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Application Sectors · C250–D400 Heavy Duty

Composite Covers Built for
Every Heavy-Duty Environment

Our SMC/FRP composite manhole covers are engineered for vehicular and heavy-load applications rated 25 tonnes and above — from fuel station forecourts and highways to utility networks, ports and industrial plants. Every sector has different demands: corrosion, chemical exposure, theft, electrical safety, traffic loading. Composite material solves what cast iron cannot.

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Where Our Covers Are Used
Six Core Application Sectors

We supply project buyers, EPC contractors and distributors across six heavy-duty sectors. Select a sector to see the recommended products.

D400 D400 composite manhole cover for fuel and gas stations
Fuel & Gas Stations

Anti-static, flame-retardant and fuel-resistant covers for forecourts, tanker areas and tank sumps. PetroChina & Sinopec approved.

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D400 D400 composite manhole cover for highways and municipal roads
Highways & Municipal Roads

Anti-theft, noise-free and lightweight covers for carriageways and urban streets. EN124, AS3996 & AASHTO certified.

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C250–D400 Non-conductive composite cover for telecom and power utility chambers
Telecom & Power Utilities

Non-conductive, anti-theft covers for cable chambers, substations and communication pits — safe around live power and signal lines.

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D400 D400 composite drainage grating for water channels and gullies
Drainage & Water Channels

Composite gratings and channel covers for surface drainage, gullies and stormwater systems. Corrosion-free, anti-theft and high flow capacity under traffic load.

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D400 · E600* Heavy-duty composite cover for ports, docks and logistics yards
Ports & Logistics

Salt-corrosion resistant covers that withstand forklift and heavy-vehicle loading in container yards and freight terminals. E600 on custom order.

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D400 · E600* Chemical-resistant composite cover for industrial and chemical plants
Industrial & Chemical Plants

Chemically inert covers resistant to acids, alkalis and solvents for factory yards, chemical works and process areas. Custom sizes available.

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Proven in the Field

M&C composite covers have been supplied to PetroChina and Shell fuel stations, and to road, drainage and infrastructure projects across the UK, Malaysia, Singapore and China.

Load Class Reference
Matching Load Class to Your Site

All M&C covers are rated 25 tonnes and above. Use this EN124 guide to match the right class to your application. Not sure which you need? Send us your site details and we will advise.

Load ClassTest LoadTypical Application Areas
C25025 tonnesKerbside & gutter areas, parking zones, forecourt edges with light vehicle traffic
D40040 tonnesCarriageways, highways, fuel stations, industrial yards — our main product range
E60060 tonnesDocks, ports, freight yards and heavy industrial areas — available on custom order

* E600 (60-tonne) covers are produced to order through our custom engineering service. Standard stocked range is C250 and D400. Contact us to confirm availability and lead time for your load requirement.

Get in Touch
Have a Project in
One of These Sectors?

Tell us your application, load class, cover size, quantity and delivery country. We respond within 24 hours with pricing, lead time and the relevant certifications.

✉️  info@smcmanhole.com
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