Specifications

D400 Hinged Manhole Covers With Frame 600*600
1.Material: ductile iron GGG50
2.Standard:BS EN124
3.Class: D400

D400 Hinged Manhole Covers With Frame 600*600                                                    

                                         

                                  

 

 

 

 

Material	ductile iron /cast grey iron
Standard	BS  EN124
Class	A15/B125/C250/D400/E600/F900
Clear opening size range	30-800mm
Coating	black bitument painting
Features	hinged and lockable

 

  

 

                    

 

 Our Manhole covers are packed in wooden cases, wooden pallets or as customer's requirement.

                                       

                        

 

 

About Allwin Team                                                                                                       

 

Being responsible and professional, we are dedicated to supply our customers with good quality manhole covers and gratings at competitive prices. We continually make improvements on product costs & quality to increase our customers’ competitiveness.

 

What are the Classes of ductile iron manhole covers? And their application?

A15     Class A15 manhole covers and gratings capable of withstanding a1.5 tones test load. Suitable for pedestrians foot traffic and cyclists.

 

B125   Class B125 manhole covers and gratings capable of withstanding a 12.5 tones test load. suitable for car parks and slow moving light traffic.

 

C250   Class C250 manhole covers and gratings capable of withstanding a 25 tones test load. Suitable for car parks and slow moving heavy traffic.

 

D400    Class D400 manhole covers and gratings capable of withstanding a 40 tones test load. Suitable for carriageways, main roads and fast moving heavy traffic.

 

E600     Class E600 manhole covers and gratings capable of withstanding a 60 tones test load. Suitable for docks, ports, aircraft pavements and motorways.

 

F900     Class F900 manhole covers and gratings capable of withstanding a 90 tones test load. Suitable for particularly heavy wheel loads areas, such as aircraft pavements.

 

 

 

If you are interested in cooperating with us, please contact us by e-mail or trade manager now. We will give you a prompt reply to your enquiry.