D400 Ductile Iron Casting Rectangular Manhole Cover Frame

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Features:

1/, 30X30, 40X40, 50X50, 60X60 ductile iron manhole cover and gully grating.
2/, ductile iron manhole cover EN124.
3/, heavy duty manhole cover.

Specifications:

1/, According to EN124: 1994 with good unit weight, testing before shipping for the smooth surface and loading strictly!

2/, Ductile iron manhole cover and gully grating, the inspection certificate to be provided according to BS EN124: 1994, the material grade GGG500/7, coating black bitumen, testing before shipping for the smooth surface and loading.
Ductile iron manhole covers and gully gratings are divided into the following classes:

3/, Undertaking pressure: A15, B125, C250, D400, E600 and F900.

A15 - which can only be used by pedestrians and pedal cyclists.

B125 - footways, pedestrian areas and comparable areas, car parks or car parking decks

C250 - for gully grating installed in the area of kerbside channels of roads which when measured from the kerb edge, extend a maximum of 0.5m into the carriageway and a maximum of 0.2m into the footway.

D400 - carriageways of roads (including pedestrian streets), hard shoulders and parking areas, for all types of road vehicles.

E600 - areas imposing high wheel loads, e. G. Docks. Aircraft pavements.

F900 - areas imposing particularly high wheel loads. E. G. Aircraft pavements.