Product Overview
This model combines a 600mm round access opening with an 850 × 850 mm square frame. The square frame provides a larger contact area with the surrounding concrete structure. The round cover design allows convenient access to underground services, while the square frame helps create a stable installation within concrete surrounds. The cover features a 180° hinged opening and anti-theft locking system, allowing access without completely removing the lid from the frame.
Product Drawing
Key Features
- Round cover with square frame structure – combines the accessibility of a round cover with the installation stability of a square frame
- 180° hinged cover – the cover remains attached to the frame when opened, reducing handling during inspection and maintenance
- D400 load rating – designed for installations exposed to regular vehicle traffic, including roads, parking areas and municipal infrastructure projects
- Corrosion resistant composite material – manufactured from fiberglass reinforced SMC composite that will not rust and requires minimal maintenance
- Anti-theft locking system – equipped with a built-in locking mechanism to help prevent unauthorized opening
- Custom logo available – surface markings and logos can be customized according to project requirements
Specifications & Dimensions
| Load Class | Clear Opening | Cover Size | Frame Size | Overall Height | Cover Thickness | Weight |
|---|---|---|---|---|---|---|
| D400 | 600mm | 690mm | 850x850mm | 100mm | 50mm | 56kg |
Technical Specifications:
- Material: SMC Composite
- Clear Opening: 600mm
- Standard: EN124
- Shape: Round Cover with Square Frame
- Cover Type: 180° Hinged Cover
- Locking System: Anti-Theft Lock
Applications
- Municipal drainage chambers
- Road drainage systems
- Utility inspection chambers
- Commercial parking areas
- Roadside service networks
- Underground cable and pipeline access points
FAQ
Why use a square frame with a round cover?
The square frame provides a larger contact area with the surrounding concrete, offering better installation stability. The round cover is easier to manufacture and provides consistent load distribution.
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.
