Clear Opening 450mm Cover & Frame
Ф510-60 Lockable Class A35&A50&B125&C250
Features
Manufactured to BS: EN124
∅450mm (17.7”) Clear opening
Lockable
Skid resistance
Unsealed
Manhole lid lifter :ID730
Color available black, grey, green, yellow and others
Clients customized available
Manufactured to BS: EN124
∅450mm (17.7”) Clear opening
Lockable
Skid resistance
Unsealed
Manhole lid lifter :ID730
Color available black, grey, green, yellow and others
Clients customized available
Quantity
CHRS™Composite Round Cover is used the newest fiberglass-manufacturing innovation sheet moulding compound (SMC), and it combines the best of the older Open-Mold Spray Up and Resin-Transfer Molding (RTM) methods. Compared with the traditional cast iron cover or ductile iron cover,CHRS™Composite Round Cover has many advantages, such as Watertight,Lightweight,Non-conductive,UV protected,Non-corrosive,Anti-slip,No scrap value and cost competitive etc.
Therefore,CHRS™Composite Round Cover has become the best alternative to traditional steel and iron covers.
Product Structure Diagram:
Specifications and Dimensions:
| Cover | Product Grade | Round Cover Specifications | Embedment Depth h | Round Cover Diameter d | Weight |
| A50 | Φ510×40 | 40mm | Φ507mm | 6kg | |
| B125 | Φ510×40 | 40mm | Φ507mm | 8.5kg | |
| C250 | Φ510×40 | 40mm | Φ507mm | 13kg |
| Frame | Frame Specifications | Frame Height H | Frame Outer Diameter D | Clear Opening CO | Weight |
| Φ610×60 | 60mm | Φ610mm | 450mm | 4Kg |