Product Overview
The FRP square manhole cover is designed for underground access points, utility chambers and inspection areas where a square cover structure is required. It provides a practical access solution for protecting underground facilities while allowing convenient inspection and maintenance.
Manufactured from BMC (Bulk Molding Compound), a fiberglass reinforced composite material, the cover offers good structural stability, corrosion resistance and long-term outdoor durability. The non-metallic FRP composite structure provides a lightweight and rust-free alternative to traditional metal access covers.
Technical Details
- Material: BMC (Bulk Molding Compound) Fiberglass Reinforced Composite
- Shape: Square
- Product Type: FRP Composite Access Cover
- Structure: Compression Molded Composite Cover
- Application: Utility Access and Inspection
Technical Specifications
| Frame Size (mm) | Cover Size (mm) | Weight (kg) | Color |
|---|---|---|---|
| 300 × 300 | 250 × 250 | 3.6 | As required |
| 400 × 400 | 300 × 300 | 5.9 | As required |
| 500 × 500 | 400 × 400 | 9.2 | As required |
| 600 × 600 | 500 × 500 | 17.3 | As required |
| 700 × 700 | 600 × 600 | 24.0 | As required |
| 800 × 800 | 700 × 700 | 32.5 | As required |
| 900 × 900 | 800 × 800 | 41.3 | As required |
Key Features
- Fiberglass Reinforced Composite Structure – Manufactured from fiberglass reinforced composite material, providing reliable durability for underground utility applications.
- Square Access Design – The square structure provides convenient access for underground chambers, inspection points and utility installations.
- Lightweight Composite Construction – The FRP composite structure reduces handling difficulty and improves installation efficiency compared with traditional metal covers.
- Corrosion and Weather Resistance – The material provides resistance to moisture, corrosion and outdoor environmental conditions, helping reduce maintenance requirements.
- Non-metallic and Rust-free Performance – Unlike traditional metal covers, the composite structure does not rust and provides long-term performance in demanding outdoor environments.
- Durable Compression Molded Structure – Produced through compression molding technology, providing a stable structure suitable for long-term underground applications.
Applications
- Utility Chambers
- Inspection Chambers
- Cable Access Chambers
- Telecommunication Infrastructure
- Electrical Utility Systems
- Underground Service Areas
- Municipal Engineering Projects
