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MR690-D
Elite
Engineered to withstand the most demanding industrial and commercial environments, the Elite MR690-D D400 GRP Manhole Cover sets a new standard for access infrastructure. This high-performance glass-reinforced plastic manhole cover combines advanced composite engineering with innovative structural design to deliver exceptional strength, durability, and safety. Designed specifically for high-traffic roads, industrial yards, airports, parking structures, and commercial facilities, it addresses the critical limitations of traditional metal and concrete alternatives while meeting the strictest global load-bearing requirements.
The MR690-D features a robust construction that integrates high-modulus glass fibers within a thermoset resin matrix. This unique composition delivers exceptional tensile and compressive strength, capable of supporting heavy machinery, logistics traffic, and constant service loads without deformation or fatigue. Fully compliant with stringent global D400 load class standards, this manhole cover provides reliable performance in infrastructure projects where safety and longevity are non-negotiable.
Despite its impressive load capacity, the GRP manhole cover is significantly lighter than traditional cast iron alternatives. This lightweight design simplifies onsite handling, streamlines transport logistics, and accelerates installation workflows. By eliminating the need for heavy lifting equipment, it dramatically lowers labor costs and creates safer, more efficient installation procedures for your project teams.
One of the most significant advantages of GRP material is its exceptional resistance to environmental degradation. Unlike metal or concrete assemblies that deteriorate over time, our manhole covers exhibit excellent resistance to corrosion, UV exposure, water infiltration, and chemical attack. This makes them ideal for coastal regions, wastewater treatment plants, industrial process zones, and any environment where exposure to harsh chemical agents is routine. Their durable surface finishes maintain structural integrity even after years of sustained environmental stress.
Safety is a top priority in our design process. The MR690-D features thoughtfully engineered anti-slip textures that provide reliable traction for both pedestrian and vehicular traffic, reducing accident risks under wet or slippery conditions. Additionally, GRP's non-conductive nature makes it inherently safer in areas near substations, telecom infrastructure, and electrical conduits, eliminating the stray current hazards associated with metal manhole covers.
We understand that every project has unique requirements. Our Heavy-Duty GRP Manhole Covers are available in various shapes and sizes, with full customization options including engraved branding, load class optimization, color matching, and optional locking mechanisms for secure installation. This flexibility ensures that you get a solution perfectly tailored to your specific project needs.
Parameter | Specification |
|---|---|
Model | MR690-D |
Brand | Elite |
Load Class | D400 |
Material | Glass Reinforced Plastic (GRP) |
Application | Industrial traffic, high-traffic roads, airports, parking structures |
Customization Options | Engraved branding, color matching, locking mechanisms |
Key Advantages | Corrosion-resistant, non-conductive, lightweight, durable |
The Elite MR690-D D400 GRP Manhole Cover is suitable for a wide range of industrial and commercial applications, including:
High-traffic roads and highways
Industrial yards and manufacturing facilities
Airports and transportation hubs
Parking garages and commercial parking lots
Wastewater treatment plants
Coastal infrastructure projects
Electrical substations and telecom facilities
When you choose Elite for your access infrastructure needs, you're investing in a product that delivers superior performance and long-term value. Our GRP manhole covers offer a significantly lower total cost of ownership compared to traditional alternatives, thanks to their extended lifespan, minimal maintenance requirements, and reduced installation costs. Backed by our commitment to quality and innovation, we provide reliable solutions that meet the highest industry standards.
A D400 load class manhole cover is designed to withstand a maximum test load of 400 kN (approximately 40 tons). This makes it suitable for heavy traffic areas including main roads, highways, and industrial sites where large vehicles and heavy machinery are present.
GRP manhole covers typically last 2-3 times longer than cast iron covers. While cast iron covers are prone to corrosion, theft, and breakage, GRP covers are corrosion-resistant, non-magnetic, and highly durable, with a service life of 25-30 years or more with minimal maintenance.
Yes, GRP manhole covers are ideal for coastal areas. They are highly resistant to saltwater corrosion, which is a major issue for metal covers in coastal regions. This resistance ensures long-term performance and structural integrity even in harsh marine environments.
Absolutely. We offer full customization options including color matching to match your project's aesthetic requirements and engraved branding to promote your company or organization. We also provide optional locking mechanisms for added security.
