Product Overview
The 550mm clear opening round manhole cover is manufactured from fiberglass reinforced SMC composite material. The cover is secured to the frame with two screw fixing points, providing a simple and reliable locking method. Compared with traditional cast iron covers, SMC composite material offers lower weight, corrosion resistance and no scrap value.
Product Drawing
Key Features
- Two screw locking system – two fixing points secure the cover to the frame while allowing access when required
- Available from A15 to D400 – multiple load classes are available to meet different installation requirements
- Corrosion resistant material – SMC composite will not rust and performs reliably in outdoor environments
- Lightweight construction – lower weight compared with traditional cast iron covers helps simplify transportation and installation
- Slip-resistant surface – the textured surface improves grip under wet conditions
- Custom logo available – logos and identification markings can be molded directly into the cover surface
Specifications & Dimensions
| Load Class | Clear Opening | Cover Size | Frame Size | Overall Height | Cover Thickness | Weight |
|---|---|---|---|---|---|---|
| A15 | 550mm | 600mm | 725mm | 75mm | 50mm | 33kg |
| B125 | 550mm | 600mm | 725mm | 75mm | 50mm | 31kg |
| C250 | 550mm | 600mm | 700mm | 35mm | 25mm | 17kg |
| D400 | 550mm | 600mm | 700mm | 35mm | 25mm | 9kg |
Technical Specifications:
- Material: SMC Composite
- Clear Opening: 550mm
- Standard: EN124
- Shape: Round
- Locking System: Two Screw Locks
Applications
A15:
- Parks
- Green spaces
- Pedestrian areas
B125:
- Sidewalks
- Residential parking areas
- Walkways
C250:
- Kerbside installations
- Residential streets
- Light traffic roads
D400:
- Urban roads
- Commercial parking areas
- Vehicle traffic zones
FAQ
What is the weight of the 550mm D400 cover?
The D400 version weighs only 9kg, making it very 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.
