Cast Iron Manhole Covers

Manhole covers are generally cast, and with different shapes, like round, square or as clients demand.Normal material is cast iron or ductile iron. The effect is prevent people or objects from falling on road, garden,plaza or other public places.Another effect is protect the safety of equipments or pipelines and easy to inspect the equipments. Product Information:  Name: Manhole cover & Grating Material: Ductile iron GGG507, Gray Iron Standard: EN12414331563 Class: A15,B125,C250,D400,E600,F900 Shape: Round, Square, Rectangle, Triangle and other shape as demand Size: From 300(300X300) to(1000) 1000*1000 or custom size Paint: Bituminous black Advantage: Longevity corrosion resistance, Excellent anti-pressure Molding: Depends on the design Process: Drawing-mould making-raw casting-sand blasting-rough machining-surface treatment-product inspection Application:motor vehicle Road, municipal administration, living quarters communications, electricity and water supply works