450×450 SMC Composite Square Manhole Cover

Compact square SMC manhole cover combining high strength with electrical insulation. Anti-static, corrosion-resistant, and lightweight. Available in A15, B125, C250, and D400 for pedestrian areas, residential streets, and urban infrastructure.

Why Choose Us?

  • Reliable Supply Chain
  • Quick Response
  • Technical Support
  • Genuine Product Authorization

Product Overview

The 450×450 mm square SMC composite manhole cover combines high strength with excellent electrical insulation properties. Manufactured from fiberglass reinforced SMC composite material, its non-metallic construction is anti-static, corrosion resistant, and has no recycling value, providing a reliable alternative to traditional cast iron covers.

Product Drawing

450×450 SMC Composite Square Manhole Cover 5

Key Features

  • High strength SMC material – provides reliable load-bearing performance across multiple EN124 load classes
  • Anti-static non-metallic construction – reduces static accumulation and eliminates scrap value
  • Corrosion resistant – suitable for long-term outdoor use
  • Lightweight design – simplifies handling, transportation, and installation

Specifications & Dimensions

Load ClassClear OpeningCover SizeFrame SizeOverall HeightCover ThicknessWeight
A15450x450mm500x500mm590x590mm35mm25mm9kg
B125450x450mm500x500mm590x590mm35mm25mm15kg
C250450x450mm500x500mm620x620mm75mm50mm28kg
D400450x450mm500x500mm620x620mm75mm50mm35kg

Technical Specifications:

  • Material: SMC Composite
  • Clear Opening: 450 × 450 mm
  • Load Class: A15 / B125 / C250 / D400
  • Standard: EN124
  • Shape: Square
  • Locking System: Two Screw Locks

Applications

A15:

  • Parks
  • Green spaces
  • Pedestrian walkways

B125:

  • Residential sidewalks
  • Light pedestrian traffic areas

C250:

  • Kerbside installations
  • Residential streets
  • Light vehicle access areas

D400:

FAQ

What is the weight of 450x450mm A15 cover?

The A15 version weighs 9kg, making it easy to handle and install.

Can you provide OEM / ODM service?

Yes. OEM and ODM services are available. Custom logo, color, surface pattern, and dimensions can be produced according to project requirements.

What is your delivery time?

Normally, the production lead time is about 15–25 days depending on order quantity and product specifications.

What is the MOQ?

MOQ depends on the product size and specifications. Please contact us for detailed information.

What packaging method do you use?

The products are normally packed on export pallets for safer transportation and easier loading and unloading.

Do you provide warranty and after-sales service?

Yes. We provide one-year warranty service and technical support for our products. Please contact us for detailed after-sales information and project assistance.

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