- Type: Clay Dry Sand
- Sand Core Type: Sodium Silicate Sand Core
- Machining: M/C Machining
- Surface Treatment: Electroplating
- Standard: BS
- Specification: 400x600
- Casting Method: Directional Crystallization
- Application: Drainage System
- Material: Iron
- Surface Roughness: Ra0.2
- Certification: ISO 9001:2008
- Origin: China
Wide range of cast iron / ductile iron / grey iron manhole covers,gully grates,tree gratings and drainage channels to meet your needs, suitable for most environment applications.
A15- For use in pedestrian and cycling areas only.
B125- For use in car park & pedestrian areas, with no heavy vehicular traffic.
C250- For use in car park, forecourts, industrial sites and area with slow moving traffic.
D400- For use in highway environment e.g. hard shoulder, carriageway, motorway. High loading categories.
E600- For use in locations of high wheel loads e.g. docks, heavy loading bay.
F900- For use in areas of extremely high loads e.g. airports and dockyards
F900 Gully Grating (Airports & Docks)
Light Duty Ductile Iron Manufactured to BS:EN124 Class F900
Suitable for the place according to the customer requirements.
Material:Ductile iron complying with grad EN-GJS 500 or grey iron.
Finishing: Coating with be black bituminous paint.
Ultra Extreme Wheel Loads: Airport Runways, Military, Docks & Ports
Manufactured to BS:EN124 Class F900
90 Tonne Safe Test Load
Highways agency , HA104/09 compliant
Double triangular three point suspension non-rock design
Choice of BSI Kitemark or other EN124 third party accreditation
150mm deep frame
3 Flange frame kerbside design
4 Flange frame stand alone design
Gratings can be locked down for added security
Other non-standard sizes available
Products Code Clear Opening Over Frame Frame Depth Loading Grade
CZ-1101F Dia.700 Dia.900 100 F900-90TONS
Changzhan Casting offers extensive cast iron manhole covers with frames, Channel gratings, Gully Gratings, Step Irons, Tree Grates etc. Manufactured from Grey Iron (GG20, GG25) and Ductile Iron (GG50) material Grades and as per BS EN 124 and covers all application sectors.
Areas of Application: Pedestrians, Footways, Carparks, Kerbside Channels of roads, Carriage ways, Docks, Airports, and other environments that undergo excessive load conditions. Various sizes available as per request.All extra heavy duty construction castings are manufactured with ductile iron conforming to BS EN 124. Many of the airport castings can be made-to-order with custom inscriptions, in most languages, to meet your project specifications.
Manhole covers available in Galvanized Finish & Plastic coated Finish. Manufactured as per BS EN 124.
If you have any questions or custom-designed manhole covers,then please feel free to contact our office.