Clear Opening 450x450mm Cover & Frame
494×494-60 Lockable /Sealed Class B125 & C250
Features
Manufactured to BS: EN124
450x450mm (18”) Clear opening
Lockable with screws
Sealed
Manhole lid lifter: ID723
Skid resistance
Color available black, grey ,green,yellow and others
Clients customized available
Manufactured to BS: EN124
450x450mm (18”) Clear opening
Lockable with screws
Sealed
Manhole lid lifter: ID723
Skid resistance
Color available black, grey ,green,yellow and others
Clients customized available
Quantity
CHRS™ Composite Square 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 Square 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 Square Cover has become the best alternative to traditional steel and iron covers.
Therefore,CHRS™ Composite Square Cover has become the best alternative to traditional steel and iron covers.
Product Structure Diagram:
Specifications and Dimensions:
| Cover | Product Grade | Square Cover Specifications | Embedment Depth h | Square Cover Edge Dimensions a×b | Weight |
| B125 | 494×494×42 | 35mm | 494×494 | 9kg | |
| C250 | 494×494×46 | 35mm | 494×494 | 14.5kg |
| Frame | Frame Specifications | Frame Height H | Frame Edge Dimensions A×B | Clear Opening CO | Weight |
| 600×600×60 | 60mm | 600×600 | 450mm | 5Kg |