability.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Type | SMC Composite Manhole Cover |
| Material | Sheet Molding Compound (SMC) |
| Applicable Standards | EN 124 / ASTM C-923 |
| Load Classes | Class A to Class F (Pedestrian to Airport) |
| Weight | 60–80% lighter than cast iron |
| Typical Weight Range | 25–50 kg (depending on size and class) |
| Shape | Round or Rectangular |
| Standard Sizes | 600 mm, 700 mm and custom sizes |
| Surface Finish | Anti-slip textured |
| Electrical Conductivity | Non-conductive |
| Customization | Color, logo, identification marking |
Applications
- Municipal sewer and drainage systems
- Roads, highways, sidewalks, and pedestrian areas
- Oil & gas facilities and refineries
- Industrial plants and chemical facilities
- Airports, ports, and heavy-load zones
- Telecommunication and electrical access chambers
- Commercial and residential developments
Note: For exact load class selection, certification, and pricing, please contact Delta Petroleum directly.
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