TypeClass of LoadingSize(mm)Weight(kg)Frame DepthClear OpeningOveral FrameT2066D400100600850*85058D-91D40080600105078 Name:Drainage Covers manhole cover,gully/trench grate and frame, Material:Ductile iron GGG50 Loading Weight:A15,B125,C250,D400,E600,F900 EN124 Specifications:all kinds of specs Main products:manhole cover gully grate,surface box,manhole steps,flange Customer’s drawing accepted Minimum order:according to customers requirements Delivery date:within 30days after order confirm Packing methods:Ply wooden case/pallet with plastic layer,or as per customer’s requirements. Usage:Carriageway of roads(including pedestrian street),hard shoulders and parking areas,for all types of road vehicles