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MR690-D
Elite
Elite's EN124 Heavy Duty SMC Composite Manhole Cover is designed for highways, energy projects, municipal roads, ports, transport hubs and other infrastructure where high load performance, corrosion resistance and long-term outdoor durability are required.
Manufactured from fiberglass-reinforced Sheet Molding Compound (SMC), the cover combines high structural strength with lower handling weight than many conventional cast-iron alternatives. The current product configuration is available in C250 and D400 load classes, with higher-load solutions available according to project requirements.
Product Focus: EN124 C250 / D400 | Heavy-duty SMC composite | Anti-slip surface | Corrosion resistant | Non-conductive | Locking and sealing options
This SMC composite manhole cover is developed for infrastructure applications requiring higher load classes, including C250 and D400 configurations.
The reinforced composite structure is designed to withstand repeated service loading while maintaining dimensional stability and structural integrity. D400 configurations are suitable for project zones where higher traffic loads are specified, subject to the exact installation environment and approved product configuration.
For highways, ports, industrial transport areas or other demanding applications, customers should provide the required EN124 class and project specification so that the appropriate cover, frame and supporting documentation can be confirmed.
The cover is produced from thermosetting SMC reinforced with fiberglass and molded under controlled heat and pressure. This manufacturing process creates a dense composite structure with consistent dimensions and good mechanical performance.
Compared with many conventional cast-iron covers, the composite structure can reduce handling weight while maintaining the load performance required for heavy-duty infrastructure projects.
SMC composite does not rust in the same way as conventional ferrous materials. This makes it suitable for outdoor infrastructure exposed to rainwater, road salts, industrial contaminants, coastal environments and changing weather conditions.
The molded composite body also reduces dependence on conventional anti-rust coatings or periodic repainting of the main cover structure.
For projects involving aggressive chemicals, saltwater exposure or extreme environmental conditions, the exact service environment should be provided during the RFQ stage so that material suitability can be reviewed.
The non-metallic SMC structure provides electrical insulation, making the cover particularly relevant for energy infrastructure, underground power distribution, substations and utility corridors where reducing electrical conductivity can be an important design consideration.
For high-voltage or specialist electrical projects, customers should provide the required electrical or insulation criteria before product approval.
The molded anti-slip surface is designed to improve traction for vehicle tires, maintenance personnel and pedestrians, especially in wet outdoor conditions.
Surface patterns can also be customized according to project appearance, utility identification or local infrastructure requirements.
Optional accessories can include locking systems, sealing gaskets, hinges, lifting keys and lifting handles. These features can help improve access control, maintenance convenience and environmental protection for underground chambers.
Because sealing and locking performance depend on the exact cover-frame configuration, these requirements should be specified before production.
Specification | Details |
|---|---|
Product Name | EN124 Heavy Duty SMC Composite Manhole Cover |
Material | Sheet Molding Compound (SMC) + Fiberglass |
EN124 Load Grade | C250, D400; higher classes available on request |
Surface | Anti-slip molded texture |
Optional Features | Locking system, sealing gasket, lifting handles, hinges |
Environmental Resistance | Corrosion resistant, suitable for outdoor and demanding infrastructure environments |
Compliance | EN124 project configurations available |
Color Options | Standard black; customized colors available |
Project Selection Note: C250 and D400 are different installation classes. Confirm the required EN124 load class, installation zone and supporting test documentation before ordering.
D400 configurations are suitable for project areas requiring heavy-duty access covers under regular vehicle loading. Final suitability should be confirmed according to the road position, traffic conditions and applicable engineering specification.
The non-conductive composite structure is suitable for underground electrical infrastructure, power distribution systems, cable chambers and related utility projects where electrical insulation and corrosion resistance are important.
Heavy-duty composite covers can be used in logistics and transport environments where repeated vehicle movement, outdoor exposure and demanding maintenance conditions need to be considered.
The corrosion-resistant SMC structure is suitable for many industrial areas exposed to moisture, road contaminants or selected chemical environments. Specific chemical compatibility should be confirmed for demanding applications.
SMC covers can be used for roads, utility networks, drainage systems and other municipal access points. Custom molded logos, colors and surface patterns can also support project identification requirements.
The non-metallic construction is useful for underground communication and electrical networks where corrosion resistance, electrical insulation and secure chamber access are required.
Selection Factor | SMC Composite | Traditional Cast Iron |
|---|---|---|
Corrosion Resistance | Composite structure does not rust like ferrous metal | May require corrosion protection depending on environment |
Handling | Lower weight can simplify installation and maintenance | Typically heavier |
Electrical Conductivity | Non-conductive composite material | Conductive metallic structure |
Scrap Value | Low scrap-metal value | May have recyclable metal value |
Customization | Molded colors, logos, textures and structural options | Depends on casting and fabrication process |
Maintenance | Reduced corrosion-related maintenance for the composite body | Maintenance varies with material and environment |
EN124 classifies access covers according to their intended installation zones and required load performance. This product is offered in C250 and D400 configurations, with other heavy-duty classes available subject to engineering review.
For bidding, project approval or regulated infrastructure applications, customers should confirm the exact test reports and documentation required for the selected size and load class.
Procurement Tip: Request EN124 documentation that matches the exact size, frame and load-class configuration being purchased rather than relying only on general product-family claims.
Elite supports custom composite access covers for highway, energy, municipal and industrial projects. Customization can include dimensions, load class, color, molded logo, surface texture, locking mechanism, gasket system, hinges and lifting accessories.
For non-standard projects, customers should provide drawings, clear-opening dimensions, frame requirements, expected loading, installation conditions, quantity and required technical documentation.
Learn more about our custom SMC molding capabilities.
Elite New Materials has more than 20 years of experience in SMC composite manufacturing and supplies composite products for infrastructure and engineering applications.
The manufacturing process uses controlled compression molding, while quality inspection covers raw materials, production processes and finished products. For heavy-duty manhole covers, load performance, dimensions, surface finish and structural consistency are key inspection areas.
The company states that its composite manhole covers are produced to EN124 requirements, and its support section provides technical resources and downloadable product catalogs.
View more information about quality inspection and technical support.
Heavy-duty composite manhole covers can be supplied for both standard orders and large infrastructure projects. Packaging and loading arrangements can be planned according to product dimensions, quantity, transport method and destination.
For export projects, customers should provide the destination country or port, expected quantity, target delivery date and any specific packaging requirements during the quotation stage.
Large highway, municipal or energy projects can also be discussed according to phased delivery requirements where necessary.
Required cover size and clear opening
Required C250, D400 or other EN124 load class
Installation zone and expected traffic conditions
Project drawing or chamber dimensions
Required quantity
Locking, sealing, hinge or lifting requirements
Surface pattern, logo or color requirements
Required test reports or project documentation
Destination country or port
Required delivery schedule
The current product specification lists C250 and D400 configurations, with higher-load solutions available according to project requirements and engineering review.
D400 is used for specified heavy-traffic installation zones under EN124. Final suitability depends on the exact road location, cover dimensions, frame design and project specification.
SMC is non-metallic and electrically insulating, while also providing corrosion resistance and lower handling weight than many conventional metal alternatives. These characteristics make it suitable for many underground electrical and utility applications.
The SMC composite structure is resistant to rust and is suitable for many outdoor, coastal and industrial applications. For specific chemical exposure, customers should provide the operating environment so that material suitability can be confirmed.
Yes. Optional accessories include locking systems, sealing gaskets, hinges, lifting keys and lifting handles. The exact configuration can be selected according to the project requirements.
Yes. Elite supports custom dimensions, load classes, molded logos, colors, surface textures and additional structural features subject to engineering feasibility.
Available documentation depends on the exact product size and load-class configuration. Customers should provide the required approval documents during the RFQ stage so that the applicable records can be confirmed.
Whether you require C250 or D400 composite covers for highways, energy networks, municipal roads, ports or industrial infrastructure, Elite can review your drawings, required load class, customization needs, quantity and delivery conditions before quotation.
Contact Elite New Materials for a quotation or explore more SMC composite manhole covers.
