Composite Square Manhole Covers

Composite Material Manhole Covers - Strength, Durability, and Eco-Friendly Design

Key Product Benefits:

High Strength & Lightweight
- Superior Material: Glass fiber-reinforced resin provides outstanding compressive, flexural, and impact resistance, supporting load capacities from A15 to F900.
- Lightweight: At just 1/3 the weight of traditional cast iron, it reduces logistics and installation costs, making it easier to handle and install.
- Optimized Manufacturing: Single-molding technology creates dense, bubble-free structures, ensuring high mechanical performance and durability.
Corrosion Resistance & Longevity
- Resilient Resin Matrix: Our composite material resists a wide range of chemicals (acids, alkalis, salts) and humidity, making it ideal for sewage and industrial environments.
- Temperature Stability: The material performs reliably in extreme temperatures, ranging from -50°C to +300°C, offering year-round protection against harsh weather conditions.
Anti-Theft & Eco-Friendly
- Non-Recyclable: The composite material has no scrap value, preventing theft and reducing waste.
- Customizable Security: Optional locking mechanisms provide enhanced protection for underground infrastructure.
Low Maintenance & Aesthetic Appeal
- Durable Surface: The smooth, wear-resistant surface requires no repainting or maintenance, keeping the covers looking new for years.
- Custom Designs: Choose from a variety of patterns and colors that blend seamlessly into urban environments, enhancing aesthetic appeal.
Cost Efficiency
- Long Lifespan: With a lifespan of over 20 years, these covers offer lower total lifecycle costs compared to traditional iron covers.
- Efficient Installation: Quick and easy installation minimizes labor and reduces downtime, contributing to overall cost savings.

Ideal Applications for Composite Material Manhole Covers:

Our manhole covers are perfect for various environments, including:

Urban Roads & Sidewalks
Municipal Engineering Projects
Parks and Public Squares
Residential Communities
Industrial Zones
Transportation Hubs (Stations, Airports)
Other Public Spaces

Primary Service Providers:

Composite manhole covers are essential for the following sectors:

Water Supply, Drainage, and Sewage Systems
Power Grids, Street Lighting, Telecommunications (Telecom, China Unicom, Cable TV)
Transportation Signals and Military Cable Networks
Heating, Gas, Natural Gas, and Oil Pipelines
Airports, Docks, Ports, Landscaping, Real Estate Projects

Load-Bearing Grades & Applicable Zones:

Choose the appropriate load-bearing grade for your application:

Group 1 (Minimum Grade: A15): Green belts, sidewalks, pedestrian areas, and motor vehicle-free zones.
Group 2 (Minimum Grade: B125): Sidewalks, non-motorized lanes, car parks, underground parking areas.
Group 3 (Minimum Grade: C250): Residential areas, alleyways, light vehicle zones, and areas near curbs.
Group 4 (Minimum Grade: D400): Urban main roads, highways, and expressways.
Group 5 (Minimum Grade: E600): Freight terminals, ports, and airports.
Group 6 (Minimum Grade: F900): Airport runways and other high-load zones.